27
OCH634C
• Name, Symbol and the Maximum Remote controller Units for Connection
Permissible Lengths
Prohibited items
Longest transmission cable length
(1.25 mm²)
L
1
+ L
2
, L
2
+ L
3
, L
3
+ L
1
[
200 m
Remote controller cable length
1. If 0.5 to 1.25 mm²
R
1
,
R
2
[
10 m
2. If the length exceeds 10 m, the
exceeding section should be 1.25
mm² and that section should be
a value within the total exten-
sion length of the transmission
cable and maximum transmis-
sion cable length. (L
3
)
Same as above
Same as above
• Use the indoor unit (IC) address plus 150 as the sub remote controller address. In this
case, it should be 152.
• 3 or more remote controllers (RC) cannot be connected to 1 indoor unit.
• The remote controller address is the indoor unit main address plus 100. In this case, it
should be 101.
• M-NET remote controller (RC) and MA remote controller (MA) cannot be used together.
• Do not connect anything with TB15 of indoor unit (IC).
Name
Symbol
Maximum units for connection
Outdoor unit
OC
—
Indoor unit
IC
1 OC unit can be connected to 1 to 12 IC units
M-NET remote
controller
RC
Maximum 2 RC for 1 indoor unit, Maximum 12 RC for 1 OC
NO
TB5
TB15
(01)
(102)
IC(Main)
TB3
TB7
(51)
OC
TB5
TB15
(02)
IC(Sub)
M-NET RC
1 2
A B
M1 M2 S
M1 M2 S
M1 M2 S
1 2
M1 M2 S
NO
TB5
TB15
(01)
(101)
(Main)
(151)
IC
TB3
TB7
(51)
OC
TB5
TB15
(02)
IC
(Sub)
(102)
(Main)
(104)
1 2
A B
M1 M2 S
M1 M2 S
M1 M2 S
1 2
M1 M2 S
A B
A B
A B
A B
NO
(103)
(Sub)
M-NET RC
M-NET RC
M-NET RC
M-NET RC
M-NET RC
NO
TB5
TB15
(01)
(101)
IC
TB3
TB7
(51)
OC
TB5
TB15
(02)
IC
M-NET RC
TB15
MA-RC
1 2
A B
M1 M2 S
M1 M2 S
M1 M2 S
1 2
M1 M2 S
A B
