User manual DATALogic2 technical specifications for precision conditioner unit with integrated humidifier

Transcription

1 DATALogic2 DAT AIR CONTROLLER Manual A02 Issue Replaces User manual DATALogic2 technical specifications for precision conditioner unit with integrated humidifier 1370 Program code: FLAIRMCDZC multilingual application for LCD

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3 CONTENTS CONTENTS... 2 GENERAL... 5 CONTROLLER FUNCTIONS... 5 Main functions... 5 Controlled devices... 5 Options... 5 SYSTEM HARDWARE... 6 MEDIUM PCO2 BASE BOARD (STANDARD)... 6 LARGE PCO2 BASE BOARD AS ALARM PANEL (OPTIONAL)... 6 CONNECTING OTHER BOARDS... 7 Power supply... 7 Digital inputs... 7 Analogue inputs... 8 Digital outputs... 8 Analogue outputs... 8 INPUTS AND OUTPUTS... 9 Power supply... 9 Analogue inputs... 9 Digital inputs... 9 Digital outputs... 9 Analogue outputs Additional digital outputs (for Large base boards only) OEM HUMIDIFIER CONTROL BOARD ACCESSORIES RS485 SERIAL BOARD FOR SUPERVISOR OR TELE-MAINTENANCE (OPTIONAL) RS232 SERIAL BOARD FOR MODEM MANAGEMENT (OPTIONAL) PROGRAMMING KEY (OPTIONAL) PRINTER SERIAL BOARD FOR LCD 4X20 DISPLAY (OPTIONAL) USER TERMINAL DATALOGIC2 4X20 LCD TERMINAL DISPLAY KEYS DATALOGIC2-GRAFIC 240X168 LCD TERMINAL (OPTIONAL) PLAN LOCAL NETWORK REMOTE CONTROL TERMINAL Addressing of network components EXAMPLES OF NETWORK CONNECTIONS Example 1. 4-unit rotation (including one Stand-by) Example 2. 4-unit rotation (including one in Stand-by) with block of one unit Example 3. 5-unit rotation (2 in Stand-by) in case of one blocked unit Example 4. 4-unit operation in Master/Slave mode with a Slave unit block...19 Example 5. 4-unit operation in Master/Slave mode with Master block Other possible network connections PCO2 BOARD HARDWARE ADDRESSES TERMINAL HARDWARE AND SOFTWARE ADDRESSES NETWORK OPERATION TEST ADDRESSING PROCEDURE Network error messages Network status (NetSTAT) display TROUBLESHOOTING PROGRAMMING THE BASE BOARD OPERATING MODES

4 Programming by hardware key Programming by personal computer PROGRAM OPERATION GENERAL MAIN CONTROL FUNCTIONS Ventilation Cooling Heating Humidification Dehumidification ACCESSORY FUNCTIONS Dehumidification in temperature or humidity mode Economy function Operation in local network Multilanguage support Power supply voltage control Restart after power failure Return damper control High or low pressure switch control Humidifier operation in heating mode Alarm history control Back-up battery control (not available) Manual function control Alarm panel management ECONOMY CONTROL FUNCTIONS ENERGY SAVING (ES) SET-POINT COMPENSATION OPERATION IN SERIES RUNNING/ STAND-BY MASTER/SLAVE ADJUSTMENT DIAGRAMS TEMPERATURE ADJUSTMENT General definitions Unit with 1 compressor Unit with 2 compressors Unit with 1 heater Unit with 2 heaters HUMIDITY ADJUSTMENT General definitions ON/OFF humidity control INTEGRATED HUMIDIFIER Main components of integrated humidifier PCO2 base board wiring diagram for connection with PCOUMID0000 humidifier control card Description of humidifier parameters TAM model C0-C1 parameter tables OEM electric specifications Parameter C HUMIDIFICATION PLANNING Selecting humidifier type Humidity adjustment and steam production Monitoring of steam production and humidifier parameters Humidifier alarm management PROGRAM PARAMETER SETTINGS ALARM MANAGEMENT ACCESS TO PARAMETERS GENERAL

5 MESSAGE PAGES START MENU PAGES Menu page sequence MANUFACTURER PARAMETERS Manufacturer page sequence USER PARAMETERS User page sequence MAINTENANCE PARAMETERS Maintenance page sequence PRINTER Printer pages I/O I/O page sequence SET PARAMETERS Set page sequence... 59?INFO... 59?Info page sequence CLOCK Clock pages ALARMS Alarm page sequence DATABASE OF SUPERVISOR VARIABLES DIGITAL VARIABLES WHOLE VARIABLES ANALOGUE VARIABLES

6 GENERAL Controller functions The DATALOGIC2 electronic microprocessor with EPAIRICZUB program is designed to control precision conditioner units (both direct expansion and chilled water types). The program controls the following components: 1 or 2 compressors or floating 3-point cold water valve; 1 or 2 heaters or floating 3-point hot water valve; cold/hot water valve with 0-10Vdc modulating servocontrol; integrated humidifier with submerged electrodes, or ON/OFF control of external humidifier. Other functions include the control of: main fan with 0-10Vdc fixed signal and speed reduction in the dehumidification function (if present); return air dampers with 0-10Vdc fixed signal (if present). The hardware allows the connection in series of up to 32 units in MASTER/SLAVE or RUNNING/STAND-BY configuration by means of the local plan network. Each unit can be connected to an RS485 serial line for supervisor/tele-maintenance systems. Main functions Main controller system functions: Temperature and relative humidity control of intake air; Energy saving by the following functions: Energy-Saving; Compensation function; Dual Cooling (not available); AIR or WATER free-cooling function (not available); Dehumidification control; Delivery temperature control; Complete alarm control with alarm history Control and rotation of multiple units; Daily/weekly timer operation; Connection to serial lines for supervisor or tele-maintenance systems. Controlled devices The following devices are controlled: 1/2 compressors or floating 3-point cold water valve; 1/2 heaters or floating hot water valve; modulating 0-10Vdc cold water valve; modulating 0-10Vdc hot water valve; main fan ON/OFF control or by 0-10Vdc fixed signal (also during dehumidification); return air dampers with 0-10Vdc fixed signal; Internal dehumidifier with proportioning output or external ON/OFF control; Dehumidifier function with ON/OFF output; Alarm Options RS485 Serial card. Programming key Printer board 5

7 System hardware The standard hardware used by the system features the following components: Medium pco2 I/O base board; OEM humidifier board; Local DATALOGIC2 LCD 4X20 terminal (lines x columns) for panel mounting. In certain special applications, the base board and terminal can be replaced with the following: Large pco2 I/O base board; Local DATALOGIC2-Grafig LCD graphics back-lit terminal 240X128 pixel for panel mounting. Medium pco2 base board (standard) The medium board comprises 14 opto-insulated digital inputs (12 x 24Vac/dc and 2 x 24Vac/dc or 230Vac), 8 analogue inputs (6 universal and 2 passive), 14 digital inputs, 4 analogue outputs and 13 digital outputs. The electronic board is sealed in a plastic container, and features extractable terminals with coupling on DIN guide. The program and parameters are stored in a FLASH-MEMORY to prevent accidental cancellation in the event of power failure (without the aid of back-up battery). The program can be uploaded by PC or by means of the programming key. The figure shows: 1) Power terminals 24V 2) Green power on LED, red alarm status LED 3) 250Vac 2A slow-blow fuse (T2 A) 4) Universal analogue inputs: NTC, 0-1V, 0-10V, 0-20mA, 4-20mA 5) Passive analogue inputs NTC, PT1000, On/Off 6) Analogue outputs 0-10V 7) Digital inputs 24VAC/VDC 8) Digital inputs 230VAC or 24VAC/VDC 9) Synoptic terminal connector 10) Connector for pco 2 series terminals and for downloading application program 11) Relay digital outputs 12) Expansion board connector 13) Addressing dip switch and LED for local plan network 14) Opening for serial board RS485 (supervision) or RS232 (for modem interface) 15) Opening for memory expansion board Large pco2 base board as alarm panel (optional) The large board is used in the case that external alarm and status signals are required. Digital outputs and can be used for different applications, depending on the program used (see Manufacturer s parameters). Bear in mind that the first two outputs are in exchange with the separate common, while the last three share the same common. 6

8 Connecting other boards As shown in the figure, there are terminals for the connection of digital and analogue inputs and outputs, as well as for the power supply and connection to other system components by means of the local network. Power supply The controller power supply is Vdc and 24Vac ± 15% 50/60 Hz. The maximum absorbed power is P max = 20 W. If the power supply is AC, use a safety transformer of at least 50 VA; if the transformer secondary circuit is earthed, check that the earth conductor is connected to the G0 terminal. In the event that the power supply is DC, make sure that the positive pole is connected to the G terminal and that the negative pole is connected to the G0 terminal. Digital inputs Opto-insulated digital inputs allow the controller to receive information by means of voltage-free contacts. All digital inputs can be powered by 24V DC or AC; make sure the general power supply is the same as the supply to the inputs. Some inputs can be powered by 24V or 230V. These inputs have a common terminal (one for 24V power, one for 230V); for this reason, pay special attention when making connections to prevent 230V wires being fitted to the 24V terminal. Digital input 24V connections Digital input 230V connections IMPORTANT: when connecting a smoke/fire alarm to input ID14 (24V), bear in mind that the presence of voltage on the contact tips is considered a standard operating condition, while the absence of voltage is an alarm situation. In this way input fault or disconnection can be immediately detected. For minimum wiring sections in the case of remote control arrangements, refer to the table below: Up to 50m Up to 100m 0.25mm 2 0.5mm 2 Refer also to the wiring diagram enclosed with the unit for terminal connections. 7

9 Analogue inputs The analogue inputs allow the controller to read a signal varying between two limit values. The controller features passive analogue inputs that can be connected with NTC, PT100, 0-1V, 0-10V, 0-20mA, 4-20mA and ON/OFF probes. The probe type is automatically selected by the program stored in the flash memory. In the present case, the analogue inputs are summarised below: terminal input type description B1- +Vdc (not available) 0-10V +Vdc indicates power supply B2- GND NTC GND indicates reference B3- GND NTC GND indicates reference B4- BC4 NTC BC4 indicates connection of second row of NTC probe B5- BC5 NTC BC5 indicates connection of second row of NTC probe B6- GND 0-1Vdc GND indicates reference B7- GND 0-1Vdc GND indicates reference B8- GND 0-1Vdc GND indicates reference Digital outputs The digital outputs are voltage-free relay contacts that are normally open or switching, controlled by the microprocessor. The output terminals are arranged in groups, each of which has a common pole. For this reason, the entire group must power loads with the same voltage, while different groups can power loads with differing voltages. The contacts are protected by 250VAC varistors; common terminals can be passed by 8A resistive current or 2A inductive current (cos ϕ 0.4). The figure shows two examples of digital output connections. A B In the case of connection A, the terminal current should not exceed the capacity of a single contact. Analogue outputs The 4 available 0-10V analogue outputs are opto-insulated and are externally powered by 24Vac/dc. The voltage 0V of the power supply is also the reference voltage of outputs. terminals output type description VG- VG Vac/dc Power supply to analogue outputs Y1 0-10V analogue output 1 Y2 0-10V analogue output 2 Y3 0-10V analogue output 3 Y4 0-10V analogue output 4 8

10 Inputs and outputs Refer to the list below for the function of inputs and outputs. Note: the Reference column specifies the contacts on the base board. Power supply CONNECTOR REFERENCE DESCRIPTION J1 G Power supply +24Vdc or 24Vac J1 G0 Power supply reference Analogue inputs CONNECTOR REFERENCE DESCRIPTION J2 B1- +Vdc Back-up battery level (0-10V) J2 B2-GND Chilled water outlet temperature probe J2 B3-GND Chilled water inlet / external air temperature probe J3 B4-BC4 Intake temperature probe J3 B5-BC5 Delivery temperature probe J5 B6-GND Room humidity probe J6 B7-GND Inlet water conductivity probe for integrated humidifier J6 B8-GND Current measurement probe for integrated humidifier Digital inputs CONNECTOR REFERENCE DESCRIPTION J5 ID1 Compressor 1 general alarm (high pressure and/or comp. overload ) HP1 J5 ID2 Compressor 2 general alarm (high pressure and/or comp. overload) HP2 J5 ID3 Compressor 1 low pressure LP1 J5 ID4 Compressor 2 low pressure LP2 J5 ID5 Filter clogged (signal) J5 ID6 Fan overload J5 ID7 Air flow switch J5 ID8 ON/OFF remote control J5 IDCM1 J5 inputs common J7 ID9 Heater 1 overload J7 ID10 Heater 2 overload J7 ID11 Floor flooding alarm J7 ID12 Chilled water flow switch J7 IDCM9 J7 inputs common J8 ID13H (230V) J8 ID13 (24V) Water level in humidifier (24V) J8 IDC13/14 J8 inputs common J8 ID14 (24V) Smoke/fire alarm J8 ID14H (230V) Digital outputs CONNECTOR REFERENCE DESCRIPTION J12 NO1-C1 Main fan (or unit active indicator) J12 NO2-C1 Dehumidifier (or high/low temperature alarm) J12 NO3-C1 Economy valve (or high/low humidity alarm) J13 NO4-C2 Humidifier ON/OFF or power contactor for integrated humidifier J13 NO5-C2 Water load valve for integrated humidifier J13 NO6-C2 Water drain valve for integrated humidifier J14 NO7-C7 Unit ON/OFF J15 NO8-C8-NO8 Cumulative general alarm J16 NO9-C9 Flooding alarm J16 NO10-C9 Compressor 1 / Opening 3-point cold water valve J16 NO11-C9 Compressor 2 / Closing 3-point cold water valve J17 NO12-C12-NC12 Heater 1 / Opening 3-point hot water valve J18 NO13-C13-NC13 Heater 2 / Closing 3-point hot water valve 9

