EP1310736A2 - Régulateur et méthode de régulation pour un brûleur - Google Patents

Régulateur et méthode de régulation pour un brûleur Download PDF

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Publication number
EP1310736A2
EP1310736A2 EP02023855A EP02023855A EP1310736A2 EP 1310736 A2 EP1310736 A2 EP 1310736A2 EP 02023855 A EP02023855 A EP 02023855A EP 02023855 A EP02023855 A EP 02023855A EP 1310736 A2 EP1310736 A2 EP 1310736A2
Authority
EP
European Patent Office
Prior art keywords
temperature
burner
switch
maximum
sdaus
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.)
Granted
Application number
EP02023855A
Other languages
German (de)
English (en)
Other versions
EP1310736A3 (fr
EP1310736B1 (fr
Inventor
Harry Gerstner
Dieter Dr. Pfannstiel
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.)
Siemens Schweiz AG
Original Assignee
Siemens Building Technologies AG
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 Siemens Building Technologies AG filed Critical Siemens Building Technologies AG
Publication of EP1310736A2 publication Critical patent/EP1310736A2/fr
Publication of EP1310736A3 publication Critical patent/EP1310736A3/fr
Application granted granted Critical
Publication of EP1310736B1 publication Critical patent/EP1310736B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N1/00—Regulating fuel supply
    • F23N1/08—Regulating fuel supply conjointly with another medium, e.g. boiler water
    • F23N1/082—Regulating fuel supply conjointly with another medium, e.g. boiler water using electronic means
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D19/00—Details
    • F24D19/10—Arrangement or mounting of control or safety devices
    • F24D19/1006—Arrangement or mounting of control or safety devices for water heating systems
    • F24D19/1066—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water
    • F24D19/1069—Arrangement or mounting of control or safety devices for water heating systems for the combination of central heating and domestic hot water regulation in function of the temperature of the domestic hot water
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/174—Supplying heated water with desired temperature or desired range of temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/10—Control of fluid heaters characterised by the purpose of the control
    • F24H15/184—Preventing harm to users from exposure to heated water, e.g. scalding
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/215—Temperature of the water before heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/212—Temperature of the water
    • F24H15/219—Temperature of the water after heating
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/238—Flow rate
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/20—Control of fluid heaters characterised by control inputs
    • F24H15/269—Time, e.g. hour or date
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/345—Control of fans, e.g. on-off control
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
    • F24H15/355—Control of heat-generating means in heaters
    • F24H15/36—Control of heat-generating means in heaters of burners
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H15/00—Control of fluid heaters
    • F24H15/40—Control of fluid heaters characterised by the type of controllers
    • F24H15/414—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based
    • F24H15/421—Control of fluid heaters characterised by the type of controllers using electronic processing, e.g. computer-based using pre-stored data
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
    • F24H9/00—Details
    • F24H9/20—Arrangement or mounting of control or safety devices
    • F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
    • F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/08—Microprocessor; Microcomputer
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23N—REGULATING OR CONTROLLING COMBUSTION
    • F23N2223/00—Signal processing; Details thereof
    • F23N2223/36—PID signal processing

