JP2560943B2 - How to adjust the secondary pressure of the water heater - Google Patents
How to adjust the secondary pressure of the water heaterInfo
- Publication number
- JP2560943B2 JP2560943B2 JP4042096A JP4209692A JP2560943B2 JP 2560943 B2 JP2560943 B2 JP 2560943B2 JP 4042096 A JP4042096 A JP 4042096A JP 4209692 A JP4209692 A JP 4209692A JP 2560943 B2 JP2560943 B2 JP 2560943B2
- Authority
- JP
- Japan
- Prior art keywords
- secondary pressure
- water
- bypass
- valve
- solenoid valve
- 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 - Fee Related
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2233/00—Ventilators
- F23N2233/06—Ventilators at the air intake
- F23N2233/08—Ventilators at the air intake with variable speed
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/14—Fuel valves electromagnetically operated
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/16—Fuel valves variable flow or proportional valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2235/00—Valves, nozzles or pumps
- F23N2235/12—Fuel valves
- F23N2235/18—Groups of two or more valves
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N2237/00—Controlling
- F23N2237/02—Controlling two or more burners
Landscapes
- Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)
- Control Of Combustion (AREA)
Description
【０００１】[0001]
【産業上の利用分野】本発明は、熱交換器をバイパスす
るバイパス路と、ガス比例制御弁とを備えた給湯器にお
いて、ガス比例制御弁の最大二次圧を調整する給湯器の
二次圧調整方法に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a water heater having a bypass passage for bypassing a heat exchanger and a gas proportional control valve, and a secondary water heater for adjusting the maximum secondary pressure of the gas proportional control valve. Regarding pressure adjustment method.
【０００２】[0002]
【従来の技術】従来、ガスバーナのガス供給路にガス比
例制御弁を設け、ガス量演算器が温度設定器と温度検出
器からの信号に基づいて必要ガス量を算出し、この算出
された必要ガス量に応じた電圧信号を上記ガス比例制御
弁に出力し、ガス比例制御弁の二次圧即ちガス供給量を
調整する給湯器が知られている。このような給湯器は設
置施工後に、給湯栓を開いて通水し、点火して出湯試運
転を行いつつ、ガス量演算器に設けられた最大二次圧調
整用可変抵抗器及び最小二次圧調整用可変抵抗器を調節
してガス比例制御弁の最大二次圧及び最小二次圧を調整
する作業が必要であり、例えば、最大二次圧の調整作業
においては、作業者が最大二次圧設定用スイッチを投入
して強制的に最大燃焼させ、二次圧を測定しながら最大
二次圧調整用可変抵抗器を調節して定格の最大二次圧に
調整していた（特開昭62−155434号公報参照）。2. Description of the Related Art Conventionally, a gas proportional control valve is provided in a gas supply passage of a gas burner, and a gas amount calculator calculates a required gas amount based on signals from a temperature setter and a temperature detector. There is known a water heater which outputs a voltage signal according to the gas amount to the gas proportional control valve to adjust the secondary pressure of the gas proportional control valve, that is, the gas supply amount. After installation and installation of such a water heater, open the hot water tap to pass water, ignite, and perform a hot water discharge trial operation, while adjusting the maximum secondary pressure adjusting variable resistor and the minimum secondary pressure installed in the gas amount calculator. It is necessary to adjust the maximum secondary pressure and the minimum secondary pressure of the gas proportional control valve by adjusting the variable resistor for adjustment. The pressure setting switch was turned on to compulsorily maximize the combustion, and while measuring the secondary pressure, the variable resistor for adjusting the maximum secondary pressure was adjusted to the rated maximum secondary pressure. 62-155434).
【０００３】[0003]
【発明が解決しようとする課題】しかしながら、上記従
来の給湯器の二次圧調整方法は、熱交換器をバイパスす
るバイパス路を備えた給湯器において、出湯試運転時の
設定温度に応じてバイパス路に設けたバイパス電磁弁を
開放（設定温度低）、またはバイパス電磁弁を閉止（設
定温度高）して出湯試運転を行うものであり、出湯試運
転時には出湯温度に基づくフィードバック制御を行わな
いから、バイパス電磁弁開（設定温度低）で出湯試運転
を行うと、熱交換器内を流れる缶体通水量が不足し、熱
交換器内で沸騰する恐れがあるという問題があった。However, the above-mentioned conventional method for adjusting the secondary pressure of the water heater is a water heater having a bypass passage bypassing the heat exchanger, and the bypass passage is adjusted according to the set temperature during the hot water discharge trial operation. The bypass solenoid valve provided in the is opened (set temperature is low) or the bypass solenoid valve is closed (set temperature is high) to perform tap water trial operation. Feedback control based on tap temperature is not performed during tap hot water trial operation. When the hot water discharge test operation is performed with the solenoid valve open (low set temperature), there is a problem that the amount of water flowing through the heat exchanger is insufficient and there is a risk of boiling in the heat exchanger.
