Liebert PX018 Installer's/User's Manual page 92

Steam Generating Humidifier (if equipped)
1. Check drain valve/drain lines/trap for damage/clogs/leaks
2. Check water fill valve and all supply lines/connection for leaks
3. Check condition of steam hose
4. Clean strainer
5. Replace humidifier bottle if necessary
6. Check operation of humidifier
7. Humidifier amp draw
L1
Infrared Humidifier (if equipped)
1. Check drain lines and trap for damage/clogs/leaks
2. Check/Clean pan for mineral deposits
3. Clean reflector
4. Check water make-up valve/supply lines/connections for leaks
5. Check humidifier lamps (replace if burnt out)
6. Check/Re-torque wire connections (inside humidifier box)
7. Check humidifier high-water alarm operation
8. Humidifier amp draw
L1
Condensate Pump (if equipped)
1. Check for debris in sump
2. Check operation of float(s) (free movement)
3. Check/Clean discharge check valve
Electrical Panel
1. Check fuses
2. Check contactors for pitting (Replace if pitted)
3. Check/Re-torque wire connections
Controls
1. Check/Verify control operation (Sequence)
2. Check/Test changeover device(s) (if equipped)
3. Check/Test water-detection device(s) (if equipped)
4. Check/Test CAN connection between indoor and outdoor units (if equipped)
Refrigeration Piping
1. Check refrigerant lines (clamps secure/no rubbing/no leaks)
2. Check for moisture (sight glass)
3. Check for restriction temperature drop across filter drier
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L2 L3
L2 L3
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