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Installation
WIRING EXAMPLE
Fit the power supply wiring of each unit with a switch and fuse as shown in the drawing.
COMPLETE SYSTEM EXAMPLE (3 SYSTEMS)
1. When using 1 remote controller for 1 indoor unit.
(Normal operation)
Power supply
208-230V
Outdoor unit
60Hz
Control box
IN/D OUT/D
F
F
F
F
1
2
1
2
L1 L2
L1L2
P
P
F
1
2
1
Unit A
P
[ PRECAUTIONS ]
1. A single switch can be used to supply power to units on the same system. However, branch switches and branch
ground fault circuit interrupters must be selected carefully.
30
Power supply
Main
switch
Indoor unit
Remote controller
Power supply
Power supply
Power supply
208-230V
208-230V
60Hz
60Hz
L1 L2
L1 L2
F
T
T
L1L2
P
P
F
F
T
T
L1L2
P
P
F
F
T
T
2
1
2
1
2
1
2
1
2
1
2
1
2
1
2
Unit B
Unit C
P
P
P
P
P
1
2
1
2
1
2
Fig. 19
Power supply wire
Outdoor unit
Transmission wire
Switch
Fuse
Fig. 18
2. For group control or control by 2 remote controllers
208-230V
60Hz
Outdoor
L1 L2
Power supply
208-230V
Control box
60Hz
L1 L2
L1L2
P
P
F
F
T
T
1
2
1
2
1
2
L1 L2
Unit A
P
P
1
2
Most
downstream
unit
Note: It is not necessary to designate indoor unit
address when using group control.
The address is automatically set when
power is activated.
unit
Power supply
Power supply
208-230V
208-230V
IN/D OUT/D
F
F
F
F
1
2
1
2
60Hz
60Hz
L1 L2
L1 L2
P
P
F
F
T
T
L1 L2
P
P
F
F
T
T
L1 L2
P
P
F
F
1
2
1
2
1
2
1
2
1
2
1
2
1
2
1
Unit B
Unit C
P
P
1
2
Fig. 20
EDUS39-900-F10
Power supply
208-230V
60Hz
L1 L2
Most
downstream
unit
T
T
L1 L2
P
P
F
F
T
T
2
1
2
1
2
1
2
1
2
P
P
P
P
1
2
1
2
Control by 2
remote controllers
FXMQ-MF
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