33
Data Aire, Inc.
Quarterly
Maintenance Inspection Checklist
Model No. _______________________
Serial No. ___________________________
Prepared by: _____________________
Date: ___ / ___/ 200__
Air Filters
____ Check for restricted air fl ow
____ Check
fi lter differential switch
____ Wipe
fi lter rack section clean
Blower Section
____ Blower wheel free of debris and moves freely
____ Check belt tension and condition
____ Bearings in good condition
____ Check
air
fl ow safety switch operation
____ Check pulleys and motor mounts
Air Distribution Section
____ Check for restriction in grille(s)
Compressor
____ Check for leaks
Refrigeration Cycle/Section
____ Check for moisture (site glass)
____ Check suction pressure
____ Check discharge pressure
____ Check hot gas bypass valve operation
____ Check thermostatic expansion valve operation
____ Check solenoid valve operation
Air Cooled Condenser
(if applicable)
____ Condenser coil clean
____ Motor mounts tight
____ Motor fan bearings in good condition
____ Refrigeration lines properly supported
____ Heated receiver site
Water/Glycol Fluid Cooler
(if applicable)
____ Water regulating valve function
____ Check solution _____%
____ Check for water/glycol leaks (piping area)
____ Water/Glycol
fl ow switch operational
Glycol Pump(s)
____ Glycol leaks (pump area)
____ Pump
operation
____ Auto air vent clean of mineral deposits
Condensate Drain and Pump
(if applicable)
____ Check for water leaks and restricted fl ow
____ Pump
operation
Steam Generating Humidifi er
____ Check canister for deposits and water level
____ Check condition of steam hose and clamps
____ Check drain and fi ll valve for deposits
Reheat
____ Check reheat element(s) for dust
____ Check high limit switch operation
Electrical Panel
____ Check fuses
____ Check contactor operation
____ Check all electrical connections
____ Check operation sequence
____ Check calibration of change over thermostat
(Energy Saver System Only)
Equipment Runtimes
Blower
____________ hrs
Condenser
____________ hrs
Compressor
____________ hrs
Reheat
____________ hrs
Humidifi er
____________ hrs
Dehumidifi cation
____________ hrs
Energy
Saver
____________ hrs
____Reset all to read zero runtimes
Temperature/Humidity set at: _____° _____% RH
Notes:
_____________________________________
____________________________________________
____________________________________________
____________________________________________
____________________________________________
