Quarterly Maintenance Inspection Checklist - Data Aire LCS Installation, Operation And Maintenance Manual

Model No. _______________________
Prepared by: _____________________
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(s)
____ 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) (if applicable)
____ 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 (if applicable)
____ Check canister for deposits and water level
____ Check condition of steam hose and clamps
____ Check drain and fi ll valve for deposits
Data Aire, Inc.

Quarterly Maintenance Inspection Checklist

Reheat (if applicable)
Electrical Panel
Equipment Runtimes
Notes: _____________________________________
____________________________________________
____________________________________________
____________________________________________
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Serial No. ___________________________
Date: ___ / ___/ 200__
____ Check reheat element(s) for dust
____ Check high limit switch operation
____ Check fuses
____ Check contactor operation
____ Check all electrical connections
____ Check operation sequence
____ Check calibration of change over thermostat
(Energy Saver System Only)
Mini DAP control panel operations
____ Check calibration of temperature sensor (31*)
____ Check calibration of humidity sensor (35*)
* Mini DAP menu options
Blower ____________ hrs
Condenser ____________ hrs
Compressor(s) ____________ hrs
Reheat ____________ hrs
Humidifi er ____________ hrs
Dehumidifi cation ____________ hrs
Energy Saver ____________ hrs
____Reset all to read zero runtimes
Temperature/Humidity set at: _____° _____% RH