Danfoss KoolKey User Manual

User Guide
KoolKey
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.
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
Download KoolProg® at: koolprog.danfoss.com)
KoolProg® as Programming Key
Programming key function is used for transferring parameter files from key to controller and vice versa.
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.
a. EETa controller with main power
KoolKey
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.
b. EETc/EETa controller without main power
To Power bank /
KoolKey
5 V power supply
© Danfoss | DCS (vt) | 2020.10
for detailed instructions on how to use KoolProg.
To COM 
Type C USB
To COM 
EETa
To COM 
EETc/EETa
To main power
BC349529829398en-000101 | 1