Manuals / Honeywell / Household Appliance / Heating System

Honeywell EN2H-0221GE51 R0808 service manual OFF Reset

Models: EN2H-0221GE51 R0808

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Page 103

SDC / DHC	Operation

Para-		Designation	Setting range / Setting values
meter
29		Heat generator	OFF
		forced discharge	1	Discharge to process
			1	Discharge to process
				water tank
			2	Discharge to heating
				circuits
			3	Discharge to buffer tank

30*		OEM maximum	Setting value of parameter 03 to
		limit	130 °C

31*	Full-load		OFF, 0.5 to 10
		regulation

34		Power limit for	50 ... 100 %
		heating

35		Power limit for hot	50 ... 100 %
		water

37		Burner counter	AUTO
		mode (counter of	1	Feedback only
		operating hours)	1	Feedback only
		operating hours)	2	Free counter
			2	Free counter

38		Outside	OFF, –20 to +30 °C
		temperature
		lock, inverse

RESET		Resetting of burner	SET by pressing the input button
ST-1		start counter and
		operating hours of
		stage 1 (not if
		parameter 01 =
		OFF)

RESET		Resetting of	SET by pressing the input button
ST-2		burner start
		counter and
		operating hours of
		stage 2 (not if
		parameter 01 = 2
		or 01 = OFF)

Factory setting

OFF

110 OFF 100 100 AUTO

OFF

–

–

Setting

EN2H-0221GE51 R0808

103

Image 103

Honeywell EN2H-0221GE51 R0808 service manual OFF Reset

Contents

Smile SDC heating and district heating controller EN2H-0221GE51 R0808 Contents Menu-selection level SDC / DHCControl Functions 114 Hydraulic Components 128 155 171 254 Technical data 250255 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 OFF Temperature displays Information Display Condition RemarksEM-SET ON/OFF Information Display Condition RemarksMC1 ThermostatMC2 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 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 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 resetFactory setting 40 C Night-time hot-water temperatureALL ECO, RED ECO switch-off operationReduced operation ECOConv Heating systemUFH RADPara 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 OEM RTCSDC, DHC SDC/DHCHot-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 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 levelSelection 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 Outside temperature rise Summer switch-offOperation without room temperature sensing Cancelling switch-offSystem frost protection Cycle operation Operation with room temperature sensingFrost 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 Unlimited minimum limit Heat generator minimum temperature limitMinimum limit based on demand Conditional 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 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 runtime Modulation of integral action time TnModulation of start time 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 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 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 Heating circuit room frost protection limit Function Mixed heating circuits cooling switch-overWall device functionality limitation 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 Sample time Ta Application Adjustment TimeActuator runtime 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 HC/HW Buffer control modeBuffer HC/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 limitTank loading switch-over Heat generator solid-fuel cycle disablePrerequisite Solar loading switch-over operation Hydraulic buffer relief HBR Kspf BSetting 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 Address Device type Assignment Bus communication Bus address of central deviceHeating 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 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 HighBasic display/fault stack fault messages Fault MessageOperating Key/Menu Parameter Information Sensor calibration Full controller resetController time correction III Technical dataSafety low-voltage lines Installation recommendations Mains voltage linesSensor resistance values 1 NTC VE2 2 PTVF1 VE1BZ2 BZ1Log Index SDC / DHC SDC / DHC Automation and Control Solutions