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Danfoss Electronic Superheat Controller, Type EKE 1A Installation Guide

Summary

The EKE 1A is a professional superheat controller engineered for precise temperature management in commercial HVAC, heat pump, and refrigeration applications. This guide provides comprehensive technical specifications, detailed installation instructions, and wiring diagrams for integrating the unit into various systems utilizing compatible Danfoss valves (ETS, KVS, CCMT). Ideal for engineers and technicians requiring accurate superheat control in food retailing or industrial cooling environments.

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Page 1 Text Content

ENGINEERING

Installation guide

Electronic superheat controller

Type EKE 1A English

Introduction Superheat controller EKE 1A is for use where superheat must be accurately controlled, typically in commercial air conditioning, heat pumps, commercial refrigeration, food retailing and industrial applications. Compatible valves: Danfoss ETS 6 / ETS / ETS Colibri®, KVS / KVS Colibri® and CCM / CCMT / CTR valves. Reference: For details please see EKE data sheet.

More info

Applications

1. Superheat controller: standalone

Danfoss R64-3033.10

ETS Colibri®

S2 Pe an fo ss R6 4- .1

2. Valve driver Ref Reference signal ce signal

ETS Colibri®

S2 Pe

CAN RJ

Dimensions EKE 1A

Danfoss Weight: 152 gram 80G8215.11

© Danfoss | DCS (az) | 2018.02 DKRCC.PI.RS0.B4.02 | 1

Page Summary Contents For Danfoss Electronic Superheat Controller, Type EKE 1A Installation Guide

Page 1 ENGINEERING Installation guide Electronic superheat controller Type EKE 1A English Introduction Superheat controller EKE 1A is for use where superheat must be accurately controlled, typically in comme...
Page 2 TECHNICAL SPECIFICATIONS POWER SUPPLY EKE has galvanic isolation by switch-mode power supply. 24 V AC ± 20%, 50/60 Hz. Maximum power consumption: 18 VA. Input voltage rating (DC): 24 V DC ± 20%, 15 W....
Page 3 GENERAL FEATURES AND WARNINGS PLASTIC HOUSING FEATURES DIN rail mounting complying with EN 50022 Self-extinguishing V0 according to IEC 60695-11-10 and glowing/hot wire test at 960 °C according to IEC...
Page 4 DIN rail mounting / demounting The unit can be mounted onto a 35 mm DIN rail simply by snapping it into place and securing it with a stopper to prevent sliding. It is demounted by gently pulling the s...
Page 5 EKE 1A - connection overview Master controller MMIGRS2 Display CAN RJ 080G0072 (optional) Pressure Transmitter Ratiometric 0.5 – 4.5 V AKS cable an fo ss connection CO 060G1034 MMIMYK 5V –/ Gateway I2...
Page 6 Sensor mounting: Temperature sensor 1/2 - 5/8 in. OD ~–/ 12 - 16 mm an fo ss an fo ss 6. 3/4 - 7/8 in. OD 18 - 22 mm RG ND CO 5V Conductive Ba t+ I2 I1 1 - 13/8 in. CO OD paste Evaporator outlet I4 25...
Page 7 Relay Outputs EKE 1A has 1 relay output: • Type SPDT relay. Digital Output can be used to connect either a solenoid valve or an alarm. • The relays cannot be used for the direct connection of capaciti...
Page 8 Stepper Motor Output • All valves are driven in a bipolar mode with a 24 V supply chopped to control the current (Current driver). • The stepper motor is connected to the “Stepper Valve” terminals (se...
Page 9 LED indication (A) Two status LEDs to indicate operational status • Steady green = power ON • Flashing green = data transmission / initialization • Flashing red = alarm / error condition an fo ss 6B ....
Page 10 Danfoss MMIGRS2 display ACCCBI080G0075 CAN RJ Connecting external MMIGRS2 display MMIGRS2 display can be used to set up EKE 1A. The CAN RJ display can be used not only for setting up the necessary par...
Page 11 Setup wizard Guided configuration for first-time Power on controller setup. Wizard setup is available in both MMIGRS2 external display and Kool Prog Setup Wizard has not been done earlier software. Se...
Page 12 Quick guide for parameter selection Apart from wizard setup, users can also use the following section which describes quick parameter settings for general applications. Driver Controller Start : Main ...
Page 13 EKE 1A – Commonly used parameter identification Parameter Default Description R012 Main switch 0 = regulation Off | 1 = regulation On R102 Operation mode 0 = Superheat control | 1 = Valve driver I033 ...
Page 14 For your own notes © Danfoss | DCS (az) | 2018.02 DKRCC.PI.RS0.B4.02 | 14
Page 15 Related products MMIGRS2 Display Power Supply MMIMYK Gateway User interface module MMIGRS2 Display AK-PS MMIMYK device is used as a gateway Input: 100 – 240 V AC, 45 – 65 Hz to connect EKEs and the PC...

Manual Details

Brand Danfoss
Pages 15
File Size 3.19 MB
Published June 06, 2026
42 views

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Frequently Asked Questions

What is the recommended mounting position for this device?

The recommended mounting position is vertical.

Who should perform service and maintenance operations?

All service and maintenance operations must be performed by qualified personnel.

What are the operating temperature ranges?

Operating conditions are -20°C to 60°C, at 90% RH non-condensing.

Which specific valves is this controller compatible with?

It is compatible with Danfoss ETS 6 / ETS / ETS Colibri®, KVS / KVS Colibri® and CCM / CCMT / CTR valves.

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