Greystone Energy Systems GDT Series Installation Instructions Manual Download

Page: 10 / 18

Page 10

Alarm 1

Trip 50

Alarm 1

Trip 2

Press the <UP> or <DOWN> to change the Alarm1 Setpoint

within the limits. If Alarm1 is assigned to CO the range is 20 to

500 ppm in 10 ppm increments and default is 50 ppm. If Alarm1

is assigned to NO2 the range is 1 to 10 ppm in 1 ppm increments

and default is 2 ppm.

Only if

Relay1

is installed

16. ALARM 1

SETPOINT

Alarm 1

Hyst 10

Alarm 1

Hyst 0.5

Press the <UP> or <DOWN> to change the Alarm1 Hysteresis

within the limits. If the Alarm1 is assigned to CO the range is

10 to 100 ppm in 5 ppm increments and default is 10 ppm. If

Alarm1 is assigned to NO

the range is 0.5 to 2.0 ppm in 0.5 ppm

increments. The default is 0.5 ppm.

17. ALARM 1

HYSTERESIS

Alarm 1

Dly 2Min

Relay 1

Direct

Relay 1

Test OFF

Press the <UP> or <DOWN> to change the Alarm1 Delay time

within the limits. The delay time may be set from 0 to 10 minutes

in 1-minute increments. The default is 2 minutes.

Press the <UP> or <DOWN> to toggle the available options.

Relay 1 operation may be set to Direct or Reverse. Direct

operation means the relay is normally not energized and will

energize on an alarm condition (the NO/NC PCB designations

are correct). Reverse operation means the relay is normally

energized and will de-energize on an alarm condition (the NO/

NC PCB designations are reversed). Reverse operation can be

used for ‘Fail Safe’ operation as the relay will change state on

power loss. The default is Direct.

Press the <UP> or <DOWN> to toggle Relay1 ON or OFF to test

the relay operation.

18. ALARM 1

DELAY

19. RELAY

OPERATION

20. RELAY TEST

<MENU>

Press to advance to next menu item

<MENU>

Press to advance to next menu item

<MENU>

Press to advance to next menu item

<MENU>

Press to advance to next menu item

Alarm 2

Press the <UP> or <DOWN> to scroll through the available

options. The available options are CO or NO

. Alarm 2 may be

assigned to either sensor. The default is CO.

Only if

Relay2 & 2 sensors

are installed

21. ALARM 2

<MENU>

Press to advance to next menu item

<MENU>

Press to advance to next menu item

Alarm 2

Trip 150

Alarm 2

Trip 4

Press the <UP> or <DOWN> to change the Alarm2 setpoint

within the limits. If Alarm2 is assigned to CO the range is 20

to 500 ppm in 10 ppm increments and default is 150 ppm. If

Alarm2 is assigned to NO

the range is 1 to 10 ppm in 1 ppm

increments. Default is 4 ppm.

22. ALARM 2

TRIP POINT

<MENU>

Press to advance to next menu item

IN-GE-GDTXXX-06

Summary of Contents for GDT Series

Page 1: ...les that are provided on each corner of the enclosure using screws not provided Ensure the sensor pods are pointing downwards as shown in Figure 1 The enclosure offers two entry points for wiring one on top and one on bottom see Figure 2 for locations The enclosure includes one rubber grommet installed in the bottom wiring hole Dependingontheinstallationwiringcanberouted through top or bottom hole...

Page 2: ...the circuit ground point is the same on all devices and the controller The sensor can be ordered with four output options Analog options include 4 20 mA active output or voltage output configurable as 0 5 Vdc or 0 10 Vdc Network options include BACnet or Modbus The analog outputs are available on the CO TEMP and NO2 terminals The signal type may be ordered as either voltage or 4 20 mA active outpu...

Page 3: ...on The maximum daisy chain length segment depends on transmission speed baud rate wire size and number of nodes If communication is slow or unreliable it may be necessary to wire two daisy chains to the controller with a repeater for each segment The toxic gas sensor may have one or two optional relays installed The relays are Form C type with both a normally open NO and a normally closed NC conta...

Page 4: ...15200 Network Address if applicable 0 255 CO sensor range if applicable 0 100 0 150 0 300 0 400 or 0 500 Temperature sensor range if applicable 20 to 50 C 0 to 50 C 4 to 122 F 32 to 122 F After the above display the alarm buzzer will beep twice if applicable The start up mode will continue with a one minute countdown During the warm up mode the alarms will be set to off the Status LED will flash g...

Page 5: ...e LED OFF OFF Flashing Flashing Alarm LED OFF OFF RED RED Buzzer OFF OFF Beep Every 15 seconds Short every 10 minutes Short every 10 minutes ON Short ON Long CO xxx ppm Alarm1 CO xxx Alarm2 NO2 xx x CO xxx ppm When a buzzer alarm condition occurs the buzzer alarm status will be displayed alternately with the normal display If more than one alarm occurs then they will alternate every 2 seconds with...

Page 6: ...be LED operates independently of Alarm1 and Alarm2 and can be disabled via the menu If enabled and the device is in Alarm mode pressing the TEST switch will have no impact on Strobe MANUAL ALARM RESET In this case the alarms will activate the same way as described above but will not automatically reset to Normal Mode when the CO level drops below the trip level hysteresis value In order to reset t...

