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14 Electrical installation
a
b
a
Rear refrigerant piping
b
Rear piping pipe port cover
2 Run the field supply pipes through the cut out holes.
3 After the drain and refrigerant piping is finished, install the pipe
port cover back. Run all the cables (except cable of expansion
valve) through the clamp of the pipe port cover and fix.
a b c
a
Clamp of the pipe port cover
b
Cables (except cable of expansion valve)
Upward piping
INFORMATION
L-shaped connection piping kit (optional accessory) is
required.
1 Remove the top 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. Use an L-shaped connection piping kit (optional
accessory) for the piping. Run the pipes through the cut out
holes.
b
a
a
Upward refrigerant piping
b
Top pipe port cover
Right piping
1 Remove the reinforcing plate at the right side and put back the
screw in the original position on the indoor unit.
2 Remove the decoration side panel.
3 Remove the rectangular part of the decoration side panel.
a b
c
d
e
f
a
Round part
b
Rectangular part of the decoration side panel
Installation and operation manual
20
c
Decoration side panel
d
Screw
e
Reinforcing plate
f
Right refrigerant piping
4 After the drain and refrigerant piping is finished, install the
reinforcing plate (optional step) and the decoration side panel
back.
c
a
b
a
Screw
b
Reinforcing plate
c
Decoration side panel
▪ 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
a
b
c
1
A
B
A
Gas piping
B
Liquid piping
a
Insulation material (field supply)
b
Tie wrap (accessory)
c
Insulation pieces: Large (gas pipe), small (liquid pipe)
(accessory)
d
Flare nut (attached to the unit)
e
Refrigerant pipe connection (attached to the unit)
f
Unit
g
Small sealing pad (accessory)
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.
14
Electrical installation
DANGER: RISK OF ELECTROCUTION
WARNING
ALWAYS use multicore cable for power supply cables.
B
d
b
e f
a
b
c
d
b
e f
3
2
3
2
1
g
4
FXHA-A
VRV system air conditioner
3P668115-5E – 2022.11
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