Gree GUD1 OOW/NhA-X, Руководство пользователя

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DC Inverter U-match Series Cassette Type Unit
25
3.2.3.4 Connection Pipe of Indoor and Outdoor Units
NOTICE
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.
Sponge
Threaded fastener(×4)
Liquid pipe
Gas inlet pipe
Heat insulation sheath
(for the gas tube)
Heat insulation sheath
(for the liquid tube)
Pipe diameter (in.) Tightening torque (N·m)
1/4 15-30
3/8 35-40
1/2 45-50
5/8 60-65
3/4 70-75
7/8 80-85
Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve.