Operation with setting display
Display AK-UI55 Set
The values will be shown with three digits, and with a setting you can determine whether the temperature is to be shown in °C or in °F.
Factory setting
If you need to return to the factory-set values, it can be done in this way:
- Cut off 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".
The display can give the following messages:
-d- Defrost is in progress
Err The temperature cannot be displayed due to a sensor error
Err The display cannot load data from the controller. Disconnect and then reconnect the display
ALA The alarm button is activated. The first alarm code is then shown
- - - Top position in the alarm queue
- - - Bottom position in the alarm queue
Loc The configuration is locked. Unlock by pressing (for 3 seconds) on the ‘up arrow’ and ‘down arrow’ simultaneously
UnL The configuration 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 Off
SEr The main switch is set to service / manual operation
CO Flashes: Will display in event of a refrigerant leakage alarm, but only if the refrigerant is set up for CO
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, “dEF” 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.
Alarm codes are shown on page 17.
© Danfoss | DCS (vt) | 2019.07
8 | AN294432763974en-000201
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