The PRO COOL heat pump system maintenance check list:
- thermostat function
- duct-work condition
- proper duct sizing
- air leaks
- system airflow
- reversing valve
- water safety switches
- filter
- proper insulation
- blower motor, wheel and capacitor
- oil blower motor (if necessary)
- check and tighten all electrical connections
- air temperature reading
- defrost sequence and controls
- proper line set insulation and size
- dip switch settings (if necessary)
- heat pump model, age and condition
- freon/refrigerant measurement
- compressor and outdoor motor readings
- oil outdoor motor (if necessary)
- all capacitors
- contactor
- disconnect box
- correct breaker size
- heat strip or duel fuel controls and operation