Thermolator TW Series UGH025-0504
4-12 OPERATION
The TW-2 direct injection and closed circuit models can be
ordered with optional mold purge, which clears the process
lines of fluid using compressed air. The purge is operated by a
button on the control panel.
IMPORTANT:
Before purging the process lines, be sure
that the cooling water source feed is closed. If the feed is
open and the air line has a higher pressure than the cooling
water, air may be injected into the cooling water system. If
the cooling water pressure is higher than the air line, cooling
water may be injected into the air line.
Press to shut down the Thermolator.
u The RUN/STOP light turns red.
Shut off the cooling water supply to the unit.
Press to open the valve and start purging.
u The Purge Valve LED lights.
u The Vent and Cool outputs are activated.
u The STOP and RUN buttons are deactivated during the
purge or when the cool delay off timer is active.
The time required to clear the process lines of fluid will
vary according to the length of the process piping and the
size of the tooling.
Press to close the valve and stop purging.
u The Vent and Cool solenoids remain energized for 5
seconds after the purge is terminated.
USING THE TW-2
M
ANUAL PURGE
OPTION
Stop
1
2
3
4
NOTE: The purge operation will terminate immediately if the
unit detects a blown fuse in the Vent or Cool output. The unit
will alarm and shut down.
See Troubleshooting, Section 6 for instructions on how to
clear the alarm and fix the problem.
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