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Honeywell EN2H-0221GE51 R0808 service manual Sdc / Dhc

Models: EN2H-0221GE51 R0808

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Contents	SDC / DHC

10	EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Sdc / Dhc

Contents

Smile SDC heating and district heating controller EN2H-0221GE51 R0808 Contents SDC / DHC Menu-selection levelControl Functions 114 Hydraulic Components 128 155 171 254 Technical data 250255 SDC / DHC Software version Intended useConnection conditions Power supplyCable installation Cable cross-sectionsHot-water temperature greater than 60 C Grounding and zeroingSDC / DHC Safety precautions for EMC-compliant installation SDC / DHC SDC / DHC SDC / DHC SDC / DHC Overview Abbreviations Operation Display and operating elementsDisplay basic display Factory setting Daytime room temperature buttonSetting Setting rangeDaytime hot-water temperature button Setting Night-time room temperature buttonFactory setting Setting range 2.4 Factory setting 50 CSetting range One-time hot-water circuit loading Operating mode button basic displayAutomatic AbsentParty SummerSetting Return to the basic display Absence mode short-term programParty mode short-term program P1 P2, P3Automatic mode Enabling Display 2.5.4 Disabling / enabling default program P2 to P3Disabling / enabling default programs P2 to P3 Manual summer operation excluding heating operationContinuous heating operation Continuous lowering operationSwitching time programs / Holiday programs button Holiday mode Factory setting Current date System information buttonOperating overview OFF Temperature displays Information Display Condition RemarksEM-SET Information Display Condition Remarks ON/OFFMC1 ThermostatMC2 Operating states Information Display ConditionInformation Display Condition Clock Information Display Condition Manual mode / Emission measurement button Cancellation PressSDC / DHC Access to the technician / OEM area Procedure2.10 Setting Setting range Heating curve Menu-selection level Parameter Programming Date Parameter Programming Date Hydraulics Parameter Programming Date Hydraulics Configuration Hot water Direct heating Circuit Mixed heating Parameter Time Date menu AccessReturning Timeprograms menu Access Returning Selection of the program Selection of the control circuitSelection of day of the week and cycle Switch-off time Cycle temperature Switching time programming programs P2 and P3 disabled DHWDefault switching time program P1 for heating and hot water Default program P1Switching time programming program P2 and P3 enabled Default program P2 Default program P3Copying switching time programs days Source day Target day Calling up the copy function daysCalling up the copy function heating circuits Block programming SDC / DHC Copying heating circuits DHWReloading default programs SDC / DHC Reloading default programs Switching time programs P2 and P3 enabled Factory setting German System Parameters menu Access ReturningSetting values DE System information button, pg Language selectionSwitching time programming Set values Factory setting EffectsControl mode selection Time programSetting range Individualised operating mode for each heating circuit Factory setting 20 C Quick increase in outside temperatureSlow increase in outside temperature Parameter resetComplete reset DHW menuFactory setting 40 C Night-time hot-water temperatureALL ECO ECO switch-off operationReduced operation ECO, REDRAD Heating systemUFH ConvPara Designation Setting range / Setting values Meter Parameter settings Hydraulics menu HydraulicFactory setting Setting Mixed heating Electrical heating circuit Buffer sensor Setting System parameters menu System ALL OFF, on SDC/DHC RTCSDC, DHC OEMHot-water circuit menu DHW SDC / DHC Auto RED Direct heating circuit menu Unmixed CircCON Room connection Stby Mixed heating circuit 1 / 2 MIX.VALVE 1 / MIX.VALVE 2 menus Room connection SDC / DHC Room control Tn 240 min SDW 30 only Holiday operating Heat generator menu Heat Gener Unlimited minimum limit SLT 102 EN2H-0221GE51 R0808 Reset OFF ResetDistrict hot water menu DIST.HEATING Return increase menu Return Contr Solar menu Solar Solid menu Solid Fuel Buffer menu Buffer Total flow regulation menu Main Supply Cascading menu Cascade OFF-ON-OFF Data bus menu BUSRelay test menu Relay Test STOP-OPEN-CLOS StopError messages menu Alarm Error messages 2 menu Alarm Sensor calibration menu Sensor ADJControl Functions Example SLP, DKP SLPVF2 DKP, VA1 VA2Sslp Switching time program enablingFKF SlvfSuppressing the cycle temperature on time program level Enabling Separate Control ModeSelection of hydraulic parameter presettings Switching from SDC to DHCVariable inputs and outputs of device series SDC/DHC Application System Key/MenuParameter Design temperature Outside temperature disableClimate zone Summer switch-off Outside temperature riseOperation without room temperature sensing Cancelling switch-offSystem frost protection Operation with room temperature sensing Cycle operationFrost protection function in case of heat generator fault Pump forced operation Unlimited start-up protection Heat generator Boiler Heat generator start-up protectionStart-up protection controlled by weather conditions Conditional minimum limit Heat generator minimum temperature limitMinimum limit based on demand Unlimited minimum limitBurner switch-off in case of a faulty heat generator sensor Heat generator sensor control modeExternal burner switch-off Switching Multi-stage heat generator/Switching differential Burner enabling in case of a faulty heat generator sensorMinimum burner runtime Mode of operation with switching differential Combined operation for 2-stage heat generators Unlimited