Greenheck Fan 470656 manual Access the Setpoints Menu

Note: If the valve remains in the low fire setting mode for more than five (5) minutes, it will revert back to its previous setting.

note

The following steps are for adjusting the discharge air setting. The discharge air temperature setting is factory set to the recommended 70ºF. Only adjust the setting if needed.

6. Access the Setpoints Menu

Press and hold the Function key for three seconds to access the Setpoints Menu. The display will read “SEt” when Setpoints Mode is active.

7.Access the Discharge Air Temperature Setting

Use the Up or Down keys to scroll through the Setpoints

Menu options until the display reads “dtS” then

press the Enter key. The display will change to the discharge air temperature setting.

8. Edit the Setting

Use the Up or Down keys to change the discharge air temperature setting. When the correct setting is displayed, press the Enter key to save the setting and return to the Setpoints Menu.

note

After modifying a setting, the Enter key must be pressed to save the change. If the Enter key is not pressed the display will return to the Setpoints Menu without saving the change.

note

Steps 9 thru 10 are provided for adjusting the inlet air set point. The inlet air sensor is preset to the factory recommended 60ºF, only adjust if needed.

note

The inlet air sensor monitors the temperature of the inlet air. If the inlet air is above the sensor’s set point, the inlet air sensor shuts off the furnace and continues to supply the warm outside air.

9. Access the Inlet Air Sensor Setting

From the Setpoints Menu, use the Up or Down key to navigate through the menu options until the display reads “iAS.” Once the display

reads “iAS”, press the Enter

key. The display will change to the inlet air sensor setting.

10. Edit the Setting

Use the Up or Down key to edit the inlet air setting. When the correct setting is displayed, press the Enter key to save the setting and return to the Setpoints menu.

note

Steps 11 and 12 are provided for adjusting the room override setting. Only adjust the setting if the room override function is desired.

note

The room override function temporarily changes the discharge air temperature to the room override setting if a room thermostat is not satisfied.

11. Access the Room Override Setting

From the Setpoints Menu, use the Up or Down key to navigate through the menu

options until the display

reads “rot.” Once the display reads “rot,” press the Enter key. The display will change

to the room override setting.

note

The room override function requires a field-supplied thermostat to be installed in the space and to be wired between terminal 31 and 32 in the unit’s control center.

12. Edit the Setting

Use the Up or Down key to change the room override setting. When the correct setting is displayed, press the Enter key to save the setting and return to the Setpoints menu.

Note

After modifying a setting, the Enter key must be pressed to save the change. If the Enter key is not pressed the display will return to the Setpoints Menu without saving the change.

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Model IG / IGX Make-Up Air 31