Danfoss EKE 1D Installation guide

ENGINEERING

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Installation guide

Electronic superheat controller

Type EKE 1D

Introduction

Superheat controller EKE 1D is for use where superheat must be accurately controlled,
typically in commercial air conditioning, heat pumps, commercial refrigeration, food retailing

080R9345

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.

Applications

1. Superheat controller: standalone / network

ETS Colibri®

S2 Pe

Communication

Danfoss

Danfoss

64-3033.1

R64-3033.10

English

080R9345

More info

2. Valve driver

ETS Colibri®

Dimensions in mm
EKE 1D

Weight: 152 gram

© Danfoss | Climate Solutions | 2021.09

110

Reference signal

Reference signal

S2 Pe

CAN RJ

70 60

s
nf

64-3041.10

Danfoss

R64-3041.10

Danfoss
80G8215.11

AN325741271542en-000403 | 1

Info for UK customers only: Danfoss Ltd., 22 Wycombe End, HP9 1NB, GB

Technical specications

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.

I/O TYPE NUMBER SPECIFICATION

Max. 15 V input voltage
Do not connect voltage sources to unpowered units without limiting the
current to analog inputs (overall 80 mA).
Open circuit HW diagnostics available for voltage input on : AI4

AI3 (Pe)

Analog
inputs

Digital
inputs

Voltage 2

NTC 2

Auxiliary
Supplies

Voltage free
contacts

0 – 5 V ratiometric,

AI4

0 – 5 V , 0 – 10 V

AI1 (S3, S4), AI2 (S2)
NTC temperature probes, 10 kΩ at 25 °C

5 V +

1

Sensor supply: 5 V DC / 15 mA, overload protection approximately 150 mA

DI1, DI2

Steady current minimum 1mA

2

Cleaning current 100 mA at 15 V DC
On: RIL < = 300 Ω
O: RIH > = 3.5 k Ω

Digital
output

Stepper
motor

Battery
backup

Communi­cation

© Danfoss | Climate Solutions | 2021.09

Relay 1

Bipolar /
unipolar

CAN

C1-NO1

Normally Open: 3 A General purpose, 250 V AC, 100 k cycle
Normally Open: 3 A Inductive (AC-15), 250 V AC, 100 k cycle
Normally Closed: 2 A General purpose, 250 V AC, 100 k cycle

Stepper valves: A1, A2, A3, A4

Bipolar and unipolar stepper motor output:

- Danfoss ETS / KVS / ETS C / KVS C / CCMT 2 – CCMT 42 / CTR Valves
(green, red, black, white)

1

1

1

1

- ETS6 / CCMT 0 / CCMT 1 (black, red, yellow, orange)

Other Valves:

- speed 10 – 400 pps

- drive mode 1/8 microstep

- max. peak phase current: 1.2 A (848 mA RMS)

- max. drive voltage 40 V

- max. output power 12 W

VB ATT : 18 – 24 V DC (24 V DC recommended):

– max. battery current: 850 mA at 18 V
– battery alarm will be activated below 16 V DC.

CAN - 3 way screw plug-in connector
No Built-in termination

CAN - RJ

RJ connector to directly connect and supply a MMI
No built in termination

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Danfoss

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fo

ss

G

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 60695-2-12

- Ball test: 125 °C according to IEC 60730-1. Leakage current: ≥ 250 V according to IEC 60112

Other features

- Operating conditions CE: -20T60, 90% RH non-condensing

- Storage conditions: -30T80, 90% RH non-condensing

- To be integrated in Class I and/or II appliances

- Index of protection: IP 20 on product and IP40 only on the front cover

- Period of electric stress across insulating parts: long

- Suitable for using in a normal pollution environment

- Category of resistance to heat and re: D

- Immunity against voltage surges: category II

- Software class and structure: class A

Ce compliance

This product is designed to comply with the following EU standards:

- Low voltage guideline: 2014/35/EU

- Electromagnetic compatibility EMC: 2014/30/EU and with the following norms:

- EN61000-6-1, EN61000-6-3 (immunity for residential, commercial and light-industrial environments)

- EN61000-6-2, EN61000-6-4 (immunity and emission standard for industrial environments)

- EN60730 (Automatic electrical controls for household and similar use)

General warnings

- Every use that is not described in this manual is considered incorrect and is not authorized by the manufacturer

- Verify that the installation and operating conditions of the device respect those specied in the

manual, especially concerning the supply voltage and environmental conditions

- This device contains live electrical components. All service and maintenance operations must therefore be

performed by qualied personnel

- The device must not be used as a safety device

- Liability for injury or damage caused by the incorrect use of the device lies solely with the user

Installation warnings

- Recommended 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 carrying out any maintenance operations on the device, disconnect all electrical connections

- For safety reasons the appliance must be tted inside an electrical panel with no live parts accessible

- Do not expose the device to continuous water sprays or to a relative humidity greater than 90%.

