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• Name, Symbol and the Maximum Remote controller Units for Connection
Name Symbol Maximum units for connection
Outdoor unit
OC
—
Indoor unit
IC
One OC unit can be connected to 1-6 (P36)/1-8 (P48) IC units
M-NET remote controller
RC
Maximum 2 RC for 1 indoor unit, Maximum 16 RC for 1 OC
Permissible Lengths Prohibited items
Longest transmission cable length
(1.25 mm
2
[AWG16])
L
1 + L2, L2 + L3, L3 + L1 [ 200m
[656ft]
Remote controller cable length
1. If 0.5 to 1.25 mm
2
[AWG20 to AWG16]
R
1, R2 [10m [33ft]
2. If the length exceeds 10 meters
[33ft], the exceeding section
should be 1.25 mm
2
[AWG16]
and that section should be a
value within the total extension
length of the transmission cable
and maximum transmission
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.
• Three or more remote
controller (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.
M1M2
TB5
S12
TB15
01
102
IC(Main)
AB
M1M2
TB3
SAB
TB7
51
OC
S
M1M2
TB5
S12
2
TB15
02
IC(Sub)
RC
M1M2
TB5
S12
TB15
01
101
RC
(Main)
151
IC
M1M2
TB3
SAB
TB7
51
OC
S
M1M2
TB5
S12
TB15
02
IC
RC
(Sub)
102
RC
(Main)
103
RC
(Sub)
104
RC
AB AB AB AB AB
M1M2
TB5
S12
TB15
01
101
IC
AB
M1M2
TB3
SAB
TB7
51
OC
S
M1M2
TB5
S12
TB15
02
IC
RC
TB15
AB
MA
• M-NET remote controller (RC) and MA remote controller (MA) cannot be used together.
• Do not connect anything with TB15 of indoor unit(IC).