11 Analogue outputs CONNECTOR REFERENCE DESCRIPTION J4 Y1-VG0 Cold water ramp 0-10V modulating valve J4 Y2-VG0 Hot water ramp 0-10V modulating valve J4 Y3-VG0 Damper ramp 0-10V J4 Y4-VG0 Fan control ramp 0-10V Additional digital outputs (for Large base boards only) CONNECTOR REFERENCE DESCRIPTION J21 NO14-C14-NC14 Programmable J21 NO15-C15-NC15 Programmable J22 NO16-C16 Programmable J22 NO17-C16 Programmable J22 NO18-C16 Programmable OEM humidifier control board This board is used to control main parameters (level and cylinder conductivity, TAM current absorption sensor) of CAREL humidifiers with submerged electrodes, directly by the pco2 electronic controller. The values detected by the sensors are converted into signals read by the inputs on the electronic board. To ensure correct board operation in the event of replacement, observe the unit wiring diagram. T1 T2 C1 C2 L1 L2 B8 G0 B7 G G0 O1 O2 Where: T1-T2 C1-C2 L1-L2 B7-G0-B8 G-G0 O1-O2 TAM current absorption sensor OEM cylinder water conductivity OEM cylinder water level Analogue inputs (B7=current and B8=conductivity) to PCO2 24V power supply Voltage input to PCO2 10

12 Accessories RS485 serial board for supervisor or tele-maintenance (optional) The serial board is used for opto-insulated interfacing to a RS485 data transmission network. To connect, position the board in the relative connector (14). When the RS485 serial board is fitted, a series of Carel communication protocols with a maximum baud rate of baud (configured by software) are available. RS232 serial board for modem management (optional) (PCO200MDM0) This optional board is connected by means of the corresponding connector (14). The RS232 serial board enables interface with a standard HAYES type modem. Controllable hardware signals comprise: On output, the request to send (RTS) in parallel with data terminal ready (DTR); On input, carrier direct (DC). Programming key (optional) (PCO200KEY0) The programming key has two functions: it can upload or download software (BIOS + application) on the pco2, or copy and transfer the software from one pco2 to another. The microswitch on the board can be set to either of two positions: key for uploading (pco2 programming by key) pco2 for downloading (copying on pco2 by key) Always shut off the power supply before moving the key and the microswitch. The two positions of the microswitch correspond to: Uploading downloading (from key to pco2) (from pco2 to key) Shut off the power supply to the board and remove the expansion memory cover by means of a screwdriver Set the key switch to key set the key switch to pco2 Fit the key in the expansion memory connector. The pco2 must be set to 0, i.e. all microswitches set to OFF. Press the LCD terminal up and down keys simultaneously to set to 0, i.e. all microswitches set to OFF, and then switch on the pco2. Ensure that the red LED on the key illuminates Ensure that the green LED on the key illuminates Wait until the LCD displays the request for the cover, then release the keys and press enter to confirm; the data transfer operation takes approx. 10s Switch off the pco2, remove the key, refit the cover and turn on the pco2 again Disconnect the LCD terminal and restore the address of the pco2 before the above operation. The program has been uploaded by the key to the pco The program has been uploaded by the pco to the board key IMPORTANT: be careful of electrical contacts when using the key. Printer serial board for LCD 4x20 display (optional) (PCOT00SCB0) To fit this type of board, replace the terminal with one prearranged with a 9-pole male D connector, to which the printer is connected by serial cable for 9-pole printer (terminal) 25 pole (printer). Characteristics and settings of the printer serial port Printer with RS232 serial interface; Baud rate 1200; stop bit 1 or 2; data bit 8; handshake hardware protocol. For connections and cable type, refer to the DATALOGIC2-Grafic user manual. 11

13 User terminal The user terminal is used solely for programming machine parameters (i.e. the machine can operate without the terminal). DATALOGIC2 4x20 LCD terminal The 4x20 LCD model is equipped with a potentiometer for contrast adjustment. Use a screwdriver to lever off the rear cover of the board; the potentiometer is located in the top right-hand corner. The user interface (or terminal), directly controlled by the microprocessor, is prearranged for panel installation. The LCD display features 4 lines and 20 columns. The terminal can also be used to: configure the network; factory program specific unit controllers, operations protected by security passwords; modify main run-time operating parameters; display alarms detected and to indicate their presence by a buzzer; display all dimensions measured. Display keys Besides the LCD display, the interface also features the following keys with relative functions: MENU key. Press from any page to return to the first menu or main page. MAINTENANCE key. Press to access the maintenance and assistance section. Access by assistance password only. PRINT key. Press to access printer configuration (only if printer board fitted). 12

14 I/O key Press to access the status of digital inputs and outputs and the values read by analogue inputs and outputs. CLOCK key. Press to access the clock section. Access by clock password only. SET key Press to access operating settings section. PROG key Press to access the user section. Access by user password only.?info key Press to access the unit information section. MENU+PROG keys. Press both keys at the same time to access the manufacturer section. Access by manufacturer password only. ON/OFF key Press to set the unit on or off. ALARM key Press the key once to silence the alarm buzzer, twice to display the alarm message, three times to eliminate the alarm. If there are no alarms, the message No alarm will be displayed when this key is pressed. In the event of alarm, press the up and down arrow keys to scroll the sequence of the alarm pages. 13

15 UP / DOWN arrow keys. Press to scroll pages or to change settings when in a modifiable field. ENTER key Press to access fields with modifiable parameters, then to confirm modifications. DATALOGIC2-Grafic 240x168 LCD terminal (optional) For information regarding this type of terminal and its use, refer to the E08 User manual for the DATALOGIC2-Grafic terminal. 14

16 plan local network The plan local network allows components to intercommunicate. The system components vary in complexity, ranging from a basic system comprising an I/O and a terminal for single/twin compressor unit, to a complex system comprising a series of intercommunicating units (with or without relative terminal), even through a single terminal shared by the entire system. Each component is identified by its address by means of dip-switches or microswitches (pco 2 base board and terminal). The plan connections between the various boards can be made with bipolar braided cable with a minimum section of 0.5 mm 2. Make the connection by placing terminals RX/TX+ in parallel on one board with terminals RX/TX+ on the other (same applies for RX/TX- and GND terminals). These references are marked on the terminal block: 300(RX/TX+) 301(RX/TX-) 302(GND). The figure shows the wiring diagram for connection of multiple boards on the plan network, powered by different transformers (with G0 not connected to earth). This application is used for connections of several boards belonging to electrical panels of different units. The figure shows the wiring diagram for connection of multiple boards on the plan network, powered by different transformers with a single earth connection (with G0 earthed on the same potential??). This application is used for connections of several boards belonging to electrical panels of different units. On this type of application, the earth connection must be made on the same earthing line Remote control terminal Up to a distance of 50 m, the terminal can be connected by standard 6-way telephone line. Fit two ferrites on the line: one near the board, the other near the terminal. In both cases, the line should make one turn around the ferrite. For further information, contact after-sales service. 15

17 Up to a distance of 200 m, use AWG24 cable with 3 twisted pairs + shield with a minimum section of 0.5mm 2 and T switches as shown in the diagram. For further information regarding the fitting of the shunter, contact the after-sales service. The connection of the line wires (A, B) to the T switch is given below. AWG24 line term. function connection 0 earth shield 1 +VRL (c. 30Vdc) first twisted pair A 2 GND second twisted pair A 3 RX/TX- third twisted pair A 4 RX/TX+ third twisted pair B 5 GND second twisted pair B 6 +VRL (c. 30Vdc) first twisted pair B Addressing of network component Each live network component is identified by a serial address. Live components include the pco2 boards, the LCD and graphic interface terminals. The address is assigned by means of the microswitches on each component with binary numbering. Regardless of the number of microswitches present, only the first six are used for the address. Microswitches on pco2 board Microswitches on terminal The address of each component is set during development of the program; for this reason, make sure that the correct address is assigned when constructing the network. The network will not operate if the same address is assigned to more than one unit. Given that terminals and base boards use the same type of address, different ones must be assigned. 16

18 Position the microswitches as shown in the table below. Component SW1 SW2 SW3 SW4 SW5 SW6 address 1 ON OFF OFF OFF OFF OFF 2 OFF ON OFF OFF OFF OFF 3 ON ON OFF OFF OFF OFF 4 OFF OFF ON OFF OFF OFF 5 ON OFF ON OFF OFF OFF 6 OFF ON ON OFF OFF OFF 7 ON ON ON OFF OFF OFF 8 OFF OFF OFF ON OFF OFF 9 ON OFF OFF ON OFF OFF 10 OFF ON OFF ON OFF OFF 11 ON ON OFF ON OFF OFF 12 OFF OFF ON ON OFF OFF 13 ON OFF ON ON OFF OFF 14 OFF ON ON ON OFF OFF 15 ON ON ON ON OFF OFF 16 OFF OFF OFF OFF ON OFF 17 ON OFF OFF OFF ON OFF 18 OFF ON OFF OFF ON OFF 19 ON ON OFF OFF ON OFF 20 OFF OFF ON OFF ON OFF 21 ON OFF ON OFF ON OFF 22 OFF ON ON OFF ON OFF 23 ON ON ON OFF ON OFF 24 OFF OFF OFF ON ON OFF 25 ON OFF OFF ON ON OFF 26 OFF ON OFF ON ON OFF 27 ON ON OFF ON ON OFF 28 OFF OFF ON ON ON OFF 29 ON OFF ON ON ON OFF 30 OFF ON ON ON ON OFF 31 ON ON ON ON ON OFF 32 OFF OFF OFF OFF OFF ON 17

19 Examples of network connections This section illustrates a number of simplified examples of unit connections on a local network, bearing in mind that the units Stand-by also participate in rotation. Example 1. 4-unit rotation (including one Stand-by) - Fig. A Units take part in rotation while unit 4 remains in Stand-by. - Fig. B &C Timed sequential rotation of units. Example 2. 4-unit rotation (including one in Stand-by) with block of one unit. - Fig. A Units take part in rotation while unit 4 remains in Stand-by. - Fig. B If unit 1 blocks, it is replaced by unit 4, to guarantee the same number of units in rotation constantly. Therefore in this case units are in running mode and no unit is in Stand-by. - Fig. C Number 1 returns to the rotation cycle. Therefore units are in running mode and number 3 is in Stand-by. Special cases Until the blocked unit returns to the rotation cycle, the remaining units remain stationary. Example 3. 5-unit rotation (2 in Stand-by) in case of one blocked unit. - Fig. A Units take part in rotation, while units 4-5 remain in Stand-By. - Fig. B Unit 1 blocks in alarm status and is replaced by number 4, to guarantee the same number of units in rotation constantly. Therefore in this case units are in running mode and number 5 is in Stand-by. - Fig. C following the rotation time, unit 2 stops in Stand-by and is replaced in rotation by unit 5. Therefore units are in running mode and number 2 remains in Stand-by. - Fig. D Number 1 returns to the rotation cycle. Therefore units are in running mode and numbers 4 and 3 remain in Stand-by. Special cases. In the case of fig. B, if a unit blocks, this is replaced by the unit in Stand-by and rotation is not resumed until at least one of the blocked units is added to the one running. 18

20 Example 4. 4-unit operation in Master/Slave mode with a Slave unit block - Fig. A Unit 1 is the Master unit as it has the lowest address, while the remaining unit run as additional Slave units. - Fig. B Slave unit 2 blocks and remains inoperative. In this case the Master control information is still sent to the blocked unit. Example 5. 4-unit operation in Master/Slave mode with Master block - Fig. A Unit 1 is the Master unit as it has the lowest address, while the remaining unit run as additional Slave units. - Fig. B If Master unit 1 blocks, control passes to the unit with the next lowest address. Therefore unit 2 becomes the Master unit. - Fig. C If Master unit 2 also blocks, control is passed on to unit 3. When the blocked units are reset, the original Master unit resumes control. Other possible network connections. Network connection with a single LCD terminal shared by all units Addresses: Main boards (=units) Private Terminal Shared Terminal 32 19

