DC Inverter U-match Series Cassette Type Unit
26
Screw on the flare nut of the flaring connecting pipe on the outdoor unit valve.
The method of screwing the flare nut is the same with that for indoor unit.
Gas pipe
Liquid pipe
Pipe
coupling
or
or
3-way valve 2-way valve
3.2.3.5 Thermal Insulation of Pipe Joint (Only for Indoor Unit)
Stick coupler heat insulation (large and small) to the place where connecting
pipes.
Front outlet
Coupler heat
insulation (small)
on the pipe
Liquid pipe
Gas pipe
Reference A
Coupler heat insulation
(large) on the pipe
Heat insulation pipe
Reference A:
Cover this portion with heat
insulating material also without fail
No gap
3.2.3.6 Sealing of the Knock-off Hole
As for the built-in valve model, during the installation process for connection
pipe, when the connection pipe is passing through the knock-off hole, conduct
sealing with insulated cotton in the knock-off hole of outdoor unit to prevent small
animals from entering. See the following figure.
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