Danfoss AK-CC 550 - DI3 Input and Rail Heat Configuration

22 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550
Digital input signal - DI3 (high voltage input)
Thecontrollerhasadigitalinput3whichcanbeusedforoneofthefollowingfunc-
tions:
O:Theinputisnotused.
1)Statusdisplayof230Vsignal
2)Doorfunction.Whentheinputis0Vitsignalsthatthedoorisopen.Therefrigera-
tionandthefansarestopped.Whenthetimesettingin“A04”ispassed,analarm
willbegivenandrefrigerationresumed.(o89)
3)Dooralarm.Whentheinputis0Vitsignalsthatthedoorisopen.Whenthetime
settingin“A04”ispassedanalarmwillbegiven.
4)Defrost.Thefunctionisstartedwithapulsesignal.(pulson230V)
5)Mainswitch.Regulationiscarriedoutwhentheinputis230V,andregulationis
stopped when the input is 0 V.
6)Nightoperation.Whentheinputis230V,therewillberegulationfornightopera-
tion.
7)Thermostatbandchangeover.Switchtothermostat2(r21)
8)Notused.
9)Notused.
10)Casecleaning.Thefunctionisstartedwithapulsesignal(pulseon230V).Seealso
description on page 5.
11)Forcedrefrigerationathotgasdefrostwhentheinputis230V.
12)Nightcover
13)Notused
14)Coolingstoppedwiththefunction"Forcedclosing"
o84 DI3cong.
Rail heat control
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.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 value where the rail heat is minimum
This function is discussed earlier in the manual.
o86 DewPMinlim
Dew point value where the rail heat is maximum
This function is discussed earlier in the manual.
o87 DewPMaxlim
Lowest permitted rail heat effect
Herethe%partoftheeecttobeachievedwhenthedewpointvalueisminimum.
o88 RailMinON%
Start of refrigeration when door is open
Ifthedoorhasbeenleftopen,refrigerationmustbestartedafterasettime.Thattime
can be set here.
o89 DoorInjStart
Fan for "Forced Closing"
Youcansetwhetherfansshouldbeoperationalorstoppedifthefunction"Forced
closing"isactivatedhere.
On"Noor0"thefansarestopped.
On"Yesor1"theywillbeoperational.
o90 FanForcedCl
Alternative display
A reading can be displayed by pressing the lower button on the controller. This read-
ing is set from the factory so that the defrosting stop temperature is displayed.
Adierentsettingwillgivethefollowingreading:
1:(Defroststoptemperature=factorysetting)
2:S6temperature
3:S5Btemperature(Application9only)
o92 Displ menu 2
Display of temperature during normal operation
1:Airtemperature.WeightedS3+S4
2:ProducttemperatureS6
o97 Disp. Ctrl.
Light and night blinds definition
0:Lightisswitchedoandnightblindsareopenwhenthemainswitchiso
1:Lightandnightblindsareindependentofmainswitch.
o98 LightMS=O
Configuration of the alarm relay
Thealarmrelaywillbeactivateduponanalarmsignalfromthefollowinggroups:
1-Hightemperaturealarms
2-Lowtemperaturealarms
4-Sensorerror
8-Digitalinputisactivatedforalarm
16-Defrostalarms
32-Miscellaneous
64-Injectionalarms
Thegroupsthataretoactivatethealarmrelaymustbesetbyusinganumericalvalue
whichisthesumofthegroupsthatmustbeactivated.
(E.g.avalueof5willactivateallhightemperaturealarmsandallsensorerrors)
P41 Al.Rel. Conf.