【０００４】本発明の目的は、熱交換器をバイパスする
バイパス路と、ガス比例制御弁とを備えた給湯器におい
て、熱交換器内で沸騰する恐れなくガス比例制御弁の最
大二次圧を調整することのできる給湯器の二次圧調整方
法を提供することである。An object of the present invention is to provide a water heater having a bypass passage for bypassing a heat exchanger and a gas proportional control valve so as to control the maximum secondary pressure of the gas proportional control valve without fear of boiling in the heat exchanger. An object of the present invention is to provide a method for adjusting the secondary pressure of a water heater that can be adjusted.
【０００５】[0005]
【課題を解決するための手段】上記目的を達成するため
に本発明の給湯器の二次圧調整方法は、熱交換器と、熱
交換器をバイパスするバイパス路と、バイパス路に設け
られたバイパス電磁弁と、熱交換器出口側におけるバイ
パス路の合流部よりも下流側に設けられた水量サーボ弁
とを備えて成る給湯器において、設置時に行われる二次
圧調整作業の際に、出湯試運転時に最大二次圧設定用ス
イッチを投入すると、ガスバーナを最大能力で燃焼させ
ると同時に、水量サーボ弁を全開とし、バイパス電磁弁
を閉じるものであり、出湯温度に基づくフィードバック
制御を行わない出湯試運転時に、設定温度の高低に関わ
りなく、熱交換器内での沸騰を防止することができる。In order to achieve the above object, the method for adjusting the secondary pressure of a water heater according to the present invention is provided in a heat exchanger, a bypass passage bypassing the heat exchanger, and a bypass passage. Bypass solenoid valve and bypass on the outlet side of the heat exchanger
Water volume servo valve provided downstream of the confluence of the path
In a water heater equipped with and, during the secondary pressure adjustment work performed at the time of installation, if the maximum secondary pressure setting switch is turned on during the hot water discharge test operation, the gas burner will burn at its maximum capacity and the water volume servo valve will be activated at the same time. Since the bypass solenoid valve is fully opened , the boiling in the heat exchanger can be prevented during the tapping test operation in which the feedback control based on the tapping temperature is not performed, regardless of the set temperature.
【０００６】[0006]
【実施例】本発明の実施例を図に基づいて説明すると、
図１において、給湯器１００は、熱交換器１の入口側に
入水路２が、出口側に出湯路３が接続され、熱交換器１
をバイパスして入水路２と出湯路３を連通させるバイパ
ス路４が設けられ、入水路２のバイパス路４分岐部と熱
交換器１との間に設けられた缶体入水電磁弁５と、バイ
パス路４にバイパス電磁弁６と、バイパス路４の合流部
よりも下流側の出湯路３に設けられた水量サーボ弁７
と、入水路２のバイパス路４分岐部よりも上流側に設け
られた全通水量ＱT を検出する水量センサ８及び入水温
度ＴC を検出する入水温度センサ９と、入水路２のバイ
パス路４分岐部と熱交換器１との間に設けられた缶体通
水量ＱH を検出する水量センサ１０と、バイパス路４の
合流部よりも下流側の出湯路３に設けられ、熱交換器１
からの高温湯とバイパス路４からの冷水とが混合された
後の出湯温度ＴO を検出する出湯温度センサ１１とを備
えている。DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described with reference to the drawings.
In FIG. 1, a water heater 100 has a heat exchanger 1 having an inlet side connected to a water inlet 2 and an outlet side connected to a hot water outlet 3.
A bypass passage 4 for connecting the water inlet passage 2 and the hot water outlet passage 3 by bypassing, and a can body water inlet solenoid valve 5 provided between the bypass passage 4 branch portion of the water inlet passage 2 and the heat exchanger 1, The bypass solenoid valve 6 is provided in the bypass passage 4, and the water amount servo valve 7 provided in the hot water outlet passage 3 on the downstream side of the joining portion of the bypass passage 4.
