8 Finishing the indoor unit installation
Installation manual
12
FTXTP-M_FTXTP-N
Daikin room air conditioner
3P650253-16U – 2023.03
Component
Interconnection cable
(indoor↔outdoor)
Voltage
220~240 V
Wire size
Only use harmonized wire
providing double insulation
and suitable for applicable
voltage
4-core cable
1.5 mm²~2.5 mm
2
(based on
outdoor unit)
7.2
To connect the electrical wiring to
the indoor unit
WARNING
Provide adequate measures to prevent that the unit can be
used as a shelter by small animals. Small animals that
make contact with electrical parts can cause malfunctions,
smoke or fire.
NOTICE
▪ Keep the power line and transmission line apart from
each other. Transmission wiring and power supply
wiring may cross, but may NOT run parallel.
▪ In order to avoid any electrical interference, the
distance between both wirings should ALWAYS be at
least 50 mm.
Electrical work should be carried out in accordance with the
installation manual and the national electrical wiring rules or code of
practice.
1
Set the indoor unit on the mounting plate hooks. Use the " "
marks as a guide.
b
a
c
a
Mounting plate (accessory)
b
Interconnection cable
c
Wire guide
2
Open the front panel, and then the service cover. Refer to the
Installer reference guide for opening procedure. For location of
the installer reference guide refer to
6].
3
Pass the interconnection cable from the outdoor unit through
the feed-through wall hole, through the back of the indoor unit
and through the front side.
Note:
In case the interconnection cable was stripped in advance,
cover the ends with insulating tape.
4
Bend the end of the cable up.
a
b
c
a
Terminal block
b
Electrical component block
c
Cable clamp
5
Strip the wire ends approximately 15 mm.
6
Match wire colours with terminal numbers on the indoor unit
terminal blocks and firmly screw the wires to the corresponding
terminals.
7
Connect the earth wire to the corresponding terminal.
8
Firmly fix the wires with the terminal screws.
9
Pull the wires to make sure that they are securely attached,
then retain the wires with the wire retainer.
10
Shape the wires so that the service cover fits securely, then
close the service cover.
8
Finishing the indoor unit
installation
8.1
To insulate the drain piping,
refrigerant piping and
interconnection cable
f
g
h
a
b
c
d
e
a
Slit
b
Heat insulation pipe cover
c
Liquid pipe
d
Gas pipe
e
Drain pipe
f
Interconnection wire
g
Insulation tape
h
Vinyl tape
1
After the drain piping, refrigerant piping and the electrical wiring
are finished. Wrap refrigerant piping, interconnection cable and
drain hose together using insulation tape. Overlap at least half
the width of the tape with each turn.
d
e
c
b
f
a
2×
a
Drain hose
b
Interconnection cable
c
Mounting plate (accessory)
d
Refrigerant piping
e
Indoor unit fixing screw M4×12L (accessory)
f
Bottom frame
