JPH0319468B2 - - Google Patents
Info
- Publication number
- JPH0319468B2 JPH0319468B2 JP58069666A JP6966683A JPH0319468B2 JP H0319468 B2 JPH0319468 B2 JP H0319468B2 JP 58069666 A JP58069666 A JP 58069666A JP 6966683 A JP6966683 A JP 6966683A JP H0319468 B2 JPH0319468 B2 JP H0319468B2
- Authority
- JP
- Japan
- Prior art keywords
- temperature
- hot water
- pump
- gas burner
- heat exchanger
- 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.)
- Expired - Lifetime
Links
Classifications
-
- 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
- F24D19/1051—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water
- F24D19/1054—Arrangement or mounting of control or safety devices for water heating systems for domestic hot water the system uses a heat pump
-
- 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
- F24H15/156—Reducing the quantity of energy consumed; Increasing efficiency
-
- 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
- F24H15/20—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
- F24H15/212—Temperature of the water
- F24H15/223—Temperature of the water in the water storage tank
-
- 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
- F24H15/335—Control of pumps, e.g. on-off control
- F24H15/34—Control of the speed of pumps
-
- 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
- F24H15/30—Control of fluid heaters characterised by control outputs; characterised by the components to be controlled
- F24H15/375—Control of heat pumps
- F24H15/38—Control of compressors of heat pumps
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Description
【発明の詳細な説明】 本発明は、給湯装置に関する。[Detailed description of the invention] The present invention relates to a water heater.
従来からのヒートポンプを用いた給湯装置で
は、外気温が低下すると加熱能力が低下し、また
着霜が生じて運転の停止または除霜制御が必要と
なる。またこのようなヒートポンプでは得られる
湯温は、せいぜいたとえば55℃位までであり、し
かも上述のように加熱能力が低いので加熱に時間
がかかり、これによつて貯湯容量を大きくせざる
をえないことになつた。 In conventional water heaters using heat pumps, when the outside temperature drops, the heating capacity decreases, and frost formation occurs, making it necessary to stop operation or defrost control. In addition, the hot water temperature that can be obtained with such a heat pump is at most, for example, 55℃, and as mentioned above, the heating capacity is low, so it takes time to heat up, which necessitates increasing the hot water storage capacity. It became a matter of fact.
従来からのガス燃料を行なつて給湯を行なう貯
湯式給湯装置ではその効率はせいぜい70％程度で
あり、熱効率が悪い。 Conventional hot water storage type water heaters that use gas fuel to supply hot water have an efficiency of about 70% at most, which is poor thermal efficiency.
本発明の目的は、貯湯温度を高くすることがで
き、しかも貯湯容量が小さくて済み、省エネルギ
ー化を図つた給湯装置を提供することである。 SUMMARY OF THE INVENTION An object of the present invention is to provide a water heater that can increase the temperature of hot water stored in the hot water, requires only a small hot water storage capacity, and achieves energy savings.
本発明は、ヒートポンプ１と、
そのヒートポンプ１の凝縮器３に関連して設け
られた第１熱交換機１１と、
ガスバーナ９と、そのガスバーナ９によつて加
熱される第２熱交換機１０とを有するガス給湯器
８と、
貯湯槽１３と、
第１熱交換機１１と第２熱交換器１０と貯湯槽
１３とにこの順序で水を循環するポンプ１５とを
備え、
第２熱交換機１０からの水は、貯湯槽１３の上
部に供給され、貯湯槽１３の下部から、ポンプ１
５に水が供給され、
第２熱交換機１０の出口の水の温度を検出する
第１温度検出器Th１と、
貯湯槽１３の高さの上方寄りに設けられ、貯湯
される水の温度を検出する第２温度検出器Th２
と、
貯湯槽１３の下部からポンプ１５に供給される
水の温度を検出する第３温度検出器Th３と、
第１熱交換機１１から第２熱交換機１０に供給
される水の温度を検出する第４温度検出器Th５
と、
制御手段１８であつて、(a)第３温度検出器Th
３によつて検出される温度が予め定める第１の温
度未満では、ヒートポンプ１を動作させ、かつガ
スバーナ９を着火し、かつポンプ１５の流量を第
４温度検出器Th５によつて検出される温度が予
め定める第２の温度となるように制御し、ガスバ
ーナ９のガス燃料の流量を、第１温度検出器Th
１によつて検出される温度が予め定める第３温度
になるように制御し、(b)第３温度検出器Th３に
よつて検出される温度が第１温度になつたとき、
ヒートポンプ１を休止し、ガスバーナ９を消火
し、ポンプ１５を停止し、(c)第２温度検出器Th
２によつて検出される温度が第３温度近傍でかつ
第３温度未満である予め定める第４温度（80−
δ）未満になつたとき、ガスバーナ９を着火して
第１温度検出器Th１によつて検出される温度が
予め定める第３温度となるようにガス燃料の流量
を制御し、かつポンプ１５を動作させ、ヒートポ
ンプ１を休止したままとし、(d)第２温度検出器
Th２によつて検出される温度が第３温度になつ
たとき、ガスバーナ９を消火し、以下、前記動作
(c)および(d)を行う制御手段１８とを含むことを特
徴とする給湯装置である。 The present invention includes a heat pump 1, a first heat exchanger 11 provided in association with a condenser 3 of the heat pump 1, a gas burner 9, and a second heat exchanger 10 heated by the gas burner 9. It includes a gas water heater 8, a hot water storage tank 13, and a pump 15 that circulates water through the first heat exchanger 11, the second heat exchanger 10, and the hot water storage tank 13 in this order, and the water from the second heat exchanger 10. is supplied to the upper part of the hot water storage tank 13, and the pump 1 is supplied from the lower part of the hot water storage tank 13.
