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Instructions      RI8PG202    ©  Danfoss  02/2014 

   AK-CC 250A

1

2

3

4

5

6

7

8

9

10

Fan

Fan stop at cutout compressor

F01

no

yes

no

Delay of fan stop

F02

0 min

30 min

0 min

Fan stop temperature (S5)

F04

-50.0°C

50.0°C

50.0°C

HACCP

Actual temperature measurement for the HACCP function

h01

Last registered peak temperature

h10

Selection of function and sensor for the HACCP function. 0 = no 

HACCP function. 1 = S4 used (maybe also S3). 2 = S5 used

h11

0

2

0

Alarm limit for the HACCP function

h12

-50.0°C

50.0°C

8.0°C

Time delay for the HACCP alarm

h13

0 min.

240 min. 30 min.

Select signal for the HACCP function. S4% (100% = S4, 0% = S3)

h14

0%

100%

100%

Real time clock

Six start times for defrost. 

Setting of hours. 

0=OFF

t01-t06

0 hours 23 hours 0 hours

Six start times for defrost.

Setting of minutes.

0=OFF

t11-t16

0 min

59 min

0 min

Clock - Setting of hours

***

t07

0 hours 23 hours 0 hours

Clock - Setting of minute

***

t08

0 min

59 min

0 min

Clock - Setting of date

***

t45

1

31

1

Clock - Setting of month

***

t46

1

12

1

Clock - Setting of year

***

t47

0

99

0

Miscellaneous

Delay of output signals after start-up

o01

0 s

600 s

5 s

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-pres-

sure).  5=ext.main switch. 6=night operation 7=change refer-

ence (activate r40). 8=alarm function when closed. 9=alarm 

function when open. 10=case cleaning (pulse pressure). 

11=forced cooling at hot gas defrost.

o02

1

11

0

Network address (0=off)

o03

0

240

0

Access code 1 (all settings)

o05

0

100

0

Used sensor type. See page 6.

Pt: Pt 1000 Ω @ 0°C

P01: PTC 1000 Ω (nominal 990 Ω) = EKS 111

P02: PTC 1000 Ω @ 25°C (nominal 1000 Ω)

o06

Pt

P02

Pt

Display step = 0.5 (normal 0.1 at Pt sensor)

o15

no

yes

no

Max hold time after coordinated defrost

o16

0 min

60 min

20

Select signal for display view.  S4% (100%=S4, 0%=S3)

o17

0%

100%

100%

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-pres-

sure).  5=ext. main switch 6=night operation 7=change refer-

ence (activate r40). 8=alarm function when closed. 9=alarm 

function when open. 10=case cleaning (pulse pressure). 

11=forced cooling at hot gas defrost.). 12=coordinated defrost)

o37

0

12

0

Configuration of light function (relay 4)

1=ON during day operation. 2=ON / OFF via data communica-

tion. 3=ON follows the DI-function, when DI is selected to door 

function or to door alarm

o38

1

3

1

Activation of light relay (only if o38=2)

o39

OFF

ON

OFF

Rail heat On time during day operations

o41

0%

100%

0

Rail heat On time during night operations

o42

0%

100%

0

Rail heat period time (On time + Off time)

o43

6 min

60 min

10 min

Case cleaning. 0=no case cleaning. 1=Fans only. 2=All output 

Off.

***

o46

0

2

0

Selection of  EL diagram. See overview page 2

*

o61*

1

10

1

Download a  set of predetermined settings. See overview 

previous page. 

*

o62*

0

6

0

Access code 2 (partly access)

***

o64

0

100

0

Save the controllers present settings to the programming key. 

Select your own number. 

o65

0

25

0

Load a set of settings from the programming key (previously 

saved via o65 function)

o66*

0

25

0

Replace the controllers factory settings with the present set-

tings

o67

OFF

On

OFF

Service

Status codes are shown on page 5

S0-S33

Temperature measured with S5 sensor

***

u09

Status on DI1 input. on/1=closed

u10

Temperature measured with S3 sensor

***

u12

Status on night operation (on or off) 1=closed

***

u13

Temperature measured with S4 sensor

***

u16

Thermostat temperature

u17

Read the present regulation reference

u28

Status on DI2 output. on/1=closed

u37

Temperature shown on display

u56

Measured temperature for alarm thermostat

u57

Status on relay for cooling

**

u58

Status on relay for fan

**

u59

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