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Honeywell EN2H-0221GE51 R0808 service manual Switching time programs P2 and P3 enabled

Models: EN2H-0221GE51 R0808

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SDC / DHC	Operation

Reloading default programs

Switching time programs P2 and P3 enabled

DHW

HC	Direct heating circuit
MC-1	Mixed heating circuit 1
MC-2	Mixed heating circuit 2
DHW	Hot-water heating circuit

EN2H-0221GE51 R0808

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Honeywell EN2H-0221GE51 R0808 service manual Switching time programs P2 and P3 enabled

Contents

Smile SDC heating and district heating controller EN2H-0221GE51 R0808 Contents Menu-selection level SDC / DHCControl Functions 114 Hydraulic Components 128 155 171 255 Technical data 250254 SDC / DHC Intended use Software versionCable cross-sections Power supplyCable installation Connection conditionsGrounding and zeroing Hot-water temperature greater than 60 CSDC / DHC Safety precautions for EMC-compliant installation SDC / DHC SDC / DHC SDC / DHC SDC / DHC Overview Abbreviations Display and operating elements OperationDisplay basic display Setting range Daytime room temperature buttonSetting Factory settingFactory setting 50 C Night-time room temperature buttonFactory setting Setting range 2.4 Daytime hot-water temperature button SettingOperating mode button basic display Setting range One-time hot-water circuit loadingSummer AbsentParty AutomaticAbsence mode short-term program Setting Return to the basic displayP1 P2, P3 Party mode short-term programAutomatic mode Manual summer operation excluding heating operation Display 2.5.4 Disabling / enabling default program P2 to P3Disabling / enabling default programs P2 to P3 EnablingContinuous lowering operation Continuous heating operationSwitching time programs / Holiday programs button Holiday mode System information button Factory setting Current dateOperating overview EM-SET Temperature displays Information Display Condition RemarksOFF ON/OFF Information Display Condition RemarksMC2 ThermostatMC1 Information Display Condition Operating statesInformation Display Condition Clock Information Display Condition Cancellation Press Manual mode / Emission measurement buttonSDC / DHC Procedure Access to the technician / OEM area2.10 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 Returning AccessTime Date menu Timeprograms menu Access Returning Selection of day of the week and cycle Selection of the control circuitSelection of the program Switch-off time Cycle temperature DHW Switching time programming programs P2 and P3 disabledDefault program P1 Default switching time program P1 for heating and hot waterSwitching time programming program P2 and P3 enabled Default program P3 Default program P2Calling up the copy function days Copying switching time programs days Source day Target dayCalling up the copy function heating circuits Block programming SDC / DHC DHW Copying heating circuitsReloading default programs SDC / DHC Reloading default programs Switching time programs P2 and P3 enabled System information button, pg Language selection System Parameters menu Access ReturningSetting values DE Factory setting GermanTime program Set values Factory setting EffectsControl mode selection Switching time programmingSetting range Individualised operating mode for each heating circuit Parameter reset Quick increase in outside temperatureSlow increase in outside temperature Factory setting 20 CDHW menu Complete resetALL Night-time hot-water temperatureFactory setting 40 C ECO, RED ECO switch-off operationReduced operation ECOConv Heating systemUFH RADFactory setting Setting Parameter settings Hydraulics menu HydraulicPara Designation Setting range / Setting values Meter Mixed heating Electrical heating circuit Buffer sensor Setting System parameters menu System ALL OFF, on OEM RTCSDC, DHC SDC/DHCHot-water circuit menu DHW SDC / DHC Auto CON Direct heating circuit menu Unmixed CircRED 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 OFF Reset 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 STOP-OPEN-CLOS Stop Data bus menu BUSRelay test menu Relay Test OFF-ON-OFFError messages menu Alarm Sensor calibration menu Sensor ADJ Error messages 2 menu AlarmControl Functions Example DKP, VA1 VA2 SLPVF2 SLP, DKPSlvf Switching time program enablingFKF SslpEnabling Separate Control Mode Suppressing the cycle temperature on time program levelVariable inputs and outputs of device series SDC/DHC Switching from SDC to DHCSelection of hydraulic parameter presettings Application Parameter Key/MenuSystem Climate zone Outside temperature disableDesign temperature Outside temperature rise Summer switch-offSystem frost protection Cancelling switch-offOperation without room temperature sensing Cycle operation Operation with room temperature sensingFrost protection function in case of heat generator fault Pump forced operation Start-up protection controlled by weather conditions Heat generator Boiler Heat generator start-up protectionUnlimited start-up protection Unlimited minimum limit Heat generator minimum temperature limitMinimum limit based on demand Conditional minimum limitExternal burner switch-off Heat generator sensor control modeBurner switch-off in case of a faulty heat generator sensor Minimum burner runtime Burner enabling in case of a faulty heat generator sensorSwitching Multi-stage heat generator/Switching differential Mode of operation with switching differential Combined operation for 2-stage heat generators Time-out during start-up relief