Definitions

  • the present invention relates to a control method for controlling a burner Heating device, in particular for controlling the burner of a hot water heater according to the preamble of claim 1, a controller for Regulation of such a burner according to the preamble of claim 14 and a preferred use of the method or the controller according to claim 16th
  • Such control methods and controllers for controlling a burner in particular for Control of the burner of a water heater for heating a Heat transfer medium, such as water, are already known, here basically two different principles are applied. This is the case with some Manufacturers of such heaters the process water or the one to be heated Heat transfer medium in a continuous flow principle directly via a heat exchanger from one The burner heats up, while at other manufacturers a second heat exchanger, i.e. a so-called secondary heat exchanger is used for domestic water heating.
  • the heat transfer medium is used either directly via a primary heat exchanger or indirectly using the heated one Water of the heating is heated via a secondary heat exchanger and at suitable Tap points, for example in the kitchen or in the bathroom.
  • burners of such thermal baths are carried out by measurement the outlet temperature at the outlet of the heater. That through an enema the heat transfer medium supplied to the heating device has a certain inlet temperature there and at the outlet of the heater a certain outlet temperature.
  • the heat transfer medium is heated, for example, by means of a PI controller or a PID controller depending on a target temperature and the outlet temperature regulated.
  • the control difference is fed to the controller, while this is then a suitable manipulated variable, for example a signal for setting the burner output, emits.
  • the outlet temperature changes depending on the tapping quantity, the condition of the Burner and the burner output. After turning on the burner, for example due to a requirement of the heat transfer medium or because of a lower switch-on temperature of the heat transfer medium, the temperature drops of the heat transfer medium initially a little, then due to the heating to rise with the burner switched on. In the course of the others The burner draws off heat transfer medium depending on an upper switch-off temperature or a lower switch-on temperature is switched on or off. When tapping the heat transfer medium for the first time, there are stronger ones due to the system Fluctuations in the temperature of the heat transfer medium. These temperature fluctuations result, for example, from that still in the pipelines located heat transfer medium that must be removed, or by the necessary Heating of the pipeline up to the tap.
  • the outlet temperature should be kept as constant as possible, i.e. as close as possible to the setpoint set by the user of the heat transfer medium.
  • the burner should not be switched on and off too often be, as this not only loads the burner, but also in terms of exhaust technology and in terms of fuel consumption is unfavorable.
  • the invention is therefore based on the object of conventional control methods To improve the control of such burners or corresponding regulators in such a way that On the one hand, frequent burner switching on and off avoided and at the same time a constant outlet temperature is achieved.
  • the invention is based on the knowledge that when a burner is switched on due to the irregularities mentioned during the heating of the pipeline to the tap as well as by expelling the still in the pipes fluctuations in the outlet temperature are acceptable are, but these subside after a short settling process.
  • the invention therefore provides a dynamic variable switch-off difference, which in a corridor between a maximum switch-off temperature and a minimum one Switch-off temperature is.
  • the control method measures the increase in the case of a predeterminable burner output Outlet temperature, especially after the burner is switched on for the first time and detected a first maximum of the outlet temperature, i.e. every point where the temperature of the heat transfer medium after a first rise, for example due to an increased draw-off volume compared to the set burner output, falls off again.
  • the control method according to the invention uses as next switch-off temperature, i.e. as the next upper limit of the dynamic switch-off difference a value between the previously set maximum switch-off temperature and the first maximum of the outlet temperature, which previously corresponded was measured.
  • the first maximum of the outlet temperature is advantageous measured, then a first difference between the maximum switch-off temperature and to calculate the first maximum of the outlet temperature. in the Following this, the next switch-off temperature is determined using this first calculated difference determined. This can be the case for any subsequent, resulting maximum the temperature of the heat transfer medium are repeated. The following The difference between the current switch-off temperature is then calculated and the maximum formed.
