22
3P184443-12N English
2. For group control or use with 2 remote controllers
P
1
P
2
F
1
F
2
T
1
T
2
P
1
P
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
P
1
P
2
F
1
F
2
T
1
T
2
L
1
L
2
L
1
L
2
L
1
L
2
L
1
L
2
F1 F2 F1 F2
L1 L2
IN/D OUT/D
Power supply
208/230V
1 ~ 60Hz
Note:
It is not necessary to designate indoor unit address when
using group control. The address is automatically set when
power is activated.
No. 2
System
Indoor
unit A
Indoor
unit B
Indoor
unit C
Most
downstream
Indoor unit
For use with 2
remote controllers
Outdoor unit
Control box
Fig.30
3. When including BS unit
F1 F2 F1 F2
F1 F2 F1 F2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
F1 F2 F1 F2
P
1
P
2
P
1
P
2
F
1
F
2
T
1
T
2
L
1
L
2
L
1
L
2
L1 L2
L1 L2
IN/D OUT/D
IN/DOUT/D IN/DOUT/D
Power supply
208/230V
1 ~ 60Hz
Power supply
208/230V
1 ~ 60Hz
No. 3
System
Indoor unit A Most
downstream
Indoor unit
Outdoor unit
BS unit BS unit
Control box
Control box Control box
Fig. 31
[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 connect the ground wire to gas or water pipes, lightning rods or telephone ground wires.
Incomplete grounding may result in electric shocks.
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