DC Inverter U-match Series Duct Type Unit
16
4.3.5 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.
4.3.6 Heat Insulation on the Pipe Joints (Indoor Side Only)
Stick coupler heat insulation (large and small) to the place where connecting pipes.
Fig. 4.16
4.3.7 Liquid Pipe and Drain Pipe
(1). If the outdoor unit is installed lower than the
indoor unit (See Fig. 4.17)
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.
Fig. 4.17