21 Network connection with LCD-grafic terminals for each unit Addresses: Main boards (=units) Private Terminal (by EPROM) Shared Terminal Network connection with LCD-grafic terminals for each unit and one LCD terminal shared by all * units. Addresses: Main boards (=units) Private Terminal (by EPROM) Shared Terminal 32 * In this case the network must be equipped with a T switch and power supply unit. Special case of network connection with maximum configuration. Addresses: Main boards (=units) Private Terminal (by EPROM) Shared Terminal 32 20

22 pco2 board hardware addresses Each pco2 board must be configured to its address by its microswitches. Bear in mind that the number of board addresses can vary from 1 (min.) to 16 (max.). In the event that the network comprises only a few units, the addresses must be in sequence from 1 to the highest number connected. Terminal hardware and software addresses Each terminal must be configured to its address by its microswitches. Bear in mind that the number of terminal addresses can vary between 17 (min.) and 32 (max.). In the event that the network comprises a series of boards and a single terminal, the latter will have an address of 32. Network operation test The board features 3 LEDs that indicate the network operating status (see below). LED STATUS DESCRIPTION red and green OFF Correct plan operation yellow ON fixed red and green yellow OFF ON flashing Low level operation (Com. pco2-pc: OFF): terminal disconnected or BIOS/application incorrect yellow and red green OFF ON flashing Low level operation (Com. pco2-pc: OFF): BIOS/application incorrect, or upload/download in progress red, green and yellow ON pulsing Operation in transitory mode; pco2 start-up or upgrade boot completed. green red and yellow OFF ON pulsing Operation in transitory mode; terminal disconnected or BIOS/application incorrect Addressing procedure Each pco2 board in the network can control up to a maximum of three terminals. Their display is simultaneous and related (as if keypads and display were connected in parallel). Each terminal associated with a particular board can be: 1. Private (Pr): if the output of a single connected board is displayed. 2. Shared (Sh or Sp): can be switched between connected boards automatically or by keypad. Each base board constantly updates the display of personal terminals. Shared terminals are only updated when the pco2 base board is in control. The following diagram describes the logic of this situation: 21

23 Board switching is cyclic ( ) when the?info key is pressed. IMPORTANT The standard program gives the user two options: a personal terminal for each I/O board, or a single terminal (number 32) shared by all units. A mixed configuration is also possible: personal terminals with one shared. The number and type of terminal is decided during configuration of the local network. Relative data are stored by the EEPROM memory by each I/O board. To enable terminal configuration, press the keys below at the same time for at least five seconds. After 5 seconds, the following page will be displayed: Terminal Adr: nn I/O Board Adr: xx where: Terminal Adr: nn (fixed value) the current terminal address, set by the rear microswitches. The value nn specifies the hardware address attributed to the terminal, and cannot be modified. I/O Board Adr: xx the address of the pco 2 base board currently connected to the terminal. If the terminal is not connected to any board, the characters are displayed. Use the arrow keys to modify the setting and to force connection with another board or unit. The values displayed during selection are the addresses of the pco 2 boards connected to the network. If no base board is currently live, the display cannot be changed. To modify the address of the board, use the UP and DOWN arrow keys. If no key is pressed for more than 15 seconds, the terminal exits the configuration procedure. 22

24 Select the board to be connected, then confirm by pressing enter ; the following page will be displayed: Terminal Config Press ENTER to continue Press enter again to display the page: P:xx Adr Priv/Shared Term1 None -- Term2 None -- Term3 None -- Ok? N where: 1. P:xx; address of the connected board 2. Adr: column for selection of terminal addresses 3. Priv/Shared: column for selection of personal or shared terminal 4. Term1-2-3; terminals to be configured 5. None; terminal address selection (to select the address, use the arrow keys, then press enter to go to the next field) 6. --; Pr personal or shared Sh terminal selection (to make the selection, use the arrow keys, then confirm by pressing enter ) 7. Ok?N: When configuration has been completed, position the cursor beneath the letter N ; use the arrow keys to change to Y, then press enter to confirm. Network error messages The following errors are possible: 1) In the event that, during network operation, the terminal detects that the current pco 2 board displayed is inactive, the standard display is replaced by the following message: I/O Board xx faulty In this case, the power board with address xx is faulty, disconnected or there is a fault in the communications system. Check the connections of the board. 2) In the event that the terminal does not receive a network synchronisation for more than 10 seconds, the following message is displayed: NO LINK This alarm is indicated when the green LED goes out on the addressing board. Check the operating efficiency of network components. Network status (NetSTAT) display The status of all terminals and connected pco 2 boards is displayed by a set of symbols (the position of the symbol identifies the address of the component). 23

25 To access the network status display, press the same keys for terminal address display for at least 10 seconds. The following page will be displayed: NetSTAT T: xx Enter To EXIT where: 8. T: xx the address of the active terminal 9. Enter to EXIT press enter to exit the network status page - useful address In the event that the address corresponds to a terminal, the following symbols will be displayed (instead of - ): terminal connected to network pco 2 board connected to network A few examples of networks are shown below. Example 1: Network comprising two pco 2 boards with 1, 2 address and personal terminal with address Example 2: Network comprising four pco2 boards with address 1,2,3,4 and four personal terminals with address 9,10,1, 13, and a shared terminal with address

26 Troubleshooting Fault Likely cause and possible solution Terminal buzzer goes off for no reason. When buzzer stops, the display is reset (hardware reset). - Same address has been given to different components; Check the configuration of addresses. One or more terminals have the address 0 (all dip-switches set to OFF). Check the configuration of addresses. - Network connections are not correct. Data lines (RX/TX+ and/or RX/TX-) may have short-circuited to earth or are disconnected; check connections. - Power board could be damaged. Display on terminal is off Enter the configuration procedure; if the line I/O board Adr shows the address field -, the terminal has not been configured. Configure the terminal. Alarm NO LINK is displayed - The terminal is not receiving network signals, connections have been interrupted. Check all network connections. Other components are not connected to network. Alarm I/O board xx fault is displayed - The power board with address xx does not operate correctly. Check the LEDs of the relative serial address board. Green LED on address board is out - Board is not receiving network signal; connections have been made incorrectly. Check all connections. Other components are not connected to network. Green LED on address board goes on and off Unit does not start (power LED on pco 2 is off, LCD off, other LEDs off) When unit is powered up, line LEDs or three plan LEDs are on; display shows random messages. - See previous point. Check the power supply to the unit. - Problems with Flash Memory. Seek technical assistance. Incorrect readout of input signals. - Check that inputs have been correctly configured (by program). - Check that board and probes are correctly powered. - Separate power supply to digital inputs from board power supply by means of 24 Vac/24 Vac transformer (at least 12 VA). - Check that probes have been connected correctly. - Check that the probe connection lines are well clear of potential sources of electromagnetic interference, such as power lines, highvoltage contactors, and that take-off current absorption devices have been fitted. - In the event of probe or conversion error, refer to the paragraph Checking analogue inputs. Suspect alarm signal by digital input - Check the status of the input in the relevant I/O page. - Check presence of power to the input between terminal C and terminal Cn. If 24V is measured, the input is closed; if 0V is measured, the input is open (controller normally gives an alarm signal when the input is open). Controller continually sets to Watch-dog mode: units behaves as if there is a momentary power failure, or digital or analogue outputs are shown at random). User terminal does not respond to key operation. - Check that power lines do not pass in the vicinity of the controller. - Check that the power transformer is correctly dimensioned. - Check that the terminal is connected; reconnect as necessary, then switch the controller off then on. Programming the base board Programming involves entering application software in the pco2 board. In the case of serial programming, make sure that the serial address is set to zero, corresponding to the OFF position of all microswitches. 25

27 Once the program has been uploaded, the exact serial address of each card must be restored and terminal software must be addressed. Operating modes Programming can be carried out by hardware key personal computer. Whatever the means used, follow the procedures specified below. Programming by hardware key Follow the uploading procedure specified in the paragraph Programming key (in the Accessories section). Perform all operations as described to ensure best operating results. Programming by personal computer The following components are required: RS232/485 opto-insulated converter powered by 12V transformer (KIT code PC485KIT00) WinLoad32 program Proceed as follows: 1 Install the latest version of the program WinLoad32 for programming via PC. 2 Set the serial address on the board to be programmed to 0 (all microswitches in OFF position). 3 Connect the RS computer plug of the RS232/485l converter to the RS232 serial port on the PC. 4 Connect the RS232/485 converter by means of a 6-way telephone jack to the J10 connector on the pco 2 (the same connector used for connecting the terminal). 5 Start up WinLoad32 and configure the serial output connected for program transmission and the address of the board in the drop-down menu (in the control COMM. for the output, and on Pc02 addr. for the address; make sure that the address is 0) 6 If all operations have been performed correctly, the WinLoad32 status bar will show ON. LINE, (otherwise OFF LINE is displayed), communication between the PC and the board is now active. 7 Select the Upload folder. 8 In the Application window enter the path of the files to be uploaded; after the file directory has been opened, the windows project.iup and project.bin will display all files with the extension IUP and BIN. Select the BIN and BLP files to be copied (selected files change colour); enable copying by selecting the control boxes in the project.iup and project.blb windows. 9 Select UPLOAD to copy from the PC to the pco 2 ; the state of progress of the operation will be shown. 10 In the event that boot and the BIOS require updating, contact the after-sales service. If not authorised, this command could cause irreparable damage to the control. 11 Once the program has been transferred, shut off the power supply to the board and configure the serial address to other than 0 again before disconnecting the PC from the board. Observe all the above operations to ensure the correct results. Ensure that authorisation has been given before performing this operation. 26

28 PROGRAM OPERATION General The regulator is designed to maintain the return air temperature at the setting made; this function is performed by cooling (compressors or valves) and heating (heaters or valves) actuators. The controller supervises other functions, such as: Economy operation, dehumidification with priority over temperature or humidity, control of network units in Master/Slave or Running/Stand-by configuration, multilanguage support, restart after power failure, recycle air dampers, automatic compressor restart by pressure switch, alarms history. Most parameters (set points, differentials, delays) mentioned below can be configured in the pages accessed directly or by password. The section concerning the message pages includes a description of all parameters and their use by the controller. Main control functions Ventilation The fan is enabled for operation when the ON button is pressed or by the closing of the external permissive (if enabled). Fan operation is subject to delay settings and alarms. Cooling The room air cooling function (in response to the temperature and/or humidity settings) is performed by 1 or 2 compressors, or by cold water coil fitted with 2/3 way ON/OFF floating or modulating valve. Cooling devices are enabled for operation in accordance with the increase in intake air temperature. Compressor operation is subject to the status of safety devices and the minimum time settings made. Once activated, each compressor operates for a minimum time, unless a serious alarm intervenes. After shutdown, each compressor can be restarted only when the minimum shutdown time has elapsed, and in any case only following the minimum time interval between two consecutive start-ups. Heating The room air heating function (in response to the temperature and/or humidity settings) is performed by 1 or 2 heaters or a floating or modulating ON/OFF hot water coil. Heating devices are enabled for operation in accordance with the reduction in intake air temperature. Heater activation is subject to the status of relative alarms. Humidification In accordance to the room relative humidity settings made, this function is controlled by a CAREL humidifier with submerged electrodes. The C2-N04 digital output is also used as a permissive for an exterior humidifier. Dehumidification In accordance to the relative humidity settings made, room dehumidification is performed by compressor (or cold water valve) in the cooling function, even below the temperature setting. Given that the compressors (or cold water valve) can operate below the temperature setting during the dehumidification function, air is pre-heated by electrical heaters or the hot water coil before being delivered into the room. The function is activated in accordance to the drop in intake air temperature in relation to the operating settings. The C2-NO2 digital or Y4 analogue output can also be used for fan speed reduction (if prearranged). Accessory functions Dehumidification in temperature or humidity mode The dehumidification function can be used in two different ways: - dehumidification with TEMPERATURE priority: When dehumidification is requested, the compressor (or cold water valve) is activated until the minimum (LOW LIMIT DEHUMIDIFICATION STOP) or maximum (HIGH LIMIT DEHUMIDIFICATION STOP) value of the intake temperature is reached (see adjustment diagram). 27

