EKC
202
/
302
Manual RS8DZ702 © Danfoss 03-2012
3
EKC 202A / EKC 302A
Controller with two relay outputs, two temperature sensors and
digital input.
Temperature control at start/stop of compressor / solenoid valve
Defrost sensor
Electrical defrost / gas defrost
EKC 202B / EKC 302B
Controller with three relay outputs, two temperature sensors and
digital input.
Temperature control at start/stop of compressor / solenoid valve
Defrost sensor
Electrical defrost / gas defrost
Relay output 3 is used for control of fan.
EKC 202C
Controller with four relay outputs, two temperature sensors and
digital input.
Temperature control at start/stop of compressor / solenoid valve
Defrost sensor
Electrical defrost / gas defrost
Control of fan
Relay output 4 can be used for an alarm function or for a light
function.
Alarm function
If an alarm function is required, relay number two may be used for
it.
Defrost is performed here with circulation of the air as the fans are
operating continuously.