Advantage III. Gold Series by Ebtron. Installation Guide GTM116-B

Transcription

1 Gold Series Thermal Dispersion Airflow Measurement Technology Model GTM116-B Installation Guide Advantage III Gold Series by Ebtron Installation Guide GTM116-B Plug & Play Transmitter with Bleed Airflow Sensors, Combination Ethernet Network Output and Dual Analog Output Document Name: IG_GTM116-B_R1B LISTED European Union Shipments BACnet is a registered trademark of ASHRAE. ASHRAE does not endorse, approve or test products for compliance with ASHRAE standards. Compliance of listed products to the requirements of ASHRAE Standard 135 is the responsibility of BACnet International (BI). BTL is a registered trademark of BI. Models GTC116 and GTM116 Part Number B 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

2 Table of Contents 1 GTM116 TRANSMITTER INSTALLATION GTM116 Mechanical Dimensions GTM116 TRANSMITTER INTERIOR VIEW/FEATURES GTM116 TRANSMITTER POWER AND SENSOR CONNECTIONS Power Transformer Selection Connecting Power to the Transmitter Connecting Bleed Sensors to the Transmitter GTM116 ANALOG OUTPUT AND NETWORK CONNECTIONS GTM116 ANALOG OUTPUT WIRING GTM116 ETHERNET NETWORK WIRING CONNECTIONS GTM116 Connecting to an Ethernet Network GTM116 Transmitter Setup for Ethernet Network Operation GTM116 Selecting Static or Dynamic IP Settings GTM116 Setting Ethernet Transmitter IP Address GTM116 Setting Subnet Mask GTM116 Setting Gateway IP GTM116 Setting BACnet Protocol Mode GTM116 Setting Device Instance Number GTM116 Resetting Communications Options to Factory Default Values GTM116 TRANSMITTER START UP, INITIALIZATION AND SETUP MENUS Changing the System of Units IP or SI Units GTM116 Transmitter Calibration GTM116 LCD Display Notifications Factory Default Menu Settings for GB1 Bleed Sensors GTM116 Changing Factory Default Setup Menu Settings Setup Menu Options Selecting Airflow or Pressure Measurement Type Selecting Actual and Standard Output Measurement Type Output Scaling Locking the Configuration Settings GTM116 Alarm Features Average Alarm (AO2 ASGN=ALRM) Trouble Alarm (AO2 ASGN=TRBL) No Fault (NO FAULT=HI) Alarm Indications Low Alarm LO ALRM= ON High Alarm HI ALRM= ON Trouble Alarm AO2 ASGN=TRBL GTM116 Analog Output Type Selection and Setup GTM116 Converting Analog Output Signal Values to Airflow and Temperature GTM116 AO1/AO2 OUTPUT TEST Sending a Test Output Signal to the Host Control System Viewing Sensor Data Viewing Sensor Data on the Local LCD Display Viewing Sensor Data via BACnet, Modbus networks or via EB Link Reader Sensor Addressing SETUP MENUS WIRING DIAGRAM APPENDIX A ADVANTAGE 3 BLEED SENSOR SETUP MENUS APPENDIX B GTC116 WIRING DIAGRAM Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

3 List of Figures Figure 1. GTM116 Mechanical Dimensions... 4 Figure 2. GTM116 Transmitter Interior View/Features... 5 Figure 3. Connecting Power to the Transmitter... 6 Figure 4. Type B Transmitter Connector Panel Detail... 7 Figure 5. Connector Detail... 7 Figure 6. GTM116 Combination Analog/Ethernet Transmitter Interior Detail... 8 List of Tables Table 1. GTM116 Power Transformer Selection Guide... 6 Table 2. GTM116 TCP/IP Example Table 3. GTx116 B BACnet Objects List Table 4. GTx116 B Modbus Register Map Table 5. Standard IP and SI Menu Units Abbreviations Table 6. Factory Default Menu Settings Table 7. GTM116 Alarm Types and Notifications Table 8. GTM116 Converting Analog Output Values to Airflow/Temperature Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 3

4 1 GTM116 TRANSMITTER INSTALLATION The GTM116 transmitter is designed for use in an environment between 20 F to 120 F ( 28.8 C to 48.8 C) where it will not be exposed to rain or snow. Install transmitter upright and in a field accessible location. The enclosure accepts 1/2 in. (12.7 mm) electrical fittings for signal and power wiring at both sides at the top of the enclosure. Locate the transmitter so that the connecting cables from all of the bleed sensors will reach the receptacles on the bottom of the transmitter enclosure.!! In locations exposed to direct rain and/or snow, the transmitter must be enclosed in a NEMA4 enclosure. Leave unobstructed space of at least 9 in. (228.6 mm) above, 2 in. (50.8 mm) to each side and 3.5 in. (88.9 mm) below the transmitter to allow for cover removal, sensor connections and heat dissipation.!! Locate the transmitter in a location that can be reached by all connecting cables from the bleed sensors. Do not drill into the transmitter enclosure since metal shavings could damage the electronics. 1.1 GTM116 Mechanical Dimensions 1.38 [35.05 [34.93 mm] Ø.88 O.88 [Ø22.23 [O22.35 mm] PROVIDE 9 INCH MINIMUM CLEARANCE AT TOP FOR COVER ACCESS (SLIDE UP TO REMOVE). Ø.19 O.19 [O4.83 [Ø4.76 mm] 8.69 [ mm] 7.94 [ [ mm] 7.19 [ [ mm] PROVIDE 2 INCH MINIMUM CLEARANCE AT BOTH SIDES OF ENCLOSURE.75 [19.05 mm] PROVIDE 3.5 INCH MINIMUM CLEARANCE AT BOTTOM FOR CONNECTOR ACCESS [39.67 [39.62 mm] 2.50 [63.50 mm] NOTES: 1) MEASUREMENTS IN BRACKETS ARE IN MILLIMETERS. 2) IF UNIT HAS 2 PROBE CONNECTIONS THEN IT IS A TYPE "A" UNIT. IF UNIT HAS 4 PROBE CONNECTIONS THEN IT IS A TYPE "B" UNIT..38 [9.53 [9.65 mm] SEE NOTE [ [ mm] 5.94 [ [ mm] 6.69 [ [ mm] Figure 1. GTM116 Mechanical Dimensions Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

