Danfoss AK-UI55 Installation Manual Download Page 2

AK-UI55 Info

AK-UI55 Bluetooth

Functions: 
See the respective controller's User Guide.

Lights up in event of:
Energy optimization
Cooling
Defrosting
Fan operation

Lights up in event of:
Alarm

The display can give the following messages:
-d- 

Defrost is in progress

Err 

The temperature cannot be displayed due to a sensor error

Fan 

Appliance cleaning has been initiated. The fans are running

OFF 

Appliance cleaning is activated and the appliance can be cleaned

OFF 

The main switch is set to Off

SEr 

The main switch is set to service / manual operation

CO2 

Flashes: Will display in event of a refrigerant leakage alarm, but only if the refrigerant is set up for CO2

With start-up /connection to a controller, 
the display will “light up in circles” as it col-
lects data from the controller.

Without configuration, the display 
can show the same information as 
shown above. 

Loc 
The operation is locked and cannot 
be operated via Bluetooth. 
Unlock from the system device.

Access to parameters via Bluetooth and app

1. App can be downloaded from Google App Store and Google Play

Name = AK-CC55 Connect
Start the app.

2. Click on the display’s Bluetooth button for 3 seconds.

The Bluetooth light will then flash while display is showing the 
controller’s address.

3. Connect to the controller from the app.

© Danfoss | DCS (vt) | 2019.09

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