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Indoor unit connection
1.
Connect both liquid pipe and gas
pipe to indoor unit.
2.
Apply a thin coat of refrigeration
oil to the seat surface of pipe.
3.
For connection, align the center
of both pipe and union, then
tighten the first 3 to 4 turns in flare
nut by hand.
4.
For tightening the union part of
the indoor unit side, use the table
below as a standard and tighten
the flare section.
MCW - SVN13A - E4
Pipe Installation
Outdoor unit connection
1.
Connect pipes to the pipe joint
part of the stop valve in the same
method as the indoor unit.
2.
For tightening,use the same tigh-
tening torque applied for indoor
unit and tig then the flare nut with
torque wrench or spanner.
Insulation and taping
1.
Cover piping joints with pipe cover.
2.
For outdoor unit side, surely in-
sulate every piping including
valves.
3.
Using piping tape, apply taping
starting from the entry of outdoor
unit.
Fix the end of piping tape with
adhesive tape.
When piping has to be arranged
through above ceiling, closet
or area where the temperature
and humidity are high,wind
additional commercially sold
insulaton for prevention of
condensation.
21
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