Liebert 3000 Filters Steam Generating Humidifier, Blower Section, Compressor, Refrigerant Charge

Monthly Maintenance Inspection Checklist

8.0MONTHLY MAINTENANCE INSPECTION CHECKLIST

Date:_______________________________________	Prepared by:_________________________________
Model #:_____________________________________	Serial #:____________________________________

Filters		Steam Generating Humidifier
___ 1. Restricted air flow		___ 1. Check canister for deposits
___ 2.	Check filter switch	___ 2.	Check condition of steam hoses
___ 3.	Wipe section clean	___ 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

Compressor

___ 1. Check oil leaks

___ 2. 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

Infrared Humidifier

___ 1. Check pan drain for clogs

___ 2. Check humidifier lamps

___ 3. Check pan for mineral deposits

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

Reheat		Air Distribution Section
___ 1. Check reheat element operation	___ 1.	Restriction in grille free area
___ 2. Inspect elements for cleanliness		Refrigerant Charge
	___ 1.	Check refrigerant level
Notes

Signature

Make photocopies of this form for your records

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