8 Finishing the outdoor unit installation
a-A
a-B
a-C
a-D
a-E
e-A
a
Terminal for room (A, B, C, D, E)*
b
Circuit breaker
c
Residual current device
d
Power supply wire
e
Interconnection wire for room (A, B, C, D, E)*
*May differ depending on the model.
4 Tighten the terminal screws securely using a Philips
screwdriver.
5 Check that the wires do not disconnect by pulling them lightly.
6 Firmly secure the wire retainer to avoid external stress on wire
terminations.
7 Pass the wiring through the cutout on the bottom of the
protection plate.
8 Make sure the electrical wiring does not contact with the gas
piping.
2×
a
a
Wire retainer
9 Reattach the switch box cover and the service cover.
Installation manual
16
b
c
d
e-D
e-C
e-B
e-E
L N
1 2 3
1 2 3
8
Finishing the outdoor unit
installation
8.1
To finish the outdoor unit
installation
DANGER: RISK OF ELECTROCUTION
▪ Make sure that the system is earthed properly.
▪ Turn OFF the power supply before servicing.
▪ Install the switch box cover before turning ON the
power supply.
1 Insulate and fix the refrigerant piping and cables as follows:
d
c
a
e
b
f
g
a
Gas pipe
b
Gas pipe insulation
c
Interconnection cable
d
Field wiring (if applicable)
e
Liquid pipe
f
Liquid pipe insulation
g
Finishing tape
2 Install the service cover.
9
Configuration
9.1
About standby electricity saving
function
The standby electricity saving function:
▪ turns OFF the power supply to the outdoor unit and,
▪ turns ON the standby electricity saving mode on the indoor unit.
The standby electricity saving function works with following units:
3MXM40, 3MXM52
If another indoor unit is used, the connector for standby electric
saving MUST be plugged in.
The standby electricity saving function is turned OFF before
shipping.
9.1.1
To turn ON standby electricity saving
function
Prerequisite: The main power supply MUST be turned OFF.
1 Remove the service cover.
2 Disconnect the selective standby electricity saving connector.
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
FTXM, FTXP, FTXJ, FVXM,
CTXA, CTXM, CVXM
R32 Split series
3P774208-3 – 2024.05