WO2019091612A1 - Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible - Google Patents

Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible Download PDF

Info

Publication number
WO2019091612A1
WO2019091612A1 PCT/EP2018/071669 EP2018071669W WO2019091612A1 WO 2019091612 A1 WO2019091612 A1 WO 2019091612A1 EP 2018071669 W EP2018071669 W EP 2018071669W WO 2019091612 A1 WO2019091612 A1 WO 2019091612A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
air
volume flow
mixture
ionization
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2018/071669
Other languages
German (de)
English (en)
Inventor
Enno Jan Vrolijk
Jan Dannemann
Hartmut Hennrich
Jens Hermann
Hans-Joachim Klink
Stephan Wald
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Ebm Papst Landshut GmbH
Original Assignee
Ebm Papst Landshut GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ebm Papst Landshut GmbH filed Critical Ebm Papst Landshut GmbH
Priority to EP18758556.7A priority Critical patent/EP3596391B1/fr
Priority to CN201880027650.1A priority patent/CN110573800B/zh
Publication of WO2019091612A1 publication Critical patent/WO2019091612A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/02—Regulating fuel supply conjointly with air supply
    • F23N1/022—Regulating fuel supply conjointly with air supply using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N5/00—Systems for controlling combustion
    • F23N5/02—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium
    • F23N5/12—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods
    • F23N5/123—Systems for controlling combustion using devices responsive to thermal changes or to thermal expansion of a medium using ionisation-sensitive elements, i.e. flame rods using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
    • F23L5/00—Blast-producing apparatus before the fire
    • F23L5/02—Arrangements of fans or blowers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/06—Sampling
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2227/00—Ignition or checking
    • F23N2227/20—Calibrating devices