5 2 GTM116 TRANSMITTER INTERIOR VIEW/FEATURES Output signal terminals (Note: The output function is dependent on which network card is installed) LCD contrast Transmitter status LED (Green 1 second flash normal; 2 second flash for fault) High accuracy A/D converter Gold plated interconnects to optional output cards Power switch Switching power supply conserves energy and reduces heat Pushbutton interface simplifies field configuration (Note: devices are plug and play and generally do not require configuration.) Expansion port Multiplexers independently measure sensor voltages from 1 up to 16 sensing points Positive locking cable receptacles with gold interconnects Gold plated interconnects to sensor input receptacles Figure 2. GTM116 Transmitter Interior View/Features 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 5

6 3 GTM116 TRANSMITTER POWER AND SENSOR CONNECTIONS 3.1 Power Transformer Selection Select a 24 VAC transformer based on the maximum power requirements indicated on the transmitter label (16 VA) or from the table below. The operating supply voltage (transmitter power ON with all sensor probes connected) should not be less than 22.8 VAC or greater than 26.4 VAC. Table 1. GTM116 Power Transformer Selection Guide Total Sensors Minimum VA Req. Total Sensors Minimum VA Req Connecting Power to the Transmitter Connect 24 VAC power to the large, two position power input terminal labeled POWER on the upper right hand side of the main circuit board (Figure 3). Since the output signals are isolated from the power supply, it is not necessary to provide an isolated (secondary not grounded) power source.! Multiple GTM116 transmitters wired to a single transformer must be wired in phase (L1 to L1, L2 to L2). Power Fuse Replace with UL listed, 1.5 amp, fast acting only P.N (10 pack) L2 L1 24 VAC Input Power 22.8 to 26.4 VAC 20 VA max. Power Switch OUTPUT 1 2 COM POWER 24VAC IN L2 L1 ON REPLACE WITH 1.5 AMP FAST ACTING ONLY OFF Figure 3. Connecting Power to the Transmitter Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

7 3.3 Connecting Bleed Sensors to the Transmitter After installing the sensors and transmitter, connect each of the bleed sensor cable plugs to the circular receptacles located at the bottom of the GTM116 transmitter enclosure. Bleed sensors are Plug and Play and do not have to be connected to a specific receptacle on the transmitter unless traverse data is desired (see note below). Transmitters accept only GP1 and GB1 sensors.!!!! Provide a drip loop at the transmitter if there will be the potential for water runoff or condensation along the bleed sensor cable(s). Bleed sensor cable plugs are keyed as shown below. Line up plug with receptacle and push straight on to receptacle. DO NOT TWIST. Squeeze cable plug ribs towards receptacle when removing. Forcing the cable plug in or out of the receptacle will damage the connectors and void warranty. When traverse data is desired (especially when using the EB Link Reader), bleed sensors should be installed and connected to the transmitter using the mounting convention specified in the separate GP1/GB1 sensor probe Installation Guide. Proper installation simplifies sensor location decoding during data analysis. Type B TRANSMITTER Accepts 1 to 4 bleed airflow sensors Figure 4. Type B Transmitter Connector Panel Detail SQUEEZE SQUEEZE RECEPTACLE SQUEEZE LOCKING TABS LOCKED INTO UNDERCUT IN RECEPTACLE Figure 5. Connector Detail Squeeze and then pull to remove DO NOT TWIST! 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 7

8 4 GTM116 ANALOG OUTPUT AND NETWORK CONNECTIONS This section contains analog and network output wiring instructions for the GTM116 transmitter with Ethernet and Dual Analog outputs. 4.1 GTM116 ANALOG OUTPUT WIRING Analog output connections are made at the top left of the transmitter main circuit board OUTPUT connector as shown in Figure 6. Independent linear analog outputs are provided for airflow or equivalent differential pressure at OUTPUT terminal 1, and for temperature (or alarm) at OUTPUT terminal 2, each with over voltage and over current protection. Airflow and temperature outputs are field selectable for either 0 5/0 10VDC or 4 20 ma. The OUTPUT terminal 2 can be assigned as an Alarm output to provide an active high, active low or trouble alarm output. Outputs are galvanically isolated from the main power supply to permit simple integration with virtually all building automation systems.! When configured for 4 20mA output, the GTM116 is a 4 wire device. The host controls shall not provide any excitation voltage to the output of the GTM116. For the analog outputs, shielded cable is recommended. To wire the analog outputs, slide the cover plate up and off of the enclosure. Ensure that the power switch is in the OFF position. Connect signal wires for airflow rate (or equivalent differential pressure) and temperature (or alarm) to the small, three position output terminal labeled OUTPUT on the upper left hand side of the main circuit board as shown in Figure 6. ACTIVITY TRAFFIC LINK Figure 6. GTM116 Combination Analog/Ethernet Transmitter Interior Detail D2 D3 D4 ANALOG OUTPUT 1: Airflow/Differential 1: Pressure 2: Temperature/Alarm 2: Temperature/Alarm COM: Common (RJ-45 COM: Ethernet Common output below) (RJ45 Ethernet output below) OUTPUT 1 2 COM POWER 24VAC IN L2 L1 ON Power Switch LCD Display Transmitter Transmitter health/status Status LED (Green 1 second flash normal; 2 second flash for trouble) SW1 (for OUT1) Airflow Output Signal Select SW2 (for OUT2) Temp./Alarm/Trouble Output Signal Select VDC: (0-5/0-10 VDC) or ma: 4-20 ma Analog Output Fuses F1=OUT1 F2=OUT2 UL listed Amp P.N (Qty:10) CONTRAST ESC F1 OUT 1 VDC ma OUT 2 F2 REPLACE WITH 1.5 AMP FAST ACTING ONLY ETHERNET 10/100 ENTER OFF ACTIVITY (green) indicates Ethernet output board health/status (Green 1 second flash normal; 2 second flash for fault) TRAFFIC (green) indicates ethernet traffic LINK (green) indicates ethernet link status RJ45 Ethernet Output (For Analog Output, see separate output above) Combination Analog/ Ethernet Output Board P.N Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

