37
OCH668G
• Name, Symbol, and the Maximum Units for Connection
Permissible
Length
• Longest length via outdoor units : L
1
+L
2
+L
3
+L
4
, L
3
+L
4
+L
5
+L
6
, L
1
+L
2
+L
5
+L
6
[
500 m (1.25 mm²)
• Longest transmission cable length : L
1
, L
3
+L
4
, L
2
+L
5
, L
6
[
200 m (1.25 mm²)
• Remote controller cable length :
R
1
,
R
2
+
R
3
[
10 m (0.5 to 1.25 mm²)
If the length exceeds 10 m, use a 1.25 mm² shielded wire.
The section of the cable that exceeds 10 m must be included in the longest length via
outdoor units and longest transmission cable length.
Constraint items
A
B
C
E
D
M-IC
(51)
TB5
M-NET RC
(01)
TB5
(03)
M-IC
TB5
(02)
TB5
(04)
M-IC
TB5
(05)
TB5
(07)
M-IC
TB5
(06)
(101)
(105)
(104)
(155)
OC
(53)
OC
Power Supply
Unit
A
: Group
B
: Group
C
: Group
D
: Shielded Wire
E
: Sub M-NET Remote Controller
( ): Address example
TB7
TB3
M1 M2 S
TB7
M1 M2 S
M1 M2 S
TB3
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
A B
A B
A B
A B
M1 M2 S
System
controller
NO
NO
M-IC
M-IC
M-IC
M-NET RC M-NET RC
M-NET RC
• Never connect together the terminal blocks (TB5) for transmission wires for M-NET control indoor units (M-IC) that
have been connected to different outdoor units (OC).
• Set all addresses to ensure that they are not overlapped.
• M-NET remote controller and MA remote controller cannot be connected with the M-NET control indoor unit of the
same group wiring together.
