Mitsubishi Electric PUMY-P200YKM2 Technical & Service Manual page 29

• Name, Symbol, and the Maximum Units for Connection
• Longest length via outdoor units : L
• Longest transmission cable length : L
• Remote controller cable length : R
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 indoor units (M-IC) that have been con-
nected 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 indoor unit of the same group wiring
together.
OCH675D
+L +L +L 4 , L
1 2 3 3
, L +L 4 , L +L
1 3 2
[ 10 m (0.5 to 1.25 mm²)
, R
+R
1 2 3
If the length exceeds 10 m, use a 1.25 mm² shielded wire.
The section of the cable that exceeds 10 m must be included in the longest length via
outdoor units and longest transmission cable length.
OC
(51)
TB3 TB7
M1 M2 S M1 M2 S
D
OC
(53)
NO
TB3 TB7
M1 M2 S M1 M2 S
Power Supply
Unit
M1 M2 S
System
controller
M1 M2 S
[ 500 m (1.25 mm²)
+L 4 +L +L , L +L +L +L
6 7 1 2 6 7
[ 200 m (1.25 mm²)
, L
6 7
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
29
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