Danfoss AK-CC55 User Manual

Figure 42: Operating via AK-UI55 Set
Lights in event of alarm — press on alarm button — alarm relay is reset — alarm code displayed — e.g. “A1”
Lights up in event of:
Energy optimization
Cooling
Defrosting
Fan operation
Up arrow / Down arrow / Arrow to left:
Navigation in the menu and setting of values.
Long press (3 seconds) will start a defrost,
“-d-” is shown in the display.
Ongoing defrosting can be stopped by a long press.
Long press (3 seconds) gives access to the
information menu “InF”
SET:
Long press (3 seconds) gives access to the “SEt” menu.
If the operation is locked with a password, “PS” is shown. Enter the code.
Shows the setting for a chosen parameter / saves a changed setting.
Short press gives access to entering of the thermostat’s cut-out limit.
Danfoss 84B8265
Table 13: Messages provided by the display
Display readout
Denomination
-d-
Defrost is in progress
Err
The temperature cannot be displayed due to a sensor error
Err1
The display cannot load data from the controller. Disconnect and then reconnect the display
Err2
Lost display communication
ALA
The alarm button is activated. The rst alarm code is then shown
- - -
At top position of the menu or when max. value has been reached, the three dashes are shown in the top of the display
- - -
At bottom position of menu or when min. value has been reached, the three dashes are shown in the bottom of the display
Loc
The menu operation is locked. Unlock by pressing (for 3 seconds) on the ‘up arrow’ and ‘down arrow’ simultaneously
UnL
The menu operation is unlocked
- - -
The parameter has reached min. or max. limit
PS
A password is required for access to the menu
Fan
Appliance cleaning has been initiated. The fans are running
OFF
Appliance cleaning is activated and the appliance can now be cleaned
OFF
The main switch is set to O
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 CO
2
Factory setting
If you need to return to the factory-set values, do the following:
• Cut o the supply voltage to the controller
• Keep up "∧" and down "∨" arrow buttons depressed at the same time as you reconnect the supply voltage
• When FAc is shown in the display, select "yes"

NOTE:
The OEM factory setting will either be the Danfoss factory settings or a user dened factory setting if one has been
made.
The user can save his setting as OEM factory setting via parameter o67.
AK-CC55 Single Coil and Single Coil UI
© Danfoss | Climate Solutions | 2021.02 BC364229688105en-000101 | 36

Danfoss AK-CC55 Specifications

General

Brand	Danfoss
Model	AK-CC55
Category	Controller
Language	English