A first temperature detector Th1 is provided near the top of the height of the hot water storage tank 13 and detects the temperature of the water stored in the hot water storage tank 13. Second temperature sensor Th2
a third temperature detector Th3 that detects the temperature of water supplied from the lower part of the hot water tank 13 to the pump 15; and a third temperature detector Th3 that detects the temperature of the water supplied from the first heat exchanger 11 to the second heat exchanger 10. 4 temperature detector Th5
and a control means 18, which includes (a) a third temperature sensor Th;
When the temperature detected by 3 is lower than a predetermined first temperature, the heat pump 1 is operated, the gas burner 9 is ignited, and the flow rate of the pump 15 is lowered to the temperature detected by the fourth temperature detector Th5. is controlled to a predetermined second temperature, and the flow rate of the gas fuel of the gas burner 9 is controlled by the first temperature detector Th.
(b) when the temperature detected by the third temperature detector Th3 reaches the first temperature,
The heat pump 1 is stopped, the gas burner 9 is extinguished, the pump 15 is stopped, and (c) the second temperature detector Th
A predetermined fourth temperature (80-
δ), the gas burner 9 is ignited, the flow rate of the gas fuel is controlled so that the temperature detected by the first temperature detector Th1 becomes a predetermined third temperature, and the pump 15 is operated. (d) The second temperature sensor
When the temperature detected by Th2 reaches the third temperature, the gas burner 9 is extinguished and the above operation is performed.
This hot water supply apparatus is characterized in that it includes a control means 18 that performs (c) and (d).
第１図は、本発明の一実施例の系統図である。
ヒートポンプ１は、熱交換器２を構成する凝縮器
３と、その凝縮器からの高温高圧ガスが導かれる
キヤピラリ４と、キヤピラリ４からの低温低圧ガ
スが導かれる蒸発器５と、アキユムレータ６と、
コンプレツサ７とを含む。蒸発器５は、屋外など
に設けられている。コンプレツサ７は、電動機な
どによつて駆動される。 FIG. 1 is a system diagram of one embodiment of the present invention.
The heat pump 1 includes a condenser 3 constituting a heat exchanger 2, a capillary 4 to which high-temperature, high-pressure gas from the condenser is guided, an evaporator 5 to which low-temperature, low-pressure gas from the capillary 4 is guided, and an accumulator 6.
compressor 7. The evaporator 5 is installed outdoors. The compressor 7 is driven by an electric motor or the like.
