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Controller
(Digital One/Digital Plus)
The controller controls temperature using a Proportional-Integral-Derivative
(PID) algorithm. It is designed with self-diagnostic features and easy to use
operator interface. Two controller options are available: Digital One and Digital
Plus. The information on the following two pages applies to both controllers.
ON/OFF. Use this key to toggle the unit on or off and to clear error mes-
sages.
SCROLL. Use this key
to scroll through the controller's LEDs. It is also
used to save new changes.
YES/ARROW. Use this key to increment numerical values when setting
values and to accept new settings.
NO/ARROW. Use this key to decrement numerical values when setting
values and to abort new settings.
Indicates refrigeration system status. It illuminates to indicate the refrigeration
system is removing heat from the bath fluid. The indicator is off when heat is not
being removed.
Indicates heater status. It illuminates to indicate the heater is adding heat from
the bath fluid. The indicator is off when heat is not being added.
Digital One Controller
Installation and Operation
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