Danfoss ADAP-KOOL AK-PC 572 User Manual Download

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Capacity controller for CO2

mini pack

AK-PC 572

User Guide

ADAP-KOOL® Refrigeration Control System

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Summary of Contents for ADAP-KOOL AK-PC 572

Page 1: ...Capacity controller for CO2 mini pack AK PC 572 User Guide ADAP KOOL Refrigeration Control System...

Page 2: ...t available This could for example be used as an alarm input If the compressor used is not a Bitzer CRII a solid state output can be used for oil management If heat recovery is not used the AUX3 funct...

Page 3: ...point Based on the configured reference the controller will permit an offset of up to 8K depending on the other control parameters For example Night time increase Fixed 5 K on the MT circuit only Po o...

Page 4: ...in the transcritical area Reference It is controlled using variable references An outdoor temperature sensor Sc3 must be installed The sensor must be positioned so that it registers the correct out d...

Page 5: ...overy has been reached and the DI signal disappears the reference will drop once again though it will do so over the course of a few minutes to prevent abrupt changes in the reference A potential rela...

Page 6: ...UX2 DI It can then be used as an alarm input AUX2 DO The potential relay output can be freely used for liquid injection DE SH or hot gas dumping AUX3 DI This function shares an input with the heat rec...

Page 7: ...et capacity in night operation e g 25 but with a minimum of one step In the event of a Pgc error the fan capacity that corresponds to how much compressor capacity is connected will cut in Compressor r...

Page 8: ...will depend on how the set up is made They will illustrate what is regulated Click on the Right Arrow to view e g the following images When an alarm is sent from the con troller you must advance to t...

Page 9: ...ined on the pages that follow Start screen upon delivery Set up overview There are 2 ways in which the controller can be set up Select the one that is easiest for you either Wizard or a review of all...

Page 10: ...read as a of total capacity No of running comp The number of compressors in operation can be read here MC PoMT offset The size of a reference displacement on PoMT required from the system unit suction...

Page 11: ...under Compressor mode Min 1 m3h Max 20 m3h Fac 1 m3h Comp 2 size Set the nominal compressor capacity for compressor 2 Min 1 m3h Max 20 m3h Fac 1 m3h Comp 3 size Set the nominal compressor capacity fo...

Page 12: ...lation Yes Regulating is carried out without this compressor and no alarms are generated by it Yes No Fac No Comp 2 The same function for the remaining compressors Suction LT Suction group LT Please s...

Page 13: ...e should be started with a signal on a DI input here No No function DI only A DI input is reserved When a signal is registered the heat recovery function refer ence will become active DI and DO Choose...

Page 14: ...you can override the hot gas valve Only if hot gas dump is defined in the AUX section Auto Man on Man off Oil Control Limitation It is only possible to use oil management if the solid state outputs DO...

Page 15: ...be used for an optional function You can choose between the functions Fan error or Alarm D demand DI AUX2 If level signals are not desired for oil management the DI on the high pressure module input w...

Page 16: ...clock Date and time Used by weekly plan and alarm function Year month date Hours minutes Network Network Modbus Address Set the address of the controller here if it is connected to a system device vi...

Page 17: ...e MT circuit Once a signal is received the circuit will cut out 6 Signal from the high pressure switch in the LT circuit Once a signal is received the circuit will cut out 7 Signal from compressor 1 i...

Page 18: ...tch to Auto when the override is to be completed Auto Man 0 100 Expansion modules Manual control of a connection in the HP module and receiver module During normal regulation the function of the outpu...

Page 19: ...imit for SdMT discharge temperature has been exceeded 10K below safety limit High disch temp SdMT Critical Comp 1MT High disch temp Safety limit for discharge gas temperature has been exceeded Compres...

Page 20: ...rsion must be 1 13 or newer Once the display s software version has been checked check the display s settings as follows 1 Hold the Enter key and the X key down for 5 seconds until the Bios menu appea...

Page 21: ...e HP module 97 for the receiver module The addresses will only be used internally between the three modules If anything has gone wrong the two valve modules will have acti vated the function EXD reset...

Page 22: ...cation and display must be kept separate from high voltage 230 V electric cables Use separate cable trays Keep a distance between high voltage and signal cables of at least 10 cm Cables longer than 3...

Page 23: ...10 volts from terminals Com AO1 N AO3 and N AO4 PAY ATTENTION TO THE POLARITY of N AO3 and AO4 are galvanically isolated AO1 is not AI Analog inputs Pressure transmitters 4 pcs AI1 AI4 Temperature sen...

Page 24: ...rnal display If an external display is connected it must be connected to the controller using a wire with a plug See order Communication will take place via Canbus The Canbus termination must be moved...

Page 25: ...rting As a result the evaporators will not be filled with fluid that can be led to a compressor when the regulation process restarts This function can be achieved through data communication Alternativ...

Page 26: ...mm2 multi core Approvals EU Low Voltage Directive and EMC demands re CE marking complied with LVD tested acc EN 60730 1 and EN 60730 2 9 EMC tested acc EN61000 6 2 and 3 UL approval Data Pressure tra...

Page 27: ...G0320 EXD 316 Valve driver Operation from AK PC 572 24 V 084B8042 MMIGRS2 Display unit With buttons and display 080G0294 Wire for display unit L 1 5 m 1 pcs 080G0075 L 3 m 1 pcs 080G0076 List of liter...

Page 28: ...forbeholder sig ret til uden forudg ende varsel at foretage ndringer i sine produkter herunder i produkter som allerede er i ordre s fremt dette kan ske uden at ndre allerede aftalte specifikationer...

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