3-3
3.2 Manual Inspection
Some items subject to a manual inspection are listed below.
No. Inspection item Inspection content PTI
General structure
1
Inspection for physical
damage
✓
2 Loose mounting bolts
1) Casing frame ✓
2) Compressor ✓
3) Condenser fan motor ✓
4) Evaporator fan motor ✓
5) Control box ✓
6) Access panel ✓
3
Condition of panels,
hinges and lock
✓
4
Drain pan and drain hose
cleaning
✓
5 Control box inspection
Cover packing inspection and
replacement
✓
6
Sealing condition of holes
through casing frame
Air leakage and clearance ✓
Refrigerant system
1 Gas leakage ✓
2 Refrigerant
Inspection of moisture in the
refrigerant, and refrigerant charged
amount
✓
3
Inspection of service port
cap
Confirmation of attachment ✓
4
Liquid solenoid valve LSV
Check of installation for solenoid
valve coil
✓
Hot gas solenoid valve
HSV
✓
Economiser solenoid valve
ESV
✓
Reheater solenoid valve
coil RSV
✓
5
Electronic expansion valve
EEV
Check of installation for motorized
valve coil
✓
Economiser modulation
valve EMV
✓
Discharge
modulation
valve DMV
✓
6
Functional inspection and
replacement of sight glass
✓
7
Condition of fasteners on
the refrigerant pipes and
gauge pipes
✓
8 Condenser coil cleaning Water-cleaning ✓