Wiring Diagrams - Intermatic ET2145C Installation And Setup Instructions

Electronic 4-circuit 24-hour time switch
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Wiring Diagrams

L1
L2/N
POWER TO TIMER
120/208/240/277 VAC
(AUTO VOLTAGE, NO JUMPERS REQUIRED)
TIMER
CIRCUIT 1
POWER
AC IN
NO-1 COM1 NO-2 COM2 NO-3 COM3 NO-4 COM4
L1
LOAD 1
L2
TIMER CONFIGURATION FOR TWO 208/240 VAC DPST
OUTPUT CONFIGURATION: SIM - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4
TIMER
CIRCUIT 1
POWER
AC IN
NO-1 COM1 NO-2 COM2 NO-3 COM3
L1
L2/N
LOAD 1
N
L3
TIMER CONFIGURATION FOR COMBINATION MODE
OUTPUT CONFIGURATION: IND - CIRCUIT 1 AND 2 (120/277 VAC LOAD)
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4 (208/240 VAC LOAD)
TIMER
CIRCUIT 1
POWER
AC IN
NO-1 COM1 NO-2 COM2 NO-3 COM3 NO-4 COM4
L1
L2/N
LOAD1
TIMER CONFIGURATION FOR COMBINATION MODE
OUTPUT CONFIGURATION: PUL - CIRCUIT 1 AND 2 (BELL RINGING)
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4
TIMER POWER
AC IN
CIRCUIT 2
CIRCUIT 3
CIRCUIT 4
LOAD 2
CIRCUIT 2
CIRCUIT 3
CIRCUIT 4
NO-4
LOAD 2
LOAD 3
N
L4
L5 L6
CIRCUIT 2
CIRCUIT 3
CIRCUIT 4
LOAD2
LOAD3
N
L3
N
L1
L2/N
L1
L2/N
COM4
L1
L2/N
OUTPUT CONFIGURATION: SIM - CIRCUIT 1 AND 2 (208/240 VAC LOAD)
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4 (120/277 VAC LOAD)
L1
L2/N
240VAC
L4
OUTPUT CONFIGURATION: SIM - CIRCUIT 3 AND 4 (208/240 VAC LOAD)
TIMER
CIRCUIT 1
CIRCUIT 2
POWER
AC IN
NO-1
COM1
NO-2
COM2
LOAD 1
LOAD 2
N
L3
N
4 - INDIVIDUAL 120/277 VAC LOADS
OUTPUT CONFIGURATION: IND - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: IND - CIRCUIT 3 AND 4
TIMER
CIRCUIT 1
CIRCUIT 2
POWER
AC IN
NO-1
COM1
NO-2
COM2
TIMER CONFIGURATION FOR TWO CONTACTOR CONTROLS
OUTPUT CONFIGURATION: PUL - CIRCUIT 1 AND 2
OUTPUT CONFIGURATION: PUL - CIRCUIT 3 AND 4
TIMER
CIRCUIT 1
CIRCUIT 2
POWER
AC IN
NO-1
COM1
NO-2
COM2
LOAD 1
L3 L5
TIMER CONFIGURATION FOR COMBINATION MODE
TIMER
CIRCUIT 1
CIRCUIT 2
POWER
AC IN
NO-1
COM1
NO-2
COM2
LOAD1
TIMER CONFIGURATION FOR COMBINATION MODE
OUTPUT CONFIGURATION:PUL - CIRCUIT 1 AND 2 (BELL RINGING)
CIRCUIT 3
CIRCUIT 4
NO-3
COM3
NO-4 COM4
LOAD 3
LOAD 4
L4
N
L5
N
L6
CIRCUIT 3
CIRCUIT 4
NO-3
COM3
NO-4
COM4
CIRCUIT 3
CIRCUIT 4
NO-3
COM3
NO-4 COM4
LOAD 2
LOAD 3
N
L6
N
L7
CIRCUIT 3
CIRCUIT 4
NO-3
COM3
NO-4
COM4
LOAD 2

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