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7.2.6 To connect the refrigerant piping to the indoor unit
FTXP20~35N5V1B + ATXP20~35N5V1B
Split system air conditioners
4P519439-20U – 2022.09
a
a Flare's inner surface MUST be flawless.
b The pipe end MUST be evenly flared in a perfect circle.
c Make sure the flare nut is fitted.
▪
Pipe length. Keep refrigerant piping as short as possible.
1 Connect refrigerant piping to the unit using flare connections.
2 Insulate the refrigerant piping, interconnection cable and drain hose on the
indoor unit as follows:
c
a
b
f
a Gas pipe
b Gas pipe insulation
c Interconnection cable
d Liquid pipe
e Liquid pipe insulation
f Finishing tape
g Drain hose
NOTICE
Make sure to insulate all refrigerant piping. Any exposed piping might cause
condensation.
b
c
d
e
g
7
Piping installation
|
Installer reference guide
37
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