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2. Power line
Wire the power cable and protective earth cable (grounding cable) to L/L1,N/L2 and the earth line (grounding line) terminals on the TB1
as shown in the Fig.4-2.
Power source
EU:~220-240V 50Hz
US:~208-230V 60Hz
*US: USA and
Canada
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
(Grounding cable)
Power cable
Protective
earth cable
(Grounding cable)
TB3
24V
12V
M-NET transmission line
(Centralized control line)
TB2
M-NET transmission
line terminal
TB1
Fix the power line
EU/US
(L/L1)
(N/L2)
TB1
Fig.4-2
Within 10m
DC power supply line
(DC12V) ❈Polarized
Central controller
Function earthing(grounding)
DC 12V power supply line (Polarity)
Shield
M-NET transmission A,B line
(Non-polarity DC24V)
Fig.4-3
– 5 –
24V
12V
Power line terminal
*EU shows L/N and the US shows L1/L2.
Controller rear surface
M-NET
POWER
A
B
S
12VDC
GND
Outdoor
Unit
TB7
DC 12V power supply line
(Polarity)
12VDC : +12V, GND : 0V
Function earthing(grounding)
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