REVERSO Instructions of use and maintenance page 2 Electric and refrigerating diagrams page 3 Manual of the thermostat page 4-6 Spare parts page 7 Rue Charles Hermite Z.I. des Sables BP 59 54110 Dombasle sur Meurthe France tel : (+33) 03 83 45 82 82 - fax : (+33) 03 83 45 82 93 e-mail : commercial.vcs@vauconsant.com export@vauconsant.com 1
INSTRUCTION OF USE AND MAINTENANCE GENERAL POINT Refrigerating components Well : Refrigeration by a ventilated evaporator located in the well. Well bain-marie pulsated air One or two stainless steel resistance shield with blades, located in a box. Option crawl heating halogen Heating and lighting by halogen lights. Lighting Lighting by fluorescent tube. Controls A 4 positions switch to select the function mode desired. Froid : High precision control by thermostat Dixell XR40 with digital display ( to refer to the note of the thermostat provided hereafter ). Chaud : High precision control by thermostat Dixell XT110C with digital display ( to refer to the note of the thermostat provided hereafter ). Halogen lamp : Variator Fluorescent tub : a switch on/off Controls located on the control s panel Protection By main power fuse holder. INSTALLATION To set up the drop-in unit Settle the black neoprene watertight joint on the perimeter of the drop-in unit before the definitive installation. To embed the well ventilated in cutting envisaged. Electric connection Before plugging in the unit, control imperatively the voltage rating : it should be the same voltage as indicated on the unit. The electric power line providing the refrigerated unit with electricity should be protected by a differential circuit breaker located on the main electric distribution panel. To connect the incoming line to the fuse holder located in the electric box. To connect the plug of the self evaporating tray. Compressor connection To connect the refrigerating circuit, in accordance with the refrigerating diagram, provided hereafter. To connect the two strikers by tighten with adequate spanner, the tightening became hard during the impact of the strikers, the tightening must be continued to have a good airtightness. A wrong tighten of the strikers can generate a flight of the refrigerating gas and failure of the equipment. It is recommended to check the airtightness of the strikers with detector of flight, after the tighten of the strikers. To set up the self evaporating tray The self evaporating tray must be placed under the unit, at the place designed, by means of the clips initially installed. The installation twist of the self evaporating tray must be connected to the plug of the electric box, according the standard of unit, the twist of the self evaporating tray can be situed in the face or in the back of the unit. Astainless steel sheet deflector located in the self evaporating tray, allow to direct the water vapour. The sheet must be located in the middle of the self evaporating tray ( the same distance in each side). The deflector must be located to have the good direction of the inclination, like described in the following diagram. deflector UTILISATION To put into service Powering up the unit two hours before usage. Switch on the function mode desired : Chilled ventilated air function, Hot ventilated air function, Dry Bain Marie function. The corresponding thermostat turn on. The thermostat is adjusted in the factory after testing. When the desired temperature is obtained, the power unit automatically turns off. Positionner le commutateur sur la position 0 pour arrêter le fonctionnement du reverso. Dry Bain-marie function 150 mm deep gastronorm GN 1/1 trays should be used. With the parameters programs in factory, the food s temperature is maintened above +65 C which is the minimum temperature defined by Health Departments. To be able to hold this temperature, it is essential to bring food to a temperature ranging between +70 C and +80 C. Lightning Press the switch on/off to turn on or turn off the lighting Turn to the right the variator to turn on the halogen lamps. Adjusting the thermostat Refer to the manual for details. Automatic defrosting This function is programmed in the thermostat/ Adjusted in the factory: the defrosting engages every hour throughout one ten maximum minute. To modify the adjustment, refer the manual of the thermostat. Cleaning To be performed when the unit is shut down (the unit is turned off). Once a day, wash the top, the refrigerated well and the external sides of the unit. Use a sponge moistened with a soapy water or special cleaning products to clean the stainless steel. Rinse off with water. Dry preferably with lint-free cotton cloths. Do not use floor cleaning products or acids, even diluted, chlorinated or scouring products, which may cause corrosion to stainless steel. Do not use any abrasive products (steel wool, etc ). Do not clean the refrigerated unit by spraying with water, using a soap gun, or under high pressure jets. MAINTENANCE The installer should check all the electric connections during the initial start up of the unit (and then once a year). Clean the condenser every six months. Grease the condenser blower shaft once a year. 2
ELECTRIC DIAGRAM REFRIGERATING DIAGRAM CAPTION DIAGRAMS B Ballast Rb Self-evaporating tray heating element C Compressor Rd Defrost heating element Ca Capillary Sf Starter Cd Condensor Sn Level probe D Relief valve St Atmosphere temperature probe Dh Drier Tb Safety thermostat for self evaporating tray E Evaporator Tf Fluorescent tub I 4 positions switch Tr Thermostat XR40 Kb Self evaporating tray relay Ts Safety Thermostat Kd Defrost relay V Well ventilator Lh Halogen lamp Va Variator Q Fuse holder Vc Condensor fan R Heating element 3
