JPS62225849A - Controller of water heater - Google Patents
Controller of water heaterInfo
- Publication number
- JPS62225849A JPS62225849A JP61070259A JP7025986A JPS62225849A JP S62225849 A JPS62225849 A JP S62225849A JP 61070259 A JP61070259 A JP 61070259A JP 7025986 A JP7025986 A JP 7025986A JP S62225849 A JPS62225849 A JP S62225849A
- Authority
- JP
- Japan
- Prior art keywords
- hot water
- water
- heater
- temperature
- supply
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 173
- 238000009835 boiling Methods 0.000 claims description 10
- 238000001514 detection method Methods 0.000 claims description 2
- 239000008400 supply water Substances 0.000 abstract description 8
- 238000010438 heat treatment Methods 0.000 abstract 1
- 238000010586 diagram Methods 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 241000862969 Stella Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
Landscapes
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、ユーザー、からの要求湯量に応じて湯を沸
き上げろようにした温水器の制御装置に関するものであ
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a control device for a water heater that is capable of boiling water according to the amount of hot water requested by a user.
従来の先止め方式の貯湯式温水器を第４図の全体構成図
により説明する。A conventional hot water storage type water heater of the first stop type will be explained with reference to the overall configuration diagram of FIG. 4.
第４図において、１は貯湯タンクであり、その下部にヒ
ータ２が装着されている。In FIG. 4, 1 is a hot water storage tank, and a heater 2 is attached to the lower part of the tank.
３は貯湯タンク１内の湯温を測定する湯温センサであり
、貯湯タンク１の下部壁面の所定位置に取り付けられて
いる。Reference numeral 3 denotes a hot water temperature sensor that measures the temperature of hot water in the hot water storage tank 1, and is attached to a predetermined position on the lower wall surface of the hot water storage tank 1.
４は貯湯タンク１内で沸き上がった湯を取９出す給湯管
で、給湯栓４ａを設けである。Reference numeral 4 denotes a hot water supply pipe that takes out hot water that has been boiled in the hot water storage tank 1, and is provided with a hot water tap 4a.
６はユーザーが翌日使用する湯温を予め設定する要求湯
量設定手段であり、７は前記湯温センサ３からの検出出
力と、前記要求湯量設定手段Ｂの出力信号に基づいて所
定の演算処理を行い沸き上げ温度を算出する演算手段で
あり、８はヒータ２への通電を制御するヒータ制御手段
である。Reference numeral 6 denotes a required hot water amount setting means for presetting the hot water temperature to be used the next day by the user, and 7 performs a predetermined calculation process based on the detection output from the hot water temperature sensor 3 and the output signal of the required hot water amount setting means B. 8 is a calculation means for calculating the boiling temperature, and 8 is a heater control means for controlling energization to the heater 2.
次に動作について説明する。Next, the operation will be explained.
要求湯量設定手段６でユーザーから要求湯量の設定が行
われると、演算手段フは設定された要求手段８によって
ヒータ２への通電が開始される。When the user sets the required hot water amount using the required hot water amount setting means 6, the calculation means 5 starts energizing the heater 2 by the set requesting means 8.
貯湯タンク１内の湯温が前記演算手段７で算出された沸
き上げ湯温に達すると、湯温センサ３がこれを検出して
ヒータ２への通電を停止するようにヒータ制御手段８が
制御されろ。When the hot water temperature in the hot water storage tank 1 reaches the boiling water temperature calculated by the calculation means 7, the hot water temperature sensor 3 detects this and the heater control means 8 controls the heater 2 so that it stops energizing it. Be it.
すなわち、ヒータ２は、ユーザーの設定した要求湯量に
応じて、それに相当する熱量が貯湯タンク１内の湯に貯
えられるように制御される。That is, the heater 2 is controlled so that the amount of heat corresponding to the required amount of hot water set by the user is stored in the hot water in the hot water storage tank 1.
よって、貯湯タンク１内の沸き上がり湯温は、要求湯量
によって変化するものである。Therefore, the boiling water temperature in the hot water storage tank 1 changes depending on the required amount of hot water.
上記のように、従来の先止め方式の貯湯式渇水器は、沸
き上げ温度を変化させて、貯湯能力を調整する湯温制御
方式であゆ、要求される給湯負荷が少ない場合は沸き上
げ温度を低くする必要があった。As mentioned above, conventional pre-stop hot water storage type water dryers use a hot water temperature control method that adjusts the hot water storage capacity by changing the boiling temperature. It needed to be lower.