A water quantity sensor 8 for detecting the total water flow rate Q T and an incoming water temperature sensor 9 for detecting the incoming water temperature T C, which are provided on the upstream side of the bypass passage 4 branch portion of the incoming water passage 2, and a bypass passage for the incoming water passage 2. The water amount sensor 10 for detecting the water flow rate Q H of the can body provided between the four branch portions and the heat exchanger 1, and the hot water passage 3 provided downstream of the confluence portion of the bypass passage 4 with the heat exchanger. 1
A hot water outlet temperature sensor 11 for detecting a hot water outlet temperature T O after the high temperature hot water from and the cold water from the bypass 4 are mixed.
【０００７】ガスバーナ１２は燃焼管の燃焼本数が切り
替えられる能力切替式であり、ガスバーナ１２に接続さ
れたガス供給路１３に、燃焼管の燃焼本数を切り替える
能力切替弁１４と、供給電圧に応じて二次圧を調整する
ガス比例制御弁１５と、元電磁弁１６とが設けられてい
る。The gas burner 12 is of a capacity switching type in which the number of combustion tubes can be switched, and a gas supply passage 13 connected to the gas burner 12 has a capacity switching valve 14 for switching the number of combustion tubes and a supply voltage according to the supply voltage. A gas proportional control valve 15 for adjusting the secondary pressure and a source solenoid valve 16 are provided.
【０００８】ガスバーナ１２の下方にファン回転数セン
サ１８を備えた燃焼用ファン１７が設けられ、ガスバー
ナ１２の上方にイグナイタ２０に接続された点火プラグ
１９と、フレームロッド２１とが設けられている。ま
た、熱交換器１の入口近傍に缶体入口温度センサ２２を
設け、熱交換器１の高温部付近に残火安全装置２３及び
過熱防止装置２４が設けられている。なお、２５は水抜
き栓、２６は圧力逃がし弁兼水抜き弁、２７は凍結予防
ヒータである。A combustion fan 17 having a fan rotation speed sensor 18 is provided below the gas burner 12, and an ignition plug 19 connected to an igniter 20 and a frame rod 21 are provided above the gas burner 12. Further, a can body inlet temperature sensor 22 is provided near the inlet of the heat exchanger 1, and an afterglow safety device 23 and an overheat prevention device 24 are provided near the high temperature portion of the heat exchanger 1. In addition, 25 is a drain plug, 26 is a pressure relief valve and a drain valve, and 27 is a freeze prevention heater.
【０００９】上記全通水量ＱT 、入水温度ＴC 、缶体通
水量ＱH 、出湯温度ＴO 、ファン回転数センサ１８、フ
レームロッド２１等の各検出信号が入力され、設定温度
ＴSに基づいて缶体入水電磁弁５、バイパス電磁弁６、
水量サーボ弁７、能力切替弁１４、ガス比例制御弁１
５、元電磁弁１６、イグナイタ２０等に制御信号を出力
するマイクロコンピュータを用いたコントローラ３０が
設けられており、該コントローラ３０はガス量演算機能
を備えている。The detection signals of the total water flow rate Q T , the incoming water temperature T C , the can body water flow rate Q H , the hot water discharge temperature T O , the fan rotation speed sensor 18, the frame rod 21 and the like are input to the set temperature T S. Based on the can body water entry solenoid valve 5, bypass solenoid valve 6,
Water volume servo valve 7, capacity switching valve 14, gas proportional control valve 1
5, a controller 30 using a microcomputer that outputs a control signal to the original solenoid valve 16, the igniter 20, etc. is provided, and the controller 30 has a gas amount calculation function.
