Liebert DS Hvac Maintenance Checklist, Filters, Blower Section, Reheat, Infrared Humidifier

HVAC Maintenance Checklist

13.0HVAC MAINTENANCE CHECKLIST

Inspection Date		Job Name
Indoor Unit Model #		Indoor Unit Serial Number #
Condenser/Drycooler Model #		Condenser/Drycooler Serial #
Room Temperature/Humidity	°	%	Ambient Temperature	°

Filters

___ 1.	Check/replace filters
___ 2.	Grille area unrestricted
___ 3.	Wipe section clean
___ 4.	Coil clean

Blower Section

___ 1. Blower wheels free of debris

___ 2. Check belt tension and condition (replace if needed)

___ 3.	Check/lube bearings
___ 4.	Check sheave/pulley (replace if worn)
___ 5.	Check motor mount
___ 6.	Motor amp draw	L1__________________ L2 __________________ L3______________

____ Compare to nameplate amps

Reheat

___ 1.	Inspect elements
___ 2.	Check wire connections (inside reheat box)
___ 3.	Reheat amp draw
	___ a.	#1
	___ a.	#2
	___ a.	#3

Steam Generating Humidifier

___ 1. Check drain valve/drain lines/trap for clogs

___ 2. Check water make-up valve and all hoses for leaks

___ 3. Clean strainer

___ 4. Replace humidifier bottle if necessary

___ 5. Check operation of humidifier

___ 6. Humidifier amp draw L1 ______________ L2 _______________L3__________________

Infrared Humidifier

___ 1. Check drain lines and trap for clogs

___ 2. Check/clean pan for mineral deposits

___ 3.	Clean reflector
___ 4. Check water make-up valve for leaks
___ 5.	Check humidifier lamps (replace if burnt out)
___ 6.	Check wire connections (inside humidifier box)
___ 7.	Humidifier amp draw L1 ______________ L2 _______________L3__________________

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