9 4.2 GTM116 ETHERNET NETWORK WIRING CONNECTIONS GTM116 Connecting to an Ethernet Network Connect an Ethernet network cable to the RJ45 network connector provided on the GTM116 Ethernet/Analog combination board as shown in Figure GTM116 Transmitter Setup for Ethernet Network Operation The user can manually select network protocol (BACnet/IP or BACnet Ethernet MODBUS TCP is always enabled), IP address and device instance number, or can set the GTM116 to automatically configure itself when used on a network/segment with a DHCP server. By default, the DHCP setting is OFF (*DHCP=OFF) for manual device configuration, with BACnet IP protocol (BAC MODE=IP), a static IP address of , a subnet mask of , and with gateway set for These values can be changed within the NETWORK sub menu as described below. When IP configuration is complete, confirm communications locally by pinging" the assigned GTM116 IP address and observing 5 rapid blinks of the ACTIVITY LED (Figure 6) GTM116 Selecting Static or Dynamic IP Settings For automated device configuration on a network/segment with a properly operating DHCP server, go to the NETWORK Menu settings, set *DHCP=ON, set *BAC MODE= for BACnet/IP (factory default) or BACnet Ethernet operation, and set *DI= device instance number (factory default=2) as described below. No additional configuration is required. For manual device configuration of the GTM116, set NETWORK menu item *DHCP=OFF (factory default). When manually changing IP settings (*DHCP=OFF), the display will blink the 3 digit address segment that is under change. Change the blinking segment by pressing the UP or DOWN buttons to arrive at the desired segment setting. Depress the ENTER key to set this segment and to move the blinking cursor to the next (right) segment. Repeat this until the last segment has been selected, and then depress ENTER to store the new address setting GTM116 Setting Ethernet Transmitter IP Address The GTM116 is factory set with an IP address of Each transmitter must be assigned a unique address on the network/segment it is connected to. To change the IP address in the NETWORK menu, navigate to the *IP= item, and set segments as previously described. (See note above regarding *DHCP=OFF) GTM116 Setting Subnet Mask To change this value, navigate to the *MASK= NETWORK menu item, and set new segment values as previously described. (See note above regarding *DHCP=OFF) GTM116 Setting Gateway IP To change this value, navigate to the *GATE= NETWORK menu item, and set new segment values as previously described. (See note above regarding *DHCP=OFF) GTM116 Setting BACnet Protocol Mode The GTM116 is factory set with *BAC MODE=IP for BACnet IP protocol operation. This NETWORK menu item can be changed to *BAC MODE=ETH for BACnet Ethernet protocol. Tables 3, 4 and 5 provide details of TCP/IP, BACnet Objects and Modbus Register Maps respectively. Note that Modbus IP is always enabled regardless of *BAC MODE setting. NOTE: For BACnet IP operation, use port For Modbus TCP operation, use port 502. Modbus IP is always enabled regardless of the *BAC MODE setting GTM116 Setting Device Instance Number The GTM116 is factory set with a Device Instance Number of 2 (*DI=2). The Device Instance Number can be set to any value between 0 and as shown in Appendix A. The Device Instance Number can also be changed by writing to the Device Object's Object Identifier Property over the network Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 9

10 4.3.7 GTM116 Resetting Communications Options to Factory Default Values Communications options can be reset to factory default values (asterisk) * values within the NETWORK menu through the GTM116 RESET NET menu. TCP/IP (or your custom IP address) Table 2. GTM116 TCP/IP Example GTM Data Parameter Flow Pressure Temperature Value Analog Inputs Type, ID Name Default Units Device GTM116 AI, 1 Average Flow CFM AI, 2 Average Pressure iwg AI, 3 Average Temperature F AI, 4 Alarm Status 0: No alarm, 1: High Alarm, 2: Low Alarm, 3: Both BACnet MS/TP NOTE: For GTM116 BACnet IP operation, use port Function Address Type Units Description Range/Value Boolean Trouble Status 0:OK, 1:Trbl float FPM Average Airflow -3,000 to 3, float iwg Average Pressure -2.5 to float F Average Temperature -20 to word Number of Inserts 0to word Alarm Status 0: No alarm 1: High Alarm 2: Low Alarm 3: Both word Connector C1 Sensors 0to word Connector C2 Sensors 0to word Connector C3 Sensors 0to word Connector C4 Sensors 0to Airflow Flow Traverse -3,000 to 3, float FPM Insert 1 Flow 4 4 Table 3. GTx116 B BACnet Objects List Table 4. GTx116 B Modbus Register Map Insert 4 Flow Temperature Traverse float F Insert 1 Temp Insert 16 Temp Analog Values AV, 1 Area sq.ft. AV, 2 Traverse Data Status 0=Disabled, 1=Flow, 2=Temp, 3=Both AV, 3 Flow Traverse FPM AV, 18 Flow Traverse FPM AV, 19 Temperature Traverse F AV, 34 Temperature Traverse F Notes: 1. Flow and Temp traverse must be enabled through AV2. 2. User Executed Services Supported: Subscribe COV, Read Property, Write Property, Device Communication Control, Who-Is. -20 to float Sq.Ft. Area word Float word order 0 to 100 0: high word first; 1: low word first NOTE: For GTM116 Modbus operation, use port 502. Modbus IP is always enabled regardless of *BAC MODE setting Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

11 5 GTM116 TRANSMITTER START UP, INITIALIZATION AND SETUP MENUS To ensure a successful start up, verify that the bleed sensors and transmitter are installed in accordance with guidelines.! Check the physical installation, power connections and model specific signal wiring prior to turning the power switch to the ON position. Move the power switch to the ON position. The transmitter executes a complete self check each time the power is turned on that takes 10 seconds to complete. 5.1 Changing the System of Units IP or SI Units The GTM116 transmitter is provided with the system of units set to IP. To change to SI units, simultaneously press and release the ENT and ESC buttons during normal operation. IP/SI UNITS will be indicated on the LCD display. Refer to Appendix A SYSTEM OF UNITS MENU for details on the System of Units menu. Note that Setup Menu items are shown in IP System Of Units. When SI System of Units is selected, the units of measure abbreviations used in the menus is shown in Table 5. Table 5. Standard IP and SI Menu Units Abbreviations IP System of Units Description SI System of Units Description FPM Feet per minute MPS Meters per second CFM Cubic feet per minute LPS Liters per second SQF Square feet SQM Square meters F Fahrenheit C Celsius iwg Inch of Water Gauge PA Pascal 5.2 GTM116 Transmitter Calibration The GTM116 uses high quality industrial grade components and is designed for years of trouble free operation. Periodic recalibration of the transmitter is neither required or recommended. Transmitter field calibration verifiers are available for purchase from for installations requiring periodic validation of instrumentation. Contact for more information. 5.3 GTM116 LCD Display Notifications Following a brief initialization at power up, the LCD display automatically displays airflow and temperature with units of measurement in all upper case (caps) characters. The display provides additional information on system status and alarm conditions. Refer to the ALARM FEATURES section of this manual for additional detail on Alarm and Trouble Error code indications Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 11