enable during start-up relief Time-out during start-up reliefResetting Operation for modulating burners Modulation of P part Xp Modulation of sample time TaModulation of runtime Modulation of integral action time TnModulation of start time Modulation of start power OpenTherm OpenTherm logo Electrical connectionSet values OFF Two measuring points in the combustion chamberExternal heat generator cut-off Dissipation into hot-water tankDischarge to heating circuits Exhaust gas temperature monitoringDisplay of flue gas temperature only Heat generator lock if limit value is exceeded for set timeRecommended setting Burner counter modePara Designation Range Presetti Step Unit Meter Increase Heat generation, heat exchanger, district heating1 On/Off operation of the district heating valve Continuous heat exchanger valve controlPara Designation Range Presetti Step Unit Meter District heating return temperature limit SDC / DHC Return temperature limit for hot-water loading Range Pre Step Unit SettingPara- Designation meter Hot-water pre-regulator with district heating systems Mode of operation Hot-water pre-control Quick hot-water control New parametersSDC / DHC SDC / DHC Circulation pump control mode Conditional parallel operation for mixed heating circuitsSwitch-off of district heating control Return interval flushingCharging pump CHP Primary pump Boiler circuit pumpReturn increase Return maintenance through controlled feed water addition Bypass pump RBPIndirect return increase Heating curve setting heating curve Recommended settings Heating circuit temperature limit SDC / DHC SDC / DHC Function heating acc. to DIN 4725 Part 4 setting Heating function for floor covering settingHeating circuit constant temperature control Fixed-value controlNo room sensor with the following conditions Heating circuit room factor Switch-on/switch-off optimisation Heating circuit room controllerParameter settings for the switch-on optimisation in the HC Parameter 44 min. jump back temperature Activation of switchParameter 41 switch-on optimisation, 03 adaptation restart On optimisationParameter 46 pre-heating time at 0C Switch-on optimisation with room sensor adaptationSwitch-on optimisation without room sensor Parameter 47 lowering rampRoom setpoint ramp Heating limit functionExample Heating circuit room frost protection limit Function Mixed heating circuits cooling switch-overWall device functionality limitation Switch-over from heating mode to cooling mode Heating circuit correctionHumidistatic switch-off Cooling with humidistatic switch-offHeating circuit name Access code Room thermostat function maximum room temperature limit Mixed heating circuit control Proportional part Xp Integral action time Tn Sample time Ta Application Adjustment TimeActuator runtime Example Actuator end position function Example Before See also 5.1.2.4 Daytime hot-water temperature button, pgHot-water production Hot-water tank loading SLP Example AfterSDC / DHC SDC / DHC SDC / DHC SDC / DHC Quick hot-water connection in cascaded systems Heating Tank priority no heating demandCirculation pump CIR Electrical heating element ELH Solar switch-on differential Solar/Solid fuel/Buffer Solar functionSolar priority mode buffer setpoint control Solar priority mode disabling of heat generatorSolar priority mode hot water setpoint control Solar parallel operationOperation in buffer priority mode Buffer tank function SDC / DHC SLP PLP SLP SF SLP HC/HW Buffer control modeBuffer HC/HW Buffer control mode Loading control Discharge controlExample Set value OFF Tank loading pump with provision tanks onlySDC / DHC Buffer sensor 2 BS2 Buffer sensor 2 BS2 Buffer loading pump extended running timeSolid-fuel boiler minimum temperature limit Solid fuel functionTank loading switch-over Heat generator solid-fuel cycle disablePrerequisite Solar loading switch-over operation Kspf B Hydraulic buffer relief HBRSetting range OFF, -20 +30 Global fault message output Other system components Global fault message inputTimer Connection terminal of variable input 1 2, 3 open External switching modemHEATING, HEATING, Standby Demand contact System information Bus communication Bus address of central device Address Device type AssignmentHeating circuit demand Tank control mode tank priority operationClock synchronisation Fault messages/Status indications Room temperature transmissionExamples with multiple control devices MK1 Important note for parameter setting 226 EN2H-0221GE51 R0808 Address CD address Assignment Operation with wall device SDW Address CU address AssignmentAutomatic Mode Heating Lowering Automatic OFF Flashing Control mode/Function Moon LED Clock LED Sun LEDBrief Flashing Flashing OFFOperation with NTC 20K room temperature sensor Extended access authorisation Function of the cascade parameters Switch-off characteristics Control characteristics Delay, enabling, full load in cascade operationGrouping for base and peak loads ANF118-V2.2 specifications Special function characteristicsAutomatic call-up Input Only executed if Emission measurement not for DHCRelay/function test Stage heat generator Modulating modeSingle-stage heat generator 2x single-stage heat generatorsValue Range Meaning DisplayBus test SDC / DHC Fault messages RSC/RS EepromThese fault messages come from automatic stokers and are High Additional fault processingFault type Field Code LOWBasic display/fault stack fault messages Fault MessageOperating Key/Menu Parameter Information Sensor calibration Full controller resetController time correction Technical data IIISafety low-voltage lines Installation recommendations Mains voltage linesSensor resistance values 1 NTC VE1 2 PTVF1 VE2BZ1 BZ2Log Index SDC / DHC SDC / DHC Automation and Control Solutions