WTR2-640
Chapter 4: Operation
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Identifying Control Panel Switches
This section lists the descriptions and functions of the control panel switches. These
switches control the operation of the unit.
Pump Start.
Press the START button to start the pump in the normal forward direction.
Pump Stop.
Press the STOP button to stop the pump and de-energize the controller.
Always press the Pump Stop button and allow the pump to come to a
complete stop before pressing the Pump Reverse button.
Failure to let the pump stop before reversing may damage the pump
and drive.
Pump Reverse.
Press the REVERSE button to start the pump in the reverse direction.
Use this feature to purge oil from the mold.
Vent Cycle Start.
Press the
VENT
button to start the vent cycle timer. Use this feature
to purge air and water from the unit and process.
Mode Select.
With the pump running, you can select the AUTO position or the Maintained
(manual cooling) position with the Mode Select switch. Select AUTO mode to energize the
controller, permitting it to monitor and control the process. The switch automatically
returns to the Center Default position when in AUTO mode. The switch stays in the
Maintained position in Manual Cooling mode.
Always let the pump run for at least one (1) minute before switching to
AUTO mode.
Never switch to AUTO mode when filling or venting the unit, except as
described in the Unit Startup. Improper switching can seriously
damage the heater, as it could become energized with air in the system.
Alarm Silence.
Press the ALARM SILENCE button to silence the audible alarm on
the console.
After you silence the alarm, make sure you locate and correct the alarm
condition before continuing with unit operation.
Identifying System Status Board Indicators
The system status board is located next to the controller panel. It displays indicator lights
to show current operation status, letting you analyze system performance.
