English
20
2. For group control or use with 2 remote controllers
3. When including BS unit
[ PRECAUTIONS ]
1.
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.
2.
Do not ground the equipment on gas pipes, water pipes or lightning rods, or crossground with telephones.
Improper grounding could result in electric shock.
Note: It is not necessary to designate
indoor unit address when using
group control.
The address is automatically set
when power is activated.
Terminal box
Outdoor unit
No. 2
System
Indoor
unit A
Fig. 30
Indoor
unit B
Indoor
unit C
Most down-
stream
indoor unit
For use with 2
remote controllers
IN/D OUT/D
F
1
F
2
F
1
F
2
P
1
P
2
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
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
L N
L N
L N
L N
Power supply
220-240V
50Hz
or
220V
60Hz
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
Fig. 31
Terminal box
Terminal box
IN/D
OUT/D
F
1
F
2
F
1
F
2
BS unit
Terminal 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
or
220V
60Hz
Power supply
220-240V
50Hz
or
220V
60Hz
01_EN_3P161684-4E.fm Page 20 Monday, August 16, 2010 7:11 PM
