Danfoss AKA 245 Specifications Page 1

Controller for appliance controlAK-CC 550 Manual

10 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550RefrigerationHeatNeutral zoneDigital inputsTherearetwodigitalinputsDI1andDI2withcontactf

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 11Data communicationThecontrollerhasxedbuilt-inMODBUSdatacommunication.Ifthereisarequire

12 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550ApplicationsHereisasurveyofthecontroller’seldofapplication.Asettingwilldenetherela

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 135 6 7 9 10 8 Thefollowinguseshavesomespecialfunctionswhich in brief are:Application 5

14 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Connection signsThecontrollerisprovidedwithsignsfromthefactoryindicatingapplication 1.If

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 15Survey of functionsFunction Para- meterParameter by operation via data communicationNormal display

16 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Set point 2 Thethermostat’scutoutvaluewhenthethermostatband2isactivatedviaadigitalin

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 17Compressor Compressor controlThecompressorrelayworksinconjunctionwiththethermostat.Whent

18 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Drip-off timeHereyousetthetimethatistoelapsefromadefrostanduntilthecompressoristo

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 19AKV valve’s time period in secondsShouldonlybesettoalowervalueifitisadecentralisedpla

2 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550IntroductionApplicationComplete refrigeration appliance control with great flexibility to adapt to a

20 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Miscellaneous MiscellaneousDelay of output signal after start-upAfterstart-uporapowerfailure

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 21Digital input signal - D2The controller has a digital input 2 which can be used for one of the fol

22 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Digital input signal - DI3 (high voltage input) Thecontrollerhasadigitalinput3whichcanbe

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 23Service ServiceTemperature measured with S5 sensor u09 S5 temp.StatusonDI1input.on/1=closed u1

24 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550*)EmergencycoolingwilltakeeectwhenthereislackofsignalfromadenedS3orS4sensor.T

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 25Fault messageInanerrorsituationtheLED’sonthefrontwillashandthealarmrelaywillbeac

26 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Light-emitting diodes (LED) on front panelTheLED’sonthefrontpanelwilllightupwhentherele

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 27Case RoomDefrost stop on timeDefrost stop on S5Defrost stop on timeDefrost stop on S5Preset setti

28 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Menu surveySW=1.5xParameter EL-diagram page 12 or 13Min.-value Max.-valueFactory settingActual s

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 29Pumpdowndelayd16 1 1 1 1 1 1 1 1 1 1 0 min. 60min. 0Draindelay(usedathotgasdefrostonly)

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 3ApplicationsHereisanoverviewofthecontroller’susageoptions.Asettingwillcongureinputand

30 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Continued Code 1 2 3 4 5 6 7 8 9 10 Min. Max. Fac. ActualRefrigerant setting:1=R12.2=R22.3

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 31ServiceTemperature measured with S5 sensoru09 1 1 1 1 1 1 1 1 1 1StatusonDI1input.on/1=closedu

32 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550DI1Digital input signal. Thedenedfunctionisactivewhentheinputisshort-circuited/opened.

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 33Coordinateddefrostviadata communicationCoordinateddefrostviacable connectionsThe following c

34 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550DataSupplyvoltage 230Va.c.+10/-15%.5VA,50/60HzSensorS2,(S1) Pt1000SensorS3,S4,S5,

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 35OrderingType Function Code no.AK-CC 550CasecontrollerwithMODBUSdatacommunicationSensor connec

36 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550FC-SPMCDanfosscanacceptnoresponsibilityforpossibleerrorsincatalogues,brochuresandother

4 Manual RS8EN502 © Danfoss 02-2010 AK-CC550OperationLiquid injection Liquidinjectionintheevaporatoriscontrolledbyanelectronicinjecti

AK-CC 550 Manual RS8EN502 © Danfoss 02-2010 5Thermostat bandsThermostatbandscanbeusedbeneciallyforapplianceswheredierentproducttype

6 Manual RS8EN502 © Danfoss 02-2010 AK-CC550HotgasapplicationDefrostDepending on the application you may choose between the fol-lowing defros

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 7Coordinated defrostThere are two ways in which coordinated defrost can be arranged. Eitherwithwir

8 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550Control of two compressorsThetwocompressorsmustbeofthesamesize.Whenthecontrol-lerdemand

AK-CC550 Manual RS8EN502 © Danfoss 02-2010 9FanPulse controlToobtainenergysavingsitispossibletopulsecontrolthepowersupplytothefa