燃焼給湯器としてのガス給湯器８は、ガスバー
ナ９と、熱交換機１０とを含む。熱交換器２の熱
交換室１１において加熱された水は、管路２２を
経て熱交換機１０によつて加熱され、管路１２か
ら貯湯槽１３の上部に導かれる。貯湯槽１３の下
部からの水は、管路１４からポンプ１５によつて
圧送され、熱交換室１１に導かれる。貯湯槽１３
の上部からは管路１６を経て給湯される。貯湯槽
１３の下部には管路１７から水道水などが給水さ
れる。管路１２には、ガス給湯器８から貯湯槽１
３に向つてサーミスタなどの温度検出器Th１お
よびTh４がこの順序で設けられる。管路１４に
は温度検出器Th３が設けられ、貯湯槽１３から
の湯温が測定される。貯湯槽１３にはその貯湯槽
の高さの上から1/3程度の位置に温度検出器Th２
が設けられる。ポンプ１５による循環流量は温度
検出器Th１からの出力によつて後述のように制
御される。 A gas water heater 8 as a combustion water heater includes a gas burner 9 and a heat exchanger 10. Water heated in the heat exchange chamber 11 of the heat exchanger 2 is heated by the heat exchanger 10 through a pipe line 22, and is led from the pipe line 12 to the upper part of the hot water storage tank 13. Water from the lower part of the hot water storage tank 13 is pumped through a pipe 14 by a pump 15 and led to the heat exchange chamber 11 . Hot water tank 13
Hot water is supplied from the upper part of the tank through a pipe 16. Tap water or the like is supplied to the lower part of the hot water storage tank 13 from a pipe 17. The pipe line 12 is connected from the gas water heater 8 to the hot water tank 1.
Temperature detectors Th1 and Th4 such as thermistors are provided in this order toward No. 3. A temperature detector Th3 is provided in the conduit 14, and the temperature of the hot water from the hot water storage tank 13 is measured. The hot water tank 13 is equipped with a temperature sensor Th2 at a position about 1/3 from the top of the hot water tank.
is provided. The circulating flow rate by the pump 15 is controlled by the output from the temperature sensor Th1 as described below.
温度検出器Th４は、温度検出器Th１が故障し
たときにおいても温度を検出して異常に高い温度
になることを防ぐために設けてある。 The temperature detector Th4 is provided to detect the temperature and prevent the temperature from becoming abnormally high even when the temperature detector Th1 fails.
第２図は、第１図に示された実施例の電気的構
成を示すブロツク図である。温度検出器Th１〜
Th５は制御回路１８に接続されている。制御回
路１８はプログラム動作を行ない、コンプレツサ
７のオン・オフ制御を行なうとともに、ポンプ１
５の速度とガスバーナ９へのガス燃料の流量を制
御する。 FIG. 2 is a block diagram showing the electrical configuration of the embodiment shown in FIG. 1. Temperature detector Th1~
Th5 is connected to the control circuit 18. The control circuit 18 performs a program operation, controls the compressor 7 on and off, and also controls the pump 1.
5 and the flow rate of gas fuel to the gas burner 9.
熱交換機２の熱交換室１１からガス給湯器８と
に接続された管路２２にはその湯温を検出する温
度検出器Th５が設けられている。 A pipe line 22 connected from the heat exchange chamber 11 of the heat exchanger 2 to the gas water heater 8 is provided with a temperature detector Th5 for detecting the temperature of the hot water.
電源投入時に、温度検出器Th３によつて検出
される温度が35℃未満であるときには、ヒートポ
ンプ１のコンプレツサ７が駆動されるとともに、
ガス給湯器８のガスバーナ９が着火され、ポンプ
１５が駆動される。ポンプ１５は、温度検出器
Th５による検出温度が55℃となるように流量制
御される。またバーナ９に供給されたガス燃料の
流量は、温度検出器Th１による検出温度が80℃
になるように制御される。このようにして温度検
出器Th３による検出温度が35℃となり、したが
つて貯湯槽１３内の温度が80℃になつたとき、ヒ
ートポンプ１のコンプレツサ７が消勢され、ガス
バーナ９が消火され、ポンプ１５が停止する。こ
の停止状態は、温度検出器Th２による検出温度
が（80−δ）℃になるまで持続される。 When the power is turned on, if the temperature detected by the temperature detector Th3 is less than 35°C, the compressor 7 of the heat pump 1 is driven, and
The gas burner 9 of the gas water heater 8 is ignited, and the pump 15 is driven. Pump 15 is a temperature sensor
The flow rate is controlled so that the temperature detected by Th5 is 55°C. In addition, the flow rate of gas fuel supplied to burner 9 has a temperature detected by temperature detector Th1 of 80°C.
controlled so that In this way, when the temperature detected by the temperature detector Th3 reaches 35°C and the temperature inside the hot water tank 13 reaches 80°C, the compressor 7 of the heat pump 1 is deenergized, the gas burner 9 is extinguished, and the pump 15 stops. This stopped state is maintained until the temperature detected by the temperature detector Th2 reaches (80-δ)°C.