従って、お湯として使用する時は、あまり湯温を下げる
と足し湯などができなくなり、使用勝手上不便で、最低
保証温度以上に沸き上げる必要があり、貯湯能力の下限
側の調整には限界があるという問題点があった。Therefore, when using hot water, if you lower the water temperature too much, you will not be able to replenish the water, making it inconvenient to use, and you will need to boil it above the minimum guaranteed temperature, and there is a limit to adjusting the lower limit of hot water storage capacity. There was a problem.
この発明はこれら従来の問題点を解消するためになされ
たもので、沸き上げ温度を一定に保持さながら湯量を制
御し、必要な湯量が高温でほぼ零から満水状態まで広範
囲に調整でき、さらに給水しても最低湯温を保証しなが
ら湯量を増やしていける温水器の制御装置を得ることを
目的とする。This invention was made to solve these conventional problems. It controls the amount of hot water while keeping the boiling temperature constant, and allows the amount of hot water required to be adjusted over a wide range from almost zero to full at high temperatures. To provide a control device for a water heater that can increase the amount of hot water while guaranteeing the minimum hot water temperature.
この発明に係わる温水器の制御装置は、電動弁を介して
貯湯タンクの下部より給水した水をヒータにより加熱し
、貯湯タンクの下部から湯を取り出して使用するように
した温水器において、水温を検出する水温センと、湯温
を検出する湯温センサと、湯温判定手段と、要求湯量を
設定する要求湯量設定手段と、前記各センサ及び要求湯
量設定手段で設定された要求湯量に基づいて所定の演算
を実行する演算手段と、ヒータを制御するヒータ制御手
段と、電動弁を開閉制御する給水制御手段と、前記演算
手段で算出した結果に基づき前記ヒータ制御手段と給水
制御手段を制御するタイマー装置とを設けたものである
。The water heater control device according to the present invention is a water heater that uses a heater to heat water supplied from the lower part of a hot water storage tank via an electric valve, and then takes out hot water from the lower part of the hot water storage tank for use. A water temperature sensor for detecting water temperature, a water temperature sensor for detecting hot water temperature, a hot water temperature determination means, a required hot water amount setting means for setting the required hot water amount, and based on the required hot water amount set by each of the sensors and the required hot water amount setting means. a calculation means for executing a predetermined calculation; a heater control means for controlling the heater; a water supply control means for controlling the opening and closing of the electric valve; and controlling the heater control means and the water supply control means based on the results calculated by the calculation means. It is equipped with a timer device.
この発明においては、要求湯量設定手段により設定され
る要求湯量に基づいて給水量が演算され、ざらに給水時
間、通電時間、通電開始時間が演算され、その演算結果
に基づいてタイマー装置はヒータ制御手段と給水制御手
段を制御する。In this invention, the water supply amount is calculated based on the required hot water amount set by the required hot water amount setting means, and the water supply time, energization time, and energization start time are roughly calculated, and the timer device controls the heater based on the calculation results. Control means and water supply control means.
また、給水時は湯温判定手段の出力によって最低湯温が
保証される。Furthermore, when water is supplied, the lowest water temperature is guaranteed by the output of the hot water temperature determination means.
以下、この発明による温水器の制御装置を説明する。 Hereinafter, a water heater control device according to the present invention will be explained.
第１図はこの発明による一実施例の全体構成図であり、
１０は開放式の貯湯タンクであり、２゜３．４，５，８
，８は上記従来装置と全く同一構成のものである。FIG. 1 is an overall configuration diagram of an embodiment according to the present invention.
10 is an open hot water storage tank, 2゜3.4, 5, 8
, 8 have exactly the same configuration as the conventional device described above.
