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Danfoss AK-CC 550A, User Manual, Page: 31 / 36

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Danfoss AK-CC 550A User Manual Download Page 31

AK-CC 

550A 

Manual RS8FS402 © Danfoss 2016-03 

31

Service

Temperature measured with S5 sensor

u09

1

1

1

1

1

1

1

1

1

1

Status on DI1 input. on/1=closed

u10

1

1

1

1

1

1

1

1

1

1

Actual defrost time (minutes)

u11

1

1

1

1

1

1

1

1

1

1

Temperature measured with S3 sensor

u12

1

1

1

1

1

1

1

1

1

1

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

u13

1

1

1

1

1

1

1

1

1

1

Temperature measured with S4 sensor

u16 

1

1

1

1

1

1

1

1

1

1

Thermostat temperature

u17

1

1

1

1

1

1

1

1

Run time of thermostat (cooling time) in minutes

u18

1

1

1

1

1

1

1

1

1

1

Temperature of evaporator outlet temp.

u20

1

1

1

1

1

1

1

1

1

1

Superheat across evaporator

u21

1

1

1

1

1

1

1

1

1

1

Reference of superheat control

u22

1

1

1

1

1

1

1

1

1

1

Opening degree of AKV valve

**

u23

1

1

1

1

1

1

1

1

1

1

Evaporating pressure Po (relative)

u25

1

1

1

1

1

1

1

1

1

1

Evaporator temperature To  (Calculated)

u26

1

1

1

1

1

1

1

1

1

1

Temperature measured with S6 sensor

(product temperature)

u36

1

1

1

1

1

1

1

1

Status on DI2 output. on/1=closed

u37

1

1

1

1

1

1

1

1

1

1

Air temperature . Weighted S3 and S4

u56

1

1

1

1

1

1

1

1

1

1

Measured temperature for alarm thermostat

u57

1

1

1

1

1

1

1

1

Status on relay for cooling

**

u58

1

1

1

1

Status on relay for fan

**

u59 

1

1

1

1

1

1

1

1

1

1

Status on relay for defrost

**

u60

1

1

1

1

1

1

1

1

1

Status on relay for railheat

**

u61

1

1

1

1

1

1

1

Status on relay for alarm

**

u62

1

1

1

1

1

Status on relay for light

**

u63

1

1

1

1

1

1

1

1

Status on relay for valve in suction line

**

u64

1

Status on relay for compressor 2

**

u67

1

Temperature measured with S5B sensor

u75

1

Temperature measured with S3B sensor

u76

1

Status on relay for hot

 gas- / drain valve

**

u80

1

Status on relay for heating element in drip tray

**

u81

1

Status on relay for 

night blinds

**

u82

1

Status on relay for defrost 

 B

**

u83

1

Status on relay for heat function

**

u84

1

Readout of the actual rail heat effect

u85

1

1

1

1

1

1

1

1: Thermostat 1 operating,   2: Thermostat 2 operating

u86

1

1

1

1

1

1

1

1

1

1

Status on high voltage input DI3

u87

1

1

1

1

1

1

1

1

1

1

Readout of thermostats actual cut in value

u90

1

1

1

1

1

1

1

1

1

1

Readout of thermostats actual cut out value

u91

1

1

1

1

1

1

1

1

1

1

Readout of status on the adaptive defrost

0: Off. Function is not activated and are zero set

1: Sensor error or S3/S4 are reversed.

2: Tuning is in progress

3: Normal

4: Light build-up of ice

5: Medium build-up of ice

6: Heavy build-up of ice

U01

1

1

1

1

1

1

1

1

1

1

Number of defrosts carried out since the initial power 

up or since  the resetting of the function

U10

1

1

1

1

1

1

1

1

1

1

Number of defrosts skipped since the initial power up 

or since the resetting of the function

U11

1

1

1

1

1

1

1

1

1

1

Continued

Code  1  2 3 4  5  6 7 8 9 10

Min.

Max.

Fac.

Actual

*) 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

Factory setting

If you need to return to the factory-set values, it can be done in this way:

- Cut out the supply voltage to the controller

- Keep upper and lower button depressed at the same time as you reconnect the supply voltage

Summary of Contents for AK-CC 550A

Page 1: ...Controller for appliance control AK CC 550A User Guide ADAP KOOL Refrigeration control systems...

Page 2: ...ting sensor In addition to the outlet to the electronic injection valve of the type AKV the controller has 5 relay outputs which are defined by the use selected the individual usage options are descri...

Page 3: ...ange depending on the selected applica tion Application 9 This use is for refrigeration appliances with one valve two evapo rators and two refrigeration sections Here the temperature and alarm monitor...

Page 4: ...after the evaporator S4 respectively A setting for the thermostat alarm thermostat and display reading deter mines how much the two sensor values should influence each individual function e g 50 will...

Page 5: ...s for the product sensor Appliance cleaning This function makes it easy for the shop s staff to carry out a cleaning of the appliance according to a standard procedure Appliance cleaning is activated...

Page 6: ...efrosting When defrosting is commenced the heating element is activated The heating element remains activated until a set time after defrosting has ended by time or temperature Start of defrost A defr...

Page 7: ...ght The setting is also recommended for rooms A value is calculated for the evaporator air flow The evaporator is monitored and the next scheduled defrost will be carried out as required If the functi...