【００１０】給湯器１００を設置する際に、施工直後に
給湯栓を開いて通水し、点火して出湯試運転を行いつ
つ、コントローラ３０に設けられた最大二次圧調整用可
変抵抗器及び最小二次圧調整用可変抵抗器を調節してガ
ス比例制御弁１５の最大二次圧及び最小二次圧を調整す
るものであり、最大二次圧の調整作業においては、コン
トローラ３０に設けられた最大二次圧設定用スイッチ
（または能力大スイッチ）を投入すると、能力切替弁１
４が全開となって最大能力（最大ガス圧）即ち燃焼本数
を最大（全燃焼管を燃焼させる）とし、燃焼用ファン１
７が最大回転数で駆動されて最大燃焼を行い、水量サー
ボ弁７が全開、出湯試運転時の設定温度に関係なくバイ
パス電磁弁６が閉となり、二次圧を測定しながら最大二
次圧調整用可変抵抗器を調節して定格の最大二次圧に調
整する。When the water heater 100 is installed, the hot water tap is opened immediately after construction to allow water to pass through and ignite to perform a hot water discharge trial operation, while the maximum secondary pressure adjusting variable resistor and the minimum resistor provided in the controller 30 are set. The variable secondary pressure adjusting resistor is adjusted to adjust the maximum secondary pressure and the minimum secondary pressure of the gas proportional control valve 15, and the controller 30 is provided for adjusting the maximum secondary pressure. When the maximum secondary pressure setting switch (or large capacity switch) is turned on, the capacity switching valve 1
When 4 is fully opened, the maximum capacity (maximum gas pressure), that is, the maximum number of combustion lines (combust all combustion tubes),
7 is driven at the maximum rotation speed to perform maximum combustion, the water volume servo valve 7 is fully opened, the bypass solenoid valve 6 is closed regardless of the set temperature during the hot water discharge test operation, and the maximum secondary pressure is adjusted while measuring the secondary pressure. Adjust the variable resistor for adjustment to the maximum rated secondary pressure.
【００１１】また、最小二次圧調整作業においては、最
小二次圧設定用スイッチ（または能力小スイッチ）を投
入すると、能力切替弁１４が最小能力（最小ガス圧）即
ち燃焼本数を最小にし、燃焼用ファン１７が最小回転数
で駆動されて最小燃焼を行い、水量サーボ弁７が全開、
バイパス電磁弁６が閉となり、二次圧を測定しながら最
小二次圧調整用可変抵抗器を調節して定格の最小二次圧
に調整する。In the minimum secondary pressure adjusting work, when the minimum secondary pressure setting switch (or small capacity switch) is turned on, the capacity switching valve 14 minimizes the minimum capacity (minimum gas pressure), that is, the number of combustion lines. The combustion fan 17 is driven at the minimum speed to perform the minimum combustion, and the water amount servo valve 7 is fully opened.
Bypass solenoid valve 6 is closed, and while measuring the secondary pressure, the minimum secondary pressure adjusting variable resistor is adjusted to the rated minimum secondary pressure.
【００１２】さらに、二次圧調整後の給湯器100 の通常
の制御動作を説明すると、使用開始前の初期状態におい
ては、缶体入水電磁弁５は閉じられ、バイパス電磁弁６
は開かれ、出湯路３に接続された給湯栓（図示せず）を
開いて出湯を開始すると、水量センサ８が検出する全通
水量ＱT がＭＯＱ（最低必要通水量、例えば、3.5 l/mi
n.）を超えた時点で缶体入水電磁弁５が開き、水量セン
サ１０が検出する缶体通水量ＱH がＭＯＱを超えると、
バーナ１２の着火動作が開始され、燃焼用ファン１７の
運転（プリパージ運転）が開始され、所定のプリパージ
時間ＴPR経過後に、能力切替弁１４が開かれ、イグナイ
タ２０が作動してバーナ１２が着火され、燃焼が開始さ
れる。この時バイパス電磁弁６は、設定温度ＴS が所定
値（例えば、50℃）以上の高温出湯時には閉じられ、設
定温度ＴS が所定値（50℃）未満の低温出湯時には開か
れる。Further, the normal control operation of the water heater 100 after the secondary pressure adjustment will be described. In the initial state before the start of use, the can body water inlet solenoid valve 5 is closed and the bypass solenoid valve 6 is closed.
When the hot water tap (not shown) connected to the hot water passage 3 is opened to start hot water, the total water flow rate Q T detected by the water flow rate sensor 8 is MOQ (minimum required water flow rate, for example, 3.5 l / mi
n.) is exceeded, the can body water entry solenoid valve 5 opens, and if the can body water flow rate Q H detected by the water amount sensor 10 exceeds MOQ,
The ignition operation of the burner 12 is started, the operation of the combustion fan 17 (pre-purge operation) is started, and after a predetermined pre-purge time T PR has passed, the capacity switching valve 14 is opened, the igniter 20 is operated, and the burner 12 is ignited. Then, the combustion is started. In this case the bypass solenoid valve 6, the set temperature T S is a predetermined value (e.g., 50 ° C.) closed at a high temperature above tapping, the set temperature T S is at low temperatures tapping less than a predetermined value (50 ° C.) is opened.
