84 Appendix 7 Routine Inspection Items (Half A Year)
Liebert. PEX+Series Precision Air Conditioner User Manual
Appendix 7 Routine Inspection Items (Half A Year)
Date: _____________________________ Recorded by: ___________________________
Model: _____________________________ SN: ___________________________
Components
Inspection items
Remark
Filter
Check if filter is clogged and damaged
Clean the filter
Fan
Check if fan blades are distorted.
Bearings in good condition
Check and fix connectors
Compressor
No leakage
Check for noise and observe vibration
condition
Check and fix connectors
Air cooled condenser
Cleanliness of condenser fins
Fan base is rigid.
Check if vibration absorbing cushion is
aging or damaged
Check if SPD board(if any) is working,
and check once a week in thunderstorm
seasons.
Refrigerant pipes have suitable support
Check and fix connectors
Water cooled condenser
Clean pipe system
Check the function of ball valve
Check if the water system leaks
Cooling system
Check the refrigerant pipes that must
have support bracket and should not be
closed to wall, floor or fixed frames with
vibrations.
Check the moisture condition in system
through sight glass
Check HGBP valve
Check thermal expansion valve
Check if the system needs to be added
with refrigerants through sight glass
Heating syste
Check the operation of reheat system
components
Check and fix connectors
Infrared humidifier
Check if water pan drainage is clogged
Check the lamp of humidifier
Check water pan for mineral deposits
Check and fix connectors
Electric control part
Check and fix connectors
Signature_________________________________________________________
Note: Please duplicate this table for archiving.
