PHASE NEUTRAL PHASE NEUTRAL
P/L N P/L N
4 CH SWITCH 2 CH SWITCH
L4 L3 L2 L1 L2 L1
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PHASE NEUTRAL PHASE NEUTRAL
P/L N P/L N
1 CH SWITCH BELL SWITCH
L1 L1
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PHASE NEUTRAL LOAD
NEUTRAL
P/L N PHASE
DIMMER
SWITCH N
P/L FAN
L1
FAN
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REGULATOR
NEUTRAL NEUTRAL
PHASE PHASE
P/L P/L
2 CURTAIN N
1 CURTAIN
N
SWITCH
SWITCH
CLOSE
CLOSE
OPEN
OPEN
CLOSE
CURTAIN
OPEN
NO.1
CURTAIN
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NO.2
LOAD
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CURTAIN
MOTOR
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NEUTRAL
PHASE
N
P/L OUT
20 A.
20 A.
SWITCH
PHASE NEUTRAL NEUTRAL
PHASE
P/L P/L
1 SWITCH
1 SWITCH
2 WAY
2 WAY
N N
PHASE
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L1 (2)
L1 (2)
L1 (1)
L1 (1)
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WIRING OPTION 1 2 WAY SWITCH
PHASE NEUTRAL PHASE NEUTRAL
P/L
DND P/L N DND N
SWITCH SWITCH
INTERNAL UNIT EXTERNAL UNIT
A B C A B C BELL
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