１１は給水を制御する電動弁、１２は一定流量で水を供
給するための流量調整弁、１３は給水水温を検出するた
めの水温センサ、１４は給湯ポンプ、１５は湯温センサ
３の出力信号と予め設定された温度とを比較判定するａ
Ｓ判定手段、１６は電動弁１１を開閉制御する給水制御
手段、１７は前記要求湯量設定手段６と水温センサ１３
と湯温センサ３の出力信号に基づいて沸き上げに必要な
通電時間、通電開始時刻、残湯量、給水時間を演算する
演算手段、１８はこの演算手段で算出された通電時間、
通電開始時間、及び給水時間を制御するタイマー装置で
ある。11 is an electric valve that controls water supply; 12 is a flow rate adjustment valve that supplies water at a constant flow rate; 13 is a water temperature sensor that detects the temperature of the water supply; 14 is a hot water supply pump; and 15 is an output signal of the hot water temperature sensor 3. Comparing and determining the temperature with a preset temperature a
16 is a water supply control means for controlling the opening and closing of the electric valve 11; 17 is the required hot water amount setting means 6 and the water temperature sensor 13;
and a calculation means for calculating the energization time required for boiling, the energization start time, the remaining amount of hot water, and the water supply time based on the output signal of the water temperature sensor 3; 18 is the energization time calculated by this calculation means;
This is a timer device that controls the energization start time and water supply time.
第２図は第１図の実施例の電気接続を示す回路図である
。FIG. 2 is a circuit diagram showing the electrical connections of the embodiment of FIG. 1.
図におい−ｃ、２０は制御ｔｉＩＦＲ５内のマイクロコ
ンピュータであり、ＣＰＵ２１ 、メモリ２２、計時装
置２３、入力回路２４、出力回路２５、アナログマルチ
プレクサ２Ｇ、Ａ／Ｄ変換器２７を有している。In the figure, reference numeral 20 indicates a microcomputer in the control tiIFR 5, which includes a CPU 21, a memory 22, a clock device 23, an input circuit 24, an output circuit 25, an analog multiplexer 2G, and an A/D converter 27.
２８は電動弁制御回路で、抵抗２９、トランジスタ３０
、リレー■ｔＬ１、リレーＲＬ 、の常開接点「２．か
ら形成される。28 is an electric valve control circuit, which includes a resistor 29 and a transistor 30.
, relay ■tL1, and relay RL are formed from the normally open contacts "2.".
前記リレーＲＬ、はトランジスタ３０を介して正極端子
十ＶとＧＮＤ端子の間に接続され、前記トランジスタ３
０は抵抗２９を介して出力口ｌｌ５２５に接続されてい
る。The relay RL is connected between the positive terminal 1V and the GND terminal via the transistor 30.
0 is connected to the output port ll525 via the resistor 29.
前記常開接点ｒｊｌは前記電動弁１１と電源３１に対し
て直列に接続されている。The normally open contact rjl is connected in series to the electric valve 11 and the power source 31.
３２はヒータ制御回路で、抵抗３３、トランジスタ３４
、リレーＲＬ、、リレーＲＬｌｌの常開接点ｒ１！２か
ら形成される。32 is a heater control circuit, which includes a resistor 33 and a transistor 34.
, relay RL, and the normally open contacts r1!2 of relay RLll.
前記リレーＲＬ、はトランジスタ３４を介して正極端子
十ＶとＧＮＤ端子の間に接続され、前記トランジスタ３
４は抵抗３３を介して出力回路２５に接続されている。The relay RL is connected between the positive terminal 1V and the GND terminal via the transistor 34, and
4 is connected to the output circuit 25 via a resistor 33.
前記常開接点「１２は前記ヒータ２と電源３１に対して
直列に接続されている。The normally open contact "12" is connected in series to the heater 2 and the power source 31.
３５．３６は各温度センサ３，１３と直列に接続される
抵抗、３７は要求湯量設定手段７と直列に接続されろ抵
抗であり、これらの信号は前記アナログマルチプレクサ
２Ｇに送られる。35 and 36 are resistors connected in series with each of the temperature sensors 3 and 13, 37 is a resistor connected in series with the required hot water amount setting means 7, and these signals are sent to the analog multiplexer 2G.
次に上記実施例の動作を第３図を参照しながら説明する
。Next, the operation of the above embodiment will be explained with reference to FIG.
第３図は、マイクロコンビ二−タ２０のメモリ２２に記
憶された制御フローチャートである。FIG. 3 is a control flowchart stored in the memory 22 of the microcombinator 20.
