Mitsubishi Electric PUMY-P112VKM3 Technical & Service Manual page 45

• 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: m1 and m1+m2+m3 and m1+m2+m3+m4 [ 200 m (0.3 to 1.25 E)
(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.
OCH632A
OC
TB7
M1 M2 S
OC
NO
TB7
M1 M2 S
+L +L +L and L +L
1 2 3 4 1
and L +L and L +L
1 3 4 2
A
M-IC M-IC
(01) (02)
TB5 TB15 TB5 TB15
M1 M2 S
1 2 M1 M2 S 1 2
A B
MA-RC
M-IC
M-IC
(04)
(03)
TB5 TB15 TB5 TB15
M1 M2 S M1 M2 S
1 2
1 2
A B
MA-RC
B
45
+L +L [ 500 m (1.25 E more)
2 6 7
and L [ 200 m (1.25 E or more)
6 7
C
M-IC M-IC
(05) (06)
TB5 TB15 TB5 TB15
M1 M2 S 1 2 M1 M2 S 1 2
A B A B
MA-RC MA-RC
E
NO
M-IC
(07)
TB5 TB15
M1 M2 S
1 2