Page 7: ...ON SETUP MENU The device has several parameters that can be configured locally via the Setup menu using the keypad and LCD All parameters default to typical values but the installer may want to change some values In some cases such as the device network address the installer MUST change the settings before operation Any changes made are saved in non volatile memory and are restored in case of a po...

Page 8: ...m 3 BUZZER CO Buzz Dly 5Min Press the UP or DOWN keys to scroll through the available options The CO buzzer delay may be set from 0 to 10 minutes in 1 minutes increments Is only available if the CO Buzzer Trip is enabled not set to OFF The default is 5 minutes NO2 Buzz Trip 2 NO2 Buzz Dly 5Min Buzzer Test OFF Press the UP or DOWN keys to scroll through the available options The NO2 buzzer delay ma...

Page 9: ...O2 may be set to OFF or from 1 to 10 ppm in 1 ppm increments The default is 2 ppm The strobe may operate as a CO alarm a NO2 alarm or both depending on the trip point settings If set to OFF then the strobe will not operate as a NO2 alarm CO Strb Dly 5Min NO2 Strb Dly 5Min NO2 Strb Trip 2 Only if the strobe is enabled the CO sensor is installed and the CO Strb Trip is not set to OFF Only if the str...

Page 10: ...correct Reverse operation means the relay is normally energized and will de energize on an alarm condition the NO NC PCB designations are reversed Reverse operation can be used for Fail Safe operation as the relay will change state on power loss The default is Direct Press the UP or DOWN to toggle Relay1 ON or OFF to test the relay operation 18 ALARM 1 DELAY 19 RELAY OPERATION 20 RELAY TEST MENU P...

Page 11: ...ration can be used for Fail Safe operation as the relay will change state on power loss The default is Direct Use UP or DOWN to toggle relay2 ON or OFF to test the relay operation Press MENU to reset to OFF Use UP or DOWN to disable or enable the test mode The default is Disable When disabled the front panel TEST switch or TEST input will not initiate the test function When enabled pressing the TE...

Page 12: ...t mode remains at the previous setting The timer is automatically reset if the CO sensor is replaced If the desired time has already been exceeded then it cannot be selected Only if CO Sensor is installed Only if NO2 Sensor is installed CO Fault Disable TestMode Time 5 29 CO FAULT MODE TIMER 30 NO2 FAULT MODE TIMER MENU Press to advance to next menu item MENU Press to advance to next menu item Use...

Page 13: ...o 1 2 or 3 years the Re Cal alarm will activate to indicate that the NO2 sensor requires recalibration If set to Reset and MENU is pressed then the Re Cal condition for the NO2 sensor is cleared the NO2 Re Cal timer is reset and the NO2 Re Cal mode remains at the previous setting The timer automatically resets if the NO2 sensor is replaced If the desired time has already been exceeded then it cann...

Page 14: ... are displayed If set to Status the ppm values will not be displayed only the device operating status If set to None there will not be any LCD display information in Normal mode the LCD will still work for menu operation The default and available options depend on the installed sensors For example if the device only has a CO sensor then CO ppm is the default and the only other options available wi...

Page 15: ...tem MENU Press to advance to next menu item MENU Press to advance to next menu item Only if CO Sensor is installed This item allows zero calibration of the CO sensor Ensure the sensor is in clean air Press and hold the UP key for 3 seconds to initiate the calibration process When the calibration is complete the display will indicate DONE Then press MENU to advance to the next selection A CO Zero C...

Page 16: ...nted every time this step is performed The NO2 Re Cal timer is reset whenever this step is performed NO2 Zero Cal GO NO2 10 Cal GO NO2 Zero Cal DONE NO2 10 Cal DONE 48 ZERO CALIBRATION 49 SPAN CALIBRATION MENU Press to advance to next menu item then then Only if NO2 Sensor is installed This item allows offset calibration of the temperature sensor Use UP or DOWN to add an offset to the temperature ...

Page 17: ...c 2 line x 8 characters 35mm W x 15mm H 1 4 x 0 6 Backlight Enable or disable via menu User Interface Silence Test button Bi color status LED Red LED Alarm indicator White high intensity LED strobe optional TEMPERATURE SIGNAL OPTIONAL Type Thermistor or RTD Accuracy Thermistors 0 2 C 0 36 F 25 C 77 F Platinum RTD s 0 3 C 0 54 F 0 C 32 F Nickel RTD s 0 4 C 0 72 F 0 C 32 F Output 2 Wire Resistive Ty...

Page 18: ...Modbus setup guide downloads are available online BACnet PROTOCOL https downloads greystoneenergy com SG SG GDTXXXBAC 003 pdf MODBUS PROTOCOL https downloads greystoneenergy com SG SG GDTXXXMOD 001 pdf DIMENSIONS 54 5 mm 2 15 160 00 mm 6 29 184 00 mm 7 24 170 00 mm 6 69 32 25 mm 1 26 76 2 mm 3 00 52 0 mm 2 05 82 5 mm 3 25 69 8 mm 2 75 32 25 mm 1 26 IN GE GDTXXX 06 Copyright Greystone Energy System...

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