AC/Heat Pump Maintenance
Two complete precision tune-ups per year. AC / Heat Pump maintenance includes the following:
- check evaporator coil
- monitor expansion valve
- clean drain line
- adjust bypass dampers (if needed)
- replace filter (customer supplied)
- tighten electrical connections
- evaluate safety controls
- measure temperature difference
- check fan blades for tightness
- lubricate fan motor
- check start and run capacitors
- check start relay
- check refrigerant charge
- adjust operating pressures
- measure voltage difference
- measure amp draw
- clean and adjust burners
- evaluate vent system
- set gas manifold pressure
- test fan limit switch
- adjust thermostat calibration
- inspect valves
- clean evaporator coil if accessible
- apply protective coating to outside unit
- lubricate all moving parts