Greenheck Make-Up Air Unit IGX-P120-H22-MF-T

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Check V-belt drive for the following issues

Measure the deflection in the belt

Is the belt tension within the normal range?

Is the drive alignment correct using a straight edge across both sheaves?

Disconnect and lock-out all power and gas before performing any maintenance or service to the unit.

Ensure all tools are available: Voltage Meter, Amperage Meter, Pressure Gauges, Tachometer, Thermometer, U-tube manometer or equivalent.

Check the housing, fan, and ductwork for any foreign objects before running the fan.

Electrical and Mechanical Checks

Tug test all internal electrical connections to ensure no loose connections occurred during shipment.

Check fasteners, set screws and locking collars for tightness on the following components

Ensure the supply fan wheel is free to rotate without striking or rubbing any stationary objects.

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Check for oil accumulation on the wheel

Check for dust accumulation on the wheel

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Inspect the coil for signs of corrosion and/or leaks

Describe any leaks found and repairs made

Does the coil surface need cleaning?

Clean the coil from the leaving air-side

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Filter Cleaning and Replacement

Identify the type of filter installed

Aluminum Mesh Filter Maintenance

Wash the aluminum mesh filters in warm soapy water

Apply adhesive spray to aluminum mesh filters to increase efficiency