Preventative Maintenance Plan Checklist

Cool PM Check List:


  •  Check Zone and Dampers if applicable
  •  Clean Condenser Coil
  •  Check Superheat or Sub cooling
  •  Check all Capacitor Amps
  •  Clean Evaporator Coil
  •  Check all Motors
  •  Check Freon Charge
  •  Clean Drain Pan
  •  Check Belts if applicable
  • Check Tstat Operation
  •  Flush Drain Line
  •  Check for Excessive Noise
  •  Temp Drop Across Evap Coil
  •  Check Contactors
  •  Check Wire Connections
  •  Check or Wash 1” Filters



Heat PM Checklist:


  •  Clean Flame Sensor
  •  Check Limits
  •  Check Contactors (HP)
  •  Clean Burners if applicable
  •  Check Amp Draw
  •  Check Capacitor Amps (HP)
  •  Clean Heat Exchanger
  •  Change or Wash 1” Filters
  •  Check Freon Charge (HP)
  •  Clean Pressure Switch
  •  Check All Motors
  •  Check Defrost Cycle (HP)
  •  Check Belts if applicable
  •  Check Tstat Operation
  •  Check Drain Line on 90+
  •  Check for Excessive Noise
  •  Check Zone and Dampers if applicable
  •  Inspect Heat Exchanger
  •  Check Wire Connections
  •  Check Humidifier if applicable
  •  Check Thermocoupler Mili Voltage