78
Installation and Maintenance
Service Manual
F:Inspection
port again according to the steps above.
Improper pipe expanding is the main cause of refrigerant leakage.Please
expand the pipe according to the following steps:
A:Cut the pip
B:Remove the burrs
C:Put on suitable insulating pipe
D:Put on the union nut
the union nut on the pipe.
E:Expand the port
Outer diameter(mm)
A(mm)
Max Min
1.3 0.7
1.6 1.0
1.8 1.0
2.4 2.2
Appendix 3: Pipe Expanding Method
Note:
Note:
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