Definition Of Common Functions - Danfoss AK-CC 750A User Manual

Configuration - continued
Definition of common
functions
1. Go to Configuration menu
2. Select Common functions
3. Set functions in the first display
Press the +-button to go on to the
next page
4. Set the functions in another
display
Press the +-button to go on to the
next page
AK-CC 750A
Example:
The settings are shown here in the
display.
Example:
The settings are shown here in the
display.
RS8HP102 © Danfoss 2018-09
3-
Common functions for fans and rail heat
Fan control
Select required fan control:
• Single fan (one relay)
• two speed fan (two relais)
• EC fan (analogue voltage output)
• VSD fan (analogue voltage output + one start relay)
Fan pulsing at cutout
Select whether you want the fans to pulse during the
thermostat's cutout period. Pulsing can be restricted to
either: "night operation only" (appliance with night cover)
or "both day and night operation" (cold storage room)
Fan eco during thermostat cutout
Select when the fans should run on low speed:
• Never
• Both day and night
• Night only
Fan ON % (at single fan)
Set how long the fans should be ON during pulsing. Enter
as a percentage of the pulse period.
Fan duty cycle (at single fan)
Set the fan's operation period for pulsing
Fan day (at EC or VSD)
Fan speed during normal day operation
Fan night (at EC or VSD)
Fan speed during normal night operation
Fan day eco (at EC or VSD)
Fan speed during day operation and thermostat cutout-
Fan night eco (at EC or VSD)
Fan speed during night operation and thermostat cutout
EC min start speed (at EC or VSD)
Lowest speed the first 10 seconds after start
Fan stop on S5
Select whether the fans should stop if the S5A tempera-
ture is too high. Used to stop the fans if refrigeration is not
working.
Fan stop temp.
Set the temperature limit for the S5A sensor at which the
fans stop
Rail heat control
Select whether to use pulsing/rail heat control. Non/Timer
or Dew point.
Rail ON at day
Set how long the rail heat should be ON for during day
operation. Enter as a percentage of the rail heat pulse
period
Rail heat at night
Set how long the rail heat should be ON for during night
operation. Enter as a percentage of the rail heat pulse
period.
Dew point max. limit
At a dew point above this value, rail heat is 100%.
Dew point min limit
At a dew point below this value, rail heat is controlled
with the next setting "Min ON".
Rail heat Min ON%
Period in which the dew point is below the min. limit.
Rail heat cycle time
Rail heat pulse period.
Rail heat during defrost
Select whether you want the rail heat to be OFF during
defrost.
4-
Common functions for compressor and case cleaning
Compressor control
Select whether you want to use compressor control
Min. ON time
Set the minimum runtime for the compressor once it has
started
Min. Restart time
Set the minimum time between the compressor stopping
and restarting
Runtime total
Set any runtime for the compressor
Case cleaning
Select whether you want an case cleaning function
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