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RCK-862

plus

RCK-862PL

V01-01T

-18387

Suction

Control

Discharge

Control

Recipe

System

Progressive

Algorithm

Floating

Condensation

Hour meter

Supervisory

System

OLED

Graphic

Display

Alarms

!

USB

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2
3
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Summary of Contents for RCK-862 plus

Page 1: ...RCK 862 plus RCK 862PLV01 01T 18387 Suction Control Discharge Control Recipe System Progressive Algorithm Floating Condensation Hour meter Supervisory System OLED Graphic Display Alarms USB...

Page 2: ...APACITYCOMPRESSORS VCC 21 14 3 1VCC ANALOG 21 14 3 2VCC DIGITAL 21 14 4 CONTROLMODES 22 14 4 1 LINEARMODE 22 14 4 1 1LINEARMODELINKEDONLYWITHDIGITALOUTPUTS COMPRESSORSON OFF UNLOADERS 22 14 4 1 2LINEA...

Page 3: ...CONTROLSTATUS 36 17 ALARMS 37 17 1ALARMVIEW 37 17 2AUTOMATIC RESETS 38 17 3OUTPUTSIGNALING 38 17 4ALARM TABLES 39 17 4 1SYSTEMALARMS 39 17 4 2 SUCTIONALARMS 39 17 4 3 DISCHARGEALARM 40 17 4 4 INDIVID...

Page 4: ...er ofinputsandoutputsinlargesystems The RCK 862 plus has advanced control logic to optimize thermal performance and reduce the energy consumption of the cooling system The proportional integral contro...

Page 5: ...isintervalisbelowthesetpoint VCC Digital Compressorwhosecapacityismodulatedthroughtheactuationofdigitaloutputs SSRs tocontrolunloadersvalves Decompression Pressurecontrolwherethehysteresisintervalisab...

Page 6: ...um consumption 24Vac 50 60Hz or 24Vdc 10 Operating humidity Type action Voltage output for pressure sensors Analog outputs Analog inputs Digital inputs Control pressure Pollution degree Pressure resol...

Page 7: ...interface as shown and fit the top part 7 INSTALLING THE RCK 862 plus To remove the controller from the DIN rail use a wrench compatible with the size of the lock to make alever 3 21 1 80 110 mm 4 33...

Page 8: ...ectors use a Philips 1 or flat 3 0mm Screwdriver Do not exceedthemaximumtorqueof5 0Nm Type 2 connector For type 2 connectors 3 5mm use a Philips 0 or flat 2 4mm Screwdriver Do not exceedthemaximumtorq...

Page 9: ...ey Increasesvaluesandnavigates up inMenus DECREASEkey Decreasesvaluesandnavigates down intheMenus BACKkey Returnstothepreviousscreenwithoutconfirmingaparameterchange ALARMkey Accessthedisplayofactivea...

Page 10: ...Status de controle Rearme 1 Main menu 1 Configura es de fun es 2 Configuracoes do sistema 3 Configura o de comunica o 1 1 Settings 1 Groups 2 Suction 3 Discharge The BACK key is used to return to the...

Page 11: ...n 2 20 0 psi On 3 30 0 psi On Discharge 1 310 0 psi Al M Gr1 DD MM HH MM SS 1 2 3 4 5 7 8 6 1 2 3 4 5 6 7 8 Auxiliaryindications M Atleast1compressororfaninmaintenance Eco Whentheeconomysetpointisacti...

Page 12: ...ting 5 0 C Req 100 Out 100 Suc1 Suc1 On Eco Pd M Eco Activeeconomysetpoint Pd In the process of Pump Down M Atleast1compressorinmaintenance Indication of active alarm Out Percentage of power referring...

Page 13: ...more information see section 18 Main cc cc Menu Function1 1 3 ddd Setpoint 300 0 psi Pres 330 0 psi Temp 50 0 C Subcooling 5 0 C T Ext 38 0 34 0 C Req 100 Out 100 Dis1 On Eco Pd M Req Percentage of po...

Page 14: ...sSS 1 2 3 4 For fans with modulation the SS symbol represents the status of the Start Stop output When this output is activated it is represented with awhitebackground This value represents the percen...

Page 15: ...d indicate that the respective output is active In this example output 1 and 2 are off and outputs 3 4 5 and6areon 12 SUMMARY SCREEN 12 5 Invidualpressureswitches Theindividualpressureswitchscreensare...

Page 16: ...status Defrost output status Operationmode A heating R refrigeration Controltemperaturevalue Temperaturesetpoint 12 SUMMARY SCREEN 12 6 Individualthermostats Theindividualthermostatscreensareaccessedf...

