Mitsubishi Electric PUMY-P36NKMU3 Technical & Service Manual page 46

• Name, Symbol, and the Maximum Units for Connection
Longest length via outdoor unit (M-NET cable): L
Longest transmission cable length (M-NET cable): L
MA Remote controller cable length: m
(51)
TB3
M1 M2 S
D
(53)
TB3
M1 M2 S
Power Supply
Unit
M1 M2 S
System
controller
M1 M2 S
A : Group
B : Group
C : Group
D : Shielded Wire
E : Sub MA Remote Controller
( ): Address example
• 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.
OCH733
+L +L
1 2 3
and L
1
and m +m +m and m
1 1 2 3
OC
TB7
M1 M2 S
OC
NO
TB7
M1 M2 S
+L and L +L +L +L [1640 ft [500 m] (AWG 16 [1.25 mm²] or more)
4 1 2 6 7
+L and L +L and L [656 ft [200 m] (AWG 16 [1.25 mm²] or more)
3 4 2 6 7
+m +m +m [ 656 ft [200 m] (AWG 22 to AWG 16 [0.3 to 1.25 mm²])
1 2 3 4
A
M-IC M-IC
(01) (02)
TB5 TB15 TB5 TB15
M1 M2 S
M1 M2 S
1 2 1 2
A B
MA-RC
M-IC M-IC
(04)
(03)
TB15 TB5 TB15
TB5
M1 M2 S M1 M2 S 1 2
1 2
A B
MA-RC
B
46
C
M-IC M-IC
(05) (06)
TB5 TB15 TB5 TB15
M1 M2 S M1 M2 S
1 2 1 2
A B A B
MA-RC MA-RC
E
NO
M-IC
(07)
TB15
TB5
M1 M2 S
1 2