English
17
2. For group control or use with 2 remote controllers
3. When including BS unit
[ PRECAUTIONS ]
1.
All transmission wiring except for the remote controller wires is polarized and must match the terminal
symbol.
2.
A single switch can be used to supply power to units on the same system. However, branch switches and
branch circuit breakers must be selected carefully.
3.
Do not ground the equipment on gas pipes, water pipes or lightning rods, or cross ground with telephones.
Improper grounding could result in electric shock.
IN/D OUT/D
F1 F2 F1 F2
Control box
L N
P
1
P
2
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
F
1
F
2
T
1
T
2
L N
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
2
P
1
P
2
L N
Outdoor unit
No. 2
System
Indoor
unit A
Indoor
unit B
Indoor
unit C
Most downstream
indoor unit
Fig. 24
For use with 2
remote controllers
Power supply
220-240V
50Hz
Note: It is not necessary to designate indoor unit
address when using group control.
The address is automatically set when power is
activated.
Fig. 25
IN/D OUT/D
F
1
F
2
F
1
F
2
IN/D
OUT/D
F
1
F
2
F
1
F
2
L N
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
BS unit
No. 3
System
Outdoor unit
Indoor unit A
Most
downstream
indoor unit
Control box
Control box
IN/D
OUT/D
F
1
F
2
F
1
F
2
BS unit
Control box
L N
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L N
L N
Power supply
220-240V
50Hz
Power supply
220-240V
50Hz
01_EN_3P156215-12U.fm Page 17 Thursday, August 27, 2009 4:09 PM
