Installation Guide for Danfoss models including: EKA-200 KoolKey Gateway, KoolKey Gateway, Gateway

KoolKey, type EKA 200


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AN404130514212en-000301
Installation Guide

Danfoss 80G8257

KoolKey Type EKA 200

080R4218 AN404130514212en-000301

KoolKey is a gateway and programming device to:

· Connect the Danfoss electronic controller to a PC and act as a gateway when working online using the KoolProg® application on the PC.

· Act as programming key to program parameter settings (configuration) into the Danfoss electronic controllers in the production and field.

Supported controller types: 1. ERC 111, 112, 113 3. EETc 11, 12, 21, 22 & EETa 2W, 3W 2. ERC 211, 213, 214 4. EKF 1A, 2A

5. EKC 223, 224

Fig. 1: KoolKey EKA 200

Warning: 1. Ensure to disconnect non-isolated controllers (ERC 11X & EET) from mains power, before connecting to KoolKey. 2. Do not leave the interface cable hanging from powered-up controller.

Danfoss 80G8274

KoolKey as a Gateway Gateway mode makes it possible to work online with the connected Fig. 2: KoolKey as gateway controller through KoolProg® on a PC.

KoolProg® allows following functions: · Set Parameters ­ Create, view and edit controller settings. · Copy to Controller ­ Program settings file created offline to the
connected controller. · Online service ­ Monitor real time operations of the controllers and
make adjustments to the parameter settings while connected.

Connection: · Connect the KoolKey using a standard USB cable to the USB port of
a PC installed with KoolProg® software · Connect the controller to KoolKey other end using the interface cable
of the respective controller type · The controller gets power from the PC via connected KoolKey

Standard Micro-USB cable

(Refer to the KoolProg® User Guide for detailed instructions on how to use KoolProg. Download KoolProg® at: koolprog.danfoss.com)

Interface cable

KoolKey as Programming Key

Supported parameter file formats

The programming key function is used for transferring parameter settings files from the KoolKey to the controller and vice versa.
Transfer or copy the parameter file in below format to KoolKey like any other storage device.
We recommend to save only the file intended for the target controller.

Controller EETa, EETc ERC 11x ERC 21x EKC 22x EKF1A, EKF2A

File format Naming convention

.xml

080Nxxxx.xml

.xml / .erc 080Gxxxx.xml / xxxx.erc

.xml / .erc 080Gxxxx.xml / xxxx.erc

.xml / .erc 084Bxxxx.xml / xxxx.erc

.xml

080Gxxxx.xml

Danfoss 80G8274

a. Steps to program a powered-up controller: 1. Connect the KoolKey to the controller's communication port using
an interface cable. 2. Power up the controller using 120 V/230 V power supply. 3. Move the slider switch to required position and short press (1 sec)
the start button to transfer data. 4. After successful data transfer, switch off the controller power
supply and remove the KoolKey.

Note: xxxx is the last four digits of controller's code no. Fig. 3: Controller with main power
Interface cable Controller

Note: KoolKey requires to be connected to a power source while programming EET compact (EETc) or EKF controllers as mentioned in Fig. 4.
b. Steps to program an unpowered controller (write function only):
1. Connect a Power bank or a 5 V power supply to KoolKey USB port. 2. Connect the KoolKey to the controller's communication port using
an interface cable. 3. Write function gets initiated as soon as the KoolKey is connected
to controller (no need to press the start button).

KoolKey

Fig. 4: Controller without main power

To Power bank / 5 V power supply

Interface cable

KoolKey

Controller

Danfoss 80G8275

© Danfoss | Climate Solutions | 2023.04

AN404130514212en-000301 | 1

Parameter file transfer steps and LED indications: Function Action

Illustration

Power-up

KoolKey can be powered up by connecting to an external power bank (Mass programming mode) or a powered-up controller (Copy key mode)1).
1) Not supported by EETc.

Red

Green

Write and Read function
File transfer confirmation

a. Write function: · Move the slider switch to "Write" position · Short press the start button (1 s) to
transfer data from the KoolKey to the controller
Note: When KoolKey is connected to a power bank, the write functions get initiated automatically as soon as the KoolKey is connected to a controller without pressing the start button.
b. Read Function: · Move the slider switch to "Read" position · Short press the start button (1 s) to
transfer data from the controller to the KoolKey
Note: Read function is not supported when KoolKey is powered up from a power bank.
Successful file transfers (Write function can take up to 10 s and read function can take 15 ­ 20 s to successfully complete)
Unsuccessful file transfer (Check connection and ensure compatible programing file saved in KoolKey).

~1 s Yellow
Slider switch
~1 s Yellow
Slider switch Green Red

Danfoss 80G8266

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Danfoss 80G8264

Danfoss 80G8263

Danfoss 80G8262

LED info · The LED will flash red slowly,
indicating that KoolKey is powered up. · After a few seconds, the LED will turn steady green, indicating successful connection and data transfer readiness
Yellow LED flashes rapidly. Indicating parameter file download
Yellow LED blinks rapidly. Indicating parameter file download
Constant green
Rapid red flashes

Ordering Description KoolKey, EKA 200 Interface cable for EET / EKF / EKA 201, 1 m Interface cable for ERC 21x / EKC 22x, 1 m Interface cable for ERC 11x, 1 m

Code no. 080N0020 080N0324 080N0326 080N0328

2 | AN404130514212en-000301

© Danfoss | Climate Solutions | 2023.04



References

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