  • the difference from the current switch-off temperature is advantageously the next switch-off temperature and half of the first difference used.
  • the next switch-off temperature and half of the first difference used Generally applies following rule:
  • the next switch-off temperature is the difference from the i-th switch-off temperature and half of the i-th difference and the i-th maximum of the outlet temperature. This corresponds to the previous switch-off temperature minus half the i-th difference.
  • the control method according to the invention advantageously uses the difference as the i-th difference between the maximum switch-off temperature or the previous switch-off temperature and a minimum switch-off temperature if the ith maximum of the outlet temperature is below the minimum switch-off temperature.
  • the maximum switch-off temperature advantageously uses the maximum switch-off temperature as the next switch-off temperature, if the i-th maximum of the outlet temperature is above the maximum switch-off temperature, i.e. above the originally set upper limit of the dynamic Switch-off difference is.
  • control method starts according to a preferred embodiment of the present invention, the measurement of the i-th maximum only after the measurement of a previous (i-1) th minimum, i.e. that after measuring the (i-1) th maximum a further (i -1) th minimum has to be detected before the control method starts measuring the i-th maximum.
  • a time count is advantageous at the same time after switching on the burner started to the minimum switch-off temperature after a predetermined time to be used as the next switch-off temperature. This is for security the standard procedure. If, for example, by a very high tap output no maximum of the temperature of the heat transfer medium can be detected, i.e. if the temperature gradually falls below the lower limit of the dynamic switch-off difference, i.e. the minimum switch-off temperature is approaching, according to the predeterminable Period can be switched directly to the minimum switch-off temperature, the minimum possible switching difference between the switch-on temperature and the switch-off temperature.
  • the maximum switch-off temperature is preferred Embodiment of the invention limited depending on the target temperature.
  • the first Overshoot a larger switching difference are allowed than with higher setpoints. If the switching differential is set too high at a setpoint of 60 ° C, for example, this leads to a large overshoot in the short term and thus to the Thermal baths geographically close to the tap may scald the tap Person.
  • the switch-off difference can therefore depend on the one to be set Set temperature can be limited.
  • the temperature is not the target temperature for a predeterminable burner output is reached after a predeterminable period of time has elapsed, according to a preferred embodiment of the present control method modulating the burner output.
  • the heating of the heat transfer medium in cyclic operation i.e. with very small amounts of dissipated heat transfer medium, after starting the burner from an ignition power as directly as possible to a predeterminable and storable clock power switched.
  • the last power before switching off is advantageously used as the cycle power of the burner or the minimum adjustable output of the burner is used. This has the advantage that a large overshoot after switching on again of the burner is avoided without the switching difference having to be increased.
  • a controller for controlling a burner of a heating device has corresponding means for measuring a first maximum of the outlet temperature that is achieved at a predeterminable burner output, and others Means for calculating a next switch-off temperature that has a value between the maximum switch-off temperature and the first maximum of the outlet temperature occupies.
  • the controller also advantageously has means for measuring gradients of temperature profiles, in particular the corresponding maxima and to be able to determine minima.
  • the controller consists of regulating a process water heater or for boiler control or heating circuit control.
  • FIG 1 shows the schematic representation of a continuous flow heater with primary exchanger 7 (primary heat exchanger), which is heated by a burner 2 (shown only schematically).
  • the cold water KW is fed to the primary exchanger 7 via a cold water inlet 5 and heated there.
  • the heated water is withdrawn at a tap 6 as hot water WW.
  • An outlet temperature sensor B3 (temperature sensor 9) is used to measure the outlet temperature ⁇ Off .
  • the tap of hot water WW is recognized via a flow switch (flow switch) FS.
