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Power Line; Dc Power Supply And M-net Transmission Line - Mitsubishi Electric PAC-SC50KUA Installation Manual

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2. Power line

Wire the power cable and protective earth cable to L,N and the earth line terminals on the TB1 as shown in the Fig.4-2.
Power source
AC220~AC240V
~/N 50/60Hz
Ground

3. DC Power Supply and M-NET Transmission Line

The DC power line and M-NET transmission line connect as shown in Fig. 4-3. The DC power line has a 12VDC and a GND polarity.
Connect it to the terminals in accordance with the polarity. Connect the M-NET transmission line to the A, B (non-polarity) and S
(shield) terminal block.
DC power supply line terminal
Fix the power line.
Circuit breaker
Power cable
Protective earth
cable
Fix the power line
Power cable
Protective
earth cable
TB3
24V
12V
M-NET transmission line
(Centralized control line)
TB2
M-NET transmission
line terminal
24V
12V
TB1
Power line terminal
(L)
(N)
TB1
Fig.4-2
Within 10m
DC power supply line
(DC12V) ❈Polarized
Central controller
Fig.4-3
– 5 –
Outdoor
Unit
TB7
Shield
M-NET transmission A,B line
(Non-polarity DC24V)

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