To Connect The Refrigerant Piping To The Indoor Unit - Daikin FTXP25M5V1B9 Installer's Reference Manual

7 | Piping installation

7.2.6 To connect the refrigerant piping to the indoor unit

Installer reference guide
32
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.
▪ 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
Wing nut type
(Imperial-type)
1.5~2.0 mm
FTXP20~35M5V1B9
Split system air conditioners
4P519439-7S – 2021.12