AK-CT 450A User Guide RS8GR602 © Danfoss 2016-10 35
Displacement of time on cutin of defrost at start-up d05 1 1 1 1 1 1 1 1 0 min. 240 min. 0
Drip o time d06 1 1 1 1 1 1 1 1 0 min. 60 min. 0
Delay for fan start after defrost d07 1 1 1 1 1 1 1 1 0 min. 60 min. 0
Fan start temperature d08 1 1 1 1 1 1 1 1 -50 °C 0 °C -5
Fan cutin during defrost
0: Stopped
1: Running
2: Running during pump down and defrost
d09 1 1 1 1 1 1 1 1 0 2 1
Defrost sensor: 0 =Stop on time, 1=S5, 2=S4, 3=S5 og S5B) d10 1 1 1 1 1 1 1 1 0 3 0
Pump down delay d16 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 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
Number of permissible extended defrost cycles before an alarm
is issued
d26 1 1 1 1 1 1 1 1 1 10 1
Rail heat during defrost cycle:
0=inactive, 1=continues as set, 2=100% on
d27 1 1 1 1 1 1 1 1 0 2 2
Fan F-
Fan stop temperature (S5) F04 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 0 2 0
Period time for fan pulsation (on-time + o-time) F06 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 0 % 100 % 100
Max. permissible S4 temperature during defrost cycle. If the value
is exceeded, the fans will stop. (Setting = 15 = no function)
F22 1 1 1 1 1 1 1 1 -15°C 15°C 15
Electricity monitoring L-
Current measured electricity through relay 1 (DO1) L11 1 1 1 1 1 1 1 1 Ampere
Same for relays 2 to 8 L12-
L18
1 1 1 1 1 1 1 1 Ampere
Fuse status for relay 1/Forced control of relay 1./ Reconnection L21 1 1 1 1 1 1 1 1 0/o 1/on 1/on
Same for relays 2 to 8 L22-
L28
1 1 1 1 1 1 1 1 0/o 1/on 1/on
Electrical current value at which relay cuts out; 0 = not used
Recommended setting = measured consumption + 25%
L31 1 1 1 1 1 1 1 1 0 /4A 16 A 16
Same for relays 2 to 8 L32-
L38
1 1 1 1 1 1 1 1 0 /4A 16 A 16
Current measured voltage in phase L1 L51 1 1 1 1 1 1 1 1 V
Current measured voltage in phase L2 L52 1 1 1 1 1 1 1 1 V
Current measured voltage in phase L3 L53 1 1 1 1 1 1 1 1 V
Alarm limit for low consumption on DO2 L62 1 1 1 1 1 1 1 0 A 10 A 1
Alarm limit for low consumption on DO5 L65 1 1 1 1 0 A 10 A 1
Alarm limit for low consumption on DO6 L66 1 1 1 1 1 1 1 1 0 A 10 A 0
Alarm limit for low consumption on DO8 L68 1 1 1 1 0 A 10 A 1
Parameters for refrigeration function
n-
Period time for the pulse width period (PWM) n63 1 1 1 1 1 1 1 1 30 sec. 900 sec. 300
Max. opening degree at PWM n64 1 1 1 1 1 1 1 1 10% 100% 100
Min. opening degree at PWM n65 1 1 1 1 1 1 1 1 0% 90% 0
Expert setting. Windup at PWM n66 1 1 1 1 1 1 1 1 0.2 1.0 1.0
Expert setting. Kp at PWM n67 1 1 1 1 1 1 1 1 0.5 10.0 4.0
Expert setting. Tn at PWM n68 1 1 1 1 1 1 1 1 60 sec 1800 sec 300
Miscellaneous o-
Delay of output signals after start-up o01 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=case cleaning (pulse signal).
11=forced cooling at hot gas defrost, 12=night cover. . 13=not
used. 14=forced close. 15=appliance shutdown. 16=light.
17=extra light. 18=cancel defrost. 19=override light.
o02 1 1 1 1 1 1 1 1 0 19 0
Network address o03 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 only)
o04 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 0 100 0
Used sensor type : 0=Pt1000, 1=Ptc1000, o06 1 1 1 1 1 1 1 1 0/Pt 1/Ptc 0/Pt
Continued Code 1 2 3 4 5 6 7 8 Min. Max. Fac. Actual
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