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d. The bendable pipe may not be bent for more than 3 times.
Bend the thin pipe
a. While bending, expose the pipe by cutting the concave gap on the bending
heat-insulation pipe(roll it with soft band after bent).
b. To avoid pipe deformation, the radius is the bigger the better.
c. Use a pipe-bending device to make the compact bending pipe.
5.3.2.3 Using bronze pipe selling in market
Completely shut the cut-off valves of the outdoor unit (as ex-work status). After t
he refrigerant pipe has been connected with both the indoor and outdoor unit, let th
e air exhaust out from the maintenance gap on he low-pressure cut-off valves of
the outdoor unit. Screw the nuts tightly on the maintenance gap after the air has
been drained.
5.3.2.4 To make the refrigerant pipe unblocked completely
You should keep the cut-off valves of the outdoor unit completely open after you
have finished the above steps (5.3.2.2 or 5.3.2.3)
Note:
1.Before screwing the reamer nut, smear the pipe and the connecting surface with r
efrigerant oil;
2.Check and make sure there is no leakage by soap-water or leakage-checker after
connecting;
3.Be sure the connecting joint on the indoor side is insulated.
4.Use two wrenches to connecting the pipes.
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