System Diagram - Mitsubishi Electric GB-50A Installation Manual

4

System Diagram

Note
●This diagram does not show
the AC power supply wiring.
Only the configuration for the
transmission line is shown.
* Address setting for each M-NET device (The address cannot be duplicated.)
* The K transmission converter (PAC-SC25KAA) and OA processing unit (LOSSNAY) are not included in
systems shipped to North America (USA & Canada).
Indoor unit
Outdoor unit
BC controller/OS controller
* OS: Subsidiary Outdoor unit
K control side remote controller
M-NET remote controller
MA remote controller
OA processing unit/LOSSNAY
K transmission converter
Address setting method
Set the indoor unit you want to make them master unit in
the same group to the minimum address, and sequentially
set the indoor unit address in the same group.
Min. indoor unit address in same refrigerant system + 50
Outdoor unit address in same refrigerant system + 1
However, for Sub-BC controller, minimum indoor unit
address that connects the local refrigerant piping + 50.
Same address as indoor unit master unit
Set to the minimum indoor unit master address in the
same group + 100.
Address setting is unnecessary.
After setting all the indoor units, set an arbitrary address.
Min. address of K control indoor unit + 200
5
PAR-20/21MAA (MA)
Address
1-50
51-100
52-100
1-50
101-200
-
1-50
201-250