Greenheck Fan 470656 manual Access the Setpoints Menu

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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

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Contents General Safety Information Installation, Operation and Maintenance ManualStorage Inspection and Maintenance during StorageReceiving HandlingClearance to Combustibles / Service Clearances Table of ContentsInstallation of Arrangement DB / HZ Installation of Indoor UnitAssemble and Attach Weatherhood Installation of Roof Mounted Unit Arrangement DBCInstall Combination Curb Adaptor Install Curb/Equipment SupportsInstall Exhaust Options Install Exhaust FanInstall Supply Unit Installation of Venting for Outdoor Units Installation of Evaporative Cooling Module optionalSeparated Combustion Concentric Venting Installation of Venting for Indoor UnitsVenting Methods Standard Indoor VentingInstalling Exhaust Vent Pipe Installation of Standard Indoor VentingVent Pipe Diameter Concentric Venting Horizontal Installation of Concentric Venting GeneralConcentric Venting Vertical Intake END Seal Wall Openings Installation of Two Pipe Venting HorizontalSeal Roof Penetration Installation of Two Pipe Venting VerticalInstallation Electrical Wiring Install DDC Interface Optional Wire the Evaporative Cooler optionalInstall Economizer Sensors optional Install Discharge Air Sensor optionalConnect the Supply Gas Line Installation of Gas PipingInstall Additional Regulator if Required Determine the Supply Gas RequirementsCheck/Adjust Water Level Installation Evaporative Cooler Piping optionalInstall the Water Supply Line Install the Drain LineWater Wizard Valves When provided by manufacturer Installation of Water WizardTM optionalInstall Normally Closed Supply Line/ Solenoid Install Normally Open Drain Line/ SolenoidWire the Temperature Sensor Installation of Water WizardInstallation Direct Expansion DX Coil Piping optional Wire the SolenoidsEvacuate and Charge the Coil Install Suction LineMount the Remote Sensing Bulb By Others Check Coil Piping for LeaksInstallation of Building Pressure Control optional Installation of Chilled Water Coil Piping optionalStart-Up Blower Set-up Optional Components Send Unit to High Fire Reset the Temperature SettingStart-Up Furnaces all units Start-Up Single Stage ControlCheck the Low Fire Manifold Pressure Start-Up 21 Staged ControlStart-Up 81 Staged Control Send Unit to Low FireAccess the Inlet Air Sensor Setting Access the Setpoints MenuAccess the Discharge Air Temperature Setting Edit the SettingAccess the Room Override Setting Start-Up 21 Electronic Modulation High Fire AdjustmentStart-Up 41 Electronic Modulation Exit High Fire ModeCheck the Low Fire Manifold Pressures Access the Setpoints Menu Set the Enthalpy Changeover Set Point optional Verify Sensor InstallationStart-Up Economizer optional Set Minimum Outside AirStart-Up Evaporative Cooling optional Start-Up Water Wizard optional Operation - Water Wizard optional Check Operation VAV Units optional External Signal a variableBuilding Pressure Control Damper actuator may take a few Check Operation Recirculating Units optionalRecirculation Operation Building Pressure Control aExhaust Fan Contact S1 Manually Closed optional Sequence of Operation Staged SequenceSequence of Operation 21 Modulation Sequence Operation Modulation Staged Controller Discharge Air Temperature dtSOutside Air Temperature OAt Sequence of Operation Modulation SequenceLight Off Blinking Sequence of Operation 41 Electronic ModulationProgram Revision Number Optional Room Override ROtSequence of Operation Electronic Modulation Staging Control Sequence of Operation Sequence of Operation Staged ControlFollowing are the green LED codes of operation Operation and Errors Ignition ControllerOption EC-2 Outside Air Enthalpy Reference Option EC-1 Outside Air Temperature ReferenceOption EC-3 Differential Temperature Control Operation EconomizerBlower Does Not Operate TroubleshootingMotor Over Amps Too Much Airflow Insufficient AirflowExcessive Noise or Vibration Improper manifold pressure Single or 21 Stage Furnace Will Not LightModulating Furnace Will Not Light Heat transformer TR2 fault Ignition controllers IC# failed Staged Furnace Will Not Light Internal high limit tripped temperature above set point Water Blows through Evaporative Cooler Evaporative Cooler does not Operate Recirculating pumpAdjust the On Time Factor Adjust the Manual Supply ValveWater Wizard Improper Water Supply Wheels Maintenance RoutineBelt Drives Snow AccumulationEvaporative Coolers MotorsFilters Chilled Water CoilsMaintenance Fall Flushing Coils Reference Model IGX Venting Connection Location Reference Model IG Venting Connection LocationReference Model IG Single or 2 Stage Reference Model IG Staged Reference Model IG Modulation Modulating Reference Model IGX Blower Control Center Manifold Gas Pressure Test Port Staged Inch Gas Supply Manifold Gas Pressure Test Port Modulating Staged Performance Table Reference Performance TableStart-Up Checklist Reference Start-Up ChecklistWarranty Maintenance Log
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