UGH015/0100
Thermolator TW-1 and TW-2
O
PERATION
4-9
The TW-2 direct injection models can be ordered with an
optional purge valve, which clears the process lines of fluid
using compressed air. The valve is operated by a purge 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, cool-
ing water may be injected into the air line.
Press to shut down the Thermolator
.
◆
The RUN/STOP light turns red.
Turn off the cooling water supply to the unit.
Press to open the valve and start purging.
◆
The Purge Valve LED lights.
◆
The Vent and Cool outputs are activated.
◆
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.
◆
The Vent and Cool solenoids remain energized for 5
seconds after the purge is terminated.
U
SING THE
TW-2
P
URGE
F
EATURE
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.
clear the alarm and fix the
problem.
CAUTION:
Gases Under Pressure
Do not disconnect the mold lines until you
varify pressure in the cooling water return
line is low. Compressed gases can blast
liquid at high pressure at the operator, pos-
sibly causing serious injury. Check the
pressure gauge before disconnecting lines.
Содержание Thermolater vacuTrac
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