12 5.4 Factory Default Menu Settings for GB1 Bleed Sensors The GTM116 transmitter is plug and play and does not require setup unless a network option is selected that requires configuration. Table 6 shows the factory default settings for all compatible sensor probes. To change the Factory Default Settings, see: CHANGING FACTORY DEFAULT SETUP MENU SETTINGS. Table 6. Factory Default Menu Settings Display Description I-P S.I. AIRFLOW= Airflow measurement method, Actual or Standard. ACT ACT *LCDU/M= Airflow units of measure AFPM MPS *AREA= Free area where station is located (required for volumetric measurement) 0.00 sq.ft sq.meters *AO1 SGNL= Output 1 signal type voltage or ma (airflow) ma ma *AO1 UM= Output 1 units of measure AFPM AMPS *AO1 MS= Output 1 signal minimum scale 0 FPM 0 MPS *AO1 FS= Output 1 signal full scale 3,000 FPM 25 MPS *MEAS= Display and output measurement type (airflow or pressure) AIRFLOW AIRFLOW *FLOW ADJ= Output 1 Offset-Gain On/Off Off Off *GAIN= Output 1 Gain factor *OFF= Output 1 Offset factor *AO2 SGNL= Output 2 signal voltage or ma (temperature or alarm) ma (see alarms) ma (see alarms) *AO2 MS= Output 2 signal minimum scale -20º F -30º C *AO2 FS= Output 2 signal full scale 160º F 70º C *LCD INTG= Number of flow calculations to be averaged for LCD display *AO1 INTG= Number of flow calculations to be averaged for AO1 output *EB-LK INT= Number of flow calculations to be averaged for EB-Link readings *ALT= Altitude for flow correction relative to mean sea level (0 ft). 0 ft 0 m *AO2 ASGN = *AO2 ASGN = TEMP Output 2 Assigned Type is Temperature TEMP TEMP *SETPNT= Alarm setpoint value. For AO2 ASGN=ALARM, operates in conjunction 0 0 with TOL=value. *TOL= Alarm range tolerance value. For AO2 ASGN=ALARM, this setting 0 0 establishes the alarm range relative to the SETPNT= value. *NO FAULT= Sets the AO2 normal (not alarm) output state relative to the full scale HI HI analog output selected. HI provides maximum full scale under normal conditions and minimum scale during alarm. LO provides minimum full scale under normal conditions and maximum scale during alarm. *DELAY= Time that the alarm condition must exist before alarm output is activated. 2 minutes 2 minutes *RESET = Set to AUTO to have alarm self-clear when alarm condition no longer exists. Set to MANUAL to require manual reset of alarm. AUTO AUTO Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

13 5.5 GTM116 Changing Factory Default Setup Menu Settings Setup Menu Options The GTM116 Transmitter is setup and tested at the factory to be fully operational when sensors are connected and power is applied (set the power switch to the ON position). Factory settings can easily be changed using the SETUP MENU by simultaneously pressing and releasing the UP and DOWN buttons while the transmitter is in its normal operating mode. Appendix A details the SETUP menus. Navigate through the SETUP menus to make changes to the transmitter configuration. The settings take effect immediately. The following are common field modifications to the factory default settings Selecting Airflow or Pressure Measurement Type The transmitter is set from the factory to provide airflow measurement with both LCD and analog output units in FPM. If desired, the output can be set to provide pressure measurement with both LCD and analog output units in iwg by engaging the MEAS= menu item, and selecting 'PRESS' Selecting Actual and Standard Output Measurement Type The transmitter is set from the factory to provide actual airflow measurement units (displayed as ACFM and AFPM ). In this mode, airflow measurements are calculated for actual airflow conditions. If using actual airflow, corrections for altitude are entered through the ALT= setting in the Setup menu. If desired, the output can be set to provide standard airflow measurement units (displayed as SCFM and SFPM) which provides measurements that are corrected to standard conditions Output Scaling s Gold Series sensors are individually calibrated between 0 and the factory default full scale to standards traceable to the National Institute of Standards and Technology (NIST). Sensors are independent and produce percent of reading accuracy. Changing the full scale value does not change the accuracy of the device. Factory default analog output scaling can be changed within the SETUP menus Locking the Configuration Settings The GTM116 transmitter configuration settings can be locked at one of three security levels within the SECURITY submenu using the LOCK SEC= item. When LOW security level is selected (LOCK SEC=LOW) the last 4 digits of the board serial number are automatically assigned as the lock code. To see the board serial number, navigate to DIAGNOSTICS menu in SERIAL NUMBERS item. When the MED security level is selected (LOCK SEC=MED) the user enters and confirms a security code. In the event that this code is lost/misplaced, can provide a key that is unique to the transmitter to unlock it. Contact customer service for this code. When the HIGH security level is selected (LOCK SEC=HIGH) the user enters and confirms a security code. In the event that this code is lost/misplaced, the transmitter must be returned to the factory in order to unlock it.! When LOCK SEC=HIGH is selected, the user defined setting can only be changed after entering the user defined code. STORE THE LOCK CODE IN A SAFE LOCATION! For security reasons, the HIGH level lock code can only be reset by returning the transmitter to the factory Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 13

