AK-CC 550A  Manual RS8FS402 © Danfoss 2016-03  29
Defrost sensor: 0 =Stop on time, 1=S5, 2=S4, 3=Sx 
(Application 1-8 and 10: both S5 and S6. 
Application 9: S5 and S5B)     
d10 1 1 1 1 1 1 1 1 1 1 0 3 0
Pump down delay
d16 1 1 1 1 1 1 1 1 1 1 0 min. 60 min. 0
Drain delay  (used at hot gas defrost only) d17 1 0 min. 60 min. 0
Max. aggregate refrigeration time between two defrosts
d18 1 1 1 1 1 1 1 1 1 1 0 hrs 48 hrs 0/OFF
Heat in drip tray. Time from defrosting stops to heating 
in the drip tray is switched o
d20 1 0 min. 240 min. 30
Adaptive defrost:
0=not active,  1=monitoring only,  2=skip allowed day, 
3=skip allowed both day and night, 4=own assessment  
+ all schedules
d21 1 1 1 1 1 1 1 1 1 1 0 4 0
Time delay before opening of hot gas valve d23 1 0 min 60 min 0
Rail heat during defrost
0=o. 1=on. 2=Pulsating
d27 1 1 1 1 1 1 1 0 2 2
Injection control function
Max. value of superheat reference
n09 1 1 1 1 1 1 1 1 1 1 2°C 20°C 12
Min. value of superheat reference
n10 1 1 1 1 1 1 1 1 1 1 2°C 20°C 3
MOP temperature. O if MOP temp. = 15.0 °C n11 1 1 1 1 1 1 1 1 1 1 -50°C 15°C 15
Period time of AKV pulsation
Only for trained personnel
n13 1 1 1 1 1 1 1 1 1 1 3 sec 6 sec 6
Fan
Fan stop temperature (S5)
F04 1 1 1 1 1 1 1 1 1 1 -50°C 50°C 50
Pulse operation on fans:  0=No pulse operation,  1=At 
thermostat cuts out only,  2= Only at thermostat cut 
outs during night operation
F05 1 1 1 1 1 1 1 1 1 1 0 2 0
Period time for fan pulsation (on-time + o-time) F06 1 1 1 1 1 1 1 1 1 1 1 min. 30 min. 5
On-time in % of period time F07 1 1 1 1 1 1 1 1 1 1 0 % 100 % 100
Real time clock
Six start times for defrost. 
Setting of hours. 
0=OFF
t01 - 
t06
1 1 1 1 1 1 1 1 1 1 0 hrs 23 hrs 0
Six start times for defrost.
Setting of minutes.
0=OFF
t11 - 
t16
1 1 1 1 1 1 1 1 1 1 0 min. 59 min. 0
Clock - Setting of hours
t07 1 1 1 1 1 1 1 1 1 1 0 hrs 23 hrs 0
Clock - Setting of minute
t08 1 1 1 1 1 1 1 1 1 1 0 min. 59 min. 0
Clock - Setting of date
t45 1 1 1 1 1 1 1 1 1 1 1 day 31 day 1
Clock - Setting of month
t46 1 1 1 1 1 1 1 1 1 1 1 mon. 12 mon. 1
Clock - Setting of year
t47 1 1 1 1 1 1 1 1 1 1 0 year 99 year 0
Miscellaneous
Delay of output signals after start-up
o01 1 1 1 1 1 1 1 1 1 1 0 sec 600 sec 5
Input signal on DI1. Function:
0=not used. 1=status on DI1. 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=thermostat band changeover (activate r21). 8=alarm 
function when closed. 9=alarm function when open. 
10=Appliance cleaning (pulse signal). 11=forced cooling at 
hot gas defrost, 12=night cover. 15=case shut down
o02 1 1 1 1 1 1 1 1 1 1 0 15 0
Network address
o03 1 1 1 1 1 1 1 1 1 1 0 240 0
On/O switch (Service Pin message)
IMPORTANT! o61 must be set prior to o04
(used at LON 485 and DANBUSS only)
o04 1 1 1 1 1 1 1 1 1 1 0/O 1/On 0/O
Access code 1 (all settings)
o05 1 1 1 1 1 1 1 1 1 1 0 100 0
Used sensor type : 0=Pt1000,  1=Ptc1000,   o06 1 1 1 1 1 1 1 1 1 1 0/Pt 1/Ptc 0/Pt
Readout of software version o08 1 1 1 1 1 1 1 1 1 1
Max hold time after coordinated defrost
o16 1 1 1 1 1 1 1 1 1 1 0 min. 360 min. 20
Select signal for display view.  S4% (100%=S4, 0%=S3)
o17 1 1 1 1 1 1 1 1 0 % 100 % 100
Pressure transmitter working range – min. value
o20 1 1 1 1 1 1 1 1 1 1 -1 bar 5 bar -1
Pressure transmitter working range – max. value
o21 1 1 1 1 1 1 1 1 1 1 6 bar 200 bar 12
Refrigerant setting:
1=R12.  2=R22.  3=R134a.  4=R502.  5=R717.  6=R13.  
7=R13b1.  8=R23.  9=R500.  10=R503.  11=R114.  
12=R142b. 13=User dened. 14=R32. 15=R227.  
16=R401A.  17=R507. 18=R402A.  19=R404A. 20=R407C.  
21=R407A.  22=R407B.  23=R410A.  24=R170.  25=R290.  
26=R600.  27=R600a.  28=R744.  29=R1270. 30=R417A. 
31=R422A. 32=R413A. 33=R422D. 34=R427A. 35=R438A. 
36=R513A. 37=R407F. 38=R1234ze. 39=R1234yf.
o30 1 1 1 1 1 1 1 1 1 1 0 39 0
Continued Code  1  2 3 4  5  6 7 8 9 10 Min. Max. Fac. Actual