KKT chillers nBoxX 1.5, Operating Instruction

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Example: Change unit in the temperature display Example: Change unit in the temperature display Example: Change unit in the temperature display Example: Change unit in the temperature display
You can have temperature values displayed in degrees Celsius or Fahrenheit. To change the display
unit, proceed as follows:
+
Press both keys and hold for about 5 seconds.
You are on the parameterisation level.
Press key until parameter P17 is displayed.
Press key to switch into editing mode.
,
You can use these keys to switch between display in Celsius and Fahrenheit.
Press key to confirm entry and switch to next parameter.
,
Press both keys and hold for about 5 seconds to exit the parameter level.
7.3
7.3 7.3
7.3 Fixed value control or combined control
Fixed value control or combined control Fixed value control or combined control
Fixed value control or combined control
Cooling units allow for both fixed value control and combined room temperature-based control.
The units are set to "Fixed value control" in the factory. If you have connected an external room tem-
perature sensor, see section 7.4, available as an optional accessory, you can set control mode
"Combined control" on the controller with parameter 13, see section 7.4. In combined control, addi-
tional control parameters must be set or taken into consideration; see section 7.4.
Fixed value control
20
Tw / °C
t/min
Cooling ON
Cooling OFF
Setpoint Tw: 20°C
Hysteresis: 2 K