Danfoss AK-CC 550 - Alarm and Melt Function Parameters

16 Manual RS8EN502 © Danfoss 02-2010 AK-CC 550
Set point 2
Thethermostat’scutoutvaluewhenthethermostatband2isactivatedviaadigital
input.
r21 Cutout2 temp
Correction of signal from S6
Compensation possibility due to long sensor cable
r59 AdjustS6
Selection of thermostat sensor S4% during night operation with night blinds
Hereyoudenethesensorthethermostatistouseforitscontrolfunction.S3,S4,ora
combinationofthem.Withthesetting0%,onlyS3isused(Sin).With100%,onlyS4.
r61 Ther.S4%Ngt
Heat function
SetthesizeoftheNeutralZoneforchangeoverfromcoolingtoheating
r62 HeatNZ
Time delay on transition from refrigeration phase to heating phase.
(thereisnottimedelayontransitionfromheatingphasetorefrigerationphase).
r63 HeatStartDel
Nightsetbck
(startofnightsignal.0=Day,1=Night)
Forcedcool.
(startofforcedcooling)
Forcedclose
(Forcedstopofcooling)
Alarm Alarm settings
Thecontrollercangivealarmindierentsituations.Whenthereisanalarmallthe
light-emittingdiodes(LED)willashonthecontrollerfrontpanel,andthealarmrelay
will cut in.
Withdatacommunicationtheimpor-
tanceoftheindividualalarmscanbe
dened.Settingiscarriedoutinthe
“Alarmdestinations”menuviaAKM.
Alarm delay (shortalarmdelayonairtemperature)
Iftheupperortheloweralarmlimitvaluesareexceeded,atimerfunctionwillcom-
mence.Thealarmwillnotbecomeactiveuntilthesettimedelayhasbeenpassed.
The time delay is set in minutes.
A03 Alarm delay
Time delay for door alarm
The time delay is set in minutes.
Thefunctionisdenedino02,o37orino84.
A04 DoorOpendel
Time delay for cooling (longalarmdelay)
This time delay is used during start-up, during defrost, immediately after a defrost.
Therewillbechange-overtothenormaltimedelay(A03)whenthetemperaturehas
dropped below the set upper alarm limit.
The time delay is set in minutes.
A12 Pulldowndel
Upper alarm limit
Hereyousetwhenthealarmforhightemperatureistostart.Thelimitvalueissetin
°C(absolutevalue).
Thelimitvaluewillberaisedduringnightoperation.Thevalueisthesameastheone
setfornightsetback,butwillonlyberaisedifthevalueispositive.
A13 HighLimAir
Lower alarm limit
Hereyousetwhenthealarmforlowtemperatureistostart.Thelimitvalueissetin°C
(absolutevalue).
A14 LowLimAir
Upper alarm limit for thermostat 2 (Thermostat band 2)
(Samefunctionasforthermostat1)
A20 HighLim2Air
Lower alarm limit for thermostat 2 (Thermostat band 2)
(Samefunctionasforthermostat1)
A21 LowLim2Air
Upper alarm limit for S6 temperature at thermostat 1 A22 HighLim1S6
Lower alarm limit for S6 temperature at thermostat 1 A23 LowLim1S6
Upper alarm limit for S6 temperature at thermostat 2 (Thermostat band 2) A24 HighLim2S6
Lower alarm limit for S6 temperature at thermostat 2 (Thermostat band 2) A25 LowLim2S6
S6 temperature alarm delay
ThealarmisactivatedifoneoftherelevantalarmlimitsA22,A23,A24orA25is
exceeded. The time delay is set in minutes.
(Alarmswillnotactivatewhenthesettingissettothemaximumvalue.)
A26 Al.DelayS6
Delay of a DI1 alarm
Acut-out/cut-ininputwillresultinalarmwhenthetimedelayhasbeenpassed.The
functionisdenedino02.
A27 AI.DelayDI1
Delay of a DI2 alarm
Acut-out/cut-ininputwillresultinalarmwhenthetimedelayhasbeenpassed.The
functionisdenedino37
A28 AI.DelayDI2
Signal to the alarm thermostat
Hereyouhavetodenetheratiobetweenthesensorswhichthealarmthermostat
hastouse.S3,S4oracombinationofthetwo.
Withsetting0%onlyS3isused.With100%onlyS4isused
A36 AlarmS4%
Time delay on S6 (product sensor) for pull-down(longalarmdelay)
This time delay is used for start-up, during defrosting, immediately after a defrost and
after an appliance clean.
Achangeiscarriedouttostandardtimedelay(A26)whenthetemperaturehas
reached below the set upper alarm limit.
The time delay is set in minutes.
A52 PullDdel.S6
Reset alarm
Ctrl.Error(EKCerror)