MXZ-SM42NAMHZ Service Manual
52
OCH789
• Name, Symbol, and the Maximum Units for Connection
Permissible LengthProhibited items
• Never connect together the terminal blocks (TB5) for transmission wires for CITY MULTI series indoor unit (M-IC) that
have been connected to different outdoor units (OC).
• M-NET remote controller and MA remote controller cannot be connected with the CITY MULTI series indoor unit of the
same group wiring together.
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
TB7TB3
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
TB15TB5
M1 M2
S
1 2
TB15TB5
M1 M2
S
1 2
TB15
D
System
controller
NO
NO
Maximum line length via outdoor unit (M-NET cable): L1+L2+L3+L4 and L1+L2+L6+L7 [1640 ft [500 m] (AWG 16 [1.25 mm²] or more)
Indoor/outdoor transmission line Maximum length (M-NET cable): L
1 and L3+L4 and L2+L6 and L7 [656 ft [200 m] (AWG 16 [1.25 mm²] or
more)
MA Remote controller cable length: m
1
and m
1
+m
2
+m
3
and m
1
+m
2
+m
3
+m
4
[ 656 ft [200 m] (AWG 22 to AWG 16 [0.3 to 1.25 mm²])