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5.3.5 Checking the Pipe Connections for Gas Leaking
For both indoor and outdoor unit side, check the joints for gas leaking by the use of
a gas leakage detector without fail when the pipes are connected.
5.3.6 Heat Insulation on the Pipe Joints (Indoor Side Only)
Stick coupler heat insulation (large and small) to the place where connecting pipes.
5.3.7 Liquid Pipe and Drain Pipe
(1). If the outdoor unit is installed lower than
the indoor unit (See Fig. 4.15)
1). A drain pipe should be above ground
and the end of the pipe does not dip
into water. All pipes must be restrained
to the wall by saddles.
2). Taping pipes must be done from
bottom to top.
3). All pipes are bound together by tape
and restrained to wall by saddles.
DC Inverter U-match Series Floor Ceiling Type Unit
Fig. 4.14
21
Fig. 4.15
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