Page 8: ...ave top priority during normal regulation But if one of the override functions is activated the Min On time will be disregarded Railheat It is possible to pulse control the power to the rail heat in o...

Page 9: ...the data communication from a system unit Here there are two operational options if data communication should fail The light can go ON The light can stay in its current mode The light load must be con...

Page 10: ...forced closing the fans can be defined to be stopped or in operation Door contact The door contact function can via the digital inputs be defined for two different applications Alarm monitoring The co...

Page 11: ...hanged to one of the same type but with Index A version with screw terminals The controllers address must be set higher than 0 in order for the display to be able to communicate with the controller If...

Page 12: ...a product sensor but in application 9 and 10 it has a different use DI1 DI2 and DI3 are contact functions that can be used for one of the fol lowing functions door function alarm function defrost star...

Page 13: ...en the light is switched off the night blinds are down In addition a digital input provides the option of forced opening of the blinds so that the appliance can be filled with products Application 8 H...

Page 14: ...dicating application 1 If you employ another use signs are provided so that you can mount the relevant one It is only the lower sign that needs to be mounted The number is indicated on the left hand s...

Page 15: ...re values in C or in F r05 Temp unit C 0 F 1 Only C on AKM whatever the set ting Correction of signal from S4 Compensation possibility due to long sensor cable r09 Adjust S4 Correction of signal from...

Page 16: ...et time delay has been passed The time delay is set in minutes A03 Alarm delay Time delay for door alarm The time delay is set in minutes The function is defined in o02 o37 or in o84 A04 DoorOpen del...

Page 17: ...ress u58 comp7 LLSV Here you can read the status of the compressor relay Defrost Defrost control The controller contains a timer function that is zeroset after each defrost start The timer function wi...

Page 18: ...ost Here you set the time that is to elapse from compressor start after a defrost and until the fan may start again The time when water is tied to the evaporator d07 FanStartDel Fan start temperature...

Page 19: ...ers a higher temperature than the one set here the fans will be stopped There will be re start at 2 K below the setting The function is not active during a defrost or start up after a defrost With set...

Page 20: ...he address is set between 0 and 240 depending on the system unit and the selected data communication If the system unit is gateway type AKA 245 the version must be 6 20 or higher o03 The address is se...

Page 21: ...et ting is selected to either 2 or 3 When the door is opened the relay will cut in When the door is closed again there will be a time delay of two minutes before the light is switched off 4 As 2 but i...

Page 22: ...that a signal is received about the dew point value The value is measured by a system manager and sent to the controller via the data communication o85 Railh mode Dew point value where the rail heat i...

Page 23: ...ctual superheat reference u22 SH ref Read the valve s actual opening degree u23 AKV OD Read the evaporating pressure u25 Evap press Pe Read the evaporating temperature u26 Evap temp Te Read the temper...

Page 24: ...or S15 15 Refrigeration stopped due to open ON input or stopped regulation S16 16 Door is open DI input is open S17 17 Melt function in progress Refrigeration is interrupted S18 18 Modulating thermost...

Page 25: ...A14 Low temp S6 Temperature alarm Low S6 2 A15 DI1 alarm DI1 alarm 8 A16 DI2 alarm DI2 alarm 8 A45 Standby mode Standby position stopped refrigeration via r12 or DI input A59 Case clean Appliance cle...

Page 26: ...on to scan the rolling stack 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 again...

Page 27: ...arm limit high A13 8 C 6 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 0 100 0 Interval between defrost d03 6 h 6h 12h 8h 8h 6h Defrost sensor...

Page 28: ...m A04 1 1 1 1 1 1 1 1 1 1 0 min 240 min 60 Delay for temperature alarm after defrost A12 1 1 1 1 1 1 1 1 1 1 0 min 240 min 90 High alarm limit for thermostat 1 A13 1 1 1 1 1 1 1 1 1 1 50 C 50 C 8 Low...

Page 29: ...07 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...

Page 30: ...ulse signal 5 ext main switch 6 night operation 7 thermostat band changeover activate r21 8 Not used 9 Not used 10 Appliance cleaning pulse signal 11 forced cooling at hot gas defrost 12 night cover 1...

Page 31: ...ction line u64 1 Status on relay for compressor 2 u67 1 Temperature measured with S5B sensor u75 1 Temperature measured with S3B sensor u76 1 Status on relay for hot gas drain valve u80 1 Status on re...

Page 32: ...Display If there is be external reading operation of the controller display type EKA 163B or EKA 164B can be connected RS485 terminal 51 52 53 For data communication but only if a data communication...

Page 33: ...he hot gas valves must open DO5 Fan There is connection between terminal 15 and 16 when the fan is on DO6 Light relay There is connection between terminal 17 and 18 when the light must be on Rail heat...

Page 34: ...During operations 40 to 70 C During transport 20 80 Rh not condensed No shock influence vibrations Density IP 20 Mounting DIN rail or wall Weight 0 4 Kg Data communication Fixed MODBUS Extension optio...

Page 35: ...ernal display with plug for direct connection 084B8574 EKA 164B External display with operation buttons and plug for direct connections 084B8575 EKA 163A External display with screw terminals 084B8562...

Page 36: ...erves the right to alter its products without notice This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifi...

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