P50.5&6 and P. Vertiv Liebert Deluxe System 3, Refrigerator DH, DE, DH, VH, VE

Maintenance Inspection Checklist—Monthly

9.0 M

AINTENANCE

I

NSPECTION

C

HECKLIST

—M

ONTHLY

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

Compressor Section

1. Check for leaks

2. Check oil levels

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

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 discharge pressure

6. Check hot gas bypass valve

7. Check thermostatic exp. valve

Reheat

1. Check reheat element operation

2. Inspect elements for cleanliness and corrosion

Steam Generating Humidifier

1. Check canister for deposits

2. Check condition of steam hoses

3. Check water make-up valve for leaks

Infrared Humidifier

1. Check pan drain for clogs

2. Check humidifier lamps

3. Check pan for mineral deposits

NOTES

Signature

Make photocopies of this form for your records

70

DISCONTINUED

PRODUCT

Maintenance Inspection Checklist—Semiannual

10.0 M

AINTENANCE

I

NSPECTION

C

HECKLIST

—S

EMIANNUAL

Date:

Model #:

Prepared by:

Serial #:

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

Refrigeration Cycle/Section

1. Check suction pressure

2. Check refrigerant lines

Reheat

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

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

Signature

Make photocopies of this form for your records

71

DISCONTINUED

PRODUCT