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© 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

Summary of Contents for EKF Series

Page 1: ...nalog inputs EKF 1A 1 input AI1 0 5 V 0 10 V 4 20 mA 0 20 mA EKF 2A 2 inputs AI1 and AI2 0 5 V 0 10 V 4 20 mA 0 20 mA Max 15 V Analog input voltage Do not connect voltage sources to unpowered units wi...

Page 2: ...tery backup is galvanic isolated and the polarity of power supply is maintained correct The same should be observed while sharing power supply with EKF and master controller AI signal Connect PE eithe...

Page 3: ...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 L...

Page 4: ...1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 1 1 1 1 1 1 0 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 1 0 0 0 0 0 0 1 0 1 1 1 1 1 0 1 Alarm 0 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 0s 1sec 2sec...

Page 5: ...be selected to ETS 250 ETS 400 Dip switch of driver 2 should be selected to Manifold Valves ETS 500P ad ETS 800P Valve DIP Switch 1 2 3 4 5 6 7 8 A No Valve Default B ETS 12C ETS 24C ETS 25C ETS 50C...

Page 6: ...onnection cable or JST XHP 5 connector The default valve setting in EKF 1A 2A is No Valve The correct valve must be defined as per section DIP Switch Valve Stepper driver 2 DIP Switch 1 2 3 4 5 6 7 8...

Page 7: ...ecommended mounting position vertical Installation must comply with local standards and legislation Before working on the electrical connections disconnect the device from the main power supply Before...

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