29 - dehumidification with HUMIDITY priority: When dehumidification is requested, the compressor (or cold water valve) is activated until the humidity setting is reached. In this case, a low delivery temperature limit is set to deactivate the dehumidification function and prevent the formation of frost on the coil. Economy function By means of this function, the controller can manage unit operation in such a way as to ensure energy saving. This function is achieved by: - Energy Saving (ES) ; - Set point compensation - Dual Cooling coil (DB) (not available); - AIR or WATER free-cooling (FCA or FCW) (not available). These functions will be described in the sections below. Operation in local network By means of this function, the controller can manage the operation of a series of units connected in a local plan network and configured in the following arrangements: - RUNNING / STAND-BY (RS); - MASTER / SLAVE (MS). These operating modes will be described in the sections below. Multilanguage support The interface pages can be displayed in any of the following languages: ITALIAN, ENGLISH, FRENCH or GERMAN. Power supply voltage control This function enables the control of the main rated control power voltage (24Vac); i.e. if this value falls by -15% or exceeds by +15%, the main functions (compressor, ventilator, heater, etc) are deactivated and the relative alarm trips. If the power supply voltage returns within the set limits, the control resumes machine operation automatically. This control can be disabled if required. Restart after power failure In the event of power failure, the controller automatically restarts unit functions after a time equal to: address number *10 sec. This function prevents overloading the power supply if several units are connected in a network configuration. Return damper control By means of the analogue output Y3 (with fixed value of 0-10V), the return air damper can be controlled. When the machine is turned OFF at the keypad or shut down by external contact, the damper shuts completely. High or low pressure switch control HP and LP alarms are controlled by a maximum number of cut-ins before automatic compressor restart for a minimum time. Automatic pressure switches are required by this function. Set to 0 to disable the function. E.g. maximum number is 2, minimum restart time is 3 minutes. At the first and second cut-in, the unit is shut down with an acoustic and display alarm; after 3 minutes, the controller restarts the compressor if the alarm has been cancelled. At the third cut-in, the controller shuts down operation completely and enables the general alarm. To reset the counter, press the alarm key. Humidifier operation in heating mode The humidifier is deactivated when the operation of electric heater is requested during post-heating. This function reduces the total absorbed current at full load in critical situations. Alarm history control To enable this function, the clock card must be enabled (see MANUFACTURER PARAMETERS) On versions with the LCD terminal, the history is recorded for the last XXX alarms (see MAINTENANCE PARAMETERS). The alarm history page is displayed as follows: 10:30 06/01/00 Hour and date of the occurred alarm AL: 01 N:000 Alarm code and progressive memorization number HP1 (Comp1gen) Concise alarm description Status: OFF Alarm state 28

30 Status can be: ON = alarm still active OFF = alarm no longer active. The number 001 is the oldest alarm occurred and the list can be run over through the Keys. For example, if a total of 15 alarms have been registred, number 015 corresponds to the most recent one. In case more alarms than those which can be registred occur, the first alarm (the oldest one) and then those following will be replaced by the new ones. The cancellation of the alarm record can be done only when the unit is in the OFF position, and with the keyboard in the USER PARAMETERS position. For a complete cancellation of the alarm record, it is advisable to wait untill the writing --- WAIT --- stops blinking. We recommend deleting the alarm memory immediately before memorisation, to remove any false data if present. Back-up battery control (not available) Manual function control This function enables manual activation of unit devices, i.e. with the control inhibited, while maintaining the guard interlocks to safeguard the devices used. This procedure is only possible with the unit switched OFF via the keyboard and in maintenance mode (password protected). Alarm panel management If the Large card is installed, alarms or signals to be sent can be selected for transmission to 5 digital outputs, so that the latter can provide further information on unit operation. The range of selectable variables available is as follows: - Not present (default!) - High pressure 1 - High pressure 2 - Low pressure 1 - Low pressure 2 - High/Low temperature - High/Low humidity - Filters clogged - Air flow - Unit running - Fan function - Unit in cooling mode - Unit in heating mode - Unit in humidifier mode - Unit in dehumidifier mode - Fan overload - floading - Fire/smoke Bear in mind that outputs are in exchange with the separate common, while the three outputs share the same common. If voltage-free contacts with separate common contacts are required, each output must supply a back-up relay. For output connections, refer to the wiring diagram enclosed with the unit. 29

31 Economy control functions These functions allow connected units to take advantage of external cooling sources, thereby reducing compressor operating time. Energy saving functions: Energy Saving (ES) Units are fitted with a twin coil (one chilled water coil, one direct expansion coil); water inlet probe; valve with ON/OFF or modulating control. The following components are required for the ES function Water inlet temperature probe connected to analogue input (B3); modulating water valve connected to analogue output Y1. The following basic parameters must be set on the software: selection Economy function to ES type; Entry of ES./FC offset points; operating steps of compressor/s in cooling and dehumidification. Note that: at set point, the valve is closed; the water valve is activated only after conditions are reset. ES activation depends on the following equation: Where: Tambiente Tacquain Offset ES. Tambiente Tacquain > OFFset ES. = intake probe temperature; = water inlet probe temperature; = value set for activation of ES. In this situation, the following cases are possible: 1. With compressors in ES mode The compressor operating steps are set in advance with respect to opening of the valve (with both modulating and ON./OFF valves); but only at the time that ES conditions are enabled. If conditions are not met to enable the ES function, the compressors operate as normal, occupying the entire operating step. 2. Without compressors in ES mode The compressor operating steps are eliminated and only the water valve operates. If conditions are not met to enable the ES function, the compressors operate as normal, occupying the entire operating step. To avoid errors for activation of the ES function, for example when the equation is met by only a few hundredths of a degree, a fixed differential is set of 0.5 C, i.e. ES is activated when Tambiente Tacquain > OFFset ES. And deactivated when Tambiente Tacquain > (OFFset ES.-0,5) Set-point compensation Set-point compensation enables achieve energy saving, when the external temperatures are particularly sever with respect to the requirements of the environment controlled. Compensation varies the control set-point according to the external temperature. To use this function, the following components are required: External air temperature probe connected to analogue input (B3); The following basic parameters must be set on the software: Selection of Compensation function. Entry of Compensation set-point; Entry of Compensation band; Entry of Compensation offset point. 30

32 Note that: Compensation adds a delta value to the set-point, which depends on the external temperature (the value increases in proportion to an increase in the external temperature); The delta value to be added to the temperature control set-point is equal to 0 when the external temperature =< compensation set-point; The delta value to be added to the temperature control set-point increases when the external temperature > compensation set-point; The delta value to be added to the temperature control set-point reaches the maximum value (Compensation Offset point) when the external temperature >= set-point + compensation differential. Comp. Offset Comp. Set Comp. Differential Ext. Temp. probe Operation in series The network type and information for network construction can be selected from the Manufacturer Parameters. Two or more units in a local plan network with 4x20 LCD terminal can operate in the following configurations: Running/ Stand-by Of the (i.e. maximum number of terminal addresses) plan network addresses, a maximum of three can be set to Stand-by, while the others are Running. The Running units operate autonomously in the control of temperature and humidity for relative users. Units can set from Stand-by to Running status in the following cases: due to cyclic rotation in accordance with selected time or operating hours parameters; due to alarm on one of the units in Running status; as additional step in the event of high or low intake temperature on the Running unit. Low temp. RUN. High temp. RUN. Differential RUN. Off-set RUN. Off-set RUN. Differential RUN. Probe RUN. intake temp. (x RUN. Tempo time) ST-BY) (x RUN. time) RUN. set point Note that: when Running units are < 3, a maximum of 3-1 units in stand-by; the unit determining rotation is the one with the smallest address (min. 1); in the event of fault, control is passed on to the unit with the next smallest address (max. 16); the number of units in Stand-by that can be activated by alarm must always be sufficient to ensure operation of units in Running status. 31

33 Master/Slave In this configuration, the unit with the smallest address (min. 1) of the (i.e. maximum number of terminal addresses) plan network addresses becomes the Master, while the remaining units (max. 15) are the Slaves. According to the temperature and humidity data received, the Master unit decides the appropriate form of control (COOLING/HEATING HUMIDIFICATION/DEHUMIDIFICATION) for the Slave units, which in turn operation as required. In the event of alarm in the Master unit, control is passed over to the Slave unit with the next smallest address (max 16). 32

34 Adjustment diagrams Temperature adjustment General definitions Temperature control can be: PROPORTIONAL (P): control acts according to the difference between the set the temperature or humidity value and the effective (real) value detected. PROPORTIONAL +INTEGRAL (P+I): control acts according to the difference between the required and the detected temperature values, as well as the time for which it persists (the integration constant can be selected). Humidity control is proportional only. The PROPORTIONAL BAND defines an area of temperature/humidity control. The greater the deviation from the set point, the greater the control. The DEAD BAND defines the area around the set point in which no device is active. PROPORTIONAL ADJUSTMENT Heating Cooling 100% 50% set-point 50% 100% neutral zone proportional band The STEP is an area of the proportional band that defines the start-up and shutdown values of a specific device (e.g. compressors, electric heaters, humidifier). The SET, of a step, is a percentage of the proportional band, which associated with the right and left hysteresis comprises the step. This value can be considered the central point of the step. The HYSTERESIS refers to an area halfway between ON and OFF. STEP ADJUSTMENT ON Heating Cooling ON OFF OFF step set-point step set-point Hysteresis Hysteresis 33

35 Consider the following examples: Unit with 1 compressor Comp. Default values: Set compressor 1: 50% Hysteresis compressor 1:50% 0% 50% 100% Band Unit with 2 compressors Comp.2 Default values: Set compressor 1: 25% Hysteresis compressor 1: 25% Comp.1 Set compressor 2: 75% Hysteresis compressor 2: 25% 0% 50% 100% Band Unit with 1 heater Heater. 1 Default values: Set heater 1: 30% Hysteresis heater 1: 30% -100% -50% 0% Band Unit with 2 heaters Heater 2 Heater 1 Default values: Set heater 1: 15% Hysteresis heater 1: 15% -100% -50% 0% Set heater 2: 45% Hysteresis heater 2: 15% Band 34

36 Humidity adjustment General definitions A HUMIDIFICATION request can be made by: ON/OFF control; INTEGRATED HUMIDIFIER control. (Selection is made in the Manufacturer Unit configuration parameter page, accessed by password) ON/OFF humidity control Humydifier De-Humydifier 100% 50% proportional band 0% 50% 100% set-point proportional band Default values: Set dehumidification: 50% Hysteresis dehumidification: 50% Set humidification: 50% Hysteresis humidification : 50% In this case, the controller can enable operation of an external humidifier (see paragraph HUMIDIFICATION). Humidity control by integrated humidifier Nominal Production 100% Humydifier De-Humydifier 75% 50% 30% 100% 50% 10% 0% 50% 100% set-point proportional band proportional band Default values: Set dehumidification: 50% Hysteresis dehumidification: 50% Steam production setting: (min.) 30% x Pn > (max.) 100% x (Pn) Where Pn represents set nominal production. 35

37 Integrated humidifier The pco2 can also control an integrated CAREL humidifier with submerged electrodes (to be combined with OEM kit); in this way, the board can control all humidifiers between 1 and 42 kg/h (single-phase and three-phase), with power supply between 200 and 660 V ( V or V types are recommended). An additional board is used (see paragraph 2.3) to ensure that the base board is able to read the TAM current transducer signal, the conductivity signal and the water level. According to the current signals and the relative humidity, the board controls steam production, humidifier operating conditions, as well as detecting and managing its status and alarms. where: Main components of integrated humidifier A = B = C = D = E = F = G = H = L = S = V = U = Steam outlet High level electrodes Water delivery inlet Steam prod. Heater (3 x 3-phase; 2 x single phase) Conductivity electrodes Water supply solenoid valve Water drain solenoid valve Overflow drain line Boiler cylinder Drain water outlet Filler tray Collection tray V E F H A B D L G U C S PCO2 base board wiring diagram for connection with PCOUMID0000 humidifier control card PCO2 G G0 ID13 B8 GND B7 NO5 NO6 NO4 FILL DRAIN POWER AUXILIARY SUP. 24V 24 0 TAM MAIN POWER SUPPLAY OEM GG0 O1 O2 B7 G0 B8 T1 T2 L1 L2 C1C2 PCOUMID 0 36

38 Description of humidifier parameters Configure the Manufacturer and User parameters as specified below: NAME DESCRIPTION U.M. RANGE DEF. P.nominale Nominal production or maximum produced by cylinder kg/h Tensione Power supply V N. delle fasi No. of phases in power network (1=single 3= three-phase)... 1/3 3 Modello TAM TAM model used (depending on OEM type) P. settata Maximum set production kg/h 30%->100%Pn 5 Set point Umidità Humidity control setting R.h.% R.h.% 50 Differ. umidità Humidity adjustment band R.h.% R.h.% 5 Soglia Alta umidità High humidity alarm threshold R.h.% R.h.% 80 Soglia Bassa umidità Low humidity alarm threshold R.h.% R.h.% 30 C0 Algorithm constant (see paragraph below) C1 Algorithm constant (see paragraph below) C3 Cylinder foam content sensitivity constant 70(min)->100(max) 70 TAM model OEM boiler model Single-phase Three-phase * * * *two cable turns on TAM C0-C1 parameter tables The constants C0 and C1 are used in control, and vary according to the humidifier connected. The tables below show the required C0 and C1 values according to nominal production (columns) and voltage (lines): C0 and C1 for single-phase F200MA cylinders with nominal production from 1 to 3kg/h: Nominal production in kg/h 1 kg/h 2 kg/h 3 kg/h C0 C1 C0 C1 C0 C C0 and C1 for three-phase F400TA cylinders with nominal production from 3 to 5 kg/h: Nominal production in kg/h 3 kg/h 5 kg/h C0 C1 C0 C