- Avoid exposure to corrosive or pollutant gases, natural elements, environments where explosives or mixes of
ammable gases are present, dust, strong vibrations or shock, large and rapid uctuations in ambient temperature
that might cause condensation in combination with high humidity, strong magnetic and/or radio interference
(e.g. transmitting antennae)

- When connecting loads be aware of the maximum current for each relay and connector

- Use cable ends suitable for the corresponding connectors. After tightening connector screws, tug the cables gently
to check their tightness

- Use appropriate data communication cables. Refer to the EKE data sheet for the kind of cable to be used and setup
recommendations

- Minimize the length of probe and digital input cables as much as possible, and avoid spiral routes around power
devices. Separate from inductive loads and power cables to avoid possible electromagnetic noises

- Avoid touching or nearly touching the electronic components tted on the board to avoid electrostatic discharges

Product warnings

• Use a class II category transformer for 24 V AC power supply.

• Connecting any EKE inputs to mains voltage will permanently damage the controller.

• Battery Backup terminals does not generate power to recharge a device connected.

• Batter y backup - the voltage will close the stepper motor valves if the controller loses its supply
voltage.

• Do not connect an external power supply to the digital input DI terminals to avoid damaging the

controller.

© Danfoss | Climate Solutions | 2021.09

320.10

80G320.10

80

AN325741271542en-000403 | 3

DIN rail mounting / demounting

The unit ca n be mounted onto a 35 mm DIN rail s imply by snapping it into p lace and securing it wi th a stopper to prevent
sliding.
It is demounted by gently p ulling the stirrup lo cated in the base of the h ousing.

1

2

Connection overview: EKE 1D

“Click”

L

H

3

ANALOG / DIGITAL INPUT

ANALOG / DIGITAL INPUT

COM

5V+

DI2

Danfoss

80G8287A.01

L

–/~

DI1

COM

5V+

DI2

DI1

H

GND

Superheat controller

Superheat controller
EKE 1D - 080G5360

+/~

GND

Bat+A1A2B1B2

GND

CAN - RJCAN

CAN RJ

COM

AI4

AI3

AI2

AI1

COM

CAN RJ

COM

AI4

AI3

AI2

AI1

COM

NO1C1NC1

© Danfoss | Climate Solutions | 2021.09

–/~

+/~

GND

Bat+A1A2B1B2

PWR 24V Vbat STEPPER VALVE DIGITAL OUTPUT

NO1C1NC1

DIGITAL OUTPUTSTEPPER VALVE

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Connection overview, EKE 1D

CANBus

Master controller

MMIGRS2 Display

CAN RJ

080G0294 (optional)

Supervisor

network

1

3

2

Pressure transmitter

e.g. AKS 32R

Power supply

24 V AC

± 20%

–
+

EKE

AKS Cable

connection

060G1034

24 V DC

± 20%

LHGND

Danfoss

80G318.10

–/~

–/~

2.5 A

T fuse

(optional)

ETS6 valve

ETS / KVS
Colibri®
CCMT/CTR valves

CANBus

LHGND

–/~

–/~

+/~

+/~

backup

(optional)

COM

COM

GND

GND

+

18 V

Batt

5V+

5V+

Superheat controller

+/~

+/~

DI2

DI1 (ON/OFF)*

DI2

DI1

DI2

DI1

COM

5V+

DI2

COM

5V+

DI2

Superheat controller
EKE 1D - 080G5360

GND

Bat+A1A2B1B2

GND

Bat+A1A2B1B2

Bat+A1A2B1B2

Bat+A1A2B1B2

NTC (S2)

COM

AI4 (0 / 10 V)

COM

AI4

AI3

AI2

COM

AI4

AI3

AI2

DI1

COM

AI4

AI3

AI2

DI3

COM

DI1

COM

AI4

AI3

AI2

AI1

COM

NO1C1NC1

NO1C1NC1

red

black

yellow

orange

red

black

white

green

Optional

NTC (S3/S4)

CANBus

CAN RJ

CAN RJ

DI3

COM

AI1

COM

CAN RJ

CAN RJ

* Note: If Dl1(On/O) switch is not
used it must be short circuited

NO1C1NC1

NO1C1NC1

Relay

Normally open or

normally closed

(optional)

ON/OFF

solenoid

valve

080G0075 (opt.)

Alarm

MMIMYK
Gateway

Power

Power

KoolProg

PC tool

C1 NC1

C1 NO1

© Danfoss | Climate Solutions | 2021.09

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