Danfoss KoolKey Bedienungsanleitung

User Guide

KoolKey

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Principle

KoolKey is an interface and programming device to:

• Connect EET Controller with PC and act as a gateway when working

online using KoolProg® application on the PC.

• Act as programming key to program settings into EET controllers in the

production and the ﬁeld.

KoolProg®as Programming Key

Programming key function is used for transferring parameter ﬁles from key to controller and vice versa.

a. EETa controller with main power

KoolKey

EETa

To COM 

To main power

Programming a powered-up controller:

• Power up the controller using 120 V / 230 V power supply

• Connect the koolKey to controller TTL port using KoolKey cable

Note: EET compact (EETc) does not support this option.

Programming an unpowered controller:

• Connect Power bank or 5 V power supply to KoolKey USB type A port.

• Connect the Koolkey to controller TTL port using KoolKey cable.

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KoolKey as a Gateway

Gateway mode enables to work online with the connected 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 connected

controller.

• Online service – Monitor real time operations of the controllers and make

adjustments to the settings while connected.

Connection:

• Connect the KoolKey to USB port of PC installed with KoolProg® software

• Connect the controller to KoolKey using KoolKey cable

(Refer KoolProg® User Guide for detailed instructions on how to use KoolProg.

Download KoolProg® at: koolprog.danfoss.com)

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b. EETc/EETa controller without main power

To Power bank /

5 V power supply

KoolKey

EETc/EETa

To COM 

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To COM 

Type C USB



2 | BC349529829398en-000101

Step Action Illustration LED info

Power up KoolKey by either connecting

to an external power bank or to a

powered up controller.

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2. Green

1. Re

• The LED will ﬂash red indicating KoolKey

is powered up.

• After few seconds LED would turn green

indicating successful connection and data

transfer readiness

a. Write funtion: Short press the button

(1 sec) to transfer data from the

KoolKey to the controller.

Note: When KoolKey is connected to

power bank, the write functions gets

initiated automatically as soon as the

Koolkey is connected to controller

without pressing the button.

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Data

~1 sec.

Green

Green LED ﬂashes –

Indicating parameter ﬁle upload

b. Read Function: Long press the button

(3 sec) to transfer data from the

controller to the KoolKey.

Note:

• Read function is not supported

when KoolKey is powered up from a

power bank.

• Make sure that an xml ﬁle with

the same name is already saved in

KoolKey before executing the read

function.

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Green

~3 sec.

Data

Green LED ﬂashes -

Indicating parameter ﬁle download

Successful ﬁle transfers

(This could take around 5 – 8 sec for

read and write functions to successfully

complete.

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Green

Constant green

Unsuccessful ﬁle transfer

(Check connection and compatible

programing ﬁle).

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Red ﬂashes

ADAP-KOOL®

Parameter ﬁle transfer steps:

Note: Do not leave the cable hanging when connected to a live controller.

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