TC 120
682.98767.00 • 10/04/2018
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The controller has been fully factory tested, and loaded with preset tuning parameters. To
quickly adapt the controller to your process, you may elect to tune the controller at start-up.
Refer to the Auto-tune section, 5-3.
Standard temperature range of operation on the controller is 0°F to 250°F (-18ºC to 121ºC).
Controller Display
Measured Temperature Value Numeric LED
During normal operation, the large green
PV
Process Value LED on the controller
displays the actual process temperature at the To Process thermocouple. It also lists
parameter symbols during setup and error messages if an error occurs.
Required Temperature Numeric LED
During normal operation, the smaller green
SP
Set Value LED on the controller
displays the process set point you want the chiller to maintain. It also displays
parameter and pre-set function values during setup.
See Figure 4.1
Page Key
From any display – press to return to the HOME display.
Enter Key
Press to select a new parameter. If held down it will continuously scroll through the
parameters.
Figure 4.1
Typical Eurotherm P116 Microprocessor
Controller