Definitions

  • the invention relates to a method for controlling a fuel gas operated heater.
  • WO2006 / 000366A1 The expert also knows a combustion control according to the so-called SCOT method, in which the control of the amount of air supplied to the burner of the heater takes place in accordance with the burner output.
  • SCOT method a flame signal measurement is carried out by means of an ionization sensor and the gas-air mixture to one in a characteristic curve stored setpoint ionization measured value regulated.
  • the SCOT method it is disadvantageous that the flame signal drops sharply at low burner outputs and the control therefore becomes unreliable.
  • the adaptation effort, in particular for adjusting the burner geometry is high and the burner power can only be determined inaccurately on the fan speed of the air flow for the gas-air mixture supplying blower.
  • a problem of the control methods is also that different types of gas, e.g. Natural gas or LPG, as well as gas qualities are used.
  • the parameters of the control method must be adapted to the type of gas or gas quality, otherwise the combustion will be unclean.
  • the number of air differs in practice preferably at different burner performance points and in different gas families (eg natural gas or LPG).
  • this relationship is stored in the form of power-dependent ⁇ -characteristic curves in the control unit. Automatic selection of the correct characteristic requires automatic gas detection.
  • the calorific value of the different gases corresponds approximately to the value of the air requirement L. This relationship is used for the pilot control of the modulating combustion air blower to a desired burner performance. Since all gases change their volume under different temperatures and pressures, the conditions listed above only apply under the same pressure and temperature conditions.
  • the invention has for its object to provide a gasartunplies method for controlling a fuel gas heater.
  • the gas type and its control parameters to the specific gas type.
  • a method for controlling a fuel gas fired heater using an ionization setpoint power curve, wherein a gas volumetric flow delivered via a gas supply and an air volumetric flow supplied via a fan are mixed to form a gas-air mixture and with an air ratio based on a desired burner output ⁇ are fed to a burner of the heater.
  • the air ratio ⁇ is monitored by means of a lonisationsmessvon a burner flame of the burner.
  • a plausibility check in which an ionization measurement signal of the ionization measurement method is evaluated, and in the case of a deviation from an ionization measurement signal setpoint, a mixture calibration of the gas-air mixture takes place.
  • the mixture calibration is carried out by an ionisationsstromregelung in which the air ratio ⁇ of the gas-air mixture is adjusted to a value Aj 0n -max, in which a maximum ionisationsmesssignal on an ionization onionselectrode the ionization in the burner flame is reached. From the maximum ionization measurement signal an ionization signal setpoint for the air ratio ⁇ is calculated in a calibration point and then the air ratio ⁇ -max is adjusted to a desired air ratio A S0 n until the ionization measurement signal corresponds to the calculated ionisation signal setpoint.
  • the control of the burner power of the respective heat demand request is made to the heater.
  • the required amount of air is changed by the speed-controlled fan of a control unit.
  • the fan speed essentially corresponds to the air volume flow.
  • the supplied gas volume flow is varied by an electrically modulated gas actuator or gas valve and measured by a gas mass flow sensor.
  • the regulation of the gas volume flow also takes place via the control unit.
  • the blower is preferably designed as a premixing blower for mixing gas and air, so that the blower delivers a mixture volume flow to the burner.
  • the gas-air mixture control is based on the continuous detection of the air flow through a
  • the parameters influencing optimum combustion are Parameters such as gas type, gas quality, exhaust system, heater assemblies such as the check valves in front of the burner or the heat exchanger work in the desired manner. Any change in these parameters affects the gas-air ratio and hence the ionization measurement signal. This in turn can be detected.
  • the mixture calibration according to the invention makes it possible to adapt the air ratio ⁇ and the conversion of the heater into the optimum combustion, taking into account the parameters influencing the combustion.
  • the values of the air demand value L are known for each gas as described above.
  • the gas type determination can thus be detected automatically via the mixture calibration and stored in the control unit of the heater.
  • the control unit can then use laboratory-technically predefined control characteristics for the corresponding gas type, in particular the corresponding ionization setpoint power curve, for further control.
  • an advantageous embodiment of the method provides for adjusting the ionization setpoint power characteristic by the mixture calibration over an entire power range of the heater if the ionization measurement signal is above a defined threshold value of an ionization measurement signal.
  • Setpoint deviates.
  • the adaptation of the ionization setpoint power characteristic is carried out over its entire course by the ratio recorded at the calibration point of the mixture calibration.
  • the new ionization setpoint power curve is then stores. After the mixture calibration, the gas and air quantity along the stored characteristic with the corresponding power-dependent air ratio and the newly set air demand value L are controlled.
  • the air ratio ⁇ is adjusted by changing the gas volume flow or gas mass flow until the ionization measurement signal corresponds to the calculated ionization signal setpoint. This is possible via the control of the gas actuator in a simple and very accurate manner. In addition, the actual gas mass flow can be adjusted directly via the gas mass flow sensor.
  • the mixture calibration can be run in a long version and in a short version.
  • initially a mixture volume flow is generated at a fixed fan speed and the associated air volume flow is detected.
  • a maximum value of the ionization signal is determined immediately and from this a new ionization setpoint for a known one is determined and adjusted. From the gas and air quantity regulated in this operating point, the air requirement is determined and used for the further mixture control.
  • the associated desired ionization setpoint value is determined via the ionization setpoint power characteristic curve.
  • the ionisationsstromsignal is measured by the control unit and compared with the currently stored characteristic value. Subsequently, the ionization current control steps are run through and the ionization setpoint power curve is adjusted and stored as described above. In this case, only in exceptional cases, the lonisationssignalmaximum must be determined.
  • the mixture calibration is preferably carried out at a power point of the heater, which corresponds to a range of 50-70% of its aximal essence or the burner power.
  • the method comprises a running time measurement for checking the correct function of the gas mass sensor.
