Greenheck IG Installation, Operation And Maintanance Manual page 16

Modulate Dampers
1. Navigate to the Checkout menu and press
2. The cooling should turn off
3. Navigate to Damper Open and press
to run the test.
4. Voltage between terminals ACT 2-10 and ACT COM
should be 10 VDC. This will open the outdoor air
damper and close the return air damper
5. Press (escape), navigate to Damper Close and
press (enter) twice to run the test.
6. Voltage between terminal ACT 2-10 and ACT COM
should be 2 VDC. This will close the outdoor air
damper and open the return air damper.
16 Model IG / IGX Make-Up Air
(enter).
(enter) twice
®