No.
Inspection item
Inspection content
PTI
2
nd
year 4
th
year 8
th
year
1
Inspection for physical damage
1) Casing frame
2) Compressor
3) Condenser fan motor
2
Loose mounting bolts
4) Evaporator fan motor
5) Control box
6) Temperature recorder box
7) Access panel
8) Others
3
Conditions of panel,
hinge and lock
4
Drain pan and drain hose
cleaning
1) Cover packing inspection and replacement
5
Control box inspection
2) Loose cable gland
3) Internal cleaning
6
Temperature recorder box 1) Cover packing inspection and replacement
inspection
2) Internal cleaning
7
Sealing condition of holes
Air leakage and clearance
through casing frame
8
Packing inspection and
Ventilator cover packing
replacement
1) Compressor
9
Painted area recondition
2) Water-cooled condenser/liquid receiver
3) Solenoid valve (coil cap)
4) Casing frame
1) Compressor
10
Repainting
2) Water-cooled condenser/liquid receiver
3) Condenser fan motor
4) Condenser fan
1
Gas leakage
2
Refrigerant
Inspection of moisture in the refrigerant,
and refrigerant charged amount
Inspection of high pressure
3
switch operational pressure
1) Liquid solenoid valve
2) Economizer solenoid valve
Operation and leakage
3) Injection solenoid valve
4
of solenoid valve
4) Hot gas solenoid valve
5) Defrosting solenoid valve
6) Discharge gas by-pass solenoid valve
Operation and leakage of
5
suction modulating valve
Operation and leakage of
6
electronic expansion valve
7
Compressor
Water entering to compressor terminal
3-43
3.8.1 Inspection item
The periodic inspection and adjustment of components (if required) is recommended to ensure
continued successful operation.
The following table shows an example of the inspection plan.
Refrigerant
system
General
structure
03̲LXE10E100以降(42-52)̲E.qx 08.8.13 7:00 PM ページ 3-43
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