Regarding Power Supply Within The System - Mitsubishi Electric G-50A Technical Manual

5.1.2 Regarding power supply within the system

(1) Regarding power supply parts
Within the G-50A system, the parts serving to supply electricity are fixed for each transmission line.
Please take care there is no electricity supply overload to any one transmission line.
Centralized control transmission line
Indoor/outdoor transmission line
K-control centralized transmission line
Extended transmission line
G-50A
Power supply unit
Only for the Lossnay system, please use the power supply unit (PAC-SC50KUA, PAC-SF46EPA).
G-50A
Power supply unit
(2) Definition of the supply connector in the outdoor unit
In the outdoor unit, the power supply to the centralized control transmission line is fixed at the location
where the supply connector is packaged.
When using the G-50A, it is recommended to connect the G-50A to the centralized control transmission
line. Therefore, package the supply switching connector at the CN-41 side and please don't supply
power to the centralized control transmission line.
When inserting the CN-40
Electric power supply
Centralized control
transmission line
*K-control outdoor unit
M-NET model
A-control type
K-transmission
converter
K-control model
Relay port
Figure 5-2 Transmission line supply classification
PAC-SF46EPA
Power supply unit
Figure 5-3 Electricity supply using a Lossnay system
Regular electric
TB7 TB3
power supply
Indoor/outdoor
transmission line
Factory shipping condition
: supplied by transmission line supply unit
: supplied by outdoor unit
: supplied by K-transmission converter (KA)
: supplied by relay port
OA Processing unit
(SW3-1 to ON)
Lossnay remote control
Group 1
When inserting the CN-41
No electricity supply
Centralized control
transmission line
*M-NET outdoor unit
Centralized transmission line
K-control centralized transmission line
Indoor/outdoor transmission line
Extended transmission line
Lossnay Lossnay
Group 3 Group 4
Regular electric
TB7 TB3
power supply
Indoor/outdoor
transmission line
Factory shipping condition
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