No. Inspection item Inspection content PTI
2
nd
year 4
th
year 8
th
year
8 Dryer replacement
Function inspection and
9 replacement of liquid
moisture indicator
Conditions of fasteners
10 on the refrigerant pipes
and gauge pipes
11
Condition of thermal
insulation of refrigerant pipe
12
Evaporator coil cleaning
(BY water)
1) Water-cleaning
13 Condenser coil cleaning 2) Steam-cleaning (after pumping
down the refrigerant)
14
Water-cooled condenser
1) Water-leakage inspection
inspection
2) Operation of water pressure switch
1
Damage of power cable
and plug
2
Inspection of conditions of
internal wiring
Terminal looseness
1) Magnetic switch
3
inspection and retightening
2)
Electronic controller terminal block
if necessary
3) Terminal block
4
Condition of monitoring
receptacle cap
Conditions of personal
5
computer receptacle cap
6 Fuse conditions Burned out or not
1) Contact point inspection
2) Replace the contact on
Magnetic switch contact
compressor contactor
7
point inspection and
3) Replace the contact on
replacement
compressor fan motor
4) Replace the contact on
evaporator fan motor
1) Power cable and plug
8 Electric insulation check
2) Compressor
3) Condenser fan motor
4) Evaporator fan motor
9
Starting procedure inspection
1) Installation conditions of sensor
2) Inspection of sensor and sensor
10 Thermosensor
lead for damage
3) Indication error inspection and
replacement
11 Humidity sensor Replacement
PT/CT (voltage and current)
12
indication error inspection
Pressure sensor indication
13 error inspection
3-44
Refrigeration systemElectrical system
03LXE10E100以降(42-52)E.qx08.8.137:00PMページ3-44
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