39 C0 and C1 for three-phase E400TA cylinders with nominal production from 8 to 13 kg/h: Nominal production in kg/h 8 kg/h 13 kg/h C0 C1 C0 C C0 and C1 for three-phase I400TW cylinders with nominal production from 23 to 42 kg/h: Nominal production in kg/h 23 kg/h 33 kg/h 42 kg/h C0 C1 C0 C1 C0 C OEM electric specifications Single-phase Three-phase V kg/h Amp Watts V kg/h Amp Watts V kg/h Amp Watts V kg/h Amp Watts V kg/h Amp Watts V kg/h Amp Watts The numbers in bold refer to OEM standards used on the unit. Parameter C3 This parameter defines when to perform the anti-foaming cycle. C3 has the default value of 70 (%), this means that the anti-foaming cycle is performed if the measured current during a water filling cycle is no greater than 70% of the set steam production. This value can be increased to 100 (%) to increase control sensitivity and counteract the presence of foam in the cylinder, interrupting steam production to drain or supply water as required. This operation inhibits humidifier operation for approx. 15 seconds. We recommend maintaining this value at 70% to guarantee constant control of foam presence. 38

40 Humidification planning Selecting humidifier type To select humidifier type, configure the four parameters in the humidifier page in the Manufacturer section UNIT CONFIGURATION accessed by password: P.NOMINALE: nominal production of steam or maximum supplied by the cylinder. Values can be set between kg/h and 42 kg/h. TENSIONE: voltage of the power supply system. Values can be set between 0V and 660V. N. DELLE FASI: number of phases on the power supply. Set to one or three phases. MODELLO TAM: amperometric transformer (TAM) used. Values between mod.50 and 700, depending on boiler. ABIL. SCARICO discharge type (power contactor or without voltage). SENZA TENSIONE Humidity adjustment and steam production Humidity production by the humidifier depends on: Humidity setting; Steam production setting. Humidity is controlled according to the reading made by the humidity probe and the humidity differential setting. The controller calculates a proportional humidity error (ERP): ERP 100% set-point 0% B Humidity % proportional band Configure the setting to the maximum production required (between 30% and 100% of nominal production). The selected production level in relation to the proportional humidity error (ERP) gives the humidifier adjustment as shown in the diagram: A B C ERP 100%Pn 30%Pn ERP = proportional humidity error in relation to setting and differential Required steam production: A-100%Pn B-50%Pn C-30%Pn 100%ERP 0% 10%ERP 0%ERP ERP % set-point proportional band The humidifier works at a minimum level of production (30% of nominal production) when the ERP = 0, then increases in relation to the ERP, reaching the selected production level when ERP=100%. Monitoring of steam production and humidifier parameters The user can at any time check steam production in the pages accessed by the MENU key, as well as other humidifier parameters, such as water conductivity, absorbed current by phase, or the operating mode by means of the pages accessed by the I/O key. 39

41 Humidifier alarm management The table shows a list of humidifier alarms, causes and corrective actions. DISPLAY CAUSE ACTION RELAY ACOUSTIC ALARM No current alarm Water level has reached full sensor and Im < 5%In 1 is measured No water alarm Drain valve has been open for more than 20 minutes. Low or high humidity alarm Humidity level is above or below the set limits. This alarm is given 20 minutes after the ON button has been pressed. Foam present alarm Foam has been detected inside the cylinder, and the alarm is displayed by pressing the I/O key. Cylinder saturated Cylinder could be clogged with alarm lime scale. High current alarm Current higher than set limits (see relevant section). Switch off power YES YES Empty the cylinder 2 None YES YES None YES YES Problem is handled by controller procedure (during this time, maximum production cannot be assured). NO NO Replace the cylinder. NO NO Forced drain for 5 seconds. Shut off power. High current alarm To prevent the current from rising above the maximum permissible values, limits have been set. Note however that the limits are associated with time, given that they must allow current peaks at start-up. Imax 300%In 250%In 200%In 170%In 130%In High current Forced discharge t Forced discharge lasts for 5 seconds, and is not indicated. The high current alarm forces the drainage of water for 30 seconds and shuts down the humidifier. 1 If there is no current, the controller itself should logically shut down; if however only one phase is missing, no current can still be measured, even though the current is actually above the safety threshold. 2 This action is required to prevent the current from surging over permitted limits once the alarm has been reset and the power contactor enabled. 40

42 Program parameter settings The following machine devices are configured to default values: intake air temperature probe; humidity probe; compressor; heater; integrated humidifier 5kg/h 400V/3Ph. The table below list machine default settings. These values are interpreted by the base board as machine parameters if an affirmative answer is given to the first window of Unit Initialisation. PARAMETER LEVEL PRE-SET Temperature setting Set points 24 C Humidity setting Set points 50 % PROG key Minimum temperature User 10 C Maximum temperature User 30 C Minimum humidity User 0 % Maximum humidity User 100 % Temperature band User 2 C Neutral temperature zone User 0 C Humidity band User 2 % Neutral humidity zone User 0 % Maximum steam production User 5 kg/h Automatic restart after power failure User Y Remote ON/OFF control User N Compensation enable User 2 C Compensation set point User N Compensation Set point User 25 C Band User 3 C Offset User 2 C Low intake air temperature alarm User 15 C High intake air temperature alarm User 30 C Low room humidity alarm User 30 C High room humidity alarm User 80 C Low delivery air temperature alarm User 0 C High delivery air temperature alarm User 30 C Low input water/ext. air temp. alarm User 10 C High input water/ext. air temp. alarm User 30 C Low output water temp. alarm User 10 C High output water temp. alarm User 40 C Maximum HP switch cut-ins User 0 Minimum restart time User 3 min. Maximum LP switch cut-ins User 0 Minimum restart time User 3 min. Back-up battery low power alarm User 23 V Reset alarm history User N Date of last reset User 00/00/00 New user password User #### Menu+Prog keys Display language Manufacturer ENGLISH Unit Configuration Machine type Manufacturer OEDA Size Manufacturer 100 Version Manufacturer HH Clock board enable Manufacturer N Printer enable Manufacturer N Supervisor enable Manufacturer N Supervisor address Manufacturer 001 Protocol speed Manufacturer (RS485) 41

43 Delivery air probe enable Manufacturer N Output water probe enable Manufacturer N Inlet water/ext. air probe enable Manufacturer N Humidity probe enable Manufacturer Y Integrated humidifier enable Manufacturer Y Economy enable Manufacturer N No. heaters Manufacturer 1 No. compressors Manufacturer 1 Back-up battery enable Manufacturer N Power supply control enable Manufacturer N Digital output 2 Manufacturer Dehumidification Digital output 3 Manufacturer ECON. valve Cold modulating valve enable Manufacturer N Hot modulating valve enable Manufacturer N 3-point cold water valve enable Manufacturer - 3-point hot water valve enable Manufacturer - General parameters Enable compressor with economy valve Manufacturer N Enable compressor rotation Manufacturer Y Enable compressors for dehumidification Manufacturer 1 Adjustment type Manufacturer P Dehumidification logic Manufacturer NO Damper analogue output Manufacturer 00.0 V Fan analogue output Manufacturer 00.0 V Fan analogue output in dehumidification Manufacturer 00.0 V Comp. 1 step without Economy function: Position Manufacturer 50 % Hysteresis Manufacturer 50 % Comp. 2 step without Economy function: Position Manufacturer - % Hysteresis Manufacturer - % Comp. 1 step with Economy function: Position Manufacturer 66 % Hysteresis Manufacturer 33 % Comp. 2 step with Economy function: Position Manufacturer - % Hysteresis Manufacturer - % Heater step 1: Position Manufacturer 30 % Hysteresis Manufacturer 30 % Heater step 2: Position Manufacturer 45 % Hysteresis Manufacturer 15 % Heater binary step: Position Manufacturer 50 % Hysteresis Manufacturer 10 % Cold modulating valve 0/10V: Start Manufacturer 0 % End Manufacturer 100 % Hot modulating valve 0/10V: Start Manufacturer 0 % End Manufacturer 100 % Cold 3-point floating valve: Start Manufacturer 0 % End Manufacturer 100 % Hot 3-point floating valve: Start Manufacturer 0 % End Manufacturer 100 % Dehumidification priority Manufacturer TEMPERATURE Humidification step: Position Manufacturer 50 % 42

44 Hysteresis Manufacturer 50 % Dehumidification step: Position Manufacturer 50 % Hysteresis Manufacturer 50 % Low intake temp. limit (stop dehumidification): Position Manufacturer 50 % Hysteresis Manufacturer 35 % High intake temp. limit (stop dehumidification): Position Manufacturer 50 % Hysteresis Manufacturer 50 % Low delivery temp. limit (stop dehumidification): Set Manufacturer 0 % Offset Manufacturer 1 % High delivery temp. limit (stop dehumidification): Set Manufacturer 30 % Offset Manufacturer 1 % Humidifier: Humidifier nominal production Manufacturer 5 kg/h Humidifier voltage Manufacturer 400 V No. humidifier phases Manufacturer 3 TAM humidifier model Manufacturer 100 Enable no power discharge Manufacturer Parameter C0 Manufacturer 37 Parameter C1 Manufacturer 150 Parameter C3 Manufacturer 70 Enable no power humidifier discharge Manufacturer Y Enable humidifier int. with heaters Manufacturer Y Local network: Operating mode Manufacturer MASTER/SLAVE No. units in network Manufacturer 1 No. units in Stand-By Manufacturer 0 Reset rotation Manufacturer N Unit rotation Manufacturer Hours Rotation interval Manufacturer 006 h Force ST-BY high temp.: Offset Manufacturer - C Differential Manufacturer - C Time Manufacturer - min. Force ST-BY low temp.: Offset Manufacturer - C Differential Manufacturer - C Time Manufacturer - min. Timing Fan ON delay Manufacturer 0 sec. Fan OFF delay Manufacturer 0 sec. Integration time (P+I only) Manufacturer 600 sec 3-point cold water valve opening time Manufacturer 60 sec. 3-point hot water valve opening time Manufacturer 60 sec. Low pressure alarm delay Manufacturer 180 sec. High /low temp./humidity alarms Manufacturer 300 sec. Air flow switch alarm delay: during start-up Manufacturer 30 sec. while operating Manufacturer 5 sec. Water flow switch alarm delay: During start-up Manufacturer 30 sec. While operating Manufacturer 5 sec. Minimum compressor off time Manufacturer 0 sec. Minimum compressor on time Manufacturer 0 sec. Same compressor on delay Manufacturer 360 sec. Different compressor on delay Manufacturer 10 sec. Different heaters on delay Manufacturer 3 sec. 43

45 Maximum buzzer activation time Manufacturer 0 min. Compressor return to dehumidification start Manufacturer 0 sec. Unit initialisation Press ENTER to install. Manufacturer New Manufacturer password Manufacturer #### Alarm Management Alarms are divided into three categories: ALARM TYPE LED lamp on Window signal Remote signal Unit shutdown Device shutdown Serious alarms yes yes yes yes yes Device alarm yes yes yes no no Alarm signal yes yes yes no no Alarms can be summarised as follows: ALARM V C1 C2 R1 R2 V1 V2 V3P1 V3P2 RESET DELAY DISP. HUM. NOTE ONLY general compressor 1 yes man. immed. general compressor 2 yes man. immed. low pressure 1 yes man. immed. low pressure 2 yes man. immed. air flow switch yes yes yes yes yes yes yes yes yes man. immed. yes general fan yes yes yes yes yes yes yes yes yes man. immed. yes heater 1 thermal switch yes man. immed. heater 2 thermal switch yes man. immed. general alarm yes yes yes yes yes yes yes yes yes man. immed. yes air filter man. immed. yes high temperature man. immed. yes low temperature man. immed. yes high humidity man. immed. yes low humidity man. immed. yes high outlet water temp man. immed. yes low outlet water temp. man. immed. yes comp 1 operating time man. immed. yes comp 2 operating time man. immed. yes fan operating time man. immed. yes ambient probe fault man. 1 min. yes outlet water probe fault man. 1 min. yes water inlet/ext. air probe man. 1 min. yes fault delivery air temp. probe man. 1 min. yes fault humidity probe fault man. immed. yes high humidifier current man. immed. yes no water in humidifier man. 20 min. yes CHARGE no current to humidifier man. immed. yes DISCHARGE clock board fault man. immed. yes Alarms can be indicated by: a buzzer incorporated in the I/O base board; the LED lamp on the ALARM key; Press ALARM to display the alarm message. To reset the alarms, simply press the ALARM button when an alarm window is displayed. When this key is pressed, the first alarm window is displayed and the buzzer is shut off. Press the key a second time to reset active alarms. Use the UP/down arrow keys to display the other alarm pages. If there are no active alarms, this key will display the No active alarms message when pressed. 44