14 5.6 GTM116 Alarm Features Analog output AO2 (OUT2) can be assigned to function as an alarm output. The AO2 alarm output can be assigned in the SETUP menu to operate as an alarm for average airflow or pressure depending on MEAS= setting (A02 ASGN=ALRM) or as a trouble alarm (AO2 ASGN=TRBL) for monitoring the status of the transmitter and sensors. The AO2 ASGN= setting is located in the ANALOG OUT submenu of the SETUP menu. The transmitter LCD display will indicate the Alarm status for 2 seconds, and will cycle through any other alarms if multiple alarm events are active for 2 seconds each, and then display the current actual flow for 2 seconds. Detailed set up of the Alarm features is shown in the Setup menu Average Alarm (AO2 ASGN=ALRM) AO2 output is assigned as an average airflow alarm output. Useful for applications where a low flow alarm, a high flow alarm for operation outside of a defined range (setpoint and tolerance) is required Trouble Alarm (AO2 ASGN=TRBL) AO2 output is assigned as a transmitter trouble alarm indicating a fault within the transmitter or a sensor of the airflow measurement system. The transmitter LCD will indicate a trouble code and a brief description of the trouble. Contact customer service for additional information or assistance with trouble codes No Fault (NO FAULT=HI) When AO2 output is assigned as an alarm, this setting configures the normal output condition to be HI or LO relative to the full scale analog output level selected when no fault condition exists Alarm Indications Table 7 details the alarm types, LCD indications and AO2 alarm output indications. User can select either or both of the two Average Alarms or the Trouble Alarm: Low Alarm LO ALRM= ON The Low Alarm is activated when the average airflow falls below a selected set point (SETPNT=) tolerance (TOL=) value. Once active, the alarm can be cleared when the average airflow rises above the set point tolerance value High Alarm HI ALRM= ON The High Alarm is activated when the average airflow rises above a selected set point (SETPNT=) + tolerance (TOL=) value. Once active, the alarm can be cleared when the average airflow falls below the set point + tolerance value Trouble Alarm AO2 ASGN=TRBL The Trouble alarm provides trouble codes useful for isolating setup issues or problems within the transmitter or sensors. The transmitter LCD will indicate TROUBLE! regardless of whether AO2 is assigned to TRBL. The Diagnostic submenu can be engaged for the error code and a brief description of the trouble. Contact customer service for information on troubleshooting using the Trouble error codes. Table 7. GTM116 Alarm Types and Notifications ALARM OUTPUT ASSIGNMENT TYPE **LOW ALARM** (Average Alarm) **HIGH ALARM** (Average Alarm) TROUBLE! (Trouble Alarm) LOCAL LCD DISPLAY OF ALARM TYPE AND NOTIFICATION Display alternates between **LOW ALARM** (then any other alarms) and actual reading for 2 seconds each. Display alternates between **HIGH ALARM** (then any other alarms) and actual reading for 2 seconds each. Display indicates TROUBLE! (Refer to DIAGNOSTIC menu to obtain a brief description of the error and any other alarms). ANALOG OUTPUT 2 ALARM INDICATION On alarm or trouble, OUT2 is active high (or active low) relative to the full scale maximum (or minimum) analog value as determined by the SETUP Menu NO FAULT= selection. Individual sensor velocities can be viewed using the Diagnostics submenu. NETWORK ALARM INDICATION Alarm Status is available at BACnet Objects and Modbus Registers. Refer to BACnet Objects List and Modbus Register Map for additional detail Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

15 5.7 GTM116 Analog Output Type Selection and Setup The analog output signal type at AO1 (OUT1, airflow) and AO2 (OUT2, temperature/alarm) can be set for ma or VDC output by setting switches SW1/SW2 (Figure 6) and by selecting the 4 20mA, 0 5 VDC or 0 10VDC ranges in the ANALOG OUT sub menu options *AO1 RNGE= / *AO2 RNGE= settings. The transmitter is shipped from the factory with SW1/SW2 and Setup menu options *AO1 RNGE= and *AO2 RNGE= set for 4 20mA GTM116 Converting Analog Output Signal Values to Airflow and Temperature Table 8 lists specific conversion equations for analog voltage or current output options GTM116 AO1/AO2 OUTPUT TEST Sending a Test Output Signal to the Host Control System A test output signal between 0 and 100% of the full scale output (4 20 ma or 0 5VDC/0 10VDC) can be provided by the GTM116 transmitter to verify proper conversion of the output signals from the transmitter at the host control system. To set a fixed output signal for airflow and temperature, navigate to the OUTPUT TEST submenu in the TOOLS menu. OUT1 and OUT2 tests are independently accessed, and the output will maintain the % selected until the ESC button is pressed and normal operation resumes. Table 8. GTM116 Converting Analog Output Values to Airflow/Temperature When OUTPUT 1 is Configured as Airflow (FPM, MPS) or Pressure (iwg, PA): ANALOG OUTPUT SCALING AND TYPE TO CONVERT TO Airflow (FPM, MPS) or Differential Pressure (iwg, Pa) 0-10 VDC 0-5 VDC 4-20 ma Output Voltage/10 * (FS1 - MS1) + MS1 Output Voltage/5 * (FS1 - MS1) + MS1 (Output Current-4)/16 * (FS1 - MS1) + MS1 TO CONVERT TO Differential Pressure (iwg) from Airflow (FPM) Airflow (FPM) from Differential Pressure (iwg) Differential Pressure (iwg) = Airflow (FPM) ^2/(2232^2) Airflow (FPM) = 2232 * (Differential Pressure (iwg) ^0.5) When OUTPUT 2 is Configured as Temperature ( F, C): ANALOG OUTPUT SCALING AND TYPE 0-10 VDC 0-5 VDC 4-20 ma TO CONVERT TO Temp ( F, C) Output Voltage/10 * (FS2 - MS2) + MS2 Output Voltage/5 * (FS2 - MS2) + MS2 (Output Current - 4)/16 * (FS2 - MS2) + MS2 NOTES: FS1 is AO1 full scale analog output value from ANALOG OUT MENU. FS2 is AO2 full scale analog output value from ANALOG OUT MENU. MS1 is AO1 minimum scale analog output value from ANALOG OUT MENU. MS2 is AO2 minimum scale analog output value from ANALOG OUT MENU Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 15

