18
English
9-2
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)
2. For group control or use with 2 remote controllers
Power supply
Main
switch
Fuse
Switch
Power supply wiring
Transmission and remote controller wiring
Fig. 29
Outdoor unit
BS unit
(Only for Heat
recovery system)
Indoor unit
Remote controller
L N
P
1
P
2
Fig. 30
L N
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
L N
P
1
P
2
L N
P
1
P
2
F
1
F
2
T
1
T
2
L N
P
1
P
2
F
1
F
2
T
1
T
2
Most
downstream
Indoor unit
Indoor
unit C
Power supply
220-240V
~
50Hz
or
220V
~
60Hz
Indoor
unit B
Indoor
unit A
Control box
IN/D OUT/D
F1 F2 F1 F2
Outdoor unit
No. 1
System
L N
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
L N
P
1
P
2
F
1
F
2
T
1
T
2
L N
P
1
P
2
F
1
F
2
T
1
T
2
L N
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
Fig. 31
L N
Most
downstream
Indoor unit
Indoor
unit C
Power supply
220-240V
~
50Hz
or
220V
~
60Hz
Indoor
unit B
Indoor
unit A
Control box
IN/D OUT/D
F1 F2 F1 F2
Outdoor unit
No. 2
System
For use with 2
remote controllers
Note: It is not necessary to designate indoor unit
address when using group control.
The address is automatically set when power is
activated.
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