MANUAL OF THERMOSTAT XW40L Please read this manual before using 1.AVERTISSEMENT Warning: disconnect all electrical connections before any kind of maintenance. The instrument must not be opened. In case of failure or faulty operation send the instrument back to the distributor or to with a detailed description of the fault. 2.DESCRIPTION Model XW40L is microprocessor based controllers suitable for applications on medium or low temperature refrigerating units. They are provided with 3 relay outputs to control compressor, defrost - which can be either electrical or hot gas - and the lights. They are also provided with 1 NTC or PTC probe inputs, for temperature control. The regulation is performed according to the temperature measured by the thermostat probe with a positive differential from the set point: if the temperature increases and reaches set point plus differential the compressor is started and then turned off when the temperature reaches the set point value again. 3.KEYBOARD To display and modify target set point; in programming mode it selects a parameter or confirm an operation. By holding it pressed for 3s when max or min temperature is displayed it will be erased. To see the max. stored temperature; in programming mode it browses the parameter codes or increases the displayed value. By holding it pressed for 3s the fast freezing cycle is started. To see the min stored temperature; in programming mode it browses the parameter codes or decreases the displayed value. By holding it pressed for 3s the defrost is started. Switch ON and OFF the light of the cold-room. Switch ON and OFF the instrument. KEY COMBINATIONS + + + To lock and unlock the keyboard. To enter the programming mode. To exit the programming mode. 3.1 To lock and unlock the keyboard HOW TO LOCK THE KEYBOARD Keep the and the keys together for more than 3 s. The "POF" message will be displayed and the keyboard is locked. At this point it is only possible the viewing of the set point or the MAX or Min temperature stored and to switch ON and OFF the light, the auxilary output and the instrument. HOW TO UNLOCK THE KEYBOARD Keep the and the keys pressed together for more than 3 s. The "POn" message will be displayed and the keyboard is unlocked. 3.2 Meaning of the LED Each LED function is described in the following table : LED MODE FONCTION ON The compressor is running Flashing Programmation phase ( flashing with Anti-short cycle delay enabled ) ON The fan is running. Flashing Programmation phase ( flashing with ) ON The defrost is enabled. Flashing Drip time in progress ON The fast freezing cycle is enable Alarm signal ON In Pr2 indicates that the parameter is also present in Pr1 ON The light is on 3.3 How to see the min temperature Press and release the n key. The Lo message will be displayed followed by the minimum temperature recorded. By pressing the n key or waiting for 5s the normal display will be restored. 3.4 How to see the max temperature Press and release the o key. The Hi message will be displayed followed by the maximum temperature recorded. By pressing the o key or waiting for 5s the normal display will be restored. 3.5 How to reset the max and min temperature recorded To reset the stored temperature, when max or min temperature is displayed, press SET key until rst label starts blinking. N.B. : After the installation RESET the temperature stored. 3.6 How to see and modify the set point Push and immediately release the SET key: the display will show the Set point value. The SET LED start blinking. To change the Set value push the or arrows within 10s. To memorise the new set point value push the SET key again or wait 10s. 3.7 To start a manual defrost Push the DEF key for more than 2 seconds and a manual defrost will start. 3.8 To enter in parameters list Pr1 To enter the parameter list Pr1 (user accessible parameters) operate as follows: Enter the Programming mode by pressing the Set and DOWN key for few seconds ( and start blinking). The instrument will show the first parameter present in Pr1. 4
3.9 To enter in parameters list Pr2 To reach the parameters present in "Pr2" (parameters accessible to the technicians), please contact, which will deliver you the secret code making it possible to reach these parameters. 4. ALARM SIGNALS Message Cause Output "P1" "HA" "LA" "EE" Thermostat probe failure Maximum temperature alarm Minimum temperature alarm Data or memory failure Alarm output ON; Compressor output according to parameters COn and COF Alarm output ON; Other outputs unchanged Alarm output ON; Other outputs unchanged Alarm output ON; Other outputs unchanged The alarm message is displayed until the alarm condition is recovery. All the alarm messages are showed alternating with the room temperature except for the P1 which is flashing. To reset the EE alarm and restart the normal functioning press any key, the rst message is displayed for about 3s. 4.1 EE alarm The instruments are provided with an internal check for the data integrity. Alarm EE flashes when a failure in the memory data occurs. In such cases the alarm output is enabled. 4.2 Alarm recovery Probe alarms P1 (probe1 faulty), P2 ; they automatically stop 10s after the probe restarts normal operation. Check connections before replacing the probe. Temperature alarms HA and LA automatically stop as soon as the thermostat temperature returns to normal values or when the defrost starts. 5. PARAMETERS PROGRAMS IN FACTORY Parameter Name Default Set Set point 2 Hy Differential 1 AC Anti-short cycle delay 1 res Resolution (integer/decimal point) de tdf Defrost type re dte Defrost termination temperature 1 IdF Interval between defrost cycles 1 MdF (Maximum) length for defrost 4 ALU MAXIMUM temperature alarm 8 ALL Minimum temperature alarm 2 ot Thermostat probe calibration 6 P2P Evaporator probe presence n Adr Address series (unused) 1 P2r Access parameter list ( read only) 1 5
