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Danfoss AK-CC 460 User Manual
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Danfoss AK-CC 460 User Manual

Controller for semiplugin appliance
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User Guide
Controller for SemiPlugin appliance
AK-CC 460
www.danfoss.com

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Summary of Contents for Danfoss AK-CC 460

  • Page 1 User Guide Controller for SemiPlugin appliance AK-CC 460 www.danfoss.com...

  • Page 2: Table Of Contents

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Contents Introduction ......................2 Menu survey ...................... 22 Applications ......................3 Connections ...................... 26 Survey of functions ..................10 Data ........................28 Operation ......................21 Ordering ......................29 Introduction Application Complete refrigeration appliance control for SemiPlugin refrigeration appliances.

  • Page 3: Applications

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Applications The controller supports the following 3 control modes: - Sequential On/Off control of 2 compressors. Output 1 will form the base load, and output 2 will connect a lower capacity so that the variation of the cabinet temperature is kept to a minimum.
  • Page 4 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Temperature control The temperature in the appliance is registered by one or two temperature sensors which are located in the air flow before the evaporator (S3) or after the evaporator (S4) respectively. A setting...
  • Page 5 User Guide | Controller for SemiPlugin appliance, AK-CC 460 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 via a signal – as a rule via a key switch placed on the appliance.
  • Page 6 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Coordinated defrost Max. 10 There are two ways in which coordinated defrost can be arranged. Either with wire connections between the controllers or via data communication Wire connections The digital input DI2 is connected between the current controllers.
  • Page 7 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Railheat It is possible to pulse-control the power to the rail heat in order to save energy. Pulse control can either be controlled according to day/night load or dew point. Pulse control according to day and night Various ON periods can be set for day and night operation.
  • Page 8 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Light function Digital inputs The function can be used for controlling the light in a refrigeration There are two digital inputs DI1 and DI2 with contact function and one digital input DI3 with high voltage signal.
  • Page 9 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Data communication The controller has fixed built-in MODBUS data communication. If there is a requirement for a different form of data communication, a Lon RS 485 or DANBUSS module can be inserted in the controller.

  • Page 10: Survey Of Functions

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Survey of functions Function Para- Parameter by operation via data meter communication Normal display Normally the temperature value from one of the two thermostat sensors S3 or S4 or a Display air (u56) mixture of the two measurements is displayed.
  • Page 11 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Melt period Melt period Here you set how long an on-going melt function is to last. Set point 2 Cutout2 temp The thermostat’s cutout value when the thermostat band 2 is activated via a digital input.
  • Page 12 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Time delay on S6 (product sensor) for pull-down (long alarm delay) PullD del.S6 This time delay is used for start-up, during defrosting, immediately after a defrost and after an appliance clean.
  • Page 13 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Defrost Defrost control The controller contains a timer function that is zeroset after each defrost start. The timer function will start a defrost if/when the interval time is passed. The timer function starts when voltage is connected to the controller, but it is displaced the first time by the setting in d05.
  • Page 14 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Defrost sensor DefStopSens. Here you define the defrost sensor. 0: None, defrost is based on time 1: S5 2: S4 3: S5 + S6 Pumpdown delay Pump dwn del. Set the time where the evaporator is emptied of refrigerant prior to the defrost.
  • Page 15 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Clock: Hour setting Clock: Minute setting Clock: Date setting Clock: Month setting Clock: Year setting Miscellaneous Miscellaneous Delay of output signal at start-up DelayOfOutp. When start-up after a power failure the controller’s functions can be delayed so that over- loading of the electricity supply network is avoided.
  • Page 16 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Digital input signal - D2 DI2 config. The controller has a digital input 2 which can be used for one of the following functions: Off: The input is not used. 1) Status display of a contact function 2) Door function.
  • Page 17 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Rail heat control Railh. mode The rail heat can be controlled in several ways: 0: The function is not used 1: Pulse control is used with a timer function following the day/night operation (o41 and o42) 2: Pulse control is used with a dew point function.
  • Page 18 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Status on relay for cooling Comp1/LLSV Status on relay for fan Fan relay Status on relay for defrost Def. relay Status on relay for railheat Railh. relay Status on relay for alarm...
  • Page 19 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Operating status (Measurement) The controller goes through some regulating situations where it is just waiting for the next Ctrl. state: point of the regulation. To make these “why is nothing happening” situations visible, you (Shown in all menu displays) can see an operating status on the display.
  • Page 20 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Fault message In an error situation the LED’s on the front will flash and the alarm relay will be activated. If you push the top button in this situation you can see the alarm report in the display.

  • Page 21: Operation

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Operation Controller/Display Get a good start The values will be shown with three digits, and with a setting you can determine whether the temperature is to be shown in °C or in With the following procedure you can start regulation very quickly: °F.

  • Page 22: Menu Survey

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Menu survey SW = 1.2x Parameter Wiring diagram Min. Max. Factory Actual Function Code 1 & 3 value value setting setting Normal operation Temperature (setpoint) - - - -50 °C 50 °C...
  • Page 23 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Continued code Min. Max. Fac. Actual Wiring diagram Comp. on time when sensor fault 0 min 240 min Comp. off time when sensor fault 0 min 240 min Emergency speed for compressor if sensor error...
  • Page 24 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Continued code Min. Max. Fac. Actual Wiring diagram Select signal for display view. S4% (100%=S4, 0%=S3) 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.
  • Page 25 User Guide | Controller for SemiPlugin appliance, AK-CC 460 Service Temperature measured with S5 sensor Status on DI1 input. on/1=closed Actual defrost time (minutes) Temperature measured with S3 sensor Status on night operation (on or off ) 1=on Temperature measured with S4 sensor...

  • Page 26: Connections

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Connections Application DO7 DI1 DI2 DI3 AI1 AI2 AI3 AI4 AI5 AI6 AO • • • 1 and 3 • • • S6 0-10V Appplication 1 and 3 DI1 DI2 DO3 DO4 DO5 DO6 DO7 In application1, the compressors are controlled sequentially.
  • Page 27 Danfoss wil not be responsible for any goods, or plant compo- nents, damaged as a result of the above defects. It is the installer's responsibility to check the installation thoroughly, and to fit the There is connection between terminal 15 and 16 when the fan necessary safety devices.

  • Page 28: Data

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Data Supply voltage 230 V AC +10/-15 %. 5 VA, 50/60 Hz S3, S4, S5, S6, S7 Sensors Pt 1000 ohm Measuring range -60 – 120 °C ±1 K below -35 °C Controller ±0.5 K between -35 –...

  • Page 29: Ordering

    User Guide | Controller for SemiPlugin appliance, AK-CC 460 Ordering Type Function Code no. Case controller with MODBUS data communication AK-CC 460 084B8016 Data communication module 084B8579 EKA 175 LON RS 485 EKA 178B Data communication module MODBUS 084B8571 EKA 176...
  • Page 30 © Danfoss | DCS (vt) | 2019.12 BC230086440483en-000201 | 30...