1-31
2-3
Basic function
System diagram
Model
Remote central control
without indoor remote
controller
• Central remote controller
TCB-SC641E
<Indoor remote controller>
• Main remote controller
RBC-AM1E
• Remote controller with
timer
RBC-AT1E
• Sub-remote controller
RBC-AS1E
@1
@2
@3
@15
@16
Outdoor unit
Single phase
220/230/240V
Power
supply
X. Y
P. Q
X. Y
P. Q
X. Y
P. Q
Single phase
220/230/240V
Power
supply
Single phase
220/230/240V
Power
supply
@
1#1
@
1#2
@
1#3
@2
@3
Outdoor unit
Central remote controller
Central remote controller
Indoor remote controller
is required
(Group)
@
1#1
@
1#2
@
1#3
@2
@3
Outdoor unit
Central remote controller
(Group)
However, when grouping operation is performed
by connecting multiple indoor units to 1 line,
the indoor remote controller is required.
Example of grouping operation