JPS589655U - Water heater - Google Patents

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

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による給湯器の構造概略図で
あり、第２図は同電気回路図である。 １・・・加熱装置、４・・・燃焼量制御バルブ、７・・
・密閉形タンク、８・・・湯温検出素子、１１Ａ・・・
凍結防止自動水抜弁、１２・・・往循環パイプ、１３・
・・復循環パイプ、１３Ａ・・・電磁弁、１４・・・給
水管、１５・・・主水流検知器、１６・・・循環ポンプ
、１７・・・循環水流検知器。FIG. 1 is a schematic structural diagram of a water heater according to an embodiment of the present invention, and FIG. 2 is an electrical circuit diagram thereof. 1... Heating device, 4... Combustion amount control valve, 7...
・Sealed tank, 8... Hot water temperature detection element, 11A...
Freeze prevention automatic water drain valve, 12... forward circulation pipe, 13.
... Recirculation pipe, 13A... Solenoid valve, 14... Water supply pipe, 15... Main water flow detector, 16... Circulation pump, 17... Circulating water flow detector.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 加熱装置１の外部に湯温検出素子８番内蔵した密閉形タ
ンク７を設け、加熱装置１の出口と密閉形タンク７およ
び加熱装置１の入口と密閉形タンク７とは往循環パイプ
１２及び復循環パイプ１３でそれぞれ接続し、前記往循
環パイプ１２および復循環パイプ１３のどちらか一方に
循環ポンプ１６を接続すると共に、前記密閉形タンク７
に凍結防止自動水抜弁１１Ａを有する給湯管１１を接続
し、更に復循環パイプ１３に主水流検知器１５を有する
給水管１４を接続し、又同じく復循環パイプ１３にその
給水管１４と密閉形タンク７との間に電磁弁１３Ａを設
け、前記湯温検出素子８の信号により加熱装置１の燃焼
量および循環ポンプ１６の運転の制御を行なうことを特
徴とする給湯器。A closed tank 7 with a built-in hot water temperature detection element No. 8 is provided outside the heating device 1, and the outlet of the heating device 1 and the closed tank 7 and the inlet of the heating device 1 and the closed tank 7 are connected to a forward circulation pipe 12 and a return circulation pipe 12. A circulation pump 16 is connected to either one of the outgoing circulation pipe 12 and the return circulation pipe 13, and the closed tank 7 is connected to the circulation pipe 13.
A water supply pipe 11 having an automatic water drain valve 11A for preventing freezing is connected to the water supply pipe 11A, a water supply pipe 14 having a main water flow detector 15 is connected to the recirculation pipe 13, and a water supply pipe 14 having a main water flow detector 15 is connected to the recirculation pipe 13. A water heater characterized in that a solenoid valve 13A is provided between the tank 7 and a signal from the hot water temperature detection element 8 to control the combustion amount of the heating device 1 and the operation of the circulation pump 16.