Emerson Liebert Deluxe System/3 DH - Manual (Page 79)

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