To Connect The Refrigerant Piping To The Indoor Unit - Daikin FHA50AVEB98 User Reference Manual

17.2.6 To connect the refrigerant piping to the indoor unit

FHA-A(9)
Split system air conditioner
4P708119-1 – 2022.11
3 Remove the flare nut from the stop valve and put the flare nut on the pipe.
4 Flare the pipe. Set exactly at the position as shown in the following figure.
A
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.
CAUTION
Install the refrigerant piping or components in a position where they are unlikely to
be exposed to any substance which may corrode components containing refrigerant,
unless the components are constructed of materials that are inherently resistant to
corrosion or are suitably protected against corrosion.
WARNING: MILDLY FLAMMABLE MATERIAL
The R32 refrigerant (if applicable) in this unit is mildly flammable. Refer to the
outdoor unit specifications for the type of refrigerant to be used.
Refrigerant piping can be connected from following directions:
b
a Rear right piping
b Right piping
c Upward piping
Rear right piping
1 Remove the rear piping pipe port cover and cut out the holes for piping. When
cutting out the holes, make sure to avoid the knob part of the cover.
Conventional flare tool
Clutch type
(Ridgid-type)
1.0~1.5 mm
b
c
c
a
17 Piping installation
|
Wing nut type
(Imperial-type)
1.5~2.0 mm
Installer and user reference guide
63