JPS5846027U

JPS5846027U - air conditioner

Info

Publication number: JPS5846027U
Application number: JP14065181U
Authority: JP
Inventors: 良則井上; 杉浦　修史; 三浦　普司; 陽一岩崎
Original assignee: 株式会社竹中工務店; ダイキン工業株式会社
Priority date: 1981-09-22
Filing date: 1981-09-22
Publication date: 1983-03-28
Also published as: JPS6146347Y2

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

[Brief explanation of the drawing]

第１図は本考案の一実施例を示す概略説明図、第２図は
第１図に用いる冷温水機の冷媒配管系統図である。Ａ・・・冷温水機、Ｂ、　Ｃ・・・室内ユニット、Ｄ、
　Ｅ・・・冷温水回路、３・・・冷水用水熱交換器、４
・・・温水用水熱交換器、１７・・・冷水供給ヘッダー
、１８・・・温水供給ヘッダー、１９−・・・冷水戻り
ヘッダー、２０・・・温水戻りヘッダー、３０・・・冷
水コイル、３１・・・温水コイル、４２・・・冷水戻り
主管、４８・・・温水戻り主管、８１・・・第１バイパ
ス管、８３・・・第２バイパス管、８２．８４・・・開
閉弁。FIG. 1 is a schematic explanatory diagram showing an embodiment of the present invention, and FIG. 2 is a refrigerant piping system diagram of the water cooler/heater used in FIG. 1. A...Cold/heater, B, C...Indoor unit, D.
E...Cold/hot water circuit, 3...Cold water water heat exchanger, 4
... Hot water water heat exchanger, 17... Cold water supply header, 18... Hot water supply header, 19-... Cold water return header, 20... Hot water return header, 30... Cold water coil, 31 ...Hot water coil, 42...Cold water return main pipe, 48...Hot water return main pipe, 81...First bypass pipe, 83...Second bypass pipe, 82.84...Opening/closing valve.

Claims

[Scope of utility model registration request]

a cold water water heat exchanger 3 that exchanges heat with water to form cold water;
A water cooler/heater A2 equipped with a hot water water heat exchanger 4 that exchanges heat with water to form hot water, a cold water coil 30 that exchanges heat with air to form cold air, and a hot water coil that exchanges heat with air to form hot air. Multiple indoor units equipped with 31) B, C...
, and the cold water coil 30 and hot water coil 31,
In an air conditioner comprising a cold water supply header 17 and a cold water return header 19 of each of the heat exchangers 3.4, and a cold/hot water circuit E connected to the hot water supply header 18 and the hot water return header 20, the cold water return main pipe 42 A cold water auxiliary header 80 is provided in the auxiliary cold water header 80 , and a first bypass pipe 81 having an on-off valve 82 is provided between the cold water auxiliary header 80 and the hot water supply header 18 side.
A second bypass pipe 83 having an on-off valve 84 is provided between the intervening position of the auxiliary header 80 and the cold water return header 19 side, and by controlling the opening of the on-off valves 82 and 84, the supplying cold water to the hot water supply header 18;
An air conditioner characterized in that a cold water circuit is formed from the hot water coil 31 to the hot water return main pipe 48 and the cold water return header 19.