Daikin FTXF25E5V1B - To Connect the Refrigerant Piping to the Indoor Unit

7 | Piping installation
Installer reference guide
37
FTXF20~42E5V1B + ATXF20~42E5V1B
Daikin room air conditioner
4P519439-19U – 2022.09
5 Check that the flaring is properly made.
a b
c
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.
7.2.6 To connect the refrigerant piping to the indoor unit
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
d
g
e
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.