Page 17: ...theselecteditem 1 2 Indicatesthestatusorvalueoftheinput Indicates which equipment and item are being viewed 12 7 Inputsandoutputs The input and output menu allows you to view the status of all inputs...

Page 18: ...nthermostats ThermostatinformationisaccessedfromtheControlMenu Totogglebetweentheavailablecompressorsjustnavigateusingthekeys and 12 9 Rotationoutputs Itallowsviewingthestatusoftheoutputsofthesetsofro...

Page 19: ...ndicating the sensor reading value the statusofthedigitalinputsandcontroloutputs Maintenance Compressors or fans are viewed and selected to enter maintenance mode When the equipment is in the maintena...

Page 20: ...50 I 75 I 100 Modulation ON OFF 25 I 50 I 75 I 100 Modulation ON OFF 25 I 50 I 75 I 100 Modulation ON OFF 25 I 50 I 75 I 100 Modulation ON OFF 33 I 66 I 100 Modulation ON OFF 50 I 75 I 100 Modulation...

Page 21: ...or actuates one of its modulation valves increasing the flow of refrigerant in the compressor for the same time configured in 1 2 x 72 Acompressorstarttimecanbeconfigured accordingto Note Re balanceas...

Page 22: ...ters1 2 x 34 and1 2 x 35 The digital outputs are linked with the compressors in the Main Menu 1 Function settings 1 2 Suction cc c The RCK 862 plus defines the actuation and shutdown points according...

Page 23: ...compressor is the first to be actuated and the last to be shutdown There is a validation time 1 1 x 68 for starting or stopping compressors or unloaders valves when the compressor reaches its upper o...

Page 24: ...actuated by PWM solenoid valves The control uses the parameters of the setpointvalueandthehysteresisoftheVCCcompressor Example Compressorwithmodulationin2valveswith50 capacityeach 1 2 x 1 Controlmode...

Page 25: ...e values for the activation of compressors 1 2 and 3 should be respectively 34 0 38 0 and 42 0psi Considering the effect of the dead zone no compressor should be activated until the pressure exceeds 4...

Page 26: ...ompressor 1 is configured as VCC it is the first to be activated and the last to be shut off ProgressiveAlgorithmModeusessetpointandasinglehysteresis APcontrolmodehysteresis Applicationexample 1 2 x 1...

Page 27: ...eofintegralactiontogetherwithproportionalcontrolhastheobjectiveofkeepingthecontrolpressurestable convergingtovalues closetothesetpoint Applicationexample The integral action can be used in all control...

Page 28: ...ueofthe N OutputActuation Setpoint NxStep ShutdownPressurevalueoftheoutput N Actuation Setpoint N 1xStep Inthiscase eachfanisassociatedwithadigitaloutputandthestepisdefinedas60 6 10psi Stepforactivati...

Page 29: ...n be viewed in the control menu in the Hour meter option In this same menu it is possible to reset one selectthecompressorandpress orall hold for2seconds timerecords ddd ddd As a fan with Inverter mod...

Page 30: ...tputs Toactivatetheintegralaction simplyset avalueotherthanOffoutputs Toactivatetheintegralaction simplysetavalueotherthanOffintheparameterIntegraltime 1 3 x 39 Thehighertheconfiguredvalue thesloweran...

Page 31: ...d off In this casem a normally closed solenoid valve can be used to control the passage of the refrigerant To configure Pump Dow access menu 1 7 1 The allows shutdown with Pump Down to be done manuall...

Page 32: ...1 6 x 1 Pressureswitch Suction1 1 6 x 2 Inputfunction ActivatesPumpDown 1 6 x 4 Digitalinputaddress I2 IndividualThermostat 1 7 6 x 1 Operatingmode Cooling 1 7 6 x 2 Temperaturesetpoint 5 C 1 7 6 x 7...

Page 33: ...ing one or two sensors or exclusively by time acting by means of a cycle timer time on and time off The control is permanently active if its Control Mode 1 7 3 x 1 isnotdeterminedusingtheStarttime 1 7...

Page 34: ...reforshutdown 1 7 3 x 2 1 6 3 1 3Temperaturecontrolusingtwosensors TBS TBUDifferentialandTemperatureLimit When the four parameters Temperature for activation 1 7 3 x 2 Temperature for shutdown 1 7 3 x...

Page 35: ...rding to the air temperature value To use the logic a pressure sensor must be configured for the discharge a temperature sensor for measuringtheexternaltemperatureandatemperaturesensorforcalculatingth...

