TC 120
682.98767.00 • 10/04/2018
30
4-4 Using Graphic Panel Buttons
START Button
Push the
START
button to energize the unit and begin the temperature control cycle.
STOP Button
Push the
STOP
button to de-energize the unit and stop the temperature control cycle.
VENT Button
Push the
VENT
button for additional manual venting. The
VENT CYCLE
indicator lights
during the vent cycle.
QUICK COOL Switch
Turn on the
QUICK COOL
switch to open the cooling valve and quickly cool the process.
ALARM SILENCE Button
Optional
Push
ALARM SILENCE
button to silence the alarm. You should investigate the alarm
condition and restore the unit to normal operation before continuing with the temperature
control cycle.
AIR PURGE Switch
Optional
Turn on the
AIR PURGE
switch to purge the system of air. The
PURGE VALVE ON
indicator lights during the air purge cycle.
LOCAL/REMOTE Switch
Optional
Turn on the
LOCAL/REMOTE
switch to toggle between local and remote temperature
sensor probe operation.
4-5 Alarms
Audible/Visual General Fault Alarm
Optional
The audible/visual general fault alarm sounds if any fault triggers, such as low water
pressure, over-temperature, or pump overload. A signal from any of the safety devices
activates a horn and flashing strobe.
Push the
ALARM SILENCE
button to silence the alarm.
The optional mechanical high temperature safety alarm is interlocked with the
heater. When triggered, the heater cuts out and the pump continues to run.