JPH01120021U - - Google Patents

Description

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

第１図は本考案が適用された冷暖房給湯システ
ムの回路図、第２図は室内空調ユニツトの斜視図
、第３図〜第８図は各運転モードの熱媒及び温水
の流れを示した回路図である。 １ａ，１ｂ，１ｃ……センタヒートポンプ、２
……室内空調ユニツト、Ｐ_０……熱媒循環ポンプ
、３ａ，３ｂ，３ｃ……バツクアツプボイラ、４
……給湯タンク、５ａ，５ｂ，５ｃ……給湯ボイ
ラ。 Figure 1 is a circuit diagram of an air conditioning, heating, and hot water supply system to which the present invention is applied, Figure 2 is a perspective view of an indoor air conditioning unit, and Figures 3 to 8 are circuits showing the flow of heat medium and hot water in each operation mode. It is a diagram. 1a, 1b, 1c...center heat pump, 2
... Indoor air conditioning unit, P ₀ ... Heat medium circulation pump, 3a, 3b, 3c ... Backup boiler, 4
...Hot water tank, 5a, 5b, 5c...Hot water boiler.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 冷暖房用の熱媒を形成するセンタヒートポンプ
と、各室内の空調を行なう複数の室内空調ユニツ
トと、前記熱媒をセンタヒートポンプから室内空
調ユニツトに送る搬送手段と、暖房負荷に応