System Diagram - Mitsubishi Electric G-50A Installation Manual

4 System diagram

K transmission converter
211
Model:PAC-SC25KAA
NOTE
* This diagram does not show
the AC power supply wiring.
Only the configuration for
the transmission line is
shown.
LAN
Central controller
Model: G-50A
* Address setting for each M-NET device (The same 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
K control side remote controller
M-NET remote controller
MA remote controller
OA processing unit/LOSSNAY
K transmission converter
NOTE
* The following precautions will apply when using the K transmission converter (model: PAC-SC25KAA) and controlling the M-NET
model and K control model with the same controller.
Refer to the K transmission converter installation manual for details.
1 Central controller address
Always set the controller address to "000".
(Refer to section 6 Initial setting .)
2 Central controller function selects
Always set the No.3 function selects of the controller to "ON"
(Refer to section 6 Initial setting .)
3 Indoor unit address
Set all M-NET model indoor units from the No.1 unit, and then set the K control model addresses.
Indoor unit No.1 unit ~M-NET indoor unit max. address->K control indoor unit min. address ~50
4 K control model group No.
The min.indoor address No. of that group becomes the group No. (Same for K control side local remote controller.)
K control
outdoor unit
Group 11
K
Group No.
M-NET
outdoor unit
BC controller
M-NET
outdoor unit
Group 1
MA
M-NET
Power supply unit (optional)
Model:PAC-SC50KUA
Power(DC12V)
Set the indoor unit you want to make the master unit in the same group to the mini-
mum address, and sequentially set the indoor unit addresses in the same group.
Min.indoor unit address in same refrigerant system + No.50 unit.
Outdoor unit address in same refrigerant system + No.1 unit.
However, for Sub-BC controller, minimum indoor unit address that connects the lo-
cal 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 + No.200 unit.
Group 13
K
Group No.
Group 3
ME
MA
Address setting method
– 3 –
Indoor unit
Local remote controller
M-NET side: [ME] PAR-F27MEA
MA side:
M-NET transmission line
K transmission line
MA remote controller line
The numbers in the
indicate the address No.
LOSSNAY
Group 2
[CR] PAC-SE51CRA
PAR-20/21MAA
PAR-FA(FL)31MA
PAC-YT51CRA
Address
1~50
51~100
52~100
1~50
101~200
-
1~50
201~250