Mitsubishi Electric MXZ-SM72TAM-U1 Service Manual page 173

6. Electrical work
I Permissible Lengths
1. Maximum line length via outdoor unit (M-NET cable):
L1+L2+L3+L4+L5 ≤ 500 m [1640 ft] (1.25 mm² [AWG16] or more)
2. Maximum transmission cable length between Branch box and outdoor unit. (M-NET cable):
L1+L2, L3+L4, L5 ≤ 200 m [656 ft] (1.25 mm² [AWG16] or more)
3. Maximum transmission cable length between branch box and outdoor unit. (A-Control cable):
L6 ≤ 25 m [82 ft] (1.5 mm² [AWG14])
4. MA Remote controller cable length:
m1 ≤ 200 m [656 ft] (0.3 to 1.25 mm² [AWG22 to AWG16])
I Constraint items
OC
(51)
TB3
TB7
M1 M2 S M1 M2 S
L
3
A
OC
(53)
TB7
L
TB3
4
M1 M2 S
M1 M2 S
Power Supply
A
Unit
M1 M2 S
System
controller
M1 M2 S
*2
Different refrigerant systems cannot be connected together.
*1. Plural indoor units cannot be operated by a single remote controller.
*2. M-NET remote controller cannot be connected.
TB3A
Branch Box Branch Box
L
1
TB5 TB3B
M1
M2
S
TB3C
(01)
TB3D
L
2
TB3E
A
TB3A
Branch Box
Branch Box
TB5 TB3B
(06)
M1
M2
S
TB3C
A B
M-NET
RC
(101)
L m
6 1
TB TB5/TB15
1 A
S1 S1
A-IC MA-RC
2 B
S2 S2
(01)
S3 S3
TB TB5/TB15
A
S1 S1 A-IC 1
MA-RC
B
S2 S2 2
(02)
S3 S3
TB TB5/TB15
S1 S1 A-IC 1 A
MA-RC
S2
S2 2 B
(03)
S3 S3
TB
S1 S1 A-IC
WL-RC
S2 S2
(04)
S3 S3
TB
S1
S1
A-IC
S2 WL-RC
S2
(05)
S3
S3
TB TB5/TB15
S1
S1 A-IC 1 A
MA-RC
S2
S2 2 B
(06)
S3
S3
TB TB5/TB15
S1 S1 A-IC
1
S2 S2
(07) 2
S3 S3
TB
S1
S1 A-IC
S2 WL-RC
S2
(08)
S3
S3
( ) : Address
*1
en
28