【００１３】給湯栓が閉じられると、全通水量ＱT がＭ
ＯＱ未満となったことを確認して能力切替弁１４が閉じ
られてバーナ１２が消火し、バイパス電磁弁６は開かれ
て初期状態に戻る。When the hot water tap is closed, the total water flow rate Q T is M
After confirming that the value is less than OQ, the capacity switching valve 14 is closed and the burner 12 is extinguished, and the bypass solenoid valve 6 is opened to return to the initial state.
【００１４】[0014]
【発明の効果】本発明は、上述のとおり構成されている
から、設置時に行われる二次圧調整作業の際に、最大二
次圧設定用スイッチを投入すると、ガスバーナを最大能
力で燃焼させると同時に、バイパス電磁弁を閉じるもの
であり、出湯温度に基づくフィードバック制御を行わな
い出湯試運転時に、設定温度の高低に関わりなく、熱交
換器内での沸騰を防止することができる。Since the present invention is configured as described above, when the maximum secondary pressure setting switch is turned on during the secondary pressure adjusting work performed at the time of installation, the gas burner burns with maximum capacity. At the same time, the bypass solenoid valve is closed, and boiling can be prevented in the heat exchanger during the hot water discharge test operation in which feedback control based on the hot water temperature is not performed, regardless of whether the set temperature is high or low.
【図１】 本発明を適用する給湯器の概略構成図であ
る。FIG. 1 is a schematic configuration diagram of a water heater to which the present invention is applied.
１ 熱交換器 ２ 入水路 ３ 出湯路 ４ バイパス路 ５ 缶体入水電磁弁 ６ バイパス電磁弁 ７ 水量サーボ弁 ８ 水量センサ ９ 入水温度センサ １０ 水量センサ １１ 出湯温度センサ １２ バーナ １３ ガス供給路 １４ 能力切替弁１４ １５ ガス比例制御弁 １６ 元電磁弁 ３０ コントローラ 1 Heat Exchanger 2 Inlet Channel 3 Outlet Channel 4 Bypass Channel 5 Can Water Inlet Solenoid Valve 6 Bypass Solenoid Valve 7 Water Volume Servo Valve 8 Water Volume Sensor 9 Inlet Temperature Sensor 10 Water Volume Sensor 11 Outlet Temperature Sensor 12 Burner 13 Gas Supply Channel 14 Capacity Switching Valve 14 15 Gas proportional control valve 16 Source solenoid valve 30 Controller
───────────────────────────────────────────────────── フロントページの続き (72)発明者 池田 広志 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (72)発明者 腹巻 知 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (72)発明者 福井 秀和 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (72)発明者 森下 敦弘 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (72)発明者 川口 裕 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (72)発明者 小原 浩樹 兵庫県神戸市中央区明石町32番地 株式 会社ノーリツ内 (56)参考文献 特開 昭59−125325（ＪＰ，Ａ) 特開 昭62−155434（ＪＰ，Ａ) 特開 昭63−290344（ＪＰ，Ａ) 特開 昭63−213747（ＪＰ，Ａ) 実開 昭58−69744（ＪＰ，Ｕ) ─────────────────────────────────────────────────── ─── Continued Front Page (72) Inventor Hiroshi Ikeda 32 Akashi-cho, Chuo-ku, Kobe-shi, Hyogo In Noritsu Co., Ltd. (72) Inventor Toshiaki Umaki 32 Akashi-cho, Chuo-ku, Kobe-shi, Hyogo In Noritsu, Inc. ( 72) Inventor Hidekazu Fukui, 32, Akashi-cho, Chuo-ku, Kobe, Hyogo Prefecture Noritsu Co., Ltd. (72) Inventor, Atsuhiro Morishita, 32, Akashi-cho, Chuo-ku, Kobe City, Noritsu (72) Inventor, Yutaka Kawaguchi Hyogo 32, Akashi-cho, Chuo-ku, Kobe (72) Inventor Hiroki Ohara 32, Akashi-cho, Chuo-ku, Kobe, Hyogo Prefecture (56) Reference JP-A-59-125325 (JP, A) Special Kai 62-155434 (JP, A) JP 63-290344 (JP, A) JP 63-213747 (JP, A) Actually opened 58-69744 (JP, )
Claims (1)
バイパス路に設けられたバイパス電磁弁と、熱交換器出
口側におけるバイパス路の合流部よりも下流側に設けら
れた水量サーボ弁とを備えて成る給湯器において、出湯
試運転時に最大二次圧設定用スイッチを投入すると、ガ
スバーナを最大能力で燃焼させると同時に、水量サーボ
弁を全開とし、バイパス電磁弁を閉じることを特徴とす
る給湯器の二次圧調整方法。1. A bypass path for bypassing a heat exchanger,
The bypass solenoid valve installed in the bypass passage and the heat exchanger output
Provided on the downstream side of the confluence part of the bypass passage on the mouth side.
