Sterlco Midsize - Manual (Page 31)

Portable Hot Oil Temperature Control Units Page 31
to the Center Default position when in AUTO mode. The switch stays in the Maintained
position in Manual Cooling mode.
!
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.
Alarm Silence
Press the ALARM SILENCE button to silence the audible alarm on the console.
!
CAUTION
After you silence the alarm, make sure you
locate and
correct the alarm condition before continuing with unit
operation.
5-5 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.