Page 36: ...s linkedtothethermostatintheparameterlinkedPressureswitch 1 7 6 x 7 ThepressureswitchwillonlyenterPumpDownwhenallthermostats connectedtothatsuctionareshutoff 16 7Outputswithrotation TheRCK 862plusallo...

Page 37: ...rm whichpressureswitchtheoccurrencewason starttimeandtimetheeventstopped Todeletethealarmrecords itisnecessarytobeviewingthealarmhistorylist pressandholdthe keyfor3secondsandconfirmtherequest dddd 1 5...

Page 38: ...gether with the visual alarm Theactivationmodeofthisalarmoutputcanbeswitchedonorcycling In the event of a protection alarm it will be checked if 3 other alarms of the same type have occurred within th...

Page 39: ...essor safety input 3 Compressor safety input 6 Low pressure digital input Backup pressure sensor fault AL0x13 AL0x08 AL0x17 AL0x14 AL0x09 AL0x18 AL0x15 AL0x10 AL0x16 AL0x11 AL0x06 AL0x12 AL0x07 Compre...

Page 40: ...schargepressureswitches1 2or3 respectively Example AL0x01 4 Referring to Discharge 1 5 Referring to Discharge 2 6 Referring to Discharge 3 17 ALARMS Alarm Effect Description External alarm 6 External...

Page 41: ...for fan 4 Maintenance time for fan 5 Maintenance time for fan 6 Adiabatic condensation validation time Indicative alarm Indicative alarm Indicative alarm Indicative alarm Indicative alarm Indicative...

Page 42: ...senting the individual thermostats1 2 3 4 5or6 respectively Example Shut off the output Temperature sensor fault ALxx03 Alarm Effect Alarm Effect Description Description ALxx01 AL1901 ALxx02 AL1902 AL...

Page 43: ...er Enable display eco mode Pressure measurement unit 2 1 System Expansion model address 2 Expansion model address 3 Expansion model address 4 Expansion model address 5 Expansion model address 1 4 1 Ex...

Page 44: ...yed Note If the pressure read by the sensor is equivalent to a region outside the sub critical the message PC is displayed indicating that the valueisabovethecriticalpoint Note WhenECOmodeisactive jus...

Page 45: ...thecablescreen dd RCK 862 plus A B Keep Sitrad update at site http www sitrad com 18 3 2CommunicationMODBUS The RCK 862 plus is compatible with the standard MODBUS RTU protocol For information on the...

Page 46: ...le shield screen with a minimum diameter of 24AWG or0 5mm Whenconfiguringtheexpansions theRCK 862 plusautomaticallyexpandsthepossibleinputandoutputoptionsforselection Example Base O1 Base O2 Base O6 E...

Page 47: ...productmodel AA year MM month DD day HH hour MM minute SS second Example ArecipeexportedonanRCK 862plus on08 02 2019at13 30 00willhavethenameRCK 862_190802_133000 rec 18 5 2Importrecipe RCK 862plus Pe...

Page 48: ...sharing the same discharge line forms a group composedofthreepressureswitches 1 1 1 InitialDelay Itisthetimethatthecontrollerwaitsbeforeenablingthepressureswitcheswhenthecontrolisactivated Thedischar...

Page 49: ...sec Psi Bar Psi Bar Psi Bar Psi Bar Psi Bar 30 0 2 1 0 0 59 off 6 0 0 4 10 0 0 7 10 0 0 7 0 0 0 425 0 29 3 425 0 29 3 425 0 29 3 0 0 0 0 0 0 0 0 0 19 PARAMETER TABLE 1 1 2 Numberofsuctionpressureswit...

Page 50: ...VCC Validation time Minimum time compressor off VCC Digital Maximum no load time Time between compressor actuation VCC Digital Minimum capacity Compressor 3 Auxiliary output 1 Time between unloaders a...

Page 51: ...es the Proportional Integral PI control for the compressors The value of this parameter corresponds to thetimeinwhich100 ofthecontrolerrorisaccumulated suctionpressure setpoint Thisvaluemustbeconfigur...

Page 52: ...iaryoutputsoff Applicationexample BitzerCRIIcompressors VCC Digital 10 100 3V Compressor of variable capacity that uses one main output relay for its actuation plus three auxiliary outputs SSR for cap...

Page 53: ...I 66 I 100 that uses one main and two auxiliary outputs The time between shutdowns of two auxiliary outputs 66and100 mustbegreaterthanthetimebetweenshutdownsofunloaders 1 2 x 67 VCC Startuptime Itist...

Page 54: ...200 0 392 0 200 392 0 C F C F C F 0 0 0 32 1 3 Discharge Opensthelistofdischargepressureswitches 1 3 x Dischargex Listofparametersrelatedtothecontrolofthedischargepressureswitch x Wherexrepresentsdisc...

