Distech Controls GS-AQR Hardware Installation Manual page 6

8. Backlite On/Off
Backlite
On
9. IAQ Calibration
IAQ Cal
0 ppm
Relay Setup (only shows when option is installed)
10. Relay Test On/Off
Relay
Test OFF
11. Relay Setpoint
Relay SP
1000 ppm
12. Relay Hysteresis
Relay Hy
100 ppm
13. Relay Delay
RL Delay
YES
Override Setup (only shows when option is installed)
14. Override
Override
Mode Mom
15. LED ON/OFF
LED
ON
6/8
The LCD backlight is normally on, it can be turned off here.
Press <MENU> to advance.
Use <UP> or <DOWN> to add or subtract an offset to the IAQ signal. This can change from -200 to + 200 ppm
in 10 ppm increments.
Press <MENU> to advance.
Use <UP> or <DOWN> to toggle the relay contacts on or off for testing.
Press <MENU> to advance.
Use <UP> or <DOWN> to change the relay setpoint from 750-1500 ppm. Default is 1000 ppm. Resolution is
25 ppm.
Press <MENU> to advance.
Use <UP> or <DOWN> to change the relay hysteresis to 20, 50, 100 or 200 ppm. Default is 100.
Press <MENU> to advance.
There is a 1 minute minimum on time and a 1 minute minimum off time applied to the relay operation to
prevent short cycling. This feature can be disabled here by setting to NO.
Press <MENU> to advance.
Use <UP> or <DOWN> to change the Override operating mode from the default Mom (momentary) to either Lat
(latch) or Tog (toggle). Momentary means the Override output is only ON while the front panel key is pressed,
Latch means the output is ON for 5 seconds after a key press and then it turns OFF again, Toggle means that the
output changes state whenever the key is pressed.
Press <MENU> to advance.
The LED is normally enabled (On), it can be disabled (Off ) here.
Press <MENU> to exit the User menu and return to normal operation.