5
© Copyright 2020 Zoeller
®
Co. All rights reserved.
MOISTURE SENSOR
L1
L2
L3
POWER CABLE
CONTACTOR
T1
T2
T3
208V/230/460V
3ø POWER
SENSOR CABLE
THERMAL SENSOR
ORANGE
BLACK
RED
WHITE
GREEN
(18-4 OR 18-5)
BEFORE 6/2000
NORMALLY OPEN
330K OHMS RESISTANCE
NORMALLY CLOSED
Pump Wiring Instructions
FOR YOUR PROTECTION, ALWAYS DISCONNECT THE PUMP FROM ITS POWER SOURCE BEFORE HANDLING.
All electrical connections must be wired and grounded in accordance with the National Electrical Code and all applicable
local codes and ordinances.
“Risk of electrical shock”
Do not remove the power supply cord and strain relief or connect conduit directly to pump.
Installation and checking of electrical circuits and hardware should be performed by a qualified licensed electrician.
FIGURE 2.
LEAD IDENTIFICATION
WIRING DIAGRAM
SINGLE PHASE-2HP
MODEL 840
SK1367
009048
THREE PHASE
MODELS 840, 841 & 842
FIGURE 4.
FIGURE 3.
L1
START RELAY
START CAPACITOR
GREEN
RED
WHITE
BLACK
BLUE
ORANGE
MOISTURE
SENSOR
TERMINALS
WHITE
BLACK
14-6
18-2
REVERSE MOTOR ROTATION BY INTERCHANGING
ORANGE WIRE WITH RED WIRE.
L2
RUN CAPACITOR
GROUND SCREW
2
1
5
COMPONENT LAYOUT
PUMP
START RELAY
START CAPACITOR
RUN CAPACITOR
RED
WHITE
ORANGE
BLACK
MAIN
START
PROTECTOR
BLACK
WHITE
L1
L2
T2
T1
230V AC
OR
208V AC
CONTACTOR
BLUE
2
1
5
SINGLE PHASE
MODELS 841 & 842
LEAD IDENTIFICATION
WIRING DIAGRAM
WIRING DIAGRAM
LEAD IDENTIFICATION
14-4
18-4
L1
L2
L3
T1
T2
T3
BLACK
RED
GREEN
POWER
CORD
MAGNETIC
STARTER
CORD
SENSOR
WHITE
BLACK
ORANGE
RED
WHITE
MOISTURE
SENSOR
TERMINALS
SENSOR
TERMINALS
TEMPERATURE
OR
18-5
GREEN
START RELAY
START CAPACITOR
MOISTURE
SENSOR
TERMINALS
BLACK
WHITE
L1 L2
RUN CAPACITOR
GROUND SCREW
BLACK
WHITE
RED
GREEN
18-2
14-4
2
1
5
SK1368
SK1370
SK2399
RUN CAPACITOR
START CAPACITOR
T1
BLACK
WHITE
T2
START RELAY
L1
L2
208V AC
OR
230V AC
CONTACTOR
YELLOW
MAIN WINDING
AUXILIARY WINDING
OVERLOAD
BLUE
5
5
ORANGE
WHITE
RED
BLACK
4
3
4
3
2
1
2
1
GREEN
WHITE
BLACK
RED
MOTOR
CHAMBER
COVER
CHAMBER
2
1
5
SK2400