– 5 –
GND
12VDC
12V
24V
S
B
A
R
N
L
N
L
Power source
AC220~AC240V
~/N 50/60Hz
Circuit breaker
Power cable
Ground
Protective earth
cable
TB1
Fix the power line
Power cable
Protective
earth cable
TB1
Fig.4-2
(L)
(N)
220V
-240V~/N
Power line terminal
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.
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.
Fig.4-3
GND
12VDC
12V
24V
S
B
A
N
L
R
GND
12VDC
S
B
A
TB3
Fix the power line.
TB2
Within 10m
DC power supply line
(DC12V)
❈
Polarized
M-NET transmission line
(Centralized control line)
Central controller
Outdoor
Unit
TB7
DC power supply line terminal
M-NET transmission
line terminal
TB3
M-NET transmission A,B line
(Non-polarity DC24V)
TB2
Shield
