Danfoss AK-CC 250A User Manual

AK-CC 250A Instructions RI8PG202 © Danfoss 02/2014 5
*) Can only be set when regulation is stopped (r12=0)
**) Can be controlled manually, but only when r12=-1
***) With access code 2 the access to these menus will be limited
SW = 2.3x
Factory settings are indicated for standard units. Other code numbers have custom-
ized settings.
Fault code display Alarm code display Status code display
E 1 Fault in controller A 1 High temperature alarm S0 Regulating
E 6 Change battery + check clock A 2 Low temperature alarm S 1 Waiting for end of the coordinated defrost
E 25 S3 sensor error A 4 Door alarm S 2 ON-time Compressor
E 26 S4 sensor error A 5 Max. Hold time S 3 OFF-time Compressor
E 27 S5 sensor error A 15 DI 1 alarm S 4 Drip-o time
A 16 DI 2 alarm S 10 Refrigeration stopped by main switch
A 45 Standby mode S 11 Refrigeration stopped by thermostat
A 59 Case cleaning S 14 Defrost sequence. Defrosting
A 60 HACCP alarm S 15 Defrost sequence. Fan delay
S 17 Door open (open DI input)
S 20 Emergency cooling
S 25 Manual control of outputs
S 29 Case cleaning
S 30 Forced cooling
S 32 Delay of output at start-up
S33 Heat function r36 is active
non The defrost temperature cannot be dis-
played. There is stop based on time
-d- Defrost in progress
PS Password required
The buttons
Set menu
1. Push the upper button until a parameter
r01 is shown
2. Push the upper or the lower button and
nd that parameter you want to change
3. Push the middle button until the
parameter value is shown
4. Push the upper or the lower button and
select the new value
5. Push the middle button again to enter
the value.
Cutout alarm relay / receipt alarm/see alarm
code
• Push short the upper button
Set temperature
1. Push the middle button until the
temperature value is shown
2. Push the upper or the lower button and
select the new value
3. Push the middle button to select the
setting.
Reading the temperature at defrost sensor
• Push briey the lower button
Manuel start or stop of a defrost
• Push the lower button for four seconds.
(Though not for application 4).
See HACCP registration
1. Give the middle button a long push until
h01 appears
2. Select required h01-h10
3. See value by giving the middle button a
short push
LED
Light emitting diode
= refrigeration
= defrost
= fan running
Flashes fast at alarm
HACCP
HACCP function is active
Status on relay for defrost ** u60
Status on relay for rail heat ** u61
Status on relay for alarm ** u62
Status on relay for light ** u63
Status on relay for valve in suction line ** u64
Status on relay for compressor 2 ** u67

Danfoss AK-CC 250A Specifications

General

Brand	Danfoss
Model	AK-CC 250A
Category	Controller
Language	English