Thermolator TW-1 and TW-2
UGH015/0100
6-18
T
ROUBLESHOOTING
Every Thermolator has a solenoid valve assembly that controls
the cooling water out flow. Closed circuit (CC) and Isolated
Circuit (IC or TCC) units also have a vent valve assembly.
Solenoid valves also are found on the optional purge valve.
Shut off the cooling
water infeed.
Drain the unit of all
water
through the
draing plugs in the rear
of the unit.
Remove the cooling
water out feed.
For
closed and isolated cir-
cuit models, also remove
the cooling water in feed.
Disconnect and lock-
out main power.
Remove the top and
side panels of the
Thermolator.
Lift the
top panel straight up, then
lift the side panels up.
Remove the solenoid
valve from the cool-
ing water out line.
Disassemble the solenoid valve.
(See exploded views on next page.)
Inspect and clean or repair the valve body
assembly.
Remove foreign particles and replace dam-
aged parts as necessary.
R
EPAIRING
S
OLENOID
V
ALVES
Drain
plugs
Cooling
water in
1
2
3
4
5
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 100° F (38° C)
DIRECT INJECTION
CLOSED CIRCUIT
ISOLATED CIRCUIT
Cooling water out
Cooling water out
Cooling water in
6
7
8
Summary of Contents for Thermolater vacuTrac
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