Appendix 6 Monthly Routine Inspection Items 83
Liebert. PEX+Series Precision Air Conditioner User Manual
Appendix 6 Monthly Routine Inspection Items
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
Compressor
No leakage
Check for noise and observe vibration
condition
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
Cooling system
Check refrigerant pipes
Check the moisture condition in system
through sight glass
Check HGBP valve (if HGBO system is
equipped)
Check thermal expansion valve
Check water inlet/outlet temperature for
unit with dual cooling sources or free
cooling unit
Heating system
Check the operation of reheat system
components
Check eroding condition of components
Infrared humidifier
Check if water pan drainage is clogged
Check the lamp of humidifier
Check water pan for mineral deposits
Signature_________________________________________________________
Note: Please duplicate this table for archiving.