MANUAL OF THERMOSTAT XT110C Please read this manual before using 1.AVERTISSEMENT Warning: disconnect all electrical connections before any kind of maintenance. The instrument must not be opened. In case of failure or faulty operation send the instrument back to the distributor or to with a detailed description of the fault. 2.GENERAL DESCRIPTION The XT110C and XT111C are single-stage ON/OFF controllers for temperature, humidity and pressure applications with direct or inverse action, user-selectable. The analogue input type can be set by parameter between the following, according to the model: - PTC, NTC; - PTC, NTC, Pt100, Thermocouple J, K, S; 4 20mA, 0 1V, 0 10V. 3.FRONT PANEL COMMAND SET: To display and modify target set point; in programming mode it selects a parameter or confirm an operation. TO SWITCH THE INSTRUMENT ON/OFF: If the function is enabled (par. onf=yes), by pressing the SET key for more than 4s the controller is switched OFF. To switch the instrument on again press the SET key. o UP: in programming mode it browses the parameter codes or increases the displayed value. Hold it pressed for a faster change n DOWN: in programming mode it browses the parameter codes or decreases the displayed value. Hold it pressed for a faster change KEY COMBINATIONS: o + n To lock & unlock the keyboard. SET + n To enter in programming mode. SET + o To return to the room temperature display. 3.1 Use of LEDs Each LED function is described in the following table : LED MODE FUNCTION ON Output relay enabled LED1 Flashing - Programming Phase (flashing with LED2) LED2 Flashing - Programming Phase (flashing with LED1) E.S. ON Energy saving activated by digital input ON - ALARM signal - In Pr2 indicates the parameter is also present in Pr1 3.2 To see the set point Push and release the SET key to see the Set point value To come back to the normal display push again the SET key or wait 10s. 3.3 To change the set point Hold pushed the SET key for 3s to change the Set point value The value of the set point will be displayed and the LED1 & 2 start blinking To change the Set value push the o or n arrows within 10s. To memorise the new set point value push the SET key again or wait 10s. 3.4 To enter the parameters list PR1 Push for 3s the SET + n keys (LED1 & 2 start blinking). The controller will display the first parameter present in the Pr1 menu. 3.5 How to change a parameter - Enter the Programming mode - Select the required parameter. - Press the SET key to display its value. - Use UP or DOWN to change its value. - Press SET to store the new value and move to the following parameter. TO EXIT: Press SET + UP or wait 15s without pressing a key. NOTE: the set value is stored even when the procedure is exited by waiting the time-out to expire. 3.6 How to lock the keyboard Keep pressed together for more than 3s the the o and n keys, till the POF message will be displayed. 3.7 To unlock the keyboard Keep pressed together for more than 3s the the o and n keys, till the Pon message will be displayed. 4.ALARM SIGNALS Message Cause Outputs PFo Probe broken or absence Alarm output ON; Output according to parameter So1 PFc Probe short circuited Alarm output ON; Output according to parameter So1 HA Maximum alarm Alarm output ON; Other outputs unchanged. LA Minimum alarm Alarm output ON; Other outputs unchanged. EAL External alarm Output unchanged. bal Serious external alarm Output OFF. 5. PARAMETERS PROGRAMS IN FACTORY Parameter 40 C 80 C Set 40 80 Hy1-1 -1 LS1 20 20 US1 50 90 S1C In In Ac 0 0 OPb 25 25 6
SPARE PARTS Length of the unit Code Item 870 1350 1550 1900 02.4250 Jack with gas Adlin X X X X 06.1188 Safety Thermostat X X X X 06.3410 Tangential Ventilator Ebmpapst réf. 4656 ZWU X X X X 06.4806 Starter for fluorescent tub X X X X 12.0268 Thermostat Dixell XR40C X X X X 06.1234 Thermostat Dixell XT110C X X X X 06.1072 4 positions switch X X X X 06.0706 Resistance with blades length 415 mm power 750 W X X 06.0702 Resistance with blades length 300 mm power 500 W X 06.0710 Resistance with blades length 625 mm power 1250 W X 12.2518 Evaporator length 580 X 12.2520 Evaporator length 900 X 12.2522 Evaporator length 1230 X 12.2524 Evaporator length 1550 X Option crawl heating halogen 06.0622 Halogen lamp power 200W X X X X 06.0620 Aluminium reflector X X X X 06.0625 Protective glass + fixing X X X X 06.1520 Variator X X X X Lighting 06.1005 Orange indicator switch X X X X 06.4778 Fluorescent tub 436 mm 12 W X 06.4782 Fluorescent tub 893 mm 30 W X 06.4784 Fluorescent tub 966 mm 36 W X 06.4786 Fluorescent tub 1196 mm 36 W X 06.4810 Ballast 15 W X 06.4811 Ballast 30 W X 06.4812 Ballast 36 W X X SAV Francis LECOMTE Fax : 03 83 45 82 75 e-mail : sav@vauconsant.com 7