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Figure 5-2 Transmission line supply classification
Power supply unit
G-50A
M-NET model
Centralized transmission line
K-control centralized transmission line
Indoor/outdoor transmission line
Extended transmission line
A-control type
K-control model
Relay port
K-transmission
converter
Power supply unit
Power supply unit
OA Processing unit
(SW3-1 to ON)
PAC-SF46EPA
G-50A
Lossnay remote control
Group 1 Group 3
Lossnay Lossnay
Group 4
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 : supplied by transmission line supply unit
Indoor/outdoor transmission line : supplied by outdoor unit
K-control centralized transmission line : supplied by K-transmission converter (KA)
Extended transmission line : supplied by relay port
Only for the Lossnay system, please use the power supply unit (PAC-SC50KUA, PAC-SF46EPA).
Figure 5-3 Electricity supply using a Lossnay system
(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.
Electric power supply
Centralized control
transmission line
Regular electric
power supply
Indoor/outdoor
transmission line
TB7 TB3
No electricity supply
Centralized control
transmission line
Regular electric
power supply
Indoor/outdoor
transmission line
TB7 TB3
When inserting the CN-40
*K-control outdoor unit Factory shipping condition *M-NET outdoor unit Factory shipping condition
When inserting the CN-41