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8
CONTACT OPERATION
Normally open load contacts close and normally
closed load contacts open when the sensor
probes detect the influx of moisture within the
motor.
TEST PROCEDURE
A normally closed pushbutton and neon
indicating lamp are provided as means of
checking the moisture sensing components.
When the pushbutton is depressed, the
indicating lamp will be illuminated to indicate (A)
power is supplied to the control, (B) the control
is operative, and (C) wiring to the moisture
sensing probes in the motor is intact. This
procedure should be performed periodically to
confirm integrity of circuit.
SIGNAL DEVICES
The signal device may be audible (bell, buzzer,
horn or siren) or visible (incandescent or neon
lamp) or both - a signal device of your choice
may be obtained from your local electrical supply
house.
SYSTEM OPERATION
It is recommended that upon indication (by warnĆ
ing light, etc.,) of outer seal failure that the motor
be removed from the installation and the oil and
outer seal be replaced as soon as possible.
If reconditioning is not performed within a 30 day
period it is recommended that the inner seal be
thoroughly inspected and replaced if required.
When ordering parts or reporting trouble give
Sales Office complete Nameplate Data.
A.C.
SUPPLY
LINE
PRIMARY
500 V.
SEC'D.
RELAY
COIL
TEST RESISTOR
MOISTURE SENSORS
NORMALLY OPEN
MOTOR
WIRING BY WARRICK
WIRING BY OTHERS
CONTROL ENCLOSURE
TEST
SWITCH
TEST
LAMP
1
2
34
65
78
109
1
A
1
TO SIGNAL CIRCUIT
W
1
W
2
FIGURE 3
MOISTURE SENSING CIRCUIT
TYPICAL WIRING DIAGRAM
LEAD COLOR CODING
BLACK
LEAD
WHITE
LEAD
RED
LEAD
ORANGE
LEAD
GREEN
LEAD
Power
Polyphase T
1
T
2
T
3
Ċ Ground
Power
Cable
Single
Phase
T
1
T
4
T
A
Ċ Ground
Control Cable All P
1
P
2
W
1
W
2
Ground