16 5.8 Viewing Sensor Data Viewing Sensor Data on the Local LCD Display Airflow and temperature of individual sensors can be displayed on the local LCD display by entering the Diagnostic Menu. Simultaneously depress the up and down arrows to enter the GTM116 SETUP menu, and then navigate to the Diagnostic submenu Viewing Sensor Data via BACnet, Modbus networks or via EB Link Reader Airflow and temperature of individual sensors can be read across BACnet or Modbus networks, or downloaded directly to an EB Link Reader if the infra red EB Link option has been installed. Refer to the following Sensor Addressing paragraph for the suggested probe installation configuration. Tables 3 and 4 provide BACnet objects and register addressing information for individual sensor data Sensor Addressing The bleed sensors are addressed in order from left to right from C1 to C4 based on the connector on the transmitter. The left most connector is C1. 6 SETUP MENUS Appendix A details the various setup menus and submenus. 7 WIRING DIAGRAM Appendix B is the wiring diagram for the GTM116 transmitter Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

17 APPENDIX A ADVANTAGE 3 BLEED SENSOR SETUP MENUS SYSTEM OF UNITS MENU Simultaneously depress/release ENTER + ESC keys during normal operation to select * Factory Default/Current Setting Enter (move ) Enter (move ) Enter (action, move ) Esc (normal oper.) Esc (move ) Esc (move ) ACTION *IP/SI=IP SYS SET IP/SI? IP/SI=IP SYS IP/SI=SI SYS Set system of units to I-P (FPM, CFM, sq.ft., F) or Set system of units to S.I. (MPS, LPS, sq.m., C). NOTE: Changing IP/SI SYS resets alarm settings and scaling values. SETUP MENU Simultaneously depress/release + keys during normal operation to select * Factory Default/Current Setting Enter (move ) Enter (move ) Enter (move ) Enter (move ) Enter (action, move ) Esc (normal oper.) Esc (move or prev setting) Esc (move or prev setting) Esc (move ) Esc (move ) ACTION SETUP GENERAL *NAME={unit serial#} SET NAME? Instruction text: "USE AND ENT" then: NAME= _ Custom LCD Flow Text: Blinking prompt at position of the selected character. Character is selected using the up and down arrows and then ENTER to accept and move cursor forward (right); ESC moves the cursor back (left). Use space characters for blank or unwanted text. *MEAS=AIRFLOW SET MEAS? MEAS=AIRFLOW Set measurement mode to AIRFLOW MEAS=PRESS Set measurement mode to PRESSURE if MEAS=AIRFLOW *AIRFLOW=ACT SET AIRFLOW? AIRFLOW=ACT Set the airflow measurement to ACTUAL units (AFPM/ACFM) AIRFLOW=STD Set the airflow measurement to Standard units (SFPM/SCFM) Only when AIRFLOW=ACT *ALT=0 SET ALT? ALT=0 Set the altitude above sea level for flow correction: 0 to 18,000 ft. if MEAS=AIRFLOW *AREA=0.00 SET AREA? AREA=0.00 Enter area *ON FAIL=LO SET ON FAIL? ON FAIL=LO Sets transmitter analog output state in the event of a major fault (all sensor failure) expressed as HI for full scale analog output or LO as minimum scale analog output. ON FAIL=HI *EXT CABLE=0 SET EXT CABLE? EXT CABLE=0 Enter length of extension cable if MEAS=AIRFLOW DISPLAY *LCD UM=AFPM SET LCD UM? LCD UM=AFPM LCD UM=ACFM Set LCD units of measure to CFM or FPM. (Note: A if ACT or S if STD measurement prefix set by AIRFLOW= setting above) if MEAS=PRESS *LCD UM=iWG LCD UM FIXED The text "LCD UM FIXED" flashes to indicate that this setting is fixed and cannot be modified. *LCD DSPL=BOTH SET LCD DSPL? LCD DSPL=OFF Set what is displayed on LCD. LCD DSPL=TEMP if MEAS=AIRFLOW: LCD DSPL=FLOW if MEAS=PRESS: LCD DSPL=PRESS LCD DSPL=BOTH *LCD INTG=100 SET LCD INTG? LCD INTG=100 Integration samples for LCD *LCD TRBL=ON SET LCD TRBL? LCD TRBL=OFF Set whether or not TROUBLE will display on LCD during a trouble condition. O O TO PART 5 'A' TO PART 2 LCD TRBL=ON 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 17

18 FROM PART 1 O Analog cards only if MEAS=AIRFLOW ANALOG OUT *AO1 ASGN=FLOW AO1 ASGN FIXED The text "AO1 ASGN FIXED" flashes to indicate this setting is fixed and cannot be modified. if MEAS=PRESS *AO1 ASGN=PRESS AO1 ASGN FIXED The text "AO1 ASGN FIXED" flashes to indicate this setting is fixed and cannot be modified. *A01 SGNL=mA SET SW1 ON PCB Display initially shows the current SW1 PCB switch setting (VDC or ma) for AO1. Pressing enter displays "SET SW1 ON PCB" prompt to confirm SW1 PCB setting. if AO1 SGNL=mA *AO1 RNGE=4-20 AO1 RNGE=FIXED The text "AO1 RNGE=FIXED" flashes to indicate this setting is fixed and cannot be modified. if AO1 SGNL=VDC *AO1 RNGE=0-10 SET AO1 RNGE? AO1 RNGE=0-10 Set analog output range (VDC) for AO1. AO1 RNGE=0-5 if MEAS=AIRFLOW *AO1 UM=AFPM SET AO1 UM? AO1 UM=AFPM Set AO1 units to FPM or CFM (Note: A if ACT or S if STD measurement prefix set by AIRFLOW= setting above) AO1 UM=ACFM if MEAS=PRESS *AO1 ASGN=iWG AO1 UM FIXED The text "AO1 UM FIXED" flashes to indicate that this setting is fixed and cannot be modified. if MEAS=AIRFLOW *AO1 MS=0 SET AO1 MS? AO1 MS=0 Set AO1 minimum scale *AO1 FS=3000 SET AO1 FS? AO1 FS=3000 Set AO1 full scale if MEAS=PRESS *AO1 MS= SET AO1 MS? AO1 MS= Set AO1 minimum scale *AO1 FS=0.25 SET AO1 FS? AO1 FS=0.25 Set AO1 full scale *AO1 INTG=30 SET AO1 INTG? AO1 INTG=30 Integration samples. Also same as network integration. *AO2 ASGN=TEMP SET AO2 ASGN? AO2 ASGN=TEMP AO2 output is assigned as temperature output. AO2 ASGN=ALRM AO2 ASGN=TRBL AO2 output is assigned as an airflow alarm output. Refer to ALARM settings (part 4). AO2 output is assigned as a transmitter trouble alarm indicating that a sensor or transmitter fault has occurred. *A02 SGNL=mA SET SW2 ON PCB Display initially shows the current SW2 PCB switch setting (VDC or ma) for AO2. Pressing enter displays "SET SW2 ON PCB" prompt to confirm SW2 PCB setting. if AO2 SGNL=mA *AO2 RNGE=4-20 AO2 RNGE=FIXED The text "AO2 RNGE=FIXED" flashes to indicate this setting is fixed and cannot be modified. if AO2 SGNL=VDC *AO2 RNGE=0-10 SET AO2 RNGE? AO2 RNGE=0-10 Set analog output range (VDC) for AO2. AO2 RNGE=0-5 if AO2 CFG=TEMP *AO2 UM= F AO2 UM FIXED The text "AO2 UM FIXED" flashes to indicate this setting is fixed and cannot be modified. *AO2 MS=-20 SET AO2 MS? AO2 MS=-20 Set AO2 minimum scale *AO2 FS=160 SET AO2 FS? AO2 FS=160 Set AO2 full scale O TO PART 3 if AO2 CFG=ALRM or TRBL *NO FAULT = HI SET NO FAULT? NO FAULT = HI NO FAULT = LO Sets AO2 alarm/trouble output state when no fault condition is present, expressed as HI (full scale analog output) or LO (minimum scale analog output) Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

