Maintenance
HAZARDOUS SERVICE PROCEDURES:
During installation, testing, servicing and troubleshooting of this product, it may be
necessary to work with live electrical components and moving mechanical components. Have a qualified technician who
has been properly trained in handling live electrical components perform these tasks. Failure to follow all electrical safety
precautions when exposed to live electrical and mechanical components could result in death or serious injury.
Regular maintenance is the best way to avoid untimely and expensive repairs, and it extends the useful life of the equipment.
Maintenance should only be performed by qualified service personnel familiar with gas heat equipment and local codes and
requirements.
Maintenance Checklist
Quarterly
Annually
General Maintenance
Inspect inside of unit for water leaks, foreign material etc.
X
Clean or replace filters with equivalent to those supplied by manufacturer.
X
Check cooling device drain pans and traps for cleanliness and blockage.
X
Check all dampers, linkages and damper actuators and adjust and tighten as required.
X
Check cooling or heating coils for cleanliness and clean as necessary.
X
Coil Winterization (Autumn)
X
Fan Maintenance
Check all belts. Tighten or replace as necessary.
X
Check sheave alignment. Adjust as necessary.
X
Check all bearings and lubricate as necessary.
X
Inspect fan wheel and housing. Clean as necessary.
X
Electrical Maintenance
Check for loose wire connections in control panel.
X
X
Check motor amp draw against name plate.
X
Inspect all contactors to ensure they are clean and making good contact.
X
Check all safeties.
X
Gas Heat Maintenance
Check all gas fittings and valves for gas leaks.
X
Check gas manifold pressure to burner.
X
Check for proper combustion.
X
Check flame sensor signal. Clean as necessary.
X
Check ignition spark and adjust gap as necessary.
X
Check flame supervisor controller.
X
Inspect gas vent for leakage or obstruction. Clean screens.
X
Inspect furnace condensate line and trap to ensure it is clear.
X
Inspect primary and secondary heat exchanger for cracks or signs of condensation.
X
Perform safety shut-off valve leak test.
X
Inspect and clean burner.
X
WARNING
24
AW-I
MAINTENANCE
AW-I - Manual
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