46 Access to parameters General Configured parameters specify the type of unit controlled, operating limits, delays and alarms. Pages are subdivided into sections, according to the parameters displayed. Messages can be displayed in various languages. Select the language from those listed in the Manufacturer section. Remember that unauthorised modifications to parameters will render the guarantee null and void and can impair correct unit operation. Access to the variable parameters is possible at different levels: Application Set-points Printer I/O Password Graphs (with GRAPHIC terminal only) Maintenance Clock User Manufacturer SET-POINTS PRINTER I/O MAINTENANCE CLOCK USER MANUFACTURER Possibility of modifying temperature and humidity set-points. (with printer card fitted only). Possibility of entering print settings. Possibility of displaying status of control inputs and outputs. (Password protected) Reserved for technical assistance, management of hour meters on various connected users, settings of connected probes, and if the unit is switched OFF, operation of devices in manual mode. Authorised access only. (Password protected) Reserved for user or technical assistance for management of set-points with daily or weekly management options. Authorised access only. (Password protected) Reserved for user to enter limits for humidity and temperature set-points, to adapt the control to the system. Authorised access only. (with GRAPHIC terminal only) Possibility of modifying graph parameters to improve definition. GRAPHS Reserved for the manufacturer for system configuration, with selection and activation of device functions to be controlled. Authorised access only. 45

47 Message pages The pages from each section can be accessed by pressing one or a combination of keys, as indicated in the order given below. Make use of the arrow keys to move from one page to another. The cursor is always positioned in the field at the top left of each page displayed. Press the enter key to move inside the pages between fields containing values to be configured. Press the enter key to confirm settings made. Move the cursor inside the page to the value to be modified, then use the arrow keys to set the required value; press the key with the arrow pointing upwards to increase the value, the key with the arrow pointing downwards to decrease it. If access to the various message pages is password protected, following correct entry and confirmation by pressing enter, only this user is enabled to use the arrow keys to move within the range of pages. Start ##################### Displayed for 5 seconds when the controller is switched on. During this time, the selftest program is loaded and the state of system hardware is checked. please wait ##################### START (-> represents name of page) - WAIT PLEASE - - DATA READING - Menu pages The initial menu is displayed when the controller is started up. In the event that another set of pages has been enabled, the pages of the start menu will be displayed after 120 seconds. Press the menu key to return from any page to the start menu. Menu page sequence MAIN_MASK This page displays: OEDA 100 HH U:01 M -> Model - Size - Version - Unit address - Network type Fre 10/01/00 10:20 -> Day - Day/month/year - current time T C H. 50.0% -> Current temperature - Current humidity Unit ON. -> Unit status WORK_MODE Mode running Displays current operating mode. Cool. Heat. Blackened square indicates that the function is active. Humid. Dehum. T. Battery - + Last line specifies charge level of the back-up battery (if present). 46

48 Manufacturer Parameters To access the Manufacturer parameters, press the menu and prog keys at the same time Manufacturer page sequence M_MANUF_PASS Manufact. password: Access to Manufacturer pages: contact after-sales service for the correct password 0000 M_LANGUAGE Mask language: ENGLISH Select the display language required: ITALIAN, ENGLISH, FRENCH, GERMAN M_MANUF_MENU Unit configuration General parameters Timing Mem. initializat (Unit configuration) M_MANUF_MACHINE TYPE OF UNIT: Identification of machine currently operating. Type OEDA OEDA,UEDA,OEDW,UEDW,OEDR,UEDR,OFC,UFC,EXP-A,EXP-W, (free) Model (default) Version CO (= free for configuration) CO (cold), CH (cold+hot), HH (cold+hot+humidification) Lboard1 Large board The pco2 Large board represents the possibility to select a series of signals as 14: --- Disabled --- described in the section Alarm board management. 15: --- Disabled : --- Disabled --- Lboard2 Large board 17: --- Disabled : --- Disabled --- M_MANUF_CONF1 Clock board N Enable clock : Yes-No Printer N Enable printer: Yes-No Supervisory N Enable supervisor: Yes-No M_MANUF_PROT Identif. address 001 Serial address of controller when unit is connected to a supervisor system. Protocol speed Page also displays protocol communication speed: bps. M_MANUF_CONF2 Probe abilit. Enable delivery air probe: Yes-No. Outlet air. N (present with dehumidification HUMIDITY priority and delivery temperature control) Probe abilit. Enable outlet water probe: Yes-No. Outlet water N 47

49 M_MANUF_CONF3 Probe abilit. Enable inlet water / external air probe: Yes-No. in. water/air N (present ENERGY-SAVING or FREECOOLING AIR/WATER) Probe abilit. Enable humidity probe: Yes-No. humidity N (present with HUMIDIFICATION/DEHUMIDIFICATION control) M_MANUF_CONF4 Humidifier enable Enable integrated humidifier: Yes-No integrated N Enable in case of external humidifier ON/OFF control. M_MANUF_CONF5 Economizing N Enable control for: DB= Twin Coil ; ES.= Energy-Saving ; N. heaters 0 Number of heaters controlled: BINARY N. compressors 0 Number of compressors controlled: M_MANUF_CONF5a Tamp. battery N Enable control of connected back-up battery. Tension control Power supply control. pco power supply N This function is deactivated when the controller is enabled and power is lower than XX, or activated when power is higher: Yes-No M_MANUF_CONF5b 2-3 digital outputs: Control of digital outputs 2 and 3: 2- Dehumidifier Dehumidification = indication of dehumidification operation; 3- Economiz. valve Segn. allarme temp. = indication of high or low temperature alarm Valvola ES./Freec. = ON/OFF control of Energy-saving or Free cooling valve Segn. allarme umid. = indication of high or low humidity alarm M_MANUF_CONF6 0/10V cool. valve N Enable control of cold water valve with 0/10V signal (analogue output Y1): Yes-No 0/10V heat. valve N Enable control of hot water valve with 0/10V signal (analogue output Y2): Yes-No Val.3p cold N Enable control of 3-point floating cold water valve (without compressors only): Yes- No Val.3p hot N Enable control of 3-point floating hot water valve (without heater only): Yes-No (General parameters) M_MANUF_PARAM1 Compressor with economizing operating valve N Enable compressor/s with energy-saving valve: Yes-No M_MANUF_PARAM2 Rotation comp. N Enable rotation of compressors: Yes-No Comp. for dehumid. 0 Enable compressors in dehumidification. 0 (none)-1-2 Regulation P Enable P (proportional) control; P+I=(proportional+integral). P-P+I M_MANUF_PARAM3 Logic dehumid. N Relay logic for dehumidification function: Open or Closed. NO-NC Analog output damper 00.0V M_MANUF_ANALOG2 Analog output Fan 00.0V Analog output dehumid. fan 00.0V Enable control with fixed value (0/10V) for opening air recycle damper (if present) Fixed value (0/10V) of main fan speed Fixed value (0/10V) of main fan speed during dehumidification 48

50 M_MANUF_PARAM4 Comp.1 steps without economizer: Position 00.0% Hysteresis 00.0% M_MANUF_PARAM5 Comp.2 steps without economizer: Position 00.0% Hysteresis 00.0% M_MANUF_PRAM8 Comp.1 with economizer: Position 00.0% Hysteresis 00.0% M_MANUF_PARAM9 Comp.2 with economizer: Position 00.0% Hysteresis 00.0% M_MANUF_PARAM12 Step heater 1 Compressor 1 step without energy-saving valve Compressor 2 step without energy-saving valve Compressor 1 step with energy-saving valve Compressor 2 step with energy-saving valve Heater 1 step Position 00.0% Hysteresis 00.0% M_MANUF_PARAM13 Step heater 2 Heater 2 step Position 00.0% Hysteresis 00.0% M_MANUF_PARAM14 Step heater in binary control Position 00.0% Hysteresis 00.0% M_MANUF_PARAM15 Cooling mod. valve 0/10V Start 00.0% Stop 00.0% M_MANUF_PARAM16 Heating mod. valve 0/10V Start 00.0% Stop 00.0% M_MANUF_PARAM17 Cooling 3p valve Floating Start 00.0% Stop 00.0% Binary control heater step 0/10V modulating cooling valve control 0/10V modulating heating valve control 3-point floating cold water valve control 49

51 M_MANUF_PARAM18 Heating 3p valve Floating Start 00.0% Stop 00.0% M_MANUF_PRIORIT Priority dehumidif.: 3-point floating hot water valve control Dehumidification control priority TEMPERATURE-HUMIDITY Temperature M_MANUF_PARAM19 Step humidification: Humidification step Position 00.0% Hysteresis 00.0% M_MANUF_PARAM20 Step dehumidific: Dehumidification step Position 00.0% Hysteresis 00.0% M_MANUF_PARAM21 Low limit inlet t. (stop dehumid.): Position 00.0% Hysteresis 00.0% M_MANUF_PARAM22 High limit inlet t. (stop dehumid.): Position 00.0% Hysteresis 00.0% M_MANUF_PARAM21b Low limit outlet t. (stop dehumid.): Position 00.0% Hysteresis 00.0% M_MANUF_PARAM22b High limit outlet t. (stop dehumid.): Position 00.0% Hysteresis 00.0% Stop dehumidification step with intake air temperature in case of dehumidification with TEMPERATURE priority. See above. Stop dehumidification step with delivery air temperature in case of dehumidification with HUMIDITY priority See above. M_MANUF_PARAM23 Humidifier Identification parameters of integrated humidifier. Nom. Prod. 00kg/h Nominal operating power of humidifier Voltage 000V Humidifier cylinder voltage Phase number 1 Number of power phases of humidifier cylinder M_MANUF_PARAM24 TAM model 050 Humidifier TAM model Parameter C See table in paragraph Integrated humidifier Parameter C Parameter C

52 M_MANUF_PARAM24b Manual drain H. withoutvoltage? Enable integ. humid. with heaters M_MANUF_NETMODE Local Network No No Enable draining of humidifier electrodes with or without power: Yes-No Enable integrated humidifier with heaters: Yes-No. Parameters of local network Mode RUNNING/ST-BY Operating mode of local network RUNNING/ST-BY-MASTER-SL. N. units in plan 00 Total number of units connected in network (min. 1-max. 16) M_MANUF_PARAM25 Running/Stand-By: Parameters of RUNNING/STAND-BY network Unit Stand-by n. 00 Number of units declared in Stand-by. (min. 1-max. 2) Rotation reset No Enable rotation restart M_MANUF_PARAM26 Running/Stand-By: Rotation in HOURS Rotation in hours (standard) or minutes (test). HOURS-MINUTES Rotation time 000h Rotation interval M_MANUF_PARAM27a Force ST-BY high T. Forcing of units in Stand-by mode for high intake air temperature in RUNNING/STAND- Offset 00.0 C BY configuration. Differential 00.0 C (Probe is that of machine in Stand-by) Time 000sec M_MANUF_PARAM27b Force ST-BY loew T. Forcing of units in Stand-by mode for low intake air temperature in Offset 00.0 C RUNNING/STAND-BY configuration. Differential 00.0 C (Probe is that of machine in Stand-by) Time 000sec (Timings) M_MANUF_TIME1 Delay time main fan ON. Delay time main fan OFF 000sec 000sec Minimum time for main fan start-up Minimum time for main fan shutdown M_MANUF_TIME2 Integration time Integration constant for P+I temperature control (only P+I) 000sec proportional+integral M_MANUF_TIME2a Opening time 3p cool. valve Opening time 3p heat. valve M_MANUF_TIME3 Delay on. Low Press. Delay L/H alarms temp./humi. 000sec 000sec 000sec 000sec Running time of 3-point floating cold water valve Running time of 3-point floating hot water valve Low pressure alarm delay at compressor start-up High /low temperature/humidity delay 51

53 M_MANUF_TIME4 Delay time alarm flow switch air Start Running M_MANUF_TIME4a Alarms delay Water flowswitch Start Running 000sec 000sec 000sec 000sec Air flow switch alarm delay at start-up and during normal operation Water flow switch alarm delay at start-up and during normal operation M_MANUF_TIME5 Time min. shutdown compressor 000sec Time min. starts compressor 000sec M_MANUF_TIME6 Delay between starts same comp. 000sec Delay between starts diff. comp. 000sec M_MANUF_TIME7 Delay between starts 2 unload. 000sec Dealy between starts diff. heat. 000sec Minimum compressor shutdown time Minimum compressor start-up time Minimum start-up time of same compressor Minimum start-up time between compressors. Minimum delay between two compressor steps Minimum start-up delay between heaters M_MANUF_TIME8 Maximum time activation of buzzer 000min Maximum buzzer activation time (set to 000 for buzzer constantly on) M_MANUF_TIME8 Dehumidifcation Delay switching on. compressors 000min (Unit initialisation) M_DEFAULT Press ENTER to install default values M_PASS_MANUF New Password manufacturer 0000 Entry of default parameters in back-up memory This operation cancels the current machine configuration (reconfigure machine after this operation). Enter a new password to access Manufacturer parameters. 52

