Liebert CHALLENGER 3000 - Manual (Page 72)

Monthly Maintenance Inspection Checklist
64
8.0 M
ONTHLY
M
AINTENANCE
I
NSPECTION
C
HECKLIST
Date:_______________________________________ Prepared by:_________________________________
Model #:_____________________________________ Serial #:____________________________________
Filters
___ 1. Restricted air flow
___ 2. Check filter switch
___ 3. Wipe section clean
Steam Generating Humidifier
___ 1. Check canister for deposits
___ 2. Check condition of steam hoses
___ 3. Check water make-up valve for
leaks
Blower Section
___ 1. Impellers free of debris and move freely
___ 2. Check belt tension and condition
___ 3. Bearings in good condition
Infrared Humidifier
___ 1. Check pan drain for clogs
___ 2. Check humidifier lamps
___ 3. Check pan for mineral deposits
Compressor
___ 1. Check oil leaks
___ 2. Check for leaks
Refrigeration Cycle/Section
___ 1. Check refrigerant lines
___ 2. Check for moisture (sight glass)
___ 3. Check suction pressure
___ 4. Check head pressure
___ 5. Check discharge pressure
___ 6. Check hot gas bypass valve
___ 7. Check thermostatic exp. valve
Air Cooled Condenser (if applicable)
___ 1. Condenser coil clean
___ 2. Motor mounts tight
___ 3. Bearings in good condition
___ 4. Refrigerant lines properly
supported
Reheat
___ 1. Check reheat element operation
___ 2. Inspect elements for cleanliness
Air Distribution Section
___ 1. Restriction in grille free area
Refrigerant Charge
___ 1. Check refrigerant level
Notes
Signature
Make photocopies of this form for your records