貯湯槽１３から管路１６を経て給湯されて使用
され、これに応じて管路１７からは水道水などが
給水される。温度検出器Th２によつて検出され
る温度が（80−δ）℃未満になると、ガス給湯器
８のガスバーナ９が着火され、先ずポンプ１５が
駆動される。このときヒートポンプ１は休止され
たままである。ガスバーナ９のガス燃料の流量
は、温度検出器Th１によつて検出される湯温が
80℃となるように制御される。このときポンプ１
５は一定速度で運転できる。こうして温度検出器
Th２によつて検出される湯温が80℃になつた時
点でガスバーナ９が消火される。以下同様にし
て、ガスバーナ９の制御が行なわれ貯湯槽１３内
の湯温は80℃〜（80−δ）℃の範囲に保たれる。 Hot water is supplied from the hot water storage tank 13 through a pipe 16 for use, and in response, tap water or the like is supplied from a pipe 17. When the temperature detected by the temperature detector Th2 becomes less than (80-δ)°C, the gas burner 9 of the gas water heater 8 is ignited, and the pump 15 is first driven. At this time, the heat pump 1 remains inactive. The flow rate of the gas fuel in the gas burner 9 depends on the hot water temperature detected by the temperature sensor Th1.
The temperature is controlled to be 80℃. At this time pump 1
5 can be operated at a constant speed. Thus the temperature sensor
The gas burner 9 is extinguished when the hot water temperature detected by Th2 reaches 80°C. Thereafter, the gas burner 9 is controlled in the same manner, and the temperature of the hot water in the hot water storage tank 13 is maintained within the range of 80°C to (80-δ)°C.
以上のように本発明によれば、貯湯槽の湯温が
予め定めた温度未満であるとき、ヒートポンプと
燃焼給湯器とが同時に作動し、その湯温が予め定
めた温度に達した後には燃焼給湯器によつて加熱
維持が行なわれるようにしたので、貯湯温度を高
くすることができるとともに、その貯湯槽の容量
をむやみに大きくする必要がなくコンパクト化が
図られ、さらに燃焼給湯器の燃料量を低減して、
省エネルギー化を図ることができる。特に本発明
によれば、第１〜第４温度検出器Th１〜Th４を
用いて、貯湯槽１３の湯温を、第３温度と第４温
度（80−δ）との間の範囲でほぼ一定に保つこと
ができるようになる。 As described above, according to the present invention, when the water temperature in the hot water storage tank is lower than a predetermined temperature, the heat pump and the combustion water heater operate simultaneously, and after the water temperature reaches the predetermined temperature, combustion occurs. Since heating is maintained by the water heater, the temperature of the hot water storage can be increased, and there is no need to unnecessarily increase the capacity of the hot water storage tank, making it more compact. reduce the amount,
Energy saving can be achieved. In particular, according to the present invention, the first to fourth temperature detectors Th1 to Th4 are used to keep the water temperature in the hot water tank 13 almost constant in the range between the third temperature and the fourth temperature (80-δ). You will be able to keep it.
第１図は本発明の一実施例の系統図、第２図は
電気的構成を示すブロツク図である。
１……ヒートポンプ、２……熱交換機、３……
凝縮器、４……キヤピラリ、５……蒸発器、６…
…アキユムレータ、７……コンプレツサ、８……
ガス給湯器、９……ガスバーナ、１０……熱交換
機、１３……貯湯槽、１５……ポンプ、Th１〜
Th５……温度検出器。
FIG. 1 is a system diagram of an embodiment of the present invention, and FIG. 2 is a block diagram showing the electrical configuration. 1...Heat pump, 2...Heat exchanger, 3...
Condenser, 4... Capillary, 5... Evaporator, 6...
...Accumulator, 7...Compressusa, 8...
Gas water heater, 9...Gas burner, 10...Heat exchanger, 13...Hot water tank, 15...Pump, Th1~
Th5...Temperature detector.
