Danfoss AK-CC 550 User Manual

20 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550
Miscellaneous Miscellaneous
Delay of output signal after start-up
Afterstart-uporapowerfailurethecontroller’sfunctionscanbedelayedsothatover-
loadingoftheelectricitysupplynetworkisavoided.
Hereyoucansetthetimedelay.
o01 DelayOfOutp.
Digital input signal - DI1
The controller has a digital input 1 which can be used for one of the following func-
tions:
O:Theinputisnotused
1)Statusdisplayofacontactfunction
2)Doorfunction.Whentheinputisopenitsignalsthatthedoorisopen.Therefrig-
erationandthefansarestoppedandlightswitchedon.Whenthetimesettingin
“A04”ispassed,analarmwillbegivenandrefrigerationwillberesumed(o89).
3)Dooralarm.Whentheinputisopenitsignalsthatthedoorisopen.Whenthetime
settingin“A04”ispassed,therewillbealarm.
4)Defrost.Thefunctionisstartedwithapulsesignal.The controller will register when
theDIinputisactivated.Thecontrollerwillthenstartadefrostcycle.
5)Mainswitch.Regulation is carried out when the input is short-circuited, and regula-
tionisstoppedwhentheinputisputinpos.OFF.
6)Nightoperation.Whentheinputisshort-circuited,therewillberegulationfor
night operation.
7)Thermostatbandchangeover.Switchtothermostat2(r21).
8)Separatealarmfunction.Alarmwillbegivenwhentheinputisshort-circuited.
9)Separatealarmfunction.Alarmwillbegivenwhentheinputisopened.(For8and
9thetimedelayissetinA27)
10)Casecleaning.Thefunctionisstartedwithapulsesignal.Seealsodescriptionon
page 5.
11)Forcedrefrigerationathotgasdefrostwhentheinputisshort-circuited.
12)Nightcover
o02 DI1Cong.
Denitiontakesplacewiththenu-
mericalvalueshowntotheleft.
(0=o)
DIstate
(Measurement)
TheDIinput’spresentstatusisshown
here.ONorOFF.
Ifthecontrollerisbuiltintoanetworkwithdatacommunication,itmusthavean
address, and the mastergatewayofthedatacommunicationmustthenknowthis
address.
The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senttothegatewaywhenthemenuissetinpos.ON
IMPORTANT:Beforeyouseto04,youMUSTseto61.Otherwiseyouwillbetransmit-
ting incorrect data.
(ThefunctionisnotusedwhenthedatacommunicationisMODBUS)
o04
Access code 1 (Access to all settings)
Ifthesettingsinthecontrolleraretobeprotectedwithanaccesscodeyoucanseta
numericalvaluebetween0and100.Ifnot,youcancancelthefunctionwithsetting0.
(99willalwaysgiveyouaccess).
o05 Acc. code
Sensor type for S3, S4, S5, S6
NormallyaPt1000sensorwithgreatsignalaccuracyisused.Butyoucanalsousea
sensorwithanothersignalaccuracy.ThatmayeitherbeaPTCsensor(1000ohmat
25°C)
AllthemountedsensorsS3-S6mustbeofthesametype.
o06 SensorCong
Pt=0
PTC=1
Max. standby time after coordinated defrost
Whenacontrollerhascompletedadefrostitwillwaitforasignalwhichtellsthatthe
refrigerationmayberesumed.Ifthissignalfailstoappearforonereasonoranother,
the controller will itself start the refrigeration when this standby time has elapsed.
o16 MaxHoldTime
Select signal for the display S4%
Hereyoudenethesignaltobeshownbythedisplay.
S3,S4,oracombinationofthetwo.
Withsetting0%onlyS3isused.With100%onlyS4.
o17 Disp.S4%
Pe.Workingrangeforpressuretransmitter-min.value
o20 MinTransPres
Pe.Workingrangeforpressuretransmitter-max.value
o21 MaxTransPres
Refrigerant setting (onlyif"r12"=0)
Beforerefrigerationisstarted,therefrigerantmustbedened.Youmaychoosebe-
tween the following refrigerants
1=R12.2=R22.3=R134a.4=R502.5=R717.6=R13.7=R13b1.8=R23.9=R500.
10=R503.11=R114.12=R142b.13=Userdened.14=R32.15=R227.16=R401A.
17=R507.18=R402A.19=R404A.20=R407C.21=R407A.22=R407B.23=R410A.
24=R170.25=R290.26=R600.27=R600a.28=R744.29=R1270.30=R417A.
31=R422A
Warning: Wrong selection of refrigerant may cause damage to the compressor.
Otherrefrigerants:HereSetting13isselectedandthenthreefactors-Ref.Faca1,a2
anda3-viaAKMmustbeset.
o30 Refrigerant

Danfoss AK-CC 550 Specifications

General

Brand	Danfoss
Model	AK-CC 550
Category	Controller
Language	English