AT
AT
AT
AT Air
Air
Air
Air Conditioner
Conditioner
Conditioner
Conditioner
- 161 -
Instruction and Operation
Precautions
9. Generally, dust covers are adopted for A/C
components , in order to avoid access of sewage ,
dust and moisture. D ust covers should be removed
before operation and sealed after operation.
10. During the reinstallation of A/C system after
removal, please apply refrigera nt oil onto the
O-ring. A s for screwed joints, install them by hand
and then use two wrenches for tightening. A s for
the flanged joints, install nuts and bolts when
pushing the pipeline gently.
11. During A/C installation, over tightening or
clamping of O-ring may cause refrigerant leakage,
so please operate as per specified torque.
12. Hoses shall be free from distortion.
M oisture
D ust
First by hand and then with tools
T ighten to the specified torque
Don ’ t distort hose.
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