Gas Fired Heating & Air Conditioning
- Start and verify unit operation.
- Disengage power source.
- Inspect pilot light and thermacouple function/safety controls.
- Flame
- Electronic Ignition
- Standing pilot
- Safety on gas valve
- Safety on pilot
- Safety of fan and limit
- Remove and clean burners.
- Remove and clean pilot assembly.
- Replace thermacouple, if applicable.
- Inspect and clean ignition.
- Vacuum top and bottom of heat exchanger.
- Inspect heat exchanger for cracks, holes, rusting.
- Reinstall burners.
- Assemble and reinstall pilot assembly.
- Remove blower assembly.
- Clean blower assembly.
- Vacuum blower housing.
- Oil blower motor.
- Inspect blower bearings, oil if applicable.
- Inspect belt on blower, replace if necessary.
- Adjust belt tension.
- Reinstall blower assembly.
- Replace air filter/media.
- Clean Electronic, Electrostatic, or washable filters.
- Inspect and tighten electrical connections.
- Relight pilot.
- Engage/Start unit and check system cycle.
- Inspect gas valve function.
- Verify and adjust gas pressure.
- Measure volts and amps on motors.
- Check temperature differential. Adjust fan speed if necessary.
- Calibrate thermostat.
- Verify air flow and air distribution - adjust registers, if necessary.
- PTS Opinion on Heating System.
- Hot Water Heat System/Boiler - Balance and bleed radiators.
- High Efficiency - Remove and clean flame sensor.
- High Efficiency - Vacuum recuperative coil.
- High Efficiency - Clean condensate drain.
- High Efficiency - Inspect condensate lift pump, if applicable.
- High Efficiency - Inspect venting for restrictions.
- High Efficiency - clean pressure switch tube and air hole.
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