JPH01131953U

JPH01131953U -

Info

Publication number: JPH01131953U
Application number: JP2793988U
Authority: JP
Priority date: 1988-03-02
Filing date: 1988-03-02
Publication date: 1989-09-07

Description

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

第１図は第１請求項に対応する第１実施例の回
路図、第２図はその電気回路図、第３図は、第１
請求項に対応する第２実施例の説明図、第４図、
第５図は第２請求項に対応する実施例の説明図、
第６図は第３請求項に対応する実施例の説明図、
第７図、第８図は給湯操作部分の変形例を示す説
明図、第９図は従来例の説明図であり、図中、５……水回路、１０……熱交換器、５１……開
閉コツク、５４……短絡回路、５６……切替弁。 1 is a circuit diagram of the first embodiment corresponding to the first claim, FIG. 2 is an electric circuit diagram thereof, and FIG. 3 is a circuit diagram of the first embodiment corresponding to the first claim.
An explanatory diagram of the second embodiment corresponding to the claims, FIG.
FIG. 5 is an explanatory diagram of an embodiment corresponding to the second claim;
FIG. 6 is an explanatory diagram of an embodiment corresponding to the third claim;
7 and 8 are explanatory diagrams showing modified examples of the hot water supply operation part, and FIG. 9 is an explanatory diagram of a conventional example. In the figures, 5...water circuit, 10...heat exchanger, 51... Open/close switch, 54...Short circuit, 56...Switching valve.

Claims

【実用新案登録請求の範囲】開閉コツク５１と熱交換器１０を具備する水
回路５を形成すると共に、該水回路５に於ける上
記熱交換器１０の上流側と下流側を短絡流路５４
で短絡し、該短絡流路５４と水回路５の交叉点に
切替弁５６を挿入し、該切替弁５６の切替えによ
つて、熱交換器１０を通る水回路とこれを通らな
い短絡流路５４を択一的に開閉させるようにした
給湯器。開閉コツク５１と熱交換器１０を具備する水
回路５を形成すると共に、該水回路に於ける上記
熱交換器１０の上流側と下流側を短絡流路５４で
短絡し、該短絡流路５４と水回路５の合流点及び
分岐点間に於けるこれら短絡流路５４と水回路５
のそれぞれの流路内に排他的に開閉動作する給水
弁５９及び給湯弁５９を各別に配設した給湯器。開閉コツク５１と熱交換器１０を具備する水
回路５を形成すると共に、該水回路に於ける上記
熱交換器１０の上流側と下流側を短絡流路５４で
連結し、該短絡流路５４と水回路５の合流点及び
分岐点間に於ける上記水回路５部分に、給湯操作
時にのみ開成される開閉弁７０を挿入した給湯器
。[Claims for Utility Model Registration] A water circuit 5 including an opening/closing pot 51 and a heat exchanger 10 is formed, and a short-circuit flow path 54 is formed between the upstream and downstream sides of the heat exchanger 10 in the water circuit 5.
A switching valve 56 is inserted at the intersection of the short-circuit flow path 54 and the water circuit 5, and by switching the switch valve 56, the water circuit passing through the heat exchanger 10 and the short-circuit flow path not passing therethrough are short-circuited. A water heater in which 54 is selectively opened and closed. A water circuit 5 including an opening/closing pot 51 and a heat exchanger 10 is formed, and the upstream and downstream sides of the heat exchanger 10 in the water circuit are short-circuited by a short-circuit passage 54. These short-circuit channels 54 and the water circuit 5 between the confluence and branch points of the water circuit 5 and the water circuit 5
A water heater in which a water supply valve 59 and a hot water supply valve 59 which are exclusively opened and closed are separately arranged in respective flow paths. A water circuit 5 including an opening/closing pot 51 and a heat exchanger 10 is formed, and the upstream and downstream sides of the heat exchanger 10 in the water circuit are connected by a short circuit passage 54. A water heater in which an on-off valve 70 that is opened only during hot water supply operation is inserted in the water circuit 5 portion between the confluence and branch points of the water circuit 5 and the water circuit 5.