JPH0234950U

JPH0234950U -

Info

Publication number: JPH0234950U
Application number: JP11341488U
Authority: JP
Priority date: 1988-08-31
Filing date: 1988-08-31
Publication date: 1990-03-06

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は本考案の一実施例を示す系統図、第２
図は第１図に示す給湯器における循環式即湯装置
の運転のフローチヤート、第３図は従来の即湯機
能つき給湯器の一例を示す系統図、第４図は従来
の即湯機能つき給湯器の他の例を示す系統図であ
る。１……給湯器、２……給水管、３……ガス管、
４……ガス弁、５……バーナ、６……熱交換器、
７，１０……逆止弁、８……減圧弁、９……フロ
ーセンサ、１１……温度センサ、１２……送湯管
、１３……可変容量型のポンプ、１４……往管、
１５……戻り管、１６……逆止弁、１７……流水
スイツチ、１８……分岐管、１９……給湯栓、２
０……制御部。 Figure 1 is a system diagram showing one embodiment of the present invention;
The figure is a flowchart of the operation of the circulating instant hot water system in the water heater shown in Figure 1, Figure 3 is a system diagram showing an example of a conventional water heater with an instant hot water function, and Figure 4 is a conventional water heater with an instant hot water function. It is a system diagram showing another example of a water heater. 1...Water heater, 2...Water pipe, 3...Gas pipe,
4... Gas valve, 5... Burner, 6... Heat exchanger,
7, 10... Check valve, 8... Pressure reducing valve, 9... Flow sensor, 11... Temperature sensor, 12... Water supply pipe, 13... Variable displacement pump, 14... Outgoing pipe,
15...Return pipe, 16...Check valve, 17...Water switch, 18...Branch pipe, 19...Hot water tap, 2
0...Control unit.

Claims

【実用新案登録請求の範囲】[Scope of utility model registration request]

ガス管にガス弁とバーナとを設け、給水管に逆
止弁と減圧弁と熱交換器とを設け、湯循環路の往
路には温度センサを設け、復路には逆止弁と流水
スイツチとを設けたループ形態の給湯器において
、前記湯循環路の往路に可変容量型のポンプを設
けるとともに、このポンプを制御部に接続し、こ
の制御部により前記ポンプを、給湯時には高速回
転で駆動し、大容量運転を行ない、即湯のための
保温循環時には低速回転で駆動し、小容量運転を
行ない得るように構成したことを特徴とする給湯
器における循環式即湯装置。 The gas pipe is equipped with a gas valve and a burner, the water supply pipe is equipped with a check valve, a pressure reducing valve, and a heat exchanger, the outgoing path of the hot water circulation path is equipped with a temperature sensor, and the returning path is equipped with a check valve and a water flow switch. In the loop-type water heater, a variable displacement pump is provided in the outgoing path of the hot water circulation path, and this pump is connected to a control section, and the control section drives the pump at high speed during hot water supply. A circulation-type instant hot water device for a water heater, characterized in that it is configured to perform large capacity operation, drive at low speed during heat-retaining circulation for instant hot water, and perform small capacity operation.