19 FROM PART 2 O GTC only GTC configuration NETWORK *NETOUT=BACNET SET NETOUT? NETOUT=BACNET Set network protocol type NETOUT=MODBUS *NETADDRESS= 2 SET NETADDRESS? NETADDRESS=2 Enter network address *NETBAUD=76800 SET NETBAUD? NETBAUD=76800 Set network baud rate. NETBAUD=38400 NETBAUD=19200 NETBAUD=9600 Option for MODBUS only *PARITY=EVEN SET PARITY? PARITY=EVEN Set MODBUS parity type. PARITY=ODD PARITY=NONE1 PARITY=NONE2 Option for BACNET only *NETDI=2 SET NETDI? NETDI=2 Set network device instance number. GTM only GTM configuration NETWORK *DHCP=OFF SET DHCP? DHCP=OFF Set DHCP to ON or OFF. DHCP=ON *IP= SET IP? Enter IP address, use (up/down arrow) buttons to select value and press ENT to move to right and ESC to move to left. *MASK= SET MASK? Enter subnet mask, use (up/down arrow) buttons to select value and press ENT to move to right and ESC to move to left. *GATE= SET GATE? Enter gateway IP address, use (up/down arrow) buttons to select value and press ENT to move to right and ESC to move to left. *BACNET=IP SET BACNET? BACNET=IP Set BACnet IP or Ethernet protocol BACNET=ETH *NETDI=2 SET NETDI? NETDI=2 Set network device instance number. EB-LINK O TO PART 4 *EB-LK INTG=300 SET EB-LK INTG? EB-LK INTG=300 EB-Link integration samples 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 19

20 FROM PART 3 O ALARM *LO ALRM=OFF SET LO ALRM? LO ALRM=OFF Enable/disable LO alarm. LO ALRM=ON *HI ALRM=OFF SET HI ALRM? HI ALRM=OFF Enable/disable HI alarm. HI ALRM=ON if MEAS=AIRFLOW *ALRM UM=AFPM SET ALRM UM? ALRM UM=AFPM Set alarm units of measure to FPM or CFM (Note: A if ACT or S if STD measurement prefix set by AIRFLOW= setting above) ALRM UM=ACFM if MEAS=PRESS *ALRM UM=iWG ALRM UM FIXED The text "ALRM UM FIXED" flashes to indicate this setting is fixed and cannot be modified. *SETPNT=0 SET SETPNT? SETPNT=0 Enter setpoint for alarm *TOL=0 SET TOL? TOL=0 Enter tolerance as value above or below alarm setpoint. Units based on ALARM UM. *DELAY=2 MIN SET DELAY? DELAY=2 MIN Enter alarm delay O TO PART 5 'B' *RESET=AUTO SET RESET? RESET=AUTO Set alarm RESET. AUTO will clear once the alarm is not active. MANUAL requires user to clear alarm by depressing the ESC key, or for RS485 (GTC/GTM models) output, write 0 to corresponding alarm BACnet object or Modbus register. Alarm will only clear when alarm is not RESET=MANUAL active Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

21 FROM PART 1 FROM PART 4 5A 5B if MEAS=AIRFLOW ADJUSTMENTS *FLOW ADJ=OFF SET FLOW ADJ? FLOW ADJ=OFF Enable/disable flow adjustments. FLOW ADJ=ON *GAIN=1.000 SET GAIN? GAIN=1.000 Enter gain applied to airflow reading *OFF=0 SET OFF? OFF=0 Enter offset applied to airflow reading if MEAS=PRESS *PRESS ADJ=OFF SET PRESS ADJ? PRESS ADJ=OFF Enable pressure adjustments PRESS ADJ=ON *GAINP=1 SET GAINP? GAINP=1.000 Enter gain applied to pressure reading *OFFP=0 SET OFFP? OFFP=0 Enter offset applied to pressure reading GTC, GTM models only TOOLS OUTPUT TEST OUT1 TEST% SET OUT1 TEST%? OUT1 TEST%=0 Set OUT1 to % of full scale analog output OUT2 TEST% SET OUT12TEST%? OUT2 TEST%=0 Set OUT2 to % of full scale analog output if MEAS=AIRFLOW FIELD ADJUST RUN FA WIZARD? SET FAW INT? FAW INT=300 SET # OF FLOWS # OF FLOWS=1 # OF FLOWS=2 The Field Adjust Wizard will now be engaged as outlined in the following steps. The GAIN and OFF values will be updated, and FLOW ADJ=ON will be set if the wizard is successfully completed. Dashed lines indicate Menus when # OF FLOWS=2 SET FLOW1? ENSURE THAT FAN IS ON AND SET TO DESIRED SPEED! SET FLOW2? ENSURE THAT FAN IS ON AND SET TO DESIRED SPEED! FLOW1= 0 (Set 0 to using the keys) FLOW2= 0 (Set 0 to using the keys) Wait...% ADJUSTMENT COMPLETE Wait...% ADJUSTMENT COMPLETE "Wait... %" indicates progress while the Field Adjustment Wizard acquires a large number of samples of airflow rate and averages all of the readings. Display indicates "ADJUSTMENT COMPLETE" when adjustment is complete. If you wish to review the adjustment made, simply navigate back to the SETUP menu and view the ADJUSTMENTS section. if MEAS=PRESS RUN FA WIZARD? SET FAW INT? FAW INT=300 SET # OF PRESS? # OF PRESS=1 # OF PRESS=2 The Field Adjust Wizard will now be engaged as outlined in the following steps. The GAIN and OFF values will be updated, and PRESS ADJ=ON will be set if the wizard is successfully completed. Dashed lines indicate Menus when # OF PRESS=2 SET PRESS1? ENSURE THAT FAN IS ON AND SET TO DESIRED SPEED! SET PRESS2? ENSURE THAT FAN IS ON AND SET TO DESIRED SPEED! PRESS1= 0 (Set to using the keys) PRESS2= 0 (Set to using the keys) Wait...% ADJUSTMENT COMPLETE Wait...% ADJUSTMENT COMPLETE "Wait... %" indicates progress while the Field Adjustment Wizard acquires a large number of samples of airflow rate and averages all of the readings. Display indicates "ADJUSTMENT COMPLETE" when adjustment is complete. If you wish to review the adjustment made, simply navigate back to the SETUP menu and view the ADJUSTMENTS section. O TO PART 6 'A' O TO PART 6 'B' 1663 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 21

