Thermolator TW Series UGH025-0504
4-6 OPERATION
Before starting the Thermolator, verify that the system has
been installed correctly for your application. See Installation,
section 3.
Turn on the water supply to the Thermolator.
The supply pressure must be at least 25 psi. Check for
leaks in the cooling water and process fluid lines before
continuing.
Turn on main power to the Thermolator.
Set the temperature setpoint to 100° F.
Press to increase or to decrease the tempera-
ture setting. Press to accept.
Press and hold START until the vent
cycle begins.
If everything is working correctly:
u The Cooling indicator lights.
u The unit initiates a variable venting sequence. The
pump starts after the vent time 1 is over.
u Normal operation begins. The heater turns on if the
actual temperature is below setpoint. The cooling valve
is active if the actual temperature is above setpoint.
Set the setpoint to the desired temperature.
Press to increase or to decrease the tempera
ture setting. Press to accept.
STARTING THE
TW
1
2
3
5
4
If, after setting the set-
point to the desired tem-
perature, the optional
Fault light/ alarm
turns on, press the
FAULT button to
silence the alarm.
Then go to
the Troubleshooting sec-
tion to correct problem.
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