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• Name, Symbol and the Maximum Remote controller Units for Connection
Name
Outdoor unit
Indoor unit
Symbol
OC
IC
M-NET remote
controller
RC
Maximum units for connection
—
1 OC unit can be connected to 1~9 (P112)/1~10 (P125)/1~12 (P140) IC units
Maximum 2 RC for 1 indoor unit, Maximum 12 RC for 1 OC
Permissible Lengths
Longest transmission cable length
(1.25 mm²)
L1 + L2, L2 + L3, L3 + L1 [ 200m
Remote controller cable length
1. If 0.5 to 1.25 mm²
R1, R2 [10m
2. If the length exceeds 10 meters,
the exceeding section should be
1.25 mm² and that section should
be a value within the total extension length of the transmission
cable and maximum transmission cable length. (L3)
Prohibited items
• M-NET remote controller (RC) and MA remote controller (MA) cannot be used together.
• Do not connect anything with TB15 of indoor unit (IC).
OC
51
IC
IC
01
02
TB3
TB7
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2 S
M1 M2 S
1 2
M1 M2 S
1 2
A B
A B
TB15
101
MA
RC
Same as above
OC
51
TB3
M1 M2 S
Same as above
IC
IC
01
02
TB7
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2 S
1 2
M1 M2 S
1 2
A B
A B
A B
A B
A B
101
151
102
103
104
RC
(Main)
RC
(Sub)
RC
(Main)
RC
(Sub)
RC
OC
51
IC(Main)
IC(Sub)
01
02
TB3
TB7
TB5
TB15
TB5
TB15
M1 M2 S
M1 M2 S
M1 M2 S
1 2
M1 M2 S
1 2
A B
102
RC
OCH547
• 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 controller (RC) cannot be
connected to 1 indoor
unit.
27
• The remote controller
address is the indoor
unit main address plus
100. In this case, it
should be 101.