22 FROM PART 5 'A' 6A O FROM PART 5 'B' 6B O SECURITY *LOCK SEC=LOW SET LOCK SEC? LOCK SEC=LOW Sets security level to LOW. In this mode, there is no prompt for a lock code. The last 4 digits of the board serial are used to unlock. LOCK SEC=MED Sets security level to MED. In this mode, a user defined code is specified. In the event of loss of code, contact for a unique code for this transmitter to unlock and reset code. LOCK SET=HIGH Sets security level to HIGH. In this mode, a user defined code is specified. In the event of loss of code, transmitter must be returned to for unlock / reset. *LOCK=OFF SET LOCK? LOCK=OFF Enable/disable security lock. LOCK=ON ENTR CODE:0 CONF CODE:0 Enter code and confirm code (NOTE: if LOCK SEC= HIGH, DO NOT lose code!) RESET RESET ALL ARE YOU SURE? RESET ALL=YES Reset ALL changes back to factory defaults. Transmitter resets after completion. RESET ALL=NO RESET SENS ARE YOU SURE? RESET SENS=YES Reset sensor data, transmitter resets after completion RESET SENS=NO RESET ADJ ARE YOU SURE? RESET ADJ=YES Reset Flow/Pressure adjustments to GAIN = 1, OFF = 0, FLOW/PRESS ADJ = OFF RESET ADJ=NO GTC, GTM models only RESET NET ARE YOU SURE? RESET NET=YES Resets network settings to factory default. RESET NET=NO RESET TRBL SET ARE YOU SURE? RESET TRBL=YES Clears all disabled trouble settings RESET TRBL=NO DIAGNOSTICS TRBL CODES 1: NO PROBES (example shown) DSBL TRBL CODE? DSBL TRBL=NO Displays active trouble codes and their descriptions. Contact customer service for recommended service information. DSBL TRBL=YES Set DSBL TRBL= YES to ignore currently displayed TRBL alarm. To disable all trouble codes, see SETUP -> DISPLAY -> LCD TRBL. TRBL HISTORY 1: NO PROBES (example shown) Displays historical list of last 5 trouble codes encountered and their descriptions. Note that spurious trouble codes may self-clear during normal operation, and this feature permits viewing them even after they have resolved. SERIAL NUMBERS UNIT ####### Displays unit serial number. BRD ##### Displays main PCB serial number. C1 ###### C2 ###### C3 ###### Displays probe serial numbers followed by a T if connected and functioning properly, and then followed by an F if not connected or not functioning properly. C4 ###### SENS VELOCITY 1=#####FPM For sensors =1 to 9, A to G (number of sensors dependant on sensor type). SENS TEMP 1=##.#F For sensors =1 to 9, A to G (number of sensors dependant on sensor type). SENS VOLTS 1=H##.## T##.## For sensors =1 to 9, A to G (number of sensors dependant on sensor type). PROBE TYPE TYPE= B Type 'B' for Bleed sensors Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com

23 APPENDIX B GTM116 WIRING DIAGRAM ETHERNET BAS INTERFACE BAS ETHERNET OUT 1 AIRFLOW/ PRESSURE OUTPUT SIGNAL ANALOG BAS INTERFACE OUT 2* TEMP OR ALARM OUTPUT SIGNAL *OUT 2 can be set as an analog Temperature, Alarm or Trouble output. Alarm output can be set as active high or active low. CAT 5 OR EQUIVALENT WIRING (SUPPLIED BY OTHERS) SHIELDED TWISTED PAIR (STP) WIRING (SUPPLIED BY OTHERS) See Note 2 TRANSFORMER 24 VAC / HZ (See Note 3) 24 VAC LINE IN 1 2 COM L2 L1 ANALOG OUTPUT POWER 24VAC IN GTM116 TRANSMITTER RJ45 OUTPUT SENSOR PROBE CONNECTORS NOTES: 1. OUTPUT 2 CAN BE SET AS TEMPERATURE OR AS AN ALARM. ALARM CAN BE SET AS ACTIVE HIGH OR ACTIVE LOW. 2. CONNECT OUTPUT SIGNAL CABLE DRAINS TO EARTH GROUND AT ONE END OF EACH CABLE ONLY. 3. ON MULTIPLE TRANSMITTER INSTALLATIONS WITH A COMMON 24VAC SOURCE, WIRE 24 VAC POWER IN-PHASE TO THE SAME TERMINALS ON ALL TRANSMITTERS (e.g.: L1 to L1, L2 to L2) Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com 23

24 Hwy. 701 S., Loris SC Toll Free: ( ) Fax: Internet:.com