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AK-CC 

250A 

Instructions RI8PG202 © Danfoss 02/2014 

3

Setting:

1 Open parameter r12 and stop the regulation

2 Open parameter o06 and set the used sensor 

type

3 Select electric connection based on the draw-

ings on page 2

4 Open parameter o61 and set the electric con-

nection number in it

5 Now select one of the preset settings from the 

table on the right-hand side

6 Open parameter o62 and set the number for 

the array of presettings

7 Open parameter r12 and start the regulation

8 Go through the survey of factory settings. 

Make any necessary changes in the respective 

parameters.

9 For network. 

  a. Set the address in o03

  b. Start scan function in the system unit.

Auxiliary table for settings

(quick-setup)

Case

Room

Defrost 

stop on 

time

Defrost stop 

on S5

Defrost  

stop on 

time

Defrost stop 

on S5

Preset settings

 (o62)

1

2

3

4

5

6

Temperature (SP)

4°C

2°C

-24°C

6°C

3°C

-22°C

Max. temp. setting (r02)

6°C

4°C

-22°C

8°C

5°C

-20°C

Min. temp. setting (r03)

2°C

0°C

-26°C

4°C

1°C

-24°C

Sensor signal for thermostat. S4% (r15)

100%

0%

Alarm limit high (A13)

10°C

8°C

-15°C

10°C

8°C

-15°C

Alarm limit low (A14)

-5°C

-5°C

-30°C

0°C

0°C

-30°C

Sensor signal for alarm funct.S4% (A36)

100%

0%

Interval between defrost (d03)

6 h

6h

12h

8h

8h

12h

Defrost sensor: 0=time, 1=S5, 2=S4 (d10)

0

1

1

0

1

1

DI1 config. (o02)

Case cleaning =10

Door function =3

Sensor signal for display view S4% (017)

100%

0%

Array 1-6:  The settings in the grey fields will be changed

English

Parameters

EL-diagram number (page 2)

Min.-

value

Max.-

value

Factory 

setting

Actual 

setting

Function

 Codes 1

2

3

4

5

6

7

8

9

10

Normal operation

Temperature (set point)

---

-50.0°C

50.0°C

2.0°C

Thermostat

Differential

***

r01

0.0 K

20.0K

2.0 K

Max. limitation of stepson setting

***

r02

-49.0°C

50°C

50.0°C

Min. limitation of set point setting

***

r03

-50.0°C

49.0°C

-50.0°C

Adjustment of temperature indication

r04

-20.0 K

20.0 K

0.0 K

Temperature unit (°C/°F)

r05

°C

°F

°C

Correction of the signal from S4

r09

-10.0 K

+10.0 K

0.0 K

Correction of the signal from S3

r10

-10.0 K

+10.0 K

0.0 K

Manual service, stop regulation, start regulation (-1, 0, 1)

r12

-1

1

0

Displacement of reference during night operation

r13

-10.0 K

10.0 K

0.0 K

Definition and weighting, if applicable, of thermostat sensors 

- S4% (100%=S4,  0%=S3)

r15

0%

100%

100%

The heating function is started a number of degrees below the 

thermostats cutout temperature

r36

-15.0 K

-3.0 K

-15.0 K

Activation of reference displacement  r40

r39

OFF

ON

OFF

Value of reference displacement (activate via r39 or DI)

r40

-50.0 K

50.0 K

0.0 K

Alarm

Delay for temperature alarm

A03

0 min

240 min

30 min

Delay for door alarm

***

A04

0 min

240 min

60 min

Delay for temperature alarm after defrost

A12

0 min

240 min

90 min

High alarm limit

***

A13

-50.0°C

50.0°C

8.0°C

Low alarm limit

***

A14

-50.0°C

50.0°C

-30.0°C

Alarm delay DI1

A27

0 min

240 min

30 min

Alarm delay DI2

A28

0 min

240 min

30 min

Signal for alarm thermostat. S4% (100%=S4, 0%=S3)

A36

0%

100%

100%

Compressor

Min. ON-time

c01

0 min

30 min

0 min

Min. OFF-time

c02

0 min

30 min

0 min

Time delay for cutin of comp.2

c05

0 sec

999 sec

0 sec

Compressor relay 1 must cutin and out inversely

(NC-function)

c30

0

OFF

1

ON

0

OFF

Defrost

Defrost method (none/EL/GAS/BRINE)

d01

no

bri

EL

Defrost stop temperature

d02

0.0°C

25.0°C

6.0°C

Interval between defrost starts

d03

0 hours 48 hours 8 hours

Max. defrost duration

d04

0 min

180 min

45 min

Displacement of time on cutin of defrost at start-up

d05

0 min

240 min

0 min

Drip off time

d06

0 min

60 min

0 min

Delay for fan start after defrost

d07

0 min

60 min

0 min

Fan start temperature

d08

-15.0°C

0.0°C

-5.0°C

Fan cutin during defrost

0: Stopped

1: Running

2: Running during  pump down and defrost

d09

0

2

1

Defrost sensor (0=time, 1=S5, 2=S4)

d10

0

2

0

Pump down delay

d16

0 min

60 min

0 min

Drain delay

d17

0 min

60 min

0 min

Max. aggregate refrigeration time between two defrosts

d18

0 hours 48 hours 0 hours

Defrost on demand - S5 temperature’s permitted variation dur-

ing frost build-up. On central plant choose 20 K (=off)

d19

0.0 K

20.0 k

20.0 K

Delay of hot gas injection

d23

0 min

60 min

0 min

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