Conair Thermolater vacuTrac, User Manual

Page: 94 / 120

Thermolator TW-1 and TW-2 UGH015/0100
6-20
T
ROUBLESHOOTING
Disconnect and lockout the main power.
Remove the top panel of the Thermolator.
Remove the heater cap.
Use a 1/4-inch open-end
wrench to remove the three
bolts that hold the cap to the
heater tank.
Remove the heater
wiring harness.
Label the wiring layout of the
heater terminals; wires are
labeled 2T1, 2T2, 2T3 and
GND.
The wiring layout will be one of the following:
Then unscrew the locking screws on the wiring harness
and remove the wires.
Shut off the cooling water infeed.
Drain the Thermolator using the drain plugs
located at the rear of the unit.
Remove the four bolts that hold the heater ele-
ment in place.
Use a 15/16-inch socket with 1/2-inch
drive.
1
2
3
4
5
6
WARNING:
Electrical shock and
hot surface hazards
Before attempting maintenance of any kind
on the Thermolator, you must stop the unit;
disconnect and lockout the main power
supply; and allow the unit to cool to less than
100° F (38° C)
R
EPLACING
H
EATER
E
LEMENTS
IMPORTANT:
Always
refer to the wiring dia-
grams that came with
your Thermolator to
locate specific electrical
components. Illustrations
in the User Guide are
intended to be represen-
tative only.
Parallel Delta
230/3/60
2T2
2T1
2T3
GND
Series Delta
460/3/60
2T2
2T1
2T3
GND
HEATER TERMINAL CONNECTIONS
Heater
cap
7
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