  • the burner 2 is also used to heat a heating medium, such as water, for supplying heat to a house.
  • a boiler heat exchanger 8 with flow temperature sensor B2, return temperature sensor B7, flow pump or heating circuit pump Q1, consumer 3 (radiator) and water pipe 4 is shown only schematically.
  • a controller 1 regulates or controls the burner 2 for heating the cold water KW in Primary exchanger 7.
  • FIG. 2 shows the schematic representation of a continuous-flow heater with a secondary heat exchanger, where the cold water KW is not heated directly by the burner 2, but via a secondary exchanger 10 (secondary heat exchanger).
  • the secondary exchanger 10 is supplied with heat from the heating medium via a three-way valve UV, which heats the cold water.
  • an outlet temperature sensor B3 is used to measure the outlet temperature ⁇ Off .
  • An inlet temperature sensor B5 and a buffer medium temperature sensor B4 are also indicated schematically.
  • a flow switch FS is arranged on the outlet side at the tap 6 for measuring a tap of hot water WW.
  • the heating circuit pump Q1 is in this case on the return side of the boiler 8 in front of the return temperature sensor B7 and at the same time ensures the circulation of the heating medium in the secondary exchanger 10.
  • FIG. 3 shows an example of the schematic illustration of a transient process of the temperature of the heat transfer medium, ie the outlet temperature ⁇ Aus , which is measured, for example, at the outlet of the heating device.
  • FIG. 3 shows a maximum switch-off temperature SdAus max and a minimum switch-off temperature SdAus min , which represent the upper and lower values of the dynamic switch-off difference.
  • the dynamic switch-off difference is initially set to the maximum switch-off temperature SdAus max when the burner 2 is switched on in the present control method.
  • a time count (Sd_Zähler) is started when the burner starts. This counter is used to reset the switch-off difference to the minimum switch-off temperature SdAus min after an adjustable time. This ensures that the fluctuations in the outlet temperature ⁇ off are limited.
  • FIG. 4 shows a further possible settling process of the outlet temperature of the heat transfer medium, which at no time exceeds the minimum switch-off temperature SdAus min of the dynamic switch-off difference.
  • the i-th difference between the previous switch-off temperature SdAus (k + i -1) (or the first time between the maximum switch-off temperature SdAus max ) and the minimum switch-off temperature SdAus min is calculated if the i- te maximum of the outlet temperature ⁇ Aus is below the minimum switch-off temperature SdAuS min .
  • the upper limit of the dynamic switch-off difference ie the upper switch-off temperature SdAus (k + i) iteratively approaches the lower switch-off temperature, ie the minimum possible switch-off temperature SdAus min .
  • the minimum switch-off temperature SdAus min is used as the switch-off temperature if the difference between the current upper switch-off temperature SdAus (k + i) and the minimum switch-off temperature SdAuS min falls below a certain limit (e.g. 2-5 K).
  • FIG. 5 shows the schematic representation of the setting of the starting power in the cyclical operation of the burner 2, that is to say with small tapping quantities. While the outlet temperature ⁇ off versus time was plotted in the upper part of FIG. 5, as in FIG. 4, the output of the burner 2 versus time is shown in accordance with the outlet temperature emperatur off lying above it. As soon as a cycle operation has been recognized, ie the tapping of particularly small amounts of hot water WW and the burner 2 have been switched off, the last-used output of the burner 2 is stored in a memory of the controller 1.
  • the burner 2 While the burner 2 remains switched off, it is possible to let the burner fan continue to run in order to get into the suitable speed range as quickly as possible when the burner is switched on again. As soon as the outlet temperature ⁇ out crosses the lower limit of the switching difference SdEin, the burner 2 switches on again, using the previously “noted” power, that is to say stored in the controller 1, which can then also be used, for example, to measure the rate of increase v A if this has not been done before. After the identification phase (power constant), the modulation controller is released.
  • control method according to the invention or the controller according to the invention are advantageously suitable for controlling a process water heater, these can also be used, for example, for the heating operation of a heating system. It is only necessary to differentiate between the parameters for hot water operation and heating operation, ie to switch over.
  • the controller has suitable input means to separately set the minimum and maximum switch-off temperatures SdAus min and SdAus max for heating operation.

