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Danfoss AK-CC 450 Instructions Seite 17

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Input signal on DI2. Function: 
(0=not used. 1=status on DI2. 2=door function with alarm 
when open. 3=door alarm when open. 4=defrost start (pulse-
signal).  5=ext. main switch 6=night operation 7=
band changeover 
(activate r21). 8=alarm function when 
closed. 9=alarm function when open. 10=case cleaning (pulse 
signal). 11=forced cooling at hot gas defrost.). 12=night cover,  
13=coordinaded defrost)
: 1=Light follows day /night 
Configuration of light function
operation,  2=Light control via data communication via 'o39' ,    
3=Light control with a DI-input,  4=As "2", but light switch 
on and night cover will open if the network cut out for more 
than 15 minutes.
Activation of light relay (only if o38=2)
Rail heat On time during day operations
Rail heat On time during night operations
Rail heat period time (On time + Off time)
Case cleaning. 0=no case cleaning. 1=Fans only. 2=All output Off.
Selection of  EL diagram. See overview page 2 and 3
Download a  set of predetermined settings. See overview page 14 
Access code 2 (partial access)
Save the controllers present settings to the programming key. 
Select your own number. 
Load a set of settings from the programming key (previously 
saved via o65 function)
Replace the controllers factory settings with the present settings
Input signal on DI3. Function: 
(0=not used. 1=status on DI2. 2=door function with alarm when 
open. 3=door alarm when open. 4=defrost start (pulse-signal).  
5=ext. main switch 6=night operation, 
changeover
r21). 8=Not used. 9=Not used. 
(activate 
cleaning (pulse signal). 11=forced cooling at hot gas defrost, 
12=night cover. 13=Not used. 14=Refrigeration stopped
. 13=Not used. 14=Refrigeration stopped 
(forced closing))
Rail heat control
0=not used, 1=pulse control with timer function (o41 and 
o42), 2=pulse control with dew point function
Dew point value where the rail heat is minimum
Dew point value where the rail heat is 100% on 
Lowest permitted rail heat effect in % 
Time delay from "open door" refrigeration is started
Fan operation on stopped refrigeration (forced closing):
no/0=Fan Off,  yes/1=Fan On 
Definition of readings on lower button:
1=defrost stop temperature,  2=S6 temperature,    3=S5_B 
temperature. 4= Readout of S3B temperature
 AK-CC 450 
Code
o37
Thermostat 
o38
  On=light
o39
o41
o42
o43
***
o46
*
o61
*
o62 
***
o64
o65
*
o66
o67
o84
7=Thermostat band 
10=case 
o85
o86
o87
o88 
o89
o90
o92
Instructions  RI8LM352  ©  Danfoss  10/2007 
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Min.
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60 min.
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50°C
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100 %
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240 min.
60
1/yes
1/yes
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Actual
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