Unlimited enable during start-up reliefResetting Operation for modulating burners Modulation of sample time Ta Modulation of P part XpModulation of start time Modulation of integral action time TnModulation of runtime Modulation of start power OpenTherm logo Electrical connection OpenThermDissipation into hot-water tank Two measuring points in the combustion chamberExternal heat generator cut-off Set values OFFHeat generator lock if limit value is exceeded for set time Exhaust gas temperature monitoringDisplay of flue gas temperature only Discharge to heating circuitsBurner counter mode Recommended settingHeat generation, heat exchanger, district heating Para Designation Range Presetti Step Unit Meter IncreaseContinuous heat exchanger valve control 1 On/Off operation of the district heating valvePara Designation Range Presetti Step Unit Meter District heating return temperature limit SDC / DHC Para- Designation meter Range Pre Step Unit SettingReturn temperature limit for hot-water loading Hot-water pre-regulator with district heating systems Mode of operation Hot-water pre-control New parameters Quick hot-water controlSDC / DHC SDC / DHC Conditional parallel operation for mixed heating circuits Circulation pump control modeReturn interval flushing Switch-off of district heating controlCharging pump CHP Boiler circuit pump Primary pumpReturn increase Bypass pump RBP Return maintenance through controlled feed water additionIndirect return increase Heating curve setting heating curve Recommended settings Heating circuit temperature limit SDC / DHC SDC / DHC Heating function for floor covering setting Function heating acc. to DIN 4725 Part 4 settingFixed-value control Heating circuit constant temperature controlNo room sensor with the following conditions Heating circuit room factor Heating circuit room controller Switch-on/switch-off optimisationParameter settings for the switch-on optimisation in the HC On optimisation Activation of switchParameter 41 switch-on optimisation, 03 adaptation restart Parameter 44 min. jump back temperatureParameter 47 lowering ramp Switch-on optimisation with room sensor adaptationSwitch-on optimisation without room sensor Parameter 46 pre-heating time at 0CHeating limit function Room setpoint rampExample Wall device functionality limitation Mixed heating circuits cooling switch-overHeating circuit room frost protection limit Function Heating circuit correction Switch-over from heating mode to cooling modeCooling with humidistatic switch-off 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 Actuator runtime Application Adjustment TimeSample time Ta Example Actuator end position function Example After See also 5.1.2.4 Daytime hot-water temperature button, pgHot-water production Hot-water tank loading SLP Example BeforeSDC / DHC SDC / DHC SDC / DHC SDC / DHC Quick hot-water connection in cascaded systems Tank priority no heating demand HeatingCirculation pump CIR Electrical heating element ELH Solar/Solid fuel/Buffer Solar function Solar switch-on differentialSolar parallel operation Solar priority mode disabling of heat generatorSolar priority mode hot water setpoint control Solar priority mode buffer setpoint controlOperation in buffer priority mode Buffer tank function SDC / DHC SLP PLP SLP SF SLP Buffer HC/HW Buffer control modeHC/HW Buffer control mode Discharge control Loading controlExample Tank loading pump with provision tanks only Set value OFFSDC / DHC Buffer loading pump extended running time Buffer sensor 2 BS2 Buffer sensor 2 BS2Solid fuel function Solid-fuel boiler minimum temperature limitPrerequisite Heat generator solid-fuel cycle disableTank loading switch-over Solar loading switch-over operation Hydraulic buffer relief HBR Kspf BSetting range OFF, -20 +30 Timer Other system components Global fault message inputGlobal fault message output HEATING, HEATING, Standby External switching modemConnection terminal of variable input 1 2, 3 open Demand contact System information Address Device type Assignment Bus communication Bus address of central deviceClock synchronisation Tank control mode tank priority operationHeating circuit demand Examples with multiple control devices Room temperature transmissionFault messages/Status indications MK1 Important note for parameter setting 226 EN2H-0221GE51 R0808 Address CD address Assignment Address CU address Assignment Operation with wall device SDWAutomatic Mode Heating Lowering Automatic Flashing OFF Control mode/Function Moon LED Clock LED Sun LEDBrief Flashing OFF FlashingOperation with NTC 20K room temperature sensor Extended access authorisation Function of the cascade parameters Switch-off characteristics Delay, enabling, full load in cascade operation Control characteristicsSpecial function characteristics Grouping for base and peak loads ANF118-V2.2 specificationsAutomatic call-up Emission measurement not for DHC Input Only executed ifRelay/function test 2x single-stage heat generators Modulating modeSingle-stage heat generator Stage heat generatorMeaning Display Value RangeBus test SDC / DHC Fault messages Eeprom RSC/RSThese fault messages come from automatic stokers and are LOW Additional fault processingFault type Field Code HighOperating Key/Menu Parameter Information Fault MessageBasic display/fault stack fault messages Controller time correction Full controller resetSensor calibration III Technical dataSensor resistance values 1 NTC Installation recommendations Mains voltage linesSafety low-voltage lines VE2 2 PTVF1 VE1BZ2 BZ1Log Index SDC / DHC SDC / DHC Automation and Control Solutions