INSTALLATION INSTRUCTIONS
Refrigerant piping work
9
Gas pipe and liquid pipe insulation depends upon
copper pipe size and the insulation thickness = 3/8"
Gas Pipe
Connecting
Wire
Liquid
Pipe
Dia. Drain Pipe 1/2"
Piping Tape
Unscrew the flare nut for releasing pressure gas in the indoor unit.If there is no high pressure gas
blowing out, it is the signal of a leaking indoor unit.
9.4 The connection between an indoor unit and an outdoor unit.
Fit the flare nut to the liquid pipe.Flare the pipe's end with flare tool.
Tighten both flare nuts into gas pipe and liquid pipe at the indoor unit with two holding spanners.
9.1 Select copper pipes for gas and liquid as informed in specific table(see the pipe table below)
9.2 For dust and moisture protection, before assembly of the pipe and its insulation,both end of the
pipe must be covered.
9.3 Avoid pipe bending as much as possible.If it is necessary, the bending radius must be more than
3cm. or 4cm.
29
LIQUID PIPE TABLE
1/4"
1/4"
GAS PIPE TABLE
1/2"
3/8"
MODEL
PIPE SIZE
09K
3/8"
12K
18K
MODEL
PIPE SIZE
09K
1/4"
12K
18K
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