Specifications

62 RK0YG302 © Danfoss 05/2007
EKC 202D
Application
• The controller is used for temperature control refrigeration
appliances in supermarkets
• With many predened applications one unit will oer you
several options. Flexibility has been planned both for new
installations and for service in the refrigeration trade
Advantages
• Several applications in the same unit
• The controller has integrated refrigeration-technical functions,
so that it can replace a whole collection of thermostats and
timers
• Buttons and seal imbedded in the front
• Easy to remount data communication
• Two temperature references
• Digital inputs for various functions
• Clock function with backup
Control
The controller contains a temperature control where the signal
can be received from one or two temperature sensors.
The thermostat sensors are either placed in the cold air ow after
the evaporator, in the warm air ow just before the evaporator,
or both. A setting will determine how great an inuence the two
signals are to have on the control.
A measurement of the defrost temperature can be obtained
directly through the use of an S5 sensor or indirectly through
the use of the S4 measurement. Four relays will cut the required
functions in and out – the application determines which. The
options are the following:
• Refrigeration (compressor or relay)
• Fan
• Defrost
• Rail heat
• Alarm
• Light
EKC 202D