  • a running time measurement for checking the correct function of the gas mass sensor.
  • an amount of the supplied gas volume flow is actively varied via activation of the gas actuator or gas valve and the transit time between the activation and the detection of the gas volume variation on the gas mass sensor is compared with a predefined transit time reference value.
  • the gas valve position can be increased or reduced with the variation by one pulse, one oscillation or an actual value jump.
  • the runtime setpoint is determined in advance by laboratory tests. If the running time is above a limit value, there is a gas sensor fault and the heater is put into an emergency operation, for example with limited modulation.
  • the method in one embodiment comprises a transit time measurement for determining the gas-air mixture volume flow.
  • the amount of the supplied gas volume flow is actively varied and the transit time between the activation and a change of the ionization measurement signal and optionally additionally the amount and type of change of the ionization measurement signal is detected.
  • the measured runtime will be followed by a laboratory-technically predetermined transit-time flow characteristic compared. If the effect on the ionization measurement signal is too low due to the gas volume flow change, or if the ionization measurement signal changes in the wrong direction, the heater is switched to emergency mode. If the effect is in the tolerance range, the mixture volume flow is determined from the runtime comparison via a laboratory table.
  • the transit time measurement is repeated at predetermined time intervals.
  • a plausibility check of a sufficient air volume flow is constantly implemented over the entire performance range.
  • the fan speed is plausibility safety.
  • the transit time measurement can be used to perform a combustion air calculation in accordance with the stationarily recorded values at different power points. This allows the internally stored characteristic curve for combustion air calculation to be corrected dynamically.
  • the method further provides that the actual air volume flow is calculated from a difference between the set air volume flow and the mixture volume flow determined over the transit time measurement and optionally a measured temperature of the air volume flow.
  • the method provides that the fan speed and a resulting desired air volume flow from it are continuously adjusted with the actual air volume flow.
  • the control unit switches off the heater and issues an alarm message.
  • the method comprises the integration of the mixture calibration into a start-up procedure for a cold start of the heater. Ignition tests of the gas-air mixture are carried out until a burner flame is detected via the ionization measurement. The present at the time of ignition gas mass flow is kept constant and stored in the control unit.
  • the starting air requirement L s tart is determined from the ratio of the gas volume flow to the air volume flow taken from the fan characteristic and corresponding to the ignition speed, and the gas type is determined therefrom as described above.
  • the starting point for the next burner start is determined from the stored gas mass flow and the ignition range.
  • Fig. 1 shows a schematic structure of a heater
  • FIG. 2 shows a sequence of the mixture calibration in the short version
  • FIG. 3 shows a sequence of the mixture calibration in the long version.
  • FIG. 1 shows a schematic structure of a heater 100 for carrying out the control method with a modulating premix blower 5, which sucks in ambient air a and mixes it with gas.
  • the gas is supplied to the premix blower 5 via a gas line in which a gas safety valve 1, an example of a motor M controllable gas valve 2 and a gas mass sensor 3 are arranged.
  • the gas inlet pressure d is adjusted to the gas control pressure c.
  • the mixture After mixing with ambient air, the mixture has the mixture pressure b.
  • an optional check valve 6 is provided in the embodiment shown.
  • the mixture then has the burner pressure e. This is followed by the burner 28 with the ionization electrode 7 arranged in the burner flame and a siphon 10 connected to the burner housing.
  • the heat exchanger 18 is arranged.
  • the exhaust system follows with the exhaust flap 8.
  • the exhaust gas pressure prevails f.
  • FIG. 2 shows the sub-process of the mixture calibration of the control method in the short version.
  • step 601 the fan speed n of the premix blower 5 is controlled to a fixed value via the control unit 9 and the actual air volume flow vL-ist is calculated by means of the above-described transit time measurement in step 300.
  • step 612 the ionization current control is carried out at a defined air volume flow vL-ist by the gas quantity being increased until a maximum ionization measurement signal (lo-max) is reached.
  • the ionisation signal setpoint (lo-soll, lo-neu) for the desired air ratio ⁇ is calculated from the maximum ionization measurement signal and then the gas quantity is regulated in step 615 until the ionization measurement signal corresponds to the calculated ionisation signal setpoint lo-soll.
  • the gas mass flow resulting in the new operating point is gas-is used in step 617 using the air-number power curve and thus the air ratio ⁇ 30 [ ⁇ , the Air volume flow vL and the current burner power the air demand value to calculate and on the air demand value L to determine the type of gas.
  • the ionization calibration in the short version occurs with every mixture calibration.
  • FIG. 3 shows the partial process of the mixture calibration of the control method in the long version.
  • step 601 the fan speed n of the premix blower 5 is controlled to a fixed value via the control unit 9 and the actual air volume flow vL-ist is calculated. Subsequently, in step 605, the determination of the ionization signal setpoint lo-soll is carried out using the ionization setpoint value.
  • the ionization current at the ionization electrode 7 is measured by the control unit 9 in an ionization measurement method and compared with the characteristic value. If the values agree, the measured ionization current is used for further mixture calibration. If the deviation of the comparison values is greater than a predefined threshold value, the ionization setpoint power characteristic curve is calibrated by increasing the gas quantity until the maximum ionization measurement signal lo-max is reached under step 612 at a defined air volume flow vL-ist. From the maximum ionization measurement signal, the ionization signal setpoint 624 (lo-soll) for the desired air ratio ⁇ (at 625) is calculated. According to step 613, the original ionization setpoint power characteristic lo-old over its entire power range is corrected lo-new by the ratio detected at the calibration point of mixture calibration to the new ionization setpoint power curve. The new ionization setpoint
  • Performance curve lo-new is stored in the memory of the control unit 9.
  • the amount of gas is controlled until the ionisationsmesss-ig- corresponds to the calculated ionization signal setpoint lo-soll.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Regulation And Control Of Combustion (AREA)