54 User parameters To access the user parameters, press the prog key. User page sequence M_SERV_PASS User password Access to User pages M_PARAM_USER1 Setpoint limits Temperature: Min. Max C 00.0 C Minimum and maximum temperature settings M_PARAM_USER2 Setpoint limits Humidity: Min % Max % M_PARAM_USER3 Temperature: Minimum and maximum humidity settings Proportional band and neutral zone settings for temperature control Band Neutral Zone 00.0 C 00.0 C M_PARAM_USER4 Humidity: Proportional band and neutral zone settings for humidity control Band 00.0% Neutral zone 00.0% Set maximum production (minimum value 30%Pn, maximum value 100%Pn) as required. Production 00.0kg/h M_PARAM_USER5 Automatic relight after blakout Enable remote on./off No No Enable automatic restart after power failure: Yes-No Enable remote On/Off control by remote digital input: Yes-No M_PARAM_USER6 Offset Energy-Saving /Freecooling 00.0 C Enable temperature compensation No Offset parameter for Energy/Saving-by or Free cooling operation Enable compensation of temperature setting M_PARAM_USER8 Compensation: Setpoint Band Offset M_PARAM_USER9 Temperature alarm: Return Low thresh. High thresh C 00.0 C 00.0 C 00.0 C 00.0 C Compensation parameters High/low intake temperature alarm M_PARAM_USER10 Humidity alarm: Room: Low thresh % High thresh % High/low humidity alarm 53

55 M_PARAM_USER10a Temperature alarm: Outlet: Low 00.0 C High 00.0 C M_PARAM_USER10b Temperature alarm: ext.air/inlet water Low 00.0 C High 00.0 C High/low delivery temperature alarm (Only with delivery probe) High/low temperature inlet water/ext. air alarm M_PARAM_USER11 Temperature alarm: Outlet water Low High 00.0 C 00.0 C High/low temperature outlet water alarm M_PARAM_USER11a Maximum events N. Maximum number of high pressure switch* cut-ins before unit shutdown by HP pressostat 0 Min. 1 - max. 3 (0 = control off) Minimum time Minimum restart delay after cut-in of high pressure switch for restart 000sec M_PARAM_USER11b Maximum events N. Maximum number of low pressure switch* cut-ins before unit shutdown by LP presostat 0 Min. 1 - max. 3 (0 = control off) Minimum time Minimum restart delay after cut-in of low pressure switch for restart 000sec * Automatic reset type M_PARAM_USER11c Battery alarm Back-up battery low power alarm (as applicable) Low limit 00.0V M_PARAM_USER11d History alarms Reset (Press enter key) Last Reset date (00/00/0000) RESET_HISTORY ATTENTION: ALL ALARMS WILL BE ERASED! DO IT NOW? No N Reset alarm history: Yes-No Date of last reset. Last confirmation of alarm history reset M_PARAM_USER13 New password user: 0000 It represents the possibility to set a new password in order to enter the user parameters. 54

56 Maintenance parameters To access the Maintenance parameters, press the key with the spanner symbol. Maintenance page sequence M_VIS_TIMER1 Work hours: Operating time in hours of main fan, compressors 1-2, heaters 1-2, cold and hot Fan modulating valves, humidifier and air filter Compressor Compressor M_VIEW_TIME1 Work hours: Heater Heater M_VIEW_TIME2 Work hours:: Cold mod.valve Heat mod.valve M_VIEW_TIME3 Work hours: Humidifier Air Filter M_ACCESS_HISTOR History alarm Management Press Enter key HISTORY_AL 00/00/00 00:00 AL:00 N:000 Status NOT ACTIVE M_MAINT_PASS Assistance password: Access to maintenance assistance pages 0000 M_SEL_TIMER1 Fan: Operating time limit before maintenance Hours thr. 000 x1000 (000 = limit disabled) Reset No Hour counter reset option M_SEL_TIMER2 Compressor 1: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER3 Compressor 2: See above. Hours thr. 000 x1000 Reset No

57 M_SEL_TIMER3a Heater 1: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER3b Heater 2: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER3c Humidifier: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER3d Air filter: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER4 Cooling mod. valve: See above. Hours thr. 000 x1000 Reset No M_SEL_TIMER5 Heating mod. valve: See above. Hours thr. 000 x1000 Reset No M_CALIBRATION2 Probe adjustament: Probe configuration page Outlet Water 0.0 C Selected value is added to probe measurement Inlet Water / External Air 0.0 C M_CALIBRATION1 Probe adjustament: Return Air Outlet Air Humidity 0.0 C 0.0 C 0.0 C See above. M_MAIN_MANUAL1 MANUAL PROCEDURE (Only with unit set to OFF by keypad) M_MAUAL1 MANUAL PROCEDURE: Enable users for manual procedure. Fan Economizer valve N N 56

58 M_MAUAL3 MANUAL PROCEDURE: See above. Open cool. fl. v. Close cool. fl. v. N N M_MAUAL5 MANUAL PROCEDURE: See above. Open heat. fl. v. Close heat. fl. v. N N M_MAUAL2 MANUAL PROCEDURE: See above. Dehumidification Humidification N N M_MAUAL6 MANUAL PROCEDURE: See above. Cold valve N 00.0V Hot valve N 00.0V M_MAUAL7 MANUAL PROCEDURE: See above. Damper N 00.0V Fan N 00.0V M_MAUAL4 MANUAL PROCEDURE: See above. Potenza umidifc. Carico acqua umi. M_DISABLE_HUMID Integr. Humidifier Disabled Manual drain (120sec of timout) N N N N See above. M_NEW_PASSWORD2 New password maintenance: 0000 Printer To access the printer section, press the key with the printer symbol: Printer pages M_PRINTER Printer mangement: Repeat print Immediate print of parameters 000h N Print parameters after set time. Print parameters immediately. 57

59 I/O Press the I/O key to display the input/output pages. I/O page sequence M_SYNOTIC1 Analog inputs: Display status of inputs and outputs. Inlet temp C Value read by intake air temperature probe Outlet temp C Value read by delivery air temperature probe (if fitted) Humidity 00.0% Value of intake humidity probe (if fitted) M_SYNOTIC2 Analog inputs: Outl.Water T C Value of outlet water probe (if fitted) Inlet Water T./ Value of inlet water/external air probe (if fitted) External air 00.0 C M_SYNOTIC3a Analog inputs: Battery level 00.0V Status of back-up battery (if fitted) M_SYNOTIC3b pco Voltage 00.0 Status: OK M_SYNOTIC3 Digital inputs: Display status of digital inputs: C=Close O=open C = closed; O = open 1:CCCCCCCC 9:CCCCXC M_SYNOTIC4 Analog outputs: Display signal sent to analogue outputs (if fitted). Cooling valve 00.0V Heating valve 00.0V M_SYNOTIC4a Analog outputs: See above. Damper 00.0V Fan 00.0V M_SYNOTIC5 Digital outputs: Display status of digital outputs: C=Close O=Open C = closed; O = open 1:OOO 04:OOO 07:OOO 10:OOOO M_SYNOTIC6 Humidifier Power Fill valve Drain valve OFF OFF OFF Display status of humidifier: power contactor, cylinder load/drain solenoid valves. M_SYNOTIC7 Humidifier I measured A I target A I nominal A Display status of humidifier: measured current, required current, nominal current. 58

60 M_SYNOTIC8 Humidifier Display status of humidifier: cylinder level and conductivity. Lev. water Conduct. open 0000uS/Cm M_SYNOTIC9 Humidifier Cylinder satur. No Modality Hum. status M_VERSION CONDITIONING WITH INTEGR. HUMIDIFER Code FLAIRMCDZC Ver. X.XXX XX/XX/XX Display status of humidifier: cylinder, operating mode and humidifier status. Applicativ code. Last version and present applicativ date. Set parameters To access the set parameters, press the set key, then use the arrow keys to scroll the pages. Set page sequence M_CALC_STEP Actual setpoint: Current settings in the case of automatic variation during time band operation. Temperature 00.0 C Humidity 000.0% M_SELECT_STEP Setpoints: Select required set points. Temperature 00.0 C Humidity 000.0%?Info In the event that the network terminal is shared, use the?info key to change the readout of enabled units. Once the unit has been selected, all the standard programming operations can be performed.?info page sequence If three units are connected in a local network, the following sequence would be displayed: MAIN_MASK OEDA 100 HH U:01 M Fri 10/01/00 10:20 T. 24,0 C H. 50,0% Unit ON. MAIN_MASK OEDA 140 HH U:02 S Fri 10/01/00 10:20 T. 24,0 C H. 50,0% Unit ON. 59

61 MAIN_MASK OEDA 230 HH U:03 S Lun 10/01/00 10:20 T. 24,0 C U. 50,0% Unit ON. Clock To access the clock section, press the key with the clock symbol, set the password, then press enter to confirm. Use the arrow keys to scroll the pages. Clock pages M_REG_CLOCK Clock adjustament Hour 00:00 Date 00/00/00 Day Fri. M_CLOCK_PASS Clock password: Internal clock settings (if enabled): current hour, date and day of the week Access to clock pages 0000 M_DAILY_TEMP Enable automatic variable of temperature setpoint M_DAILY_HUMID Enable automatic variation of humidity setpoint M_ACTIVE Select mode Daily/Weekly DAILY M_SELECT_DAY Weekly settings: N N Enable automatic adjustment of temperature set point: Yes-No Enable automatic adjustment of humidity set point: Yes-No Enable DAILY or WEEKLY variation. See paragraph Clock settings. Set day of the week for operation. M_DAILY_MODE Working with fix temperature setpoint Fixed temperature operation M_DAILY1_TEMP Temperature time-zone n.1: Start hour 00:00 Setpoint 00.0 C Enable time band 1: start time and temperature setting. End of the time band is the start of the next. 60

62 M_DAILY2_TEMP Temperature time-zone n.2: Start hour 00:00 Setpoint 00.0 C M_DAILY3_TEMP Temperature time-zone n.3: Start hour 00:00 Setpoint 00.0 C M_DAILY4_MODE Temperature time-zone n.4: Start hour 00:00 Setpoint 00.0 C M_DAILY_MODE2 Working with fix humidity setpoint See above. See above. See above. Fixed humidity operation M_DAILY_HUMID1 Humidity time-zone n.1: Start hour 00:00 Setpoint 000.0% M_DAILY_HUMID2 Humidity time-zone n.2: Start hour 00:00 Setpoint 000.0% M_DAILY_HUMID3 Humidity time-zone n.3: Start hour 00:00 Setpoint 000.0% M_DAILY_HUMID4 Humidity time-zone n.4: Start hour 00:00 Setpoint 000.0% Enable time band 1: start time and humidity setting. End of the time band is the start of the next. See above. See above. See above. M_NEW_PASSWORD New password Clock:

63 Alarms When an alarm is detected, the general alarm relay is energised, the alarm key turns red, the controller sets off a siren and the letters AL are displayed in the top right corner of all pages. Press the alarm key once to silence the alarm siren, twice to display the active alarm page. To remove the alarm page from the display (if alarm situation is not simply informative), eliminate the cause to close the relative digital input, then press the alarm key again. The alarm relay is energised until this operation has been completed and all alarms have been removed. Alarm page sequence M_NO_ALARM No alarm Active No alarm is currently active. AL_1 AL01 00:00 00/00/00 High pressure circuit 1 alarm or compressor 1 general alarm. HP 1 Alarm (Comp.1 general) This alarm will immediately shut down compressor 1. AL_2 AL02 00:00 00/00/00 High pressure circuit 2 alarm or compressor 2 general alarm. HP 2 Alarm (Comp.2 general) This alarm will immediately shut down compressor 2. AL_3 AL03 00:00 00/00/00 Low pressure circuit 1 alarm. LP1 Alarm This delayed alarm will cause compressor 1 to shut down. AL_4 AL04 00:00 00/00/00 Low pressure circuit 2 alarm. LP2 Alarm This delayed alarm will cause compressor 2 to shut down. AL_5 AL05 00:00 00/00/00 No air flow alarm. Serious alarm Air Flow switch This alarm is delayed at fan start-up and shuts down the machine to shut down. (Unit OFF) AL_6 AL06 00:00 00/00/00 Fan overload alarm (fan overload switches are connected in series) Serious alarm Main Fan Overload This alarm will immediately shut down the machine. (Unit OFF) AL_7 AL07 00:00 00/00/00 Heater 1 overload alarm. Overload Ele.resistor 1 This alarm will immediately shut down heater 1. AL_8 AL08 00:00 00/00/00 Heater 2 overload alarm. Overload Ele.resistor 2 This alarm will immediately shut down heater 2. 62

