To Connect The Refrigerant Piping To The Indoor Unit - Daikin FDA125A5VEB Manual

17.2.6 To connect the refrigerant piping to the indoor unit

FDA125A5VEB
Split system air conditioners
4P495031-1B – 2022.10
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.
▪ Pipe length. Keep refrigerant piping as short as possible.
▪ Flare connections. Connect refrigerant piping to the unit using flare connections.
▪ Insulation. Insulate the refrigerant piping on the indoor unit as follows:
A B
A Liquid piping
B Gas piping
a Insulation material (field supply)
b Tie wrap (field supply)
c Insulation pieces: Large (gas pipe), small (liquid pipe) (accessories)
d Flare nut (attached to the unit)
e Refrigerant pipe connection (attached to the unit)
f Unit
g Sealing pads: Medium 1 (gas pipe), medium 2 (liquid pipe) (accessories)
1 Turn up the seams of the insulation pieces.
2 Attach to the base of the unit.
3 Tighten the tie wrap on the insulation pieces.
4 Wrap the sealing pad from the base of the unit to the top of the flare nut.
NOTICE
Make sure to insulate all refrigerant piping. Any exposed piping might cause
condensation.
b
c
A
a b c d b e f a
3 2
1 1
g
4
17 Piping installation
|
B
b c d b e f
3 2
g
4
Installer and user reference guide
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