Gree GMV-S120WL/A-S Manual Del Propietário página 19

4.3.3 Pipe Bending
(1) Reshape the pipe by hand. Be careful not to damage the pipe.
(2) Do not bend the pipe at over 90°.
(3) If pipe is repeatedly bent or stretched, it will get hard and difficult to be bent and stretched again.
Therefore, do not bend or stretch the bend for over 3 times.
(4) In case that direct bending will open cracks to the pipe, first use sharp cutter to cut the insulating
layer, as shown in Fig.11. Bend the pipe after it is exposed. When bending is done, wrap the pipe
with insulating layer and then secure it with adhesive tape.
4.3.4 Pipe Connection of Indoor Unit
(1) Remove pipe cover and pipe plug.
(2) Direct the flare part of copper pipe to the center of screwed joint. Twist on the flare nut tightly by hand,
as in Fig.12. (Make sure indoor pipe is correctly connected. Improper location of the center will
prevent flare nut from being securely twisted. Thread of nut will get damaged if the flare nut is
twisted forcibly.)
(3) Use torque wrench to twist on the flare 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.13.)
(4) Use sponge to wrap the un-insulated connection pipe and joint. Then tie the sponge tightly with
plastic tape.
(5) Connection pipe should be supported by a bearer rather than the unit.
(6) The bending angle of connection pipe should not be too small; otherwise the pipe might be cracked.
Please use a pipe bender to bend the pipe.
(7) When connecting indoor unit with connection pipe, do not pull the big and small joints of indoor unit
with force in case the capillary tube or other tubes be cracked and cause leakage.
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Fig.12
Fig.13
14