まず、スタートど同時に第３図に示すステップ３８のタ
イムスイ・・・チＯＮ、ＯＦＦの確認が始まり、ＯＮで
制御動作に入る。次にステップ３日でタイマー装置１８
のタイマーをスタートする。次にステラ＝ｊ４０で給水
水温′ｒｗを測定する。次にステップ４１でユーザーの
要求湯量Ｖｌと要求温度Ｔｌを′ａ認する。これを基に
ステップ４２で通電時間Ｈｔを演算する１、この通電時
間Ｈｔは次式％式％
ここで、Ｗはに一夕容凰、８６０はＩ ＫＷＩ（当たり
の発熱量である。First, at the same time as the start, confirmation of whether the time switch is ON or OFF starts in step 38 shown in FIG. 3, and when the time switch is ON, control operation begins. Next, in step 3, the timer device 18
Start the timer. Next, the feed water temperature 'rw is measured with Stella=j40. Next, in step 41, the user's requested hot water amount Vl and requested temperature Tl are verified. Based on this, the energization time Ht is calculated in step 42. The energization time Ht is calculated using the following formula (%) where W is the amount of heat per night, and 860 is the amount of heat generated per unit.
ヒータ２の電源を深夜電力とすると、供給時間は８時間
であり、ステップ４３出はタイムスイッチがＯＮＬ、て
から何時間後に通電を開始するかをＨ＝８−Ｈｔで求め
る。この結果を基にステップ４４で、既にステップ３９
でスタートしたタイマーが時間Ｈ経過して通電開始時刻
に達したかを確認する。If the heater 2 is powered by late-night power, the supply time is 8 hours, and in step 43, the number of hours after the time switch is set to ONL to start energization is determined by H=8-Ht. Based on this result, in step 44, the
Check whether the timer started has reached the energization start time after the time H has elapsed.
次にステップ４５では、この時の湯温ＴｚＪ＆！測定し
、ステップ４６で測定温ｆｉＴｚが予め決められている
基準温度（例えば給水水温は一般に３０℃以下であり、
基準温度を３０℃とする）より高いか低いかで残湯があ
るかどうかの判定を行う。Next, in step 45, the water temperature at this time TzJ&! In step 46, the measured temperature fiTz is set to a predetermined reference temperature (for example, the feed water temperature is generally below 30°C,
It is determined whether there is any remaining hot water based on whether it is higher or lower than the standard temperature (30°C).
測定湯温Ｔｚが基準温度より高ければ、ステップ４７で
ヒータ２をＯＮし、同時に通電タイマーをスタートさせ
る（ステップ４８）。If the measured hot water temperature Tz is higher than the reference temperature, the heater 2 is turned on in step 47, and at the same time, the energization timer is started (step 48).
ステップ４９では、タンク１内の湯温が一定温度（例え
ば３℃）上昇したかを判定し、一定温度上昇したらステ
ップ５０で通電夕・ｆマーを止め、ヒータ２を０ＦＦＬ
、ステップ５１で残湯量Ｖｚの演算を行う。残湯、ｔＶ
ｚは次時で求められる。In step 49, it is determined whether the water temperature in the tank 1 has risen by a certain temperature (for example, 3 degrees Celsius), and if the temperature has risen by a certain degree, in step 50, the energization and f-mers are stopped, and the heater 2 is set to 0FFL.
, in step 51, the remaining hot water amount Vz is calculated. Remaining hot water, tV
z can be found at the following times.
ことで、Ｈは残湯の温度が一定温度上昇するのに費やす
時間であり、３は一定温度上昇値の３℃を示す。Therefore, H is the time required for the temperature of the remaining hot water to rise to a certain level, and 3 indicates the constant temperature rise value of 3°C.
次にステップ５２で給水ｔＶＱｅ演算する。すなわち、
残湯がある場合は、次式で求められ、５−Ｔｗ
残湯がない場合は、
８５−Ｔ＼マ
である。前記流量調整弁１２は、一定の流速で給水でき
るものとし、流速をｖｅとすると、ステップ５３では、
前記給水量ＶＱを貯湯タンク１に給水するための時間ｔ
を演算する。Next, in step 52, the water supply tVQe is calculated. That is,
If there is residual hot water, it is calculated using the following formula, 5-Tw, and if there is no residual hot water, it is 85-T\ma. It is assumed that the flow rate regulating valve 12 can supply water at a constant flow rate, and if the flow rate is ve, then in step 53,
Time t for supplying the water supply amount VQ to the hot water storage tank 1
Calculate.
