Danfoss AK-CC 450 User Manual Download

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Controller for appliance control

AK-CC 450

User Guide

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Summary of Contents for AK-CC 450

Page 1: ...Controller for appliance control AK CC 450 User Guide...

Page 2: ...appliance The temperature of the evaporator is registered with the S5 sensor which can be used as a defrosting sensor In addition to the output for the solenoid valve the controller has 5 relay output...

Page 3: ...o refrigeration sections There are two defrost sensors one for each evaporator Application 6 Here the temperature and alarm monitoring are always controlled using the S4 sensor The two S3 temperatures...

Page 4: ...it can only be used in DX central plant or brine system In principle regulation in this system is the same as described above but is now performed with a PI function This results in reduced fluctuati...

Page 5: ...the appliance can also be used and which can register and monitor the temperature in the warmest part of the appliance There are separate alarm limits and time delays for the product sensor Appliance...

Page 6: ...he PMLX GPLX valve is closed completely before the hotgas is turned on Drip tray heating element It is possible to control a heating element in the drip tray for hot gas defrosting When defrosting is...

Page 7: ...a message to the system unit and then goes into a waiting position When every controller in the group is in a waiting position refrigeration is again permitted in all the individual controllers Defros...

Page 8: ...eration Here compressor 1 will start as the first one and when needed compressor 2 will be started Determined by thermostat band The compressor operating mode can be set in application 9 so that both...

Page 9: ...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 connected t...

Page 10: ...defined for two different applications Alarm monitoring The controller monitors the door contact and delivers an alarm message if the door has been opened for a longer period than the set alarm delay...

Page 11: ...connected to the built in MODBUS the display can advantageously be changed to a type with screw terminals I e the type EKA 163A or EKA 164A If connection of two displays is required one must be conne...

Page 12: ...ration appliances or cold storage rooms In general all have outputs for Solenoid valve or compressor Fan Defrost Light In addition they have different uses and thereby input and outputs Application 1...

Page 13: ...nd two refrigeration sections The temperature is always controlled according to the S4 temperature There are two S3 sensors Alarm monitoring and display readings take place individually via the S3 sen...

Page 14: ...tory indicating application 1 If you employ another use labels are provided so that you can mount the relevant one For application 2 to 5 and 9 it is only the lower label that needs to be mounted For...

Page 15: ...in C or in F r05 Temp unit C 0 F 1 Only C on AKM whatever the setting Correction of signal from S4 Compensation possibility due to long sensor cable r09 Adjust S4 Correction of signal from S3 Compensa...

Page 16: ...des LED will flash on the controller front panel and the alarm relay will cut in With data communication the impor tance of the individual alarms can be defined Setting is carried out in the Alarm des...

Page 17: ...hen defrosts start Min ON time in minutes c01 Min On time Min OFF time in minutes c02 Min Off time Time delay for couplings of two compressors Settings indicate the time that has to elapse from the fi...

Page 18: ...only relevant if you have chosen defrost with interval start d03 The function delays the interval time d03 by the set number of minutes but it only does it once and this at the very first defrost tak...

Page 19: ...Tn sec Fan Fan control Fan stop temperature The function stops the fans in an error situation so that they will not provide power to the appliance If the defrost sensor registers a higher temperature...

Page 20: ...input is closed 12 Night blinds Pulse signal activates the night blinds 13 14 Not used 15 Case Shutdown when input is closed o02 DI 1 Config Definition takes place with the numerical value shown to t...

Page 21: ...en the door is closed again there will be a time delay of two minutes before the light is switched off 4 As 2 but if there are any 15 minute network errors the light will switch on and the night blind...

Page 22: ...on This function requires 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 v...

Page 23: ...mperature Weighted S3 S4 u56 Display air Measured temperature for alarm thermostat u57 Alarm air Status on relay for cooling u58 Comp1 LLSV Status on relay for fan u59 Fan relay Status on relay for de...

Page 24: ...s operating it must run for at least x minutes S2 2 When the compressor is stopped it must remain stopped for at least x minutes S3 3 The evaporator drips off and waits for the time to run out S4 4 Re...

Page 25: ...frost 16 A13 High temp S6 Temperature alarm High S6 1 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 refrigera...

Page 26: ...found in a rolling stack Push the uppermost or lowermost button 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 bu...

Page 27: ...thermostat S4 r15 100 0 Alarm 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 1...

Page 28: ...1 0 100 100 Heat function Neutral zone between refrigeration and heat function r62 1 0 K 50 K 2 Time delay at switch between refrigeration and heat function r63 1 1 0 min 240 min 0 Differential for th...

Page 29: ...at PWM n63 1 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 1 0 100 100 Min opening degree at PWM n65 1 1 1 1 1 1 1 1 1 0 90 0 Expert setting Windup at PWM n66 1 1 1...

Page 30: ...election of EL diagram See overview page 12 and 13 o61 1 1 1 1 1 1 1 1 1 1 8 1 Download a set of predetermined settings See overview page 27 o62 1 1 1 1 1 1 1 1 1 0 6 0 Access code 2 partial access o6...

Page 31: ...u18 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 1 Status on DI2 output on 1 closed u37 1 1 1 1 1 1 1 1 1 Air temperature Weighted S3 S4 u56 1 1 1 1 1...

Page 32: ...gateway must be version 6 20 or higher RJ45 For data communication but only if a TCP IP module is inserted in the controller OEM MODBUS For data communication Terminal 56 screen Terminal 57 A Terminal...

Page 33: ...ight must be on DI3 Digital input signal The signal must have a voltage of 0 230 V AC The function is defined in o84 Data communication If data communication is used it is important that the installat...

Page 34: ...Leak 1 mA Max 1 pcs coil Relays CE 250 V a c DO3 DO4 4 3 A DO2 DO5 DO6 4 3 A Environments 0 to 55 C During operations 40 to 70 C During transport 20 80 Rh not condensed No shock influence vibrations...

Page 35: ...B8591 EKA 163B External 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...

Page 36: ...This also applies to products already on order provided that such alternations can be made without subsequential changes being necessary in specifications already agreed All trademarks in this materi...

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