© Danfoss | Climate Solutions | 2021.07
3 | AN375548103097en-000202
Quick set up guide
1. Disconnect power to EKF.
2. Connect Valve and Analog signal to the dedicated terminals. Select the Valve via DIP switch 1 to 5.
3. Select the required Analog signal input via DIP switch 7 and 8. For EKF 2A, perform 3 and 4 for both DIP switches.
4. Connect EKF to power and the device is ready to use
LED indication
Valve
Two status LED per valve output
Each stepper drive has a set of Red and Green LED
as shown in image. The change in LED light with
the LED indication table can help determine the
valve movement.
Valve
LED for Error/Alarm
Valve closed
Valve closing
Valve idle on target
Valve idle on target
Valve opening
Valve open
0s
1s
2s
Valve move
Valve open circuit
RED
GREEN
GREEN
RED
RED
GREEN
LED for Stepper 1
LED for Stepper 2
Power by Kollkey, no valve operation
RED
GREEN