Abstract

L'invention concerne un procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible à l'aide d'une courbe caractéristique valeur de consigne d'ionisation-puissance, ledit procédé comprenant un contrôle de vraisemblance et un étalonnage du mélange.
PCT/EP2018/071669 2017-11-08 2018-08-09 Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible Ceased WO2019091612A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP18758556.7A EP3596391B1 (fr) 2017-11-08 2018-08-09 Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible
CN201880027650.1A CN110573800B (zh) 2017-11-08 2018-08-09 用于调控由燃气操纵的加热设备的方法

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102017126137.0A DE102017126137A1 (de) 2017-11-08 2017-11-08 Verfahren zur Regelung eines brenngasbetriebenen Heizgerätes
DE102017126137.0 2017-11-08

Publications (1)

Publication Number Publication Date
WO2019091612A1 true WO2019091612A1 (fr) 2019-05-16

Family

ID=63294200

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2018/071669 Ceased WO2019091612A1 (fr) 2017-11-08 2018-08-09 Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible

Country Status (4)

Country Link
EP (1) EP3596391B1 (fr)
CN (1) CN110573800B (fr)
DE (1) DE102017126137A1 (fr)
WO (1) WO2019091612A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102018105185A1 (de) 2018-03-07 2019-09-12 Ebm-Papst Landshut Gmbh Verfahren zur Brenngasartenerkennung bei einem brenngasbetriebenen Heizgerät
DE102019003451A1 (de) * 2019-05-16 2020-11-19 Truma Gerätetechnik GmbH & Co. KG Verfahren zum Überwachen eines Brenners und/oder eines Brennverhaltens eines Brenners sowie Brenneranordnung
DE102020102117A1 (de) 2020-01-29 2021-07-29 Ebm-Papst Landshut Gmbh Verfahren zur Optimierung eines Toleranzbereichs einer Regelungskennlinie einer elektronischen Gemischregelung bei einem Gasheizgerät
DE102020204647B3 (de) * 2020-04-09 2021-07-29 Viessmann Werke Gmbh & Co Kg Brenneranordnung, verfahren zum betreiben einer brenneranordnung und windfunktion
EP3913285B1 (fr) * 2020-05-22 2025-12-03 Pittway Sarl Procédé et appareil de commande pour faire fonctionner un appareil à brûleur à gaz
DE102021109473A1 (de) * 2021-04-15 2022-11-03 Vaillant Gmbh Verfahren zum Prüfen einer Abgasanlage eines Heizgerätes
CN114576648B (zh) * 2021-11-18 2022-12-06 浙江菲斯曼供热技术有限公司 用于运行气体燃烧器的方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770824A2 (fr) * 1995-10-25 1997-05-02 STIEBEL ELTRON GmbH & Co. KG Procédé et circuit pour commander un brûleur à gaz
WO2006000366A1 (fr) 2004-06-23 2006-01-05 Ebm-Papst Landshut Gmbh Procede pour reguler et commander un dispositif de combustion, et dispositif de combustion
EP2362145A2 (fr) * 2010-02-23 2011-08-31 Robert Bosch GmbH Procédé de fonctionnement d'un brûleur et de modulation réglée selon le coefficient d'air d'une puissance de brûleur

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102010046954B4 (de) * 2010-09-29 2012-04-12 Robert Bosch Gmbh Verfahren zur Kalibrierung, Validierung und Justierung einer Lambdasonde
DE102010055567B4 (de) * 2010-12-21 2012-08-02 Robert Bosch Gmbh Verfahren zur Stabilisierung eines Betriebsverhaltens eines Gasgebläsebrenners
CN103256623B (zh) * 2012-02-20 2015-06-17 宝山钢铁股份有限公司 一种灵活控制脉冲烧嘴空气过剩系数的方法
DE102014224891A1 (de) * 2014-12-04 2016-06-09 Robert Bosch Gmbh Heizgerätevorrichtung und Verfahren zum Betrieb einer Heizgerätevorrichtung
DE102015116458A1 (de) * 2015-09-29 2017-03-30 Viessmann Werke Gmbh & Co Kg Verfahren zur Unterscheidung zweier für einen Verbrennungsprozess vorgesehener Brenngase mit unterschiedlich hohen Energiegehalten

