42
OCH668B
• Name, Symbol, and the Maximum Units for Connection
Permissible
Length
Prohibited
items
• 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).
• M-NET remote controller and MA remote controller cannot be connected with the M-NET control indoor unit of the same
group wiring together.
Longest length via outdoor unit (M-NET cable): L
1
+L
2
+L
3
+L
4
and L
1
+L
2
+L
6
+L
7
[
500 m (1.25
E
more)
Longest transmission cable length (M-NET cable): L
1
and L
3
+L
4
and L
2
+L
6
and L
7
[
200 m (1.25
E
or more)
MA Remote controller cable length: m1 and m1+m2+m3 and m1+m2+m3+m4
[
200 m (0.3 to 1.25
E
)
A
: Group
B
: Group
C
: Group
D
: Shielded Wire
E
: Sub MA Remote Controller
( ): Address example
A
B
C
E
M-IC
(51)
TB5
TB15
TB15
TB15
TB15
MA-RC
(01)
M-IC
TB5
(03)
M-IC
TB5
(02)
M-IC
TB5
(04)
M-IC
(05)
M-IC
TB5
(07)
M-IC
(06)
MA-RC
MA-RC
MA-RC
OC
(53)
OC
Power Supply
Unit
TB7
TB3
M1 M2 S 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
A B
A B
A B
A B
1 2
1 2
1 2
1 2
1 2
TB15
TB5
M1 M2 S 1 2
TB15
TB5
M1 M2 S 1 2
TB15
D
System
controller
NO
NO