Control of W-ECO MULTI SYSTEM
3
TD831077
III - 40
7 Layout of electrical terminals
potential free contact
DC24V, Max 1A
DC24V
1) *1: All air conditioners turn on at same mode and operation conditions of when it stops as before.
2) *2: The output signal will appear when any one of indoor units turns on.
3) *3: The alarm signal will appear when any one of indoor units has a trouble.
NOTE
2. Optional Controller (system controller)
Inter-unit control wiring. (Low voltage)
Power supply ( 50 Hz / 60 Hz, 220 - 240 V)
How to connect electrical wiring
1) Basic wiring
L (L1):
N (L2):
C1:
C2:
C3: Auxiliary
C4: Ground for inter-unit control wiring
2) Terminals for remote monitoring
A1: Input for turning on air conditioners concurrently. (*1)
A2: Input for turning off air conditioners concurrently.
A3: Common input for turning air conditioners on or off.
B1: On operation state indicator output. (*2)
B2: Alarm indicator output. (*3)
B3: Common indicator output.
L (L1)
N (L2)
B3 B2 B1 A3 A2 A1
C1
C2
C3
C4
CN02
1789_M_I
P.C board
Clamp for electrical wiring
Ground for
power wiring
Connector (CN02)
for weekly timer
(TM-WBGN: optional)
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