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0770824A2 (fr) * 1995-10-25 1997-05-02 STIEBEL ELTRON GmbH & Co. KG Procédé et circuit pour commander un brûleur à gaz
WO2006000366A1 (fr) 2004-06-23 2006-01-05 Ebm-Papst Landshut Gmbh Procede pour reguler et commander un dispositif de combustion, et dispositif de combustion
EP2362145A2 (fr) * 2010-02-23 2011-08-31 Robert Bosch GmbH Procédé de fonctionnement d'un brûleur et de modulation réglée selon le coefficient d'air d'une puissance de brûleur

Also Published As

Publication number Publication date
DE102017126137A1 (de) 2019-05-09
EP3596391B1 (fr) 2020-12-30
EP3596391A1 (fr) 2020-01-22
CN110573800A (zh) 2019-12-13
CN110573800B (zh) 2021-06-15

Similar Documents

Publication Publication Date Title
EP3596391B1 (fr) Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible
EP2594848B1 (fr) Procédé de commande d'un appareil à combustion et appareil à combustion
EP3683500B1 (fr) Procédé de régulation d'un mélange gazeux à l'aide d'un capteur de gaz et d'un capteur de mélange gazeux
EP3824366B1 (fr) Dispositif de réglage d'un mélange gazeux au moyen d'un capteur de gaz, d'un capteur de gaz combustible et d'un capteur de mélange gazeux
EP3707433A1 (fr) Procédé de régulation d'un appareil de chauffage fonctionnant avec du gaz combustible
DE202018101271U1 (de) Brenngasbetriebenes Heizgerät
DE202019100263U1 (de) Heizgerät mit Regelung eines Gasgemisches unter Nutzung eines Gassensors, eines Brenngassensors und eines Gasgemischsensors
DE102018105185A1 (de) Verfahren zur Brenngasartenerkennung bei einem brenngasbetriebenen Heizgerät
DE102011111453A1 (de) Verfahren zur Luftzahleinstellung bei einem Heizgerät
EP3499124A1 (fr) Composant d'appareil de chauffage et procédé de réglage d'un débit volumétrique de carburant
EP2405198A1 (fr) Procédé de calibration de régulation du rapport gaz combustible-air d'un brûleur à gaz combustible
EP3751200B1 (fr) Procédé de régulation d'un appareil chauffant à gaz combustible
EP3680553B1 (fr) Procédé de régulation du rapport d'air de combustion sur le brûleur d'un appareil de chauffage
EP1923634A1 (fr) Réglage du mélange air / gaz combustible sur la température de flamme ou de brûleur d'un appareil de chauffage
DE10220774B4 (de) Einrichtung zur Regelung eines Brenners
WO2020148434A1 (fr) Procédé de réglage d'un mélange gazeux au moyen d'un capteur de mélange gazeux
EP3734159A1 (fr) Procédé de vérification d'un capteur de mélange gazeux dans un appareil chauffant fonctionnant au gaz combustible
WO2020030323A1 (fr) Procédé pour la régulation d'un rapport de mélange de gaz combustible et d'air pour un appareil de chauffage
DE102004063992B4 (de) Verfahren zur Steuerung einer Feuerungseinrichtung und Feuerungseinrichtung
EP3859210B1 (fr) Procédé d'optimisation d'une plage de tolérance d'une courbe caractéristique d'une régulation de mélange électronique dans un appareil de chauffage à gaz
EP1351019B1 (fr) Procédé pour le contrôle du fonctionnement d'un système de régulation de brûleur pour appareil de chauffage
DE202019100264U1 (de) Heizgerät mit Regelung eines Gasgemisches unter Nutzung eines Gassensors und eines Gasgemischsensors
DE102024131510A1 (de) Verfahren zum Betreiben eines Heizgerätes, Computerprogramm und Heizgerät
EP4600559A1 (fr) Procédé de fonctionnement d'un appareil de chauffage, programme informatique, appareil de régulation et de commande et appareil de chauffage
DE102004030299A1 (de) Verfahren zur Regelung und Steuerung einer Feuerungseinrichtung und Feuerungseinrichtung

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 18758556

Country of ref document: EP

Kind code of ref document: A1

ENP Entry into the national phase

Ref document number: 2018758556

Country of ref document: EP

Effective date: 20191015

NENP Non-entry into the national phase

Ref country code: DE