Mitsubishi Electric CITY MULTI PUHY-P-ZKMU-A Installation Manual page 22

Example of a group operation system with multiple outdoor units (Shielding wires and address setting are
necessary.)
<Examples of transmission cable wiring>
[Fig. 11.3.1] M-NET Remote Controller
<A> Change the jumper connector
from CN41 to CN40 *1
<B> SW5-1:ON *2
<C> Keep the jumper connector on
CN41
<B> SW5-1:ON *2
A Group 1
B
Group 3
C
Group 5
D
Shielded wire
E
Sub remote controller
( ) Address
*1 : When the power supply unit is not connected to the transmission line for centralized control, disconnect the male power supply connector (CN41) from ONE
outdoor unit in the system and connect it to CN40.
*2 : If a system controller is used, set SW5-1 on all of the outdoor units to ON.
[Fig. 11.3.2] MA Remote Controller
<A> Change the jumper connector
from CN41 to CN40 *1
<B> SW5-1:ON *2
<C> Keep the jumper connector on
CN41
<B> SW5-1:ON *2
A
Group 1
B
Group 3
C
Group 5
D
Shielded wire
E
Sub remote controller
( ) Address
*1 : When the power supply unit is not connected to the transmission line for centralized control, disconnect the male power supply connector (CN41) from ONE
outdoor unit in the system and connect it to CN40.
*2 : If a system controller is used, set SW5-1 on all of the outdoor units to ON.
*3 : When a PAR-31MAA is connected to a group, no other MA remote controllers can be connected to the same group.
[Fig. 11.3.3] Combination of outdoor units and transmission booster unit
TB7 TB7
22
A
D
System
controller
A
D
System
controller
TB7
B C
E
B C
E
Ground