AEC TDH-6 Series Operation And Installation Manual page 40

Pump Start
Pump Stop
Pump Reverse
Vent Cycle Start (optional)
Mode Select
Page 40
Press the START
direction.
Press the button to stop the pump and de-energize the
STOP
controller.
!
CAUTION
Always press the Pump Stop
pump to come to a complete stop before pressing the
Pump Reverse
Failure to let the pump stop before reversing may
damage the pump and drive.
Press the
REVERSE
direction. Use this feature to purge oil from the mold.
Press the VENT
feature to purge air and water from the unit and process. This is
used when the Autovent Cycle Option is added to the unit.
With the pump running, you can select the
(manual cooling) position with the
MAN. COOL
switch. Select
AUTO
to monitor and control the process. The switch automatically
returns to the OFF position when in
in the MAN. COOL position in
!
CAUTION
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 chapter.
Improper switching can seriously damage the heater,
as it could become energized with air in the system.
TDH-6 Series Hot Oil Large Temperature Control Units
button to start the pump in the normal forward
button and allow the
button.
button to start the pump in the reverse
button to start the vent cycle timer. Use this
mode to energize the controller, permitting it
AUTO
Manual Cooling
position or the
AUTO
Mode Select
mode. The switch stays
mode.