Mitsubishi Electric PUMY-P112VKM1 Service Manual page 33

• Name, Symbol, and the Maximum Units for Connection
• Longest length via outdoor units : L
• Longest transmission cable length : L
• M-NET Remote controller cable length : R
M1 M2 S
M1 M2 S
Power Supply
A : Group
B : Group
C : Group
D : Shielded Wire
E : Sub M-NET 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).
• Set all addresses to ensure that they are not overlapped.
• M-NET remote controller and MA remote controller cannot be connected with the M-NET control indoor unit of the same
group wiring together.
OCH576
+L +L +L L
1 2 3 4,
L +L , L
1, 3 4 3+
, R
,R
1 2
If the length exceeds 10 meters, use a 1.25 mm² shielded wire. The length of this sec-
tion (L ) should be included in the calculation of the maximum length and overall length.
8
OC
(51)
TB3 TB7
M1 M2 S
D
OC
(53)
NO
TB3 TB7
M1 M2 S
Unit
M1 M2 S
System
controller
M1 M2 S
[ 500 meters (1.25 mm²)
+L +L L L +L +L +L
1 2 3+ 5, 1 2 6 7
[ 200 meters (1.25 mm²)
L , L L +L , L
5 6, 2 6 7
[ 10 meters (0.5 to 1.25 mm²)
, R
+R
2 3 4
A
M-IC M-IC
(01) (02)
TB5 TB5
M1 M2 S M1 M2 S
A B
(101)
M-NET RC
M-IC
M-IC
(04)
(03)
TB5 TB5
M1 M2 S M1 M2 S
A B
(104)
M-NET RC
B
33
C
M-IC
M-IC
(05) (06)
TB5 TB5
M1 M2 S M1 M2 S
A B A B
(105) (155)
M-NET RC M-NET RC
NO
E
M-IC
(07)
TB5
M1 M2 S