Motor Over Amps | Greenheck Fan 470656 specification

Troubleshooting

Motor Over Amps

Air volume too high?

No

Actual static pressure

lower than design?

No

Blower rotation correct?

Yes

Motor voltage correct?

Yes

Motor horsepower too low?

No

Shorted windings in motor?

Yes

Everything is working

properly, consult factory.

Yes

Yes

No

No

Yes

Yes

Adjust drives or increase external static pressure as needed.

(Reference Blower Start-Up Step #5)

Adjust drives to reduce blower RPM.

(Reference Blower Start-Up Step #5)

Reverse blower rotation.

(Reference Blower Start-Up Step #2)

Provide proper power supply.

(Reference Blower Start-Up Step #1)

Resize motor.

Replace motor.

®

Model IG / IGX Make-Up Air 47

Image 47

Greenheck Fan 470656 manual Motor Over Amps

Contents

General Safety Information Installation, Operation and Maintenance Manual Storage Inspection and Maintenance during StorageReceiving Handling Clearance to Combustibles / Service Clearances Table of Contents Installation of Arrangement DB / HZ Installation of Indoor Unit Assemble and Attach Weatherhood Installation of Roof Mounted Unit Arrangement DBCInstall Combination Curb Adaptor Install Curb/Equipment Supports Install Supply Unit Install Exhaust FanInstall Exhaust Options Installation of Venting for Outdoor Units Installation of Evaporative Cooling Module optional Separated Combustion Concentric Venting Installation of Venting for Indoor UnitsVenting Methods Standard Indoor Venting Vent Pipe Diameter Installation of Standard Indoor VentingInstalling Exhaust Vent Pipe Concentric Venting Horizontal Installation of Concentric Venting General Concentric Venting Vertical Intake END Seal Wall Openings Installation of Two Pipe Venting Horizontal Seal Roof Penetration Installation of Two Pipe Venting Vertical Installation Electrical Wiring Install DDC Interface Optional Wire the Evaporative Cooler optionalInstall Economizer Sensors optional Install Discharge Air Sensor optional Connect the Supply Gas Line Installation of Gas PipingInstall Additional Regulator if Required Determine the Supply Gas Requirements Check/Adjust Water Level Installation Evaporative Cooler Piping optionalInstall the Water Supply Line Install the Drain Line Water Wizard Valves When provided by manufacturer Installation of Water WizardTM optionalInstall Normally Closed Supply Line/ Solenoid Install Normally Open Drain Line/ Solenoid Wire the Temperature Sensor Installation of Water WizardInstallation Direct Expansion DX Coil Piping optional Wire the Solenoids Evacuate and Charge the Coil Install Suction LineMount the Remote Sensing Bulb By Others Check Coil Piping for Leaks Installation of Building Pressure Control optional Installation of Chilled Water Coil Piping optional Start-Up Blower Set-up Optional Components Send Unit to High Fire Reset the Temperature SettingStart-Up Furnaces all units Start-Up Single Stage Control Check the Low Fire Manifold Pressure Start-Up 21 Staged ControlStart-Up 81 Staged Control Send Unit to Low Fire Access the Inlet Air Sensor Setting Access the Setpoints MenuAccess the Discharge Air Temperature Setting Edit the Setting Access the Room Override Setting Start-Up 21 Electronic Modulation High Fire Adjustment Check the Low Fire Manifold Pressures Exit High Fire ModeStart-Up 41 Electronic Modulation Access the Setpoints Menu Set the Enthalpy Changeover Set Point optional Verify Sensor InstallationStart-Up Economizer optional Set Minimum Outside Air Start-Up Evaporative Cooling optional Start-Up Water Wizard optional Operation - Water Wizard optional Building Pressure Control External Signal a variableCheck Operation VAV Units optional Damper actuator may take a few Check Operation Recirculating Units optionalRecirculation Operation Building Pressure Control a Exhaust Fan Contact S1 Manually Closed optional Sequence of Operation Staged Sequence Sequence of Operation 21 Modulation Sequence Operation Modulation Staged Controller Discharge Air Temperature dtSOutside Air Temperature OAt Sequence of Operation Modulation Sequence Light Off Blinking Sequence of Operation 41 Electronic ModulationProgram Revision Number Optional Room Override ROt Sequence of Operation Electronic Modulation Staging Control Sequence of Operation Sequence of Operation Staged Control Following are the green LED codes of operation Operation and Errors Ignition Controller Option EC-2 Outside Air Enthalpy Reference Option EC-1 Outside Air Temperature ReferenceOption EC-3 Differential Temperature Control Operation Economizer Blower Does Not Operate Troubleshooting Motor Over Amps Too Much Airflow Insufficient Airflow Excessive Noise or Vibration Improper manifold pressure Single or 21 Stage Furnace Will Not Light Modulating 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 pump Water Wizard Improper Water Supply Adjust the Manual Supply ValveAdjust the On Time Factor Wheels Maintenance RoutineBelt Drives Snow Accumulation Evaporative Coolers MotorsFilters Chilled Water Coils Maintenance Fall Flushing Coils Reference Model IGX Venting Connection Location Reference Model IG Venting Connection Location Reference 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 Table Start-Up Checklist Reference Start-Up Checklist Warranty Maintenance Log