Mitsubishi Electric PUMY-P250YBM2-ER Technical & Service Manual page 31

• Name, Symbol, and the Maximum Units for Connection
• Maximum line distance via outdoor unit: L
• Indoor/outdoor transmission line Maximum distance: L
• M-NET Remote controller cable length: R
M1 M2 S
M1 M2 S
Power Supply
M1 M2 S
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 CITY MULTI series 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 CITY MULTI series indoor unit of the
same group wiring together.
TCH091
+L +L
1 2 3
, R +R
1 2
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 max length via
outdoor units and max transmission cable length.
OC
(51)
TB3 TB7
M1 M2 S
D
OC
(53)
NO
TB3 TB7
M1 M2 S
Unit
System
controller
M1 M2 S
+L L +L +L L L +L +L
4, 3 4 5+ 6, 1 2 5
L +L L +L , L [ 200 m (1.25 mm²)
1, 3 4, 2 5 6
[ 10 m (0.5 to 1.25 mm²)
3
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
31
+L [ 500 meters (1.25 mm²)
6
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