Mitsubishi Electric CITY MULTI PQHY-P-ZLMU Installation Manual page 32

2 Wiring examples
Name
Heat source unit Main unit
Sub unit
BC controller Main unit
Sub unit
Indoor unit Indoor unit controller
Remote controller
Other Transmission booster unit
Example of a group operation system with multiple heat source units (Shielding wires and address setting are
necessary.)
[Fig. 11.3.1] [Fig. 11.3.3] [Fig. 11.3.4] [Fig. 11.3.6] ME Remote Controller (P.15 - 17)
[Fig. 11.3.2] [Fig. 11.3.5] MA Remote Controller (P.15, 17)
<A>
<B>
<C>
A B
Group 1 Group 3
[Fig. 11.3.3] [Fig. 11.3.6] Combination of heat source units and transmission booster unit (P.16, 17)
A B
Ground
<Wiring Method and Address Settings>
one heat source unit in the system.
Unit
32
Code
OC
OS
BC
BS
IC
RC
RP
C Group 5 D
Shielded wire
Range
01 to 50
1 Indoor units connected to the main BC controller
2 Indoor units connected to BC sub controller 1
3 Indoor units connected to BC sub controller 2
2
01 to 50
51 to 100
51 to 100
indoor unit, set the new address to a vacant address within the set range.
51 to 100
101 to 150
151 to 200
Possible unit connections
E F
Sub remote controller System controller
Setting Method
1
3.
2, and that all