Ｌ＝ＶＱ／Ｖａ
次に、ステップ５４で再び湯温Ｔンを測定し、ステ９プ
５５で前記ステップ４６同様、残湯があるかどうかの確
認を行う。残湯がある場合、ステップ５εで湯温Ｔａが
５５℃未満かどうかの判定をし、５５℃未満ならステッ
プ５７で給水を停止すると同時にステップ５８で給水タ
イマーを停止する。L=VQ/Va Next, in step 54, the hot water temperature T is measured again, and in step 55, as in step 46, it is checked whether there is any remaining hot water. If there is remaining hot water, it is determined in step 5ε whether the hot water temperature Ta is less than 55°C, and if it is less than 55°C, the water supply is stopped in step 57, and at the same time, the water supply timer is stopped in step 58.
次にステップ５９でヒータ２への通電をする。Next, in step 59, the heater 2 is energized.
前記ステップ５５で残湯なしの判定、又は前記ステップ
５６で湯Ｑ Ｔ ＊が５５℃以上の場合については、ス
テップ６０で給水を開始し、ステップ６１で給水タイマ
ーをスタートさせる。そして、前記ステップ５９でヒー
タ２をＯＮ ＋、 、ステップ８２で給水タイマーが、
前記ステップ５３で演算した給水時間に到達したかどう
かの判定をし、到達したら、ステップ６３で８５℃まで
の沸き上げを行う。前記ステップ６２で給水時間が経過
していなければ、前記ステップ５４から再度繰り返す。If it is determined in step 55 that there is no hot water remaining, or if the hot water Q T * is 55° C. or higher in step 56, water supply is started in step 60, and a water supply timer is started in step 61. Then, in step 59, the heater 2 is turned on, and in step 82, the water supply timer is turned on.
It is determined whether the water supply time calculated in step 53 has been reached, and if the time has been reached, the water is heated to 85° C. in step 63. If the water supply time has not elapsed in step 62, the process is repeated from step 54.
前記ステップ６３で湯温Ｔ［−が８５℃に到達した時点
で、ヒータ２をＯＦＦ （ステップ６４）を実行し、制
御が終了する。When the water temperature T [- reaches 85° C. in step 63, the heater 2 is turned off (step 64), and the control ends.
〔発明の効果」
以上のように、この発明によれば、沸き上げ湯量に制限
がなく、はぼ零から満水状態まで貯湯能力がｉｉＩ！Ｊ
整できるとともに、常に所定の高温湯に沸き上げるので
、足し湯にも便利となり、また、最低ｔ！：Ｊ’ｄ２を
保証しながら給水を行って場景を増していく沸き上げ方
式のため、深夜の通電時間中でもお湯が債え石などの利
点がある。[Effects of the Invention] As described above, according to this invention, there is no limit to the amount of boiling water, and the hot water storage capacity is iii! from zero to full! J
In addition to being able to adjust the temperature, the water is always boiled to the specified high temperature, making it convenient for adding hot water. : Since it is a boiling method that increases the scene by supplying water while guaranteeing J'd2, it has the advantage of providing hot water even when the electricity is on late at night.
第１図はこの発明の一実施例を示す全体構成図、第２図
は主要電気回路図、第３図は動作を示す制御フローチャ
ート、第４図は従来の貯湯式渇水器を示す概略構成図で
ある。
図中、１０は貯湯タンク、２はヒータ、３は水温センサ
、６は要求湯量設定手段、８はヒータ制押手段、１１は
電動弁、１３は湯温センサ、１５は湯温判定手段、ＩＢ
は給水刷部手段、１）は演算手段、１８はタイマー装置
である。
代理人 大 岩 増 雄（外２名）
ｔ＼ ｋｋFig. 1 is an overall configuration diagram showing an embodiment of the present invention, Fig. 2 is a main electric circuit diagram, Fig. 3 is a control flow chart showing the operation, and Fig. 4 is a schematic configuration diagram showing a conventional hot water storage type water heater. It is. In the figure, 10 is a hot water storage tank, 2 is a heater, 3 is a water temperature sensor, 6 is a required hot water amount setting means, 8 is a heater control means, 11 is an electric valve, 13 is a hot water temperature sensor, 15 is a hot water temperature determining means, IB
1) is a water supply unit means, 1) is a calculation means, and 18 is a timer device. Agent Masuo Oiwa (2 others) t＼kk
Claims (2)
をヒータにより加熱して貯湯し、貯湯タンク下部から湯
を取り出して使用する温水器において、水温を検出する
水温センサと、貯湯タンク内の湯温を検出する湯温セン
サと、この湯温センサの検出値と予め記憶された温度と
比較判定する湯温判定手段と、要求湯量を設定する要求
湯量設定手段と、前記各センサの検出値と要求湯量設定
手段の出力から沸き上げに必要な通電時間、通電開始時
刻、残湯量、給水時間を演算する演算手段と、前記ヒー
タへの通電を制御するヒータ制御手段と、前記電動弁を
開閉制御する給水制御手段と、前記演算手段での演算結
果に基づいて給水時間、通電時間及び通電開始時刻を制
限するタイマー装置とを備えてなる温水器の制御装置。(1) In a water heater that uses a heater to heat water that is supplied from the bottom of the hot water storage tank via an electric valve and stores the hot water, and uses the hot water taken out from the bottom of the hot water storage tank, a water temperature sensor that detects the water temperature and a water temperature sensor inside the hot water storage tank a hot water temperature sensor for detecting the hot water temperature, a hot water temperature determining means for comparing and determining the detected value of the hot water temperature sensor with a pre-stored temperature, a required hot water amount setting means for setting the required hot water amount, and the detection of each of the sensors. a calculation means for calculating the energization time necessary for boiling, energization start time, remaining hot water amount, and water supply time from the value and the output of the required hot water amount setting means; a heater control means for controlling energization to the heater; A water heater control device comprising a water supply control means for controlling opening and closing, and a timer device for limiting water supply time, energization time and energization start time based on the calculation result of the calculation means.
降下が一定温度以下にならないようにヒータ制御手段と
給水制御手段を制御するようにしたことを特徴とする特
許請求の範囲第（１）項記載の温水器の制御装置。(2) The heater control means and the water supply control means are controlled so that the hot water temperature drop due to water supply does not fall below a certain temperature based on the output of the hot water temperature determination means. A water heater control device as described in Section 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61070259A JPS62225849A (en) | 1986-03-28 | 1986-03-28 | Controller of water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP61070259A JPS62225849A (en) | 1986-03-28 | 1986-03-28 | Controller of water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62225849A true JPS62225849A (en) | 1987-10-03 |
| JPH0425461B2 JPH0425461B2 (en) | 1992-04-30 |
Family
ID=13426364
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP61070259A Granted JPS62225849A (en) | 1986-03-28 | 1986-03-28 | Controller of water heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62225849A (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60235946A (en) * | 1984-05-10 | 1985-11-22 | Matsushita Electric Ind Co Ltd | Electric water heater |
-
1986
- 1986-03-28 JP JP61070259A patent/JPS62225849A/en active Granted
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS60235946A (en) * | 1984-05-10 | 1985-11-22 | Matsushita Electric Ind Co Ltd | Electric water heater |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0425461B2 (en) | 1992-04-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS647294B2 (en) | ||
| JPS62225849A (en) | Controller of water heater | |
| JPS62225850A (en) | Controller of water heater | |
| JPH0827028B2 (en) | Method for setting average value of supply temperature of heating medium and circuit for implementing this method | |
| JPS62258956A (en) | Controller for water heater | |
| JPS61110840A (en) | Controlling device for electric water heater | |
| JPS6030943A (en) | Control device of hot-water storage type electric hot-water heater | |
| JPS6030930A (en) | Control device for hot water storage type electric water heater | |
| JPS647295B2 (en) | ||
| JPS61125542A (en) | Control device for electric water heater | |
| JPS6186531A (en) | Control device for electric water heater | |
| JPH1137554A (en) | Combustion equipment | |
| JP3331166B2 (en) | Water heater | |
| JPH02166347A (en) | Boiling control device for electrical hot water heater and boiling-up controlling method | |
| JPS647297B2 (en) | ||
| JP2524029B2 (en) | Hot water supply device for bathtub | |
| JPS647299B2 (en) | ||
| JPH1026416A (en) | Bath burner with hot water feeder | |
| JPH026980B2 (en) | ||
| JPH028224B2 (en) | ||
| JPH028225B2 (en) | ||
| JPS6030938A (en) | Control device of hot-water storage type electric hot- water heater | |
| JPS6176845A (en) | Control device for electric water heater | |
| JPH0413617B2 (en) | ||
| JPS647300B2 (en) |