Claims (1)
られた第１熱交換機１１と、 ガスバーナ９と、そのガスバーナ９によつて加
熱される第２熱交換機１０とを有するガス給湯器
８と、 貯湯槽１３と、 第１熱交換機１１と第２熱交換機１０と貯湯槽
１３とにこの順序で水を循環するポンプ１５とを
備え、 第２熱交換機１０からの水は、貯湯槽１３の上
部に供給され、貯湯槽１３の下部から、ポンプ１
５に水が供給され、 第２熱交換機１０の出口の水の温度を検出する
第１温度検出器Th１と、 貯湯槽１３の高さの上方寄りに設けられ、貯湯
される水の温度を検出する第２温度検出器Th２
と、 貯湯槽１３の下部からポンプ１５に供給される
水の温度を検出する第３温度検出器Th３と、 第１熱交換機１１から第２熱交換機１０に供給
される水の温度を検出する第４温度検出器Th５
と、 制御手段１８であつて、(a)第３温度検出器Th
３によつて検出される温度が予め定める第１の温
度未満では、ヒートポンプ１を動作させ、かつガ
スバーナ９を着火し、かつポンプ１５の流量を第
４温度検出器Th５によつて検出される温度が予
め定める第２の温度となるように制御し、ガスバ
ーナ９のガス燃料の流量を、第１温度検出器Th
１によつて検出される温度が予め定める第３温度
になるように制御し、(b)第３温度検出器Th３に
よつて検出される温度が第１温度になつたとき、
ヒートポンプ１を休止し、ガスバーナ９を消火
し、ポンプ１５を停止し、(c)第２温度検出器Th
２によつて検出される温度が第３温度近傍でかつ
第３温度未満である予め定める第４温度（80−
δ）未満になつたとき、ガスバーナ９を着火して
第１温度検出器Th１によつて検出される温度が
予め定める第３温度となるようにガス燃料の流量
を制御し、かつポンプ１５を動作させ、ヒートポ
ンプ１を休止したままとし、(d)第２温度検出器
Th２によつて検出される温度が第３温度になつ
たとき、ガスバーナ９を消火し、以下、前記動作
(c)および(d)を行う制御手段１８とを含むことを特
徴とする給湯装置。[Claims] 1. A heat pump 1, a first heat exchanger 11 provided in association with the condenser 3 of the heat pump 1, a gas burner 9, and a second heat exchanger 10 heated by the gas burner 9. a gas water heater 8 having a hot water tank 13; a pump 15 that circulates water through the first heat exchanger 11, the second heat exchanger 10, and the hot water tank 13 in this order; The water is supplied to the upper part of the hot water tank 13, and from the lower part of the hot water tank 13, the water is supplied to the pump 1.
A first temperature detector Th1 is provided near the top of the height of the hot water storage tank 13 and detects the temperature of the water stored in the hot water storage tank 13. Second temperature sensor Th2
a third temperature detector Th3 that detects the temperature of water supplied from the lower part of the hot water tank 13 to the pump 15; and a third temperature detector Th3 that detects the temperature of the water supplied from the first heat exchanger 11 to the second heat exchanger 10. 4 temperature detector Th5
and a control means 18, which includes (a) a third temperature sensor Th;
When the temperature detected by 3 is lower than a predetermined first temperature, the heat pump 1 is operated, the gas burner 9 is ignited, and the flow rate of the pump 15 is lowered to the temperature detected by the fourth temperature detector Th5. is controlled so that it reaches a predetermined second temperature, and the flow rate of the gas fuel of the gas burner 9 is controlled by the first temperature detector Th.
(b) when the temperature detected by the third temperature detector Th3 reaches the first temperature,
The heat pump 1 is stopped, the gas burner 9 is extinguished, the pump 15 is stopped, and (c) the second temperature detector Th
A predetermined fourth temperature (80-
δ), the gas burner 9 is ignited, the flow rate of the gas fuel is controlled so that the temperature detected by the first temperature detector Th1 becomes a predetermined third temperature, and the pump 15 is operated. (d) The second temperature sensor
When the temperature detected by Th2 reaches the third temperature, the gas burner 9 is extinguished and the above operation is performed.
A water heater characterized in that it includes a control means 18 that performs (c) and (d).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58069666A JPS59195049A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58069666A JPS59195049A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS59195049A JPS59195049A (en) | 1984-11-06 |
| JPH0319468B2 true JPH0319468B2 (en) | 1991-03-15 |
Family
ID=13409380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58069666A Granted JPS59195049A (en) | 1983-04-19 | 1983-04-19 | Hot water feeder |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS59195049A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4779260B2 (en) * | 2001-01-29 | 2011-09-28 | 株式会社デンソー | Heat supply device and water heater |
| JP2008249274A (en) * | 2007-03-30 | 2008-10-16 | Nippon Oil Corp | Hot water supply system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5849848A (en) * | 1981-09-18 | 1983-03-24 | Sanyo Electric Co Ltd | Hot water supply device |
| JPS58123047A (en) * | 1982-01-14 | 1983-07-22 | Matsushita Electric Ind Co Ltd | Heat pump type hot water supplier |
| JPS59145622U (en) * | 1983-03-22 | 1984-09-28 | 日立化成工業株式会社 | Heat pump hot water system |
-
1983
- 1983-04-19 JP JP58069666A patent/JPS59195049A/en active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS59195049A (en) | 1984-11-06 |
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