1.
2.
Figure 10: Dual compressor support
ON
ON
ON Cycle OFF Cycle
OFF
OFF
Compressor 1
Compressor 2
Scd
Danfoss
80G444
Anti Freeze function (applicable for EETa only)
This feature protects the bottle coolers from freezing, if they are installed outdoor with low ambient temperature.
The controller automatically switches between cooling and heating mode if the cabinet air temperature goes below
the allowed limit, thus preventing the freezing of stored products. This feature can be activated only when the
defrost type used is electrical.
Figure 11: Automatic heater control for Anti Freezing applications
Danfoss
80G421
Energy mode delay Energy mode delay
Increase in ambient
temperature
Drop in ambient
temperature
Cooling
mode
Heating
mode
Quick Test mode
This feature helps test all the outputs of the controller instantly when connected to an actual application in the OEM
Production line or during eld service. The feature can be used when connected to KoolProg or by using MODBUS
commands (please contact the Danfoss support team for info about MODBUS commands).
Sensor Error handling
In the event of cabinet sensor error/ failure, cabinet temperature can be controlled in EET controller using two
methods to avoid food spoilage until the failed sensor is replaced.
Manual Error handling: Run the compressor for xed ON and OFF time by dening error run time and error stop
time.
Auto Error handling: Smart self-learning feature of EET controller, controls the compressor cycle based on past
compressor cycles.
Potentiometer Error handling
Potentiometer error handling automatically sets the cabinet temperature to smart default setting to avoid food
spoilage in the event of a potentiometer failure.
© Danfoss | Climate Solutions | 2023.07 BC320944106159en-000301 | 9
Refrigeration controller, type EET series
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