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Thermal Sciences (AREA)
  • Computer Hardware Design (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Combustion (AREA)
  • Regulation And Control Of Combustion (AREA)
  • Crystals, And After-Treatments Of Crystals (AREA)
  • Paper (AREA)
  • Diaphragms For Electromechanical Transducers (AREA)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
  • Control Of Steam Boilers And Waste-Gas Boilers (AREA)
EP02023855A 2001-11-07 2002-10-24 Régulateur et méthode de régulation pour un brûleur Expired - Lifetime EP1310736B1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE10154198A DE10154198A1 (de) 2001-11-07 2001-11-07 Vorrichtung und Verfahren zur Regelung von Thermen
DE10154198 2001-11-07

Publications (3)

Publication Number Publication Date
EP1310736A2 true EP1310736A2 (fr) 2003-05-14
EP1310736A3 EP1310736A3 (fr) 2004-05-19
EP1310736B1 EP1310736B1 (fr) 2006-08-02

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EP02023855A Expired - Lifetime EP1310736B1 (fr) 2001-11-07 2002-10-24 Régulateur et méthode de régulation pour un brûleur
EP02023856A Expired - Lifetime EP1310746B1 (fr) 2001-11-07 2002-10-24 Dispositif et procédé de regulation d'un chauffe-eau

Family Applications After (1)

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EP02023856A Expired - Lifetime EP1310746B1 (fr) 2001-11-07 2002-10-24 Dispositif et procédé de regulation d'un chauffe-eau

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EP (2) EP1310736B1 (fr)
AT (1) ATE335169T1 (fr)
DE (3) DE10154198A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1607820A1 (fr) * 2004-06-15 2005-12-21 Taran Systems Limited Système de régulation de chauffage

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IT1393216B1 (it) * 2009-03-05 2012-04-11 Eberle Dispositivo per il miglioramento del bilancio energetico, particolarmente per caldaie per riscaldamento.
DE102019123030A1 (de) 2019-08-28 2021-03-04 Viessmann Werke Gmbh & Co Kg Verfahren zum Betrieb eines Heizgeräts
DE102021108035A1 (de) 2021-03-30 2022-10-06 Stiebel Eltron Gmbh & Co. Kg Warmwassergerät und Verfahren zum Steuern des Warmwassergerätes
CN114251831B (zh) * 2021-08-24 2023-04-11 佛山市顺德区美的饮水机制造有限公司 即热式加热装置及其调控方法和装置、用水设备和介质
WO2023235393A1 (fr) * 2022-06-01 2023-12-07 Laars Heating Systems Company Système et procédé de détermination de capacité de transfert thermique d'un chauffe-eau indirect
CN118464131B (zh) * 2024-07-11 2024-09-17 青岛清万水技术有限公司 冰期流量测量方法、系统、电子设备及存储介质

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CH667516A5 (de) * 1984-05-29 1988-10-14 Vaillant Gmbh 2-punkt-regelverfahren fuer eine waermequelle.
DE4305870A1 (de) * 1993-02-25 1994-09-01 Sandler Energietechnik Brauchwasser-Temperaturregelung
DE19804565A1 (de) * 1998-02-05 1999-08-19 Kummerer Selbstlernendes Regelverfahren und selbstlernendes Regelsystem zur Regelung einer Temperiereinrichtung
EP0990861A2 (fr) * 1998-09-30 2000-04-05 Honeywell B.V. Chauffe-eau

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CH682185A5 (fr) * 1991-07-17 1993-07-30 Landis & Gyr Business Support
GB2265027A (en) * 1992-03-12 1993-09-15 Worcester Heat Systems Ltd Controlling operation of a gas boiler
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Publication number Priority date Publication date Assignee Title
CH667516A5 (de) * 1984-05-29 1988-10-14 Vaillant Gmbh 2-punkt-regelverfahren fuer eine waermequelle.
DE3716798A1 (de) * 1986-05-23 1987-11-26 Nuovo Pignone Spa System zur temperaturregelung von warmwasser in wandaufgehaengten mischgas-durchlauferhitzereinheiten
DE4305870A1 (de) * 1993-02-25 1994-09-01 Sandler Energietechnik Brauchwasser-Temperaturregelung
DE19804565A1 (de) * 1998-02-05 1999-08-19 Kummerer Selbstlernendes Regelverfahren und selbstlernendes Regelsystem zur Regelung einer Temperiereinrichtung
EP0990861A2 (fr) * 1998-09-30 2000-04-05 Honeywell B.V. Chauffe-eau

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1607820A1 (fr) * 2004-06-15 2005-12-21 Taran Systems Limited Système de régulation de chauffage

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EP1310736A3 (fr) 2004-05-19
DE50202701D1 (de) 2005-05-12
DE10154198A1 (de) 2003-05-15
EP1310736B1 (fr) 2006-08-02
EP1310746A1 (fr) 2003-05-14
DE50207704D1 (de) 2006-09-14
EP1310746B1 (fr) 2005-04-06
ATE335169T1 (de) 2006-08-15

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