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12 Unit installation
Installation and operation manual
17
FXAA15~63AUV1B
VRV system air conditioner
3P622285-1B – 2020.10
12.3.4
To hook the unit on the mounting plate
1
Remove the front panel (
2
Set the indoor unit on the mounting plate hooks. Use the " "
marks as a guide.
3
Place piece of packing material for support.
a
c d
b
e
a
Front grille
b
Refrigerant piping
c
Tab 2×
d
Mounting plate (accessory)
e
Piece of packing material
12.3.5
To pass the pipes through the wall hole
1
Connect the drain piping
the refrigerant piping
18] and the
2
Shape the refrigerant pipes along the pipe path marking on the
mounting plate.
3
Fix the electrical wiring and the refrigerant pipes together using
vinyl tape (field supply).
c
e
f
b
d
a
A
A
c g
a
Drain hose
b
Wall hole
c
Refrigerant piping
d
Electrical wiring
e
Vinyl tape (field supply)
f
Power supply wiring
g
Transmission wiring and user interface wiring
NOTICE
▪ Do NOT bend refrigerant pipes.
▪ Do NOT push the refrigerant pipes onto the bottom
frame or the front grille.
4
Pass the drain hose and refrigerant pipes through the wall hole.
5
When the complete installation is finished (drain piping
17], the refrigerant piping
18] and the electrical wiring
19]), fix the indoor unit on the
mounting plate
"15.1 To fix the unit on the mounting
21].
12.3.6
To provide drainage
Make sure condensation water can be evacuated properly. This
involves:
▪ General guidelines
▪ Connecting the drain piping to the indoor unit
▪ Checking for water leaks
General guidelines
▪
Pipe length.
Keep drain piping as short as possible.
▪
Pipe size.
Keep the pipe size equal to or greater than that of the
connecting pipe (vinyl pipe with nominal Ø13 mm).
365
Ø18
(mm)
NOTICE
▪ Install the drain hose with a downward slope.
▪ Traps are NOT permitted.
▪ Do NOT put the end of the hose in water.
▪
Drain hose extension.
When extending the drain hose, use a
field supplied extension hose with nominal Ø13 mm. Do NOT
forget to use a heat insulation tube on the indoor section of the
extension hose.
a
b
c
Ø18
a
Drain hose supplied with the indoor unit
b
Heat insulation tube (field supply)
c
Extension drain hose (field supply)