Maintenance Inspection Checklist
Quarterly Maintenance Inspection Checklist
Condensate Drain and Pump (if applicable)
☐ Check for restricted air flow
☐ Check filter differential switch
☐ Check for restricted water flow
☐ Wipe filter rack section clean
Blower Section (if applicable)
Steam Generating Humidifier (if applicable)
☐ Blower wheel free of debris moves freely
☐ Check canister for deposits and water level
☐ Check belt tension and condition
☐ Check condition of steam hose and clamps
☐ Bearings in good condition
☐ Check drain and fill valve for deposits
☐ Check air flow safety switch operation
☐ Check pulleys and motor mounts
☐ Inspect blower wheel and torque setting on set screw
☐ Check reheat element(s) for dust
☐ Check high limit switch operation
☐ Check for restriction in grille(s)
Refrigeration Cycle/Section
☐ Check for moisture (site glass)
☐ Check discharge pressure
☐ Check contactor operation
☐ Check hot gas bypass valve operation
☐ Check all electrical connections
☐ Check thermostatic expansion valve operation
☐ Check operation sequence
☐ Check solenoid valve operation
☐ Check calibration of change over thermostat
Air Cooled Condenser (if applicable)
Compressor ___________ hours
Reheat No. 1 ___________ hours
☐ Water regulating valve function
Reheat No. 2 ___________ hours
Reheat No. 3 ___________ hours
☐ Check for water/glycol leaks (piping area)
Humidifier ___________ hours
☐ Water/Glycol flow switch operational
Dehumidification ___________ hours
Energy Saver ___________ hours
Glycol Pump(s) (if applicable)
☐ Glycol leaks (pump area)
☐ Reset all to read zero runtimes
Temperature/Humidity set at: ___° ___% RH
☐ Auto air vent clean of mineral deposits