3
3
- 4
8
Control of 3-WAY FLOW LOGIC
4. System Controller / NRSC-FL
How to connect electrical wiring
1) Basic wiring
2) Terminals for remote monitoring
L1:
Power supply (
50 Hz/60 Hz, 220 – 240 VAC)
L2:
C1:
Inter-unit control wiring (Low voltage)
C2:
C3:
Auxiliary
C4:
Ground for inter-unit control wiring
A1:
Input for turning ON air
conditioners
concurrently
A2:
Input for turning OFF air conditioners concurrently
A3:
Common input for turning air conditioners ON or OFF
B1:
On operation state indicator output
B2:
Alarm indicator output
B3:
Common indicator output
L1
L2
B3 B2 B1 A3 A2 A1
C1
C2
C3
C4
CN02
Clamp for electrical wiring
Connector (CN02) for
weekly timer or schedule
timer (optional)
Ground for
power wiring
PCB
■
Layout of Electrical Terminals
Fi
g
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04-218 Airwell-3_p39-60.qxp 01/06/2007 13:13 Page 48