GREE Multi Variable Air Conditioners Indoor Unit
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Fig. 4.2 Fig. 4.3
4.3 Indoor Pipe Connection
(1) Remove pipe cover and pipe plug.
(2) Direct the flared part of copper pipe to the center of screwed joint. Twist on the flared nut tightly
by hand, as in Fig. 4.4 (Make sure indoor pipe is correctly connected. Improper location of the
center will prevent flared nut from being securely twisted. Thread of nut will get damaged if the
flared nut is twisted forcibly).
(3) Use torque wrench to twist on the flared nut tightly until the wrench gives out a click sound
(Hold the handle of wrench and make it at right angle to the pipe. as in Fig. 4.5).
1
Use sponge to wrap the un-insulated connection pipe and joint. Then tie the sponge tightly with plastic tape.
2
Connection pipe should be supported by a bearer rather than the unit.
3
The bending angle of piping should not be too small; otherwise the piping might have cracks. Please use a
pipe bender to bend the pipe.
4
When connecting IDU with connection pipe, do not pull the big and small joints of IDU with force in case the
capillary tube or other tubes have cracks and cause leakage.
Fig. 4.4 Fig. 4.5
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