64 AL_9 AL09 00:00 00/00/00 Smoke/fire alarm Serious alarm Fire / Smoke This alarm will immediately shut down the machine. (Unit OFF) AL_10 AL10 00:00 00/00/00 Air filter clogged alarm Air filter Alarm AL_11 AL11 00:00 00/00/00 High intake temperature alarm High alarm Inlet temp. AL_12 AL12 00:00 00/00/00 Low intake temperature alarm Low alarm Inlet alarm AL_13 AL13 00:00 00/00/00 High humidity alarm High alarm Humidity AL_14 AL014 00:00 00/00/00 Low humidity alarm Low alarm Humidity AL_15 AL15 00:00 00/00/00 High delivery temperature alarm High alarm Outlet temp. AL_16 AL16 00:00 00/00/00 Low delivery temperature alarm Low alarm Outlet temp. During dehumidification with HUMIDITY priority, this alarm will immediately shut down cooling, heating and humidifier operation (if enabled). During dehumidification with HUMIDITY priority, this alarm will immediately shut down cooling and humidifier operation (if enabled). AL_17 AL17 00:00 00/00/00 Compressor 1 has exceeded operating time limit. Hours alarm Operat. comp.1 AL_18 AL18 00:00 00/00/00 Compressor 2 has exceeded operating time limit. Hours alarm Operat. comp.2 63

65 AL_19 AL19 00:00 00/00/00 Main fan has exceeded operating time limit. Hours alarm fan work AL_20 AL20 00:00 00/00/00 Intake air temperature probe faulty or disconnected alarm Temperature probes Inlet Air Faulty or offline AL_21 AL21 00:00 00/00/00 Delivery air temperature probe faulty or disconnected alarm Temperature probes Outlet Air Faulty or offline AL_22 AL22 00:00 00/00/00 Outlet water temperature probe faulty or disconnected alarm Temperature probes Inlet Air Faulty or offline AL_23 AL23 00:00 00/00/00 Inlet water/external air temperature probe faulty or disconnected alarm Temperature probes Inlet Water/Ext. Air faulty or offline AL_24 AL24 00:00 00/00/00 Humidity probe faulty or disconnected alarm Humidity probe not working or offline AL_25 AL25 00:00 00/00/00 High current in humidifier cylinder alarm High current (See paragraph Integrated humidifier ). into humidifier AL_26 AL26 00:00 00/00/00 No current in humidifier cylinder alarm Lack water (See paragraph Integrated humidifier ). into humidifier AL_27 AL27 00:00 00/00/00 No current in humidifier cylinder alarm Lack current (See paragraph Integrated humidifier ). into humidifier AL_28 AL28 00:00 00/00/00 Clock board faulty or disconnected alarm Clock board not working or offline AL_29 AL29 00:00 00/00/00 Back-up memory fault alarm EEPROM error (tamp. mem.) Call Assistance 64

66 AL_30 AL30 00:00 00/00/00 Inlet water/exterior air high temperature alarm High temp. alarm Ext.air/Inlet Water AL_31 AL31 00:00 00/00/00 Inlet water/exterior air low temperature alarm Low temp. alarm Ext.air/Inlet Water AL_32 AL32 00:00 00/00/00 Water flow switch alarm Alarm (Not applicable in DB configuration) Water flowswitch AL_35 AL35 00:00 00/00/00 Outlet water high temperature alarm High alarm outlet water temp. AL_36 AL34 00:00 00/00/00 Outlet water low temperature alarm Low alarm outlet water temp. AL_37 AL37 00:00 00/00/00 Flooding sensor alarm Serious alarm Floading This alarm will immediately shut down the machine. (Unit OFF) AL_38 AL38 00:00 00/00/00 Back-up battery low level alarm Low battery level AL_39 AL39 00:00 00/00/00 Heater 1 has exceeded operating time limit. Hours alarm work heater 1 AL_40 AL40 00:00 00/00/00 Heater 2 has exceeded operating time limit. Hours alarm work heater 2 AL_41 AL41 00:00 00/00/00 Allarm signal on exceeding humidifier working hours. Hours alarm Work humidifier 65

67 AL_42 AL42 00:00 00/00/00 Cold water valve has exceeded operating time limit. Hours alarm work cool. mod. valve AL_43 AL43 00:00 00/00/00 Hot water valve has exceeded operating time limit. Hours alarm work heat. mod. valve AL_44 AL44 00:00 00/00/00 Air filter has exceeded operating time limit. Hours alarm work air filter AL_45 AL45 00:00 00/00/00 Signal of low tension alarm in the control energy supply. Voltage Supplay 66

68 Database of supervisor variables The variables listed below are transmitted between the I/O board and the supervisor, provided that: - the serial board is fitted in the connector on the interface; - the supervisor function is enabled in the window CONFIGURATION 2 (protected by Manufacturer password); - the address of the unit has been correctly specified to the supervisor network in the window USER 12 (protected by user password); -devices (supervisor and pco2) have been correctly connected to the network. Digital variables Address Description Type Communication type 1 Compressor 1 general alarm digital input Digital Reading 2 Compressor 2 general alarm digital input Digital Reading 3 Low pressure circuit 1 alarm digital input Digital Reading 4 Low pressure circuit 2 alarm digital input Digital Reading 5 Air filter alarm digital input Digital Reading 6 Fan overload cutout alarm digital input Digital Reading 7 Air flow switch alarm digital input Digital Reading 8 Remote ON/OFF control Digital Reading 9 Heater 1 overload cutout alarm digital input Digital Reading 10 Heater 2 overload cutout alarm digital input Digital Reading 11 Smoke/Fire alarm digital input Digital Reading 12 Dehumidification Digital Reading 13 Unit ON /OFF Digital Reading 14 Energy saving Digital Reading 15 Humidification/Humidifying power contact Digital Reading 16 Compressor 1 step phases / Integrated humidifier charge Digital Reading 17 Compressor 2 step phases / Integrated humidifier discharge Digital Reading 18 3p cold water valve opening contact Digital Reading 19 3p cold water valve closing contact Digital Reading 20 3p hot water valve opening contact Digital Reading 21 3p hot water valve closing contact Digital Reading 22 General alarm Digital Reading 23 Compressor 1 general alarm Digital Reading 24 Compressor 2 general alarm Digital Reading 25 Low pressure circuit 1 alarm Digital Reading 26 Low pressure circuit 2 alarm Digital Reading 27 Air flow switch alarm Digital Reading 28 Fan overload cutout alarm Digital Reading 29 Heater 1 overload alarm Digital Reading 30 Heater 2 overload alarm Digital Reading 31 Smoke/Fire alarm Digital Reading 32 Air filter alarm Digital Reading 33 High room temperature alarm Digital Reading 34 Low room temperature alarm Digital Reading 35 High room humidity alarm Digital Reading 36 Low room humidity alarm Digital Reading 37 Compressor 1 working hours alarm Digital Reading 38 Compressor 2 working hours alarm Digital Reading 40 Fan working hours alarm Digital Reading 43 Water outlet high temperature alarm Digital Reading 44 Water outlet low temperature alarm Digital Reading 45 Ambient temperature probe failure alarm Digital Reading 46 Delivery air temperature probe failure alarm Digital Reading 47 Water outlet temperature probe failure alarm Digital Reading 48 External air temperature probe disconnected alarm Digital Reading 49 Humidity probe failure alarm Digital Reading 51 EPROM fault alarm Digital Reading 53 Temperature control type Digital Writing / Reading 55 Humidity probe enable Digital Writing / Reading 67

69 Address Description Type Communication type 56 Water outlet probe enable Digital Writing / Reading 57 External air probe enable Digital Reading 58 Water inlet probe enable Digital Writing / Reading 59 Delivery air probe enable Digital Writing / Reading 60 Binary heater combination enable Digital Reading 61 0/10V modulating cold water valve enable Digital Writing / Reading 62 Energy saving enable Digital Writing / Reading 63 Simultaneous operation of compressors with 0/10V valve enable Digital Writing / Reading 64 0/10V modulating hot water valve enable Digital Writing / Reading 65 Step enable Digital Writing / Reading 66 Compressor rotation enable Digital Writing / Reading 67 Compressor 1 dehumidification enable Digital Reading 68 Compressor 2 dehumidification enable Digital Reading 71 Temperature time band enable Digital Writing / Reading 73 ON/OFF from supervisor enable Digital Writing / Reading 74 3p cold water valve enable Digital Reading 75 3p hot water valve enable Digital Reading 76 Manual procedure enable Digital Reading 77 Machine shutdown alarm status Digital Reading 78 Humidity time band enable Digital Writing / Reading 80 Humidifier high current alarm Digital Reading 82 Humidifier water low alarm Digital Reading 83 Humidifier current low alarm Digital Reading 90 Integrated humidifier alarm Digital Reading 100 Internal supervisor variable for version check Digital Reading Whole variables Address Description Type Communication type 10 Start of cold water ramp 0-10V modulating valve Whole Writing / Reading 11 End of cold water ramp 0-10V modulating valve Whole Writing / Reading 12 Start of hot water ramp 0-10V modulating valve Whole Writing / Reading 13 End of hot water ramp 0-10V modulating valve Whole Writing / Reading 16 Compressor 1 step without energy saving Whole Writing / Reading 17 Compressor 1 hysteresis without energy saving Whole Writing / Reading 18 Compressor 2 step without energy saving Whole Writing / Reading 19 Compressor 2 hysteresis without energy saving Whole Writing / Reading 22 Compressor 1 step with energy saving Whole Writing / Reading 23 Compressor 1 hysteresis with energy saving Whole Writing / Reading 24 Compressor 2 step with energy saving Whole Writing / Reading 25 Compressor 2 hysteresis with energy saving Whole Writing / Reading 26 Interval between activation of same compressor Whole Writing / Reading 28 Low pressure alarm delay Whole Writing / Reading 29 Minimum shutdown time Whole Writing / Reading 30 Interval between activation of different compressors Whole Writing / Reading 31 No. heaters Whole Writing / Reading 32 No. compressors Whole Writing / Reading 33 High/Low temperature/humidity alarm delay Whole Writing / Reading 34 Heater activation interval Whole Writing / Reading 38 Step 1 without energy saving Whole Writing / Reading 39 Hysteresis step 1 without energy saving Whole Writing / Reading 40 Step 2 without energy saving Whole Writing / Reading 41 Hysteresis step 2 without energy saving Whole Writing / Reading 44 Step 1 with energy saving Whole Writing / Reading 45 Hysteresis step 1 with energy saving Whole Writing / Reading 46 Step 2 with energy saving Whole Writing / Reading 47 Hysteresis step 2 with energy saving Whole Writing / Reading 48 Integration time Whole Writing / Reading 68

70 Address Description Type Communication type 50 Fan operating hours limit Whole Writing / Reading 51 Compressor 1 operating hours limit Whole Writing / Reading 52 Compressor 2 operating hours limit Whole Writing / Reading 54 Start of 3p cold water valve ramp Whole Writing / Reading 55 End of 3p cold water valve ramp Whole Writing / Reading 56 Start of 3p hot water valve ramp Whole Writing / Reading 57 End of 3p hot water valve ramp Whole Writing / Reading 58 3p valve fully opening time Whole Writing / Reading 59 Fan activation delay Whole Writing / Reading 61 Cold water valve ramp limit Whole Reading 62 Hot water valve ramp limit Whole Reading 63 Upper section fan operating hours complete Whole Reading 65 Upper section compressor 1 operating hours complete Whole Reading 66 Upper section compressor 2 operating hours complete Whole Reading 67 Lower section fan operating hours complete Whole Reading 68 Lower section compressor 1 operating hours complete Whole Reading 69 Lower section compressor 2 operating hours complete Whole Reading Analogue variables Address Description Type Communication type 1 Ambient temperature Analogue Reading 2 Ambient humidity Analogue Reading 3 Water outlet temperature Analogue Reading 4 External air temperature Analogue Reading 5 Delivery air temperature Analogue Reading 6 Dead zone in temperature Analogue Writing / Reading 7 Ambient humidity range Analogue Writing / Reading 8 Ambient humidity set point Analogue Writing / Reading 9 Low temperature alarm offset Analogue Writing / Reading 10 High temperature alarm offset Analogue Writing / Reading 11 Low humidity alarm offset Analogue Writing / Reading 12 High humidity alarm offset Analogue Writing / Reading 13 Ambient temperature set point Analogue Writing / Reading 17 Ambient temperature range Analogue Writing / Reading 18 Low water temperature limit Analogue Writing / Reading 19 High water temperature limit Analogue Writing / Reading 69

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72 BLUE BOX Condizionamento AIR BLUE Air Conditioning BLUE FROST Refrigeration are trademarks of the BLUE BOX GROUP BLUE BOX GROUP s.r.l. Via E. Mattei, Piove di Sacco PD Italy Tel Fax Technical data may change without notice A02 Issue / Supersedes ISO 9001 Cert. N.0201