Monthly Maintenance Inspection Checklist - Liebert Himod Operation & Maintenance Manual

8.0 M M
ONTHLY
Date:_______________________________________
Model #:_____________________________________
Filters
___ 1. Restricted air flow
___ 2. Check filter switch
___ 3. Wipe section clean
___ 4. T-strips in place
Blower Section
___ 1. Impellers free of debris and move freely
___ 2. Bearings in good condition
Compressor
___ 1. Check for leaks
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
Notes:
Signature:______________________________________________________________
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Monthly Maintenance Inspection Checklist

I
AINTENANCE NSPECTION
Make photocopies of this form for your records
C
HECKLIST
Prepared by:_________________________________
Serial #:____________________________________
Steam Generating Humidifier
___ 1. Check canister for deposits
___ 2. Check condition of steam hoses
___ 3. Check water make-up valve for leaks
Refrigeration Cycle/Section
___ 1. Check refrigerant lines
___ 2. Check for moisture (sight glass) (air cooled
only)
___ 3. Check suction pressure
___ 4. Check head pressure
___ 5. Check discharge pressure
___ 6. Check hot gas bypass valve
___ 7. Check thermostatic exp. valve
Air Distribution Section
___ 1. Restriction in grille free area
Refrigerant Charge
___ 1. Check refrigerant level
___ 2. Check subcooling (≤5°F)
___ 3. Check superheat (20-35°F) on glycol units