Page 55: ...ures from being regulated by mistake from the normal andeconomysetpoint 1 3 x 10 Maximumpressuresetpoint Highest possible value for setpoint adjustment The purpose is to prevent unreasonably high pres...

Page 56: ...n1inverter 1 3 x 27 to 1 3 x 32Fan01to06Digitaloutput Digitaloutputaddressoffan1to6 1 3 x 33 Minimumtimebetweenstarts Thefunctionappliestothemaincontroloutputsofthefansandistheminimumtimebetweentwoact...

Page 57: ...ms Alarmsareassignedseparatelyforeachsuctionpressureswitch Inthislist selectthesuctiontowhichyouwanttoconfigurethealarms 1 4 2 x Suctionalarms IfconfiguredwiththeOFFparameter alarmsarenotenabled Thele...

Page 58: ...1 4 3 x 9 Highsubcooling Enablesthealarmwhenthesubcoolingishigherthantheconfiguredvalue 1 4 3 x 10 Hysteresisoftemperaturealarms Itisthetemperaturevariationnecessarytogetoutofthealarmsituation 1 4 4...

Page 59: ...outputremainsshutdowninanalarmevent WhenthistimeissettoOFF theoutputwillbeactivatedifthereisanalarmcondition 1 4 5 x 5 Contacttype Outputpolarity 0 NO Whentheoutputisactuated thecontactisclosed 1 NC W...

Page 60: ...on will bemaintaineduntiltheproblemiscorrected connectionorreplacementofthesensor 1 5 x 7 Timeonforcycletimer Timethatthecompressororfanremainson 1 5 x 8 Timeoffforcycletimer Timethatthecompressororfa...

Page 61: ...tion outputs 1 8 Group 1 suction 15 Rotation outputs 2 9 Group 2 16 Rotation outputs 3 11 Group 3 10 Group 2 suction 17 All outputs 12 Group 3 suction 4 Safety input 4 Available for 1 6 x 1 1 to 6 12...

Page 62: ...collection Afterthistimehaselapsed compressorsareshutdown 1 7 1 x 4 Digitaloutput Addressdigitaloutput Feature Minimum Description 1 7 1 x 1 1 7 1 x 2 1 7 1 x 3 1 7 1 x 4 Pump Down setpoint Digital ou...

Page 63: ...Digital output 10 0 18 0 200 1 off 392 2 200 1 off 392 2 200 1 off 392 2 200 1 off 392 2 5 0 9 0 0 0 1 0 2 0 0 0 32 0 0 32 0 C F C F C F Feature 1 7 2 x 1 1 7 2 x 2 1 7 2 x 3 1 7 2 x 5 1 7 2 x 4 Feat...

Page 64: ...f TimelengththeoutputremainsoffinCycleTimerModeandTemperaturewithcycletimer 1 7 3 x 14 Starttime Logicoperatingstarttime 1 7 3 x 15 Endtime Logicoperatingendtime 1 7 4 1 Floatingcondensation Theletter...

Page 65: ...point 4 Pressure setpoint 2 Pressure hysteresis 1 Pressure hysteresis 2 Pressure hysteresis 3 1 7 5 x 19 1 7 5 x 14 1 7 5 x 20 1 7 5 x 15 1 7 5 x 21 1 7 5 x 16 1 7 5 x 22 425 0 29 3 0 0 0 C F Psi Bar...

Page 66: ...ontrolhysteresislinkedtoindividualthermostatoutput 1 7 6 x 4 Lowpressuralarm Enablesthealarmindicationwhenthetemperatureislowerthantheconfiguredvalue 1 7 6 x 5 Highpressurealarm Enablesthealarmindicat...

Page 67: ...ervalduringwhichthethermostatremainsindefrost 1 7 6 x 16 to 1 7 6 x 21 Defrosttime Itallowsconfiguringaspecifictimetodefrost Inthiscase thedefrostintervalparameterwillnotbeconsidered 1 7 7 Rotationout...

Page 68: ...entstheanalogoutputsA1andA2 Feature Minimum Maximum Unit Standard Description 1 7 8 1 0 0 Digital output address Feature Minimum Maximum Unit Standard Description 1 8 x 1 1 8 x 2 1 8 x 3 1 8 x 5 1 8 x...

Page 69: ...gerantcurves Point1topoint20 It allows to adjust a customized saturated refrigerant curve If you want to use a refrigerant that is not included in the list you can enter the saturation pressure and te...

Page 70: ...act water infiltration overload and or atmosphericdischarge To be covered and benefit from the guarantee the customer must send the product properly packed together with the corresponding purchase inv...

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