Gree GUD35ZD/A-T Owner's Manual page 28

DC Inverter U-match Series Floor Ceiling Type Unit
(4). When bending the pipe, do not bend it
excessively, otherwise it will get broken. As
shown beside, use a sharp cutter to cut the
heat insulating pipe and bend it after the pipe
is exposed. After bending, place the heat
insulating pipe back on the pipeline and fix it
with adhesive tape.
3.2.3.4 Connection Pipe of Indoor and Outdoor Units
①.
Connect the pipe to the unit. Please follow the instructions stated in the figures
below. Use both spanner and torque wrench.
②.
When connecting the tapered screw nut, first apply chilled machine oil on its
inner and outer surface and then screw it up for 3~4 circles.
③.
Confirm the tightening torque by referring to the following table (If the screw
nut is over-twisted, it may be damaged and cause leakage).
④.
Check whether gas leakage occurs to the connection pipe and then apply
thermal insulation, as shown below.
⑤.
Wind sponge around the joint of gas pipe and heat insulation sheath of gas
collecting pipe.
⑥.
Be sure to connect gas pipe after liquid pipe is connected.
NOTICE
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