Maintenance Inspection Checklist-Semiannual - Emerson Liebert Deluxe System/3 DE Operation And Maintenance Manual

10.0 M
AINTENANCE
Date:
Model #:
Filters
1. Unrestricted air flow
2. Check filter switch
3. Wipe section clean
Blower Section
1. Impellers free of debris
2. Bearings free
3. Belt tension and condition
4. Inspect & tighten electrical connections
Compressor Section
1. Check for leaks
2. Check oil levels
3. Inspect & tighten electrical connections
Air Cooled Condenser (if applicable)
1. Condenser coil clean
2. Motor mount tight
3. Bearings free and in good condition
4. Refrigerant lines properly supported
5. Inspect & tighten electrical connections
Water/Glycol Condenser (if applicable)
1. Cleaning internal tubes
2. Inspect water regulating valves function
3. Check glycol solution
4. Inspect for water/glycol leaks
5. Glycol pump
6. Inspect for glycol leaks
Glycol Pump
1. Inspect for glycol leaks
2. Check pump operation
3. Inspect & tighten electrical connections
NOTES
Signature
Make photocopies of this form for your records
I C
NSPECTION HECKLIST
Maintenance Inspection Checklist—Semiannual
—S
EMIANNUAL
Prepared by:
Serial #:
Refrigeration Cycle/Section
1. Check suction pressure
2. Check refrigerant lines
3. Check head pressure
4. Check for moisture (sight glass)
5. Check refrigerant level
6. Check discharge pressure
7. Check hot gas bypass valve
8. Check thermostatic exp. valve
Reheat
1. Check reheat element operation
2. Inspect elements for cleanliness &
corrosion
3. Inspect & tighten electrical connections
Steam Generating Humidifier
1. Check canister for deposits
2. Check condition of steam hoses
3. Check water make-up valve for leaks
4. Inspect & tighten electrical connections
5. Inspect/clean out entire drain line
Infrared Humidifier
1. Check pan drain for clogs
2. Check humidifier lamps
3. Check pan for mineral deposits
4. Inspect & tighten electrical connections
Air Distribution Section
1. Restriction in grille free area
Electric Panel
1. Check fuses
2. Inspect & tighten electrical connections
3. Check operation sequence
4. Check contactor operation
71