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D4137 Magnetic Switch Instructions
COPYRIGHT © JUNE, 2010 BY WOODSTOCK INTERNATIONAL, INC.
WARNING: NO PORTION OF THIS MANUAL MAY BE REPRODUCED IN ANY SHAPE OR FORM WITHOUT
THE WRITTEN APPROVAL OF WOODSTOCK INTERNATIONAL, INC. Printed in Taiwan#12946TS
Thermal Relay Overload Amp
Adjustment Dial: Turn this dial
to the amperage setting speci-
fied by the motor manufac-
turer. Typically, this setting is
100–110% of the amperage load
listed on the motor data plate.
Please note that turning this
dial has no effect on increasing
motor horsepower. If turned too
high, the motor can overheat
and be damaged before the
relay trips.
Trip Indicator: If this window
turns yellow, the thermal relay
has tripped.
Manual Trip Test Lever: If the
thermal relay function is in
question, run the motor and
use a wooden toothpick to slide
the yellow test lever to the
left. If the motor shuts off, the
thermal relay has tripped and is
functional.
OFF Button: When pushed, the current going to the magnetic field
coil is cut, which opens the contactor and cuts power to the motor.
Manual Contactor Override
Lug: When pushed, the
contactor is manually closed for
troubleshooting purposes only.
ON Button: When pushed,
power is sent to the magnetic
field coil, closing the contactor
and sending power to the
mo tor.
Manual/Auto Reset Lever: In
the up position, the thermal
relay is in manual reset mode.
This means you must re-install
the outside cover and push
the red OFF button, then push
the green ON button to reset
the thermal relay. In the down
position, the thermal relay will
automatically reset when it has
cooled.
Reset Button: When pushed,
the thermal relay is reset,
clearing the yellow trip indica-
tor window.
REF PART # DESCRIPTION REF PART # DESCRIPTION
101 XD4115101 SWITCH BOX 107 XD4115107 CONTACTOR RETAINER
102 XD4115102 SWITCH BOX COVER ASSEMBLY 108 XPS106M PHLP HD SCR M3-.5 X 10
103 XD4137103 DATA LABEL HUFB-16KK 109 XD4115109 CAPTURED GROUND SCR M4-.7 X 10
104 XD4115104 CONTACTOR TECO CU-16 110V 110 XPS10 PHLP HD SCR 10-24 X 1-1/2
105 XD4115105 FIELD SWITCH TECO CNA-1 111 XD4115111 LIQUID-TIGHT STRAIN RELIEF PG-16
106 XD4137106 OL RELAY TECO RHN-10K 22-30A 112 XD4115112 RUBBER SEAL
101
102 103
104
105
106
107 108
109
110
111
112