Mitsubishi Electric City Multi PUMY-SP112VKM Technical & Service Manual page 36

• Name, Symbol and the Maximum Remote controller Units for Connection
Name Symbol
Outdoor unit OC
M-NET control
M-IC
Indoor unit
M-NET remote
M-NET RC Maximum 2 M-NET RC for 1 indoor unit, Maximum 12 M-NET RC for 1 OC
controller
Permissible Lengths
Longest transmission cable length
(1.25 mm²)
L + L , L + L [ 200 m
1 2 3 1
M-NET Remote controller cable length
1. If 0.5 to 1.25 mm²
, R [10 m
R 1 2
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
OCH668B
Maximum units for connection
1 OC unit can be connected to 1 to 9 (SP112)/1 to 10 (SP125)/1 to 12 (SP140) M-IC units
• M-NET remote controller (M-NET RC) and MA remote controller (MA RC) cannot be
used together.
• Do not connect anything with TB15 of M-NET control indoor unit (M-IC).
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
A B
(101)
M-NET RC
(Main)
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
—
Prohibited items
M-IC
(01)
TB5 TB15
1 2
M1 M2 S
A B
(101)
M-NET RC
M-IC M-IC
(01) (02)
TB5 TB15 TB5 TB15
1 2 1 2
M1 M2 S M1 M2 S
NO
A B A B NO A B
(151) (102)
2M-NET RC
M-NET RC M-NET RC 1M-NET RC
(Sub) (Main) (Sub)
M-IC(Main) M-IC(Sub)
(01) (02)
TB5 TB15 TB5
M1 M2 S 1 2 M1 M2 S
NO
A B
(102)
1M-NET RC
36
M-IC
(02)
TB5 TB15
1 2
M1 M2 S
NO
A B
TB15
MA-RC
1 Use the M-NET control
indoor unit (M-IC)
address plus 150 as
the sub M-NET remote
controller address. In
this case, it should be
152.
2 3 or more M-NET
A B
remote controllers
(104)
(M-NET RC) cannot be
connected to 1 M-NET
control indoor unit.
TB15
1 2
1 The M-NET remote
controller address is
the M-NET control
indoor unit main
address plus 100. In
this case, it should be
101.