If the maximum secondary pressure setting switch is turned on during hot water trial operation in a water heater equipped with a water quantity servo valve , the gas burner burns at maximum capacity and the water quantity servo
A secondary pressure adjusting method for a water heater, wherein the valve is fully opened and the bypass solenoid valve is closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4042096A JP2560943B2 (en) | 1992-01-31 | 1992-01-31 | How to adjust the secondary pressure of the water heater |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4042096A JP2560943B2 (en) | 1992-01-31 | 1992-01-31 | How to adjust the secondary pressure of the water heater |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH06288535A JPH06288535A (en) | 1994-10-11 |
| JP2560943B2 true JP2560943B2 (en) | 1996-12-04 |
Family
ID=12626469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4042096A Expired - Fee Related JP2560943B2 (en) | 1992-01-31 | 1992-01-31 | How to adjust the secondary pressure of the water heater |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2560943B2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7494337B2 (en) * | 2004-04-22 | 2009-02-24 | Thomas & Betts International, Inc. | Apparatus and method for providing multiple stages of fuel |
| KR101043876B1 (en) * | 2004-11-04 | 2011-06-22 | 린나이코리아 주식회사 | Premix Control Device of Air Proportion of a Boiler |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5858248U (en) * | 1981-10-15 | 1983-04-20 | 株式会社ノーリツ | Combustion amount control device for proportional control type gas water heater |
| JPS5869744U (en) * | 1981-11-04 | 1983-05-12 | リンナイ株式会社 | Bypass mixing type instantaneous water heater |
| JPS59125325A (en) * | 1982-12-29 | 1984-07-19 | Matsushita Electric Ind Co Ltd | Heating control device |
| JPS63213747A (en) * | 1987-03-02 | 1988-09-06 | Noritsu Co Ltd | Hot water supplier |
| JPS63290344A (en) * | 1987-05-20 | 1988-11-28 | Noritsu Co Ltd | Hot water supplier |
| JPS6451149U (en) * | 1987-09-22 | 1989-03-29 | ||
| JPH0360015A (en) * | 1989-07-27 | 1991-03-15 | Sanyo Electric Co Ltd | Laser annealing device |
-
1992
- 1992-01-31 JP JP4042096A patent/JP2560943B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH06288535A (en) | 1994-10-11 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JP2560943B2 (en) | How to adjust the secondary pressure of the water heater | |
| JPH0377421B2 (en) | ||
| JPH08247452A (en) | Combustion device | |
| AU2016266056A1 (en) | Water Heater | |
| JP3161130B2 (en) | Water heater | |
| JP2724101B2 (en) | Combustion equipment | |
| JPH081329B2 (en) | Water heater controller | |
| JPH0633903B2 (en) | Bypass mixing type water heater | |
| JPH0240447A (en) | Flow controller for multi-unit type hot water supply apparatus | |
| JPH02161255A (en) | Heating control device for hot water supplying device | |
| JP2526461B2 (en) | How to control the water heater | |
| JP2855730B2 (en) | Water heater | |
| JP3053760B2 (en) | Combustor | |
| JP2551313B2 (en) | Water heater | |
| JP3215557B2 (en) | Combustion equipment | |
| JPS6033447A (en) | Hot-water supplier | |
| JP3884873B2 (en) | Incomplete combustion detector for combustion equipment | |
| JP3146266B2 (en) | Water heater | |
| JPH0348425B2 (en) | ||
| JPH0715338B2 (en) | Water heater controller | |
| JP2735465B2 (en) | Incomplete combustion detector for combustion equipment | |
| JP3901332B2 (en) | Combustion device | |
| JPH01208653A (en) | Feed hot water controller | |
| JP3067366B2 (en) | Water heater | |
| JPH06159658A (en) | Hot water feeding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FPAY | Renewal fee payment (event date is renewal date of database) |
Free format text: PAYMENT UNTIL: 20080919 Year of fee payment: 12 |
|
| LAPS | Cancellation because of no payment of annual fees |