13
6. Electrical work
N
MA Remote Controller
Fig. 6-2
Fig. 6-3
A
: Group
B
: Group
C
: Group
D
: Shielded Wire
E
: Sub Remote Controller
F
: Screw on the electrical component box
( ): Address
N
M-NET Remote Controller
TB7
TB3
IC
(51)
TB5
RC
(01)
IC
TB5
(03)
IC
TB5
(02)
IC
TB5
(04)
IC
TB5
(05)
IC
TB5
(07)
IC
TB5
(06)
L
2
L
1
(101)
RC
(105)
RC
(104)
RC
(155)
OC
TB7
(53)
OC
3
L
3
L
6
L
7
L
4
L
5
2
4
1
N
N
N
N
M1 M2 S
M1 M2 S
M1 M2 S
M1 M2 S
A B
A B
A B
M1 M2 S
M1 M2 S
M1 M2 S
S
M1 M2 S
TB3
M1 M2 S
M1 M2 S
A B
M1 M2
M1 M2 S
M1 M2 S
TB7
S
M1 M2
TB7
IC
(51)
TB15
TB15
TB15
MA
(01)
IC
TB5
(03)
IC
TB5
TB5
(02)
IC
TB5
(04)
IC
(05)
IC
(07)
IC
(06)
L
1
MA
MA
MA
OC
(53)
OC
1
m
4
3
L
3
L
7
L
4
m
3
1
1
2
2
TB3
m
m
m
m
m
m
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
A B
1 2
1 2
M1 M2 S
1 2
1 2
TB15
TB5
M1 M2 S
1 2
TB15
TB5
M1 M2 S
1 2
A B
A B
TB15
TB5
M1 M2 S
1 2
TB15
A B
L
2
L
6
TB7
S
M1 M2
C
or
D
C
or
D
C
or
D
C
or
D
A
: Group
B
: Group
C
: Group
D
: Shielded Wire
E
: Sub Remote Controller
F
: Screw on the electrical component box
( ): Address
<Permissible Lengths>
1
M-NET Remote controller
• Max length via outdoor units:
L
1
+L
2
+L
3
+L
4
and L
1
+L
2
+L
3
+L
5
and L
1
+L
2
+L
6
+L
7
500 m (1.25 mm
2
or more)
• Max transmission cable length: L
1
and L
3
+L
4
and L
3
+L
5
and L
6
and L
2
+L
6
and L
7
200 m (1.25 mm
2
or more)
• Remote controller cable length: ℓ
1
, ℓ
2
, ℓ
2
+ℓ
3
, ℓ
4
10 m (0.5 to 1.25 mm
2
)
If the length exceeds 10 m, use a 1.25 mm
2
shielded wire. The length of this section (L8) should be included in the calculation of the
maximum length and overall length.
2
MA Remote controller
• Max 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 mm
2
or more)
• Max transmission cable length (M-NET cable): L
1
and L
3
+L
4
and L
6
and L
2
+L
6
and L
7
200 m (1.25 mm
2
or more)
• Remote controller cable length: m
1
and m
1
+m
2
+m
3
and m
1
+m
2
+m
3
+m
4
200 m (0.3 to 1.25 mm
2
)
Power Supply
Unit
System
controller
Power Supply
Unit
System
controller
TB7
TB3
(51)
L
3
L
1
OC
TB7
(53)
OC
DC24V
Power Supply
Unit
System
controller
L
4
L
5
M1 M2 S
M1 M2 S
S
M1 M2 S
TB3
M1 M2 S
M1 M2 S
M1 M2
TB3A
IC
(01)
IC
(02)
IC
(03)
IC
(04)
IC
MA
MA
MA
MA
RC
RC
RC
RC
(05)
IC
(06)
IC
(07)
IC
(08)
S1
S2
S3
TB3A
S1
S2
TB15
1
2
A
B
A
B
A
B
A
B
TB15
1
2
TB15
1
2
TB15
1
2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3A
S1
S2
S3
TB3B
S1
S2
S3
TB3C
S1
S2
S3
TB3D
S1
S2
S3
TB3E
S1
S2
S3
TB3A
S1
S2
S3
TB3B
S1
S2
S3
TB3C
S1
S2
S3
M1
M2
S
TB5
M1
M2
S
TB5
L
(01)
(06)
2
Branch Box
Branch Box
Fig. 6-4
<Permissible Lengths>
Max length via outdoor units (M-NET cable):
L
1
+ L
2
+ L
3
+ L
4
+ L
5
500 m (1.25 mm
2
or more)
Max transmission cable length (M-NET cable):
L
1
+ L
2
, L
3
, L
3
+ L
4
, L
5
200 m (1.25 mm
2
or more)
G
: Shielded wire
( ) : Address example
<Example of Transmission Cable Wiring: When Using a Branch Box>