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

Turn off electrical supply to the unit

Turn off gas supply to the unit

Disconnect the union between manifold and gas valve

Remove burner manifold and burner assembly

Inspect and clean orifices and burners as necessary

Avoid using hard or sharp instruments to prevent damage

Has the water supply been shut off?

Record the outside temperature in ºF

Clean all interior parts of mineral deposits or foreign materials

Inspect and replace any worn or non-functioning parts

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

Clean oil and dust from the wheel

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Test the circulating fluid for sediment

Test the circulating fluid for corrosive products

Test the circulating fluid for biological contaminants

Describe corrective measures taken if any issues were found

Lock-out the gas supply to the unit

Lock-out the electrical power to the unit

Coil Inspection and Maintenance

Inspect the coil for signs of corrosion and/or leaks

Describe any leaks found and repairs made

Inspect the coil's surface for foreign material

Clean the coil from the leaving air-side if necessary