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7.2.6 To connect the refrigerant piping to the indoor unit
FTXF20~42D5V1B + ATXF20~42D5V1B
Daikin room air conditioner
4P519439-16R – 2021.12
Flare tool for R32
(clutch type)
A
0~0.5 mm
5 Check that the flaring is properly made.
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.
WARNING: MILDLY FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
▪
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.
Conventional flare tool
Clutch type
(Ridgid-type)
1.0~1.5 mm
b
c
d
e
g
7
Piping installation
|
Wing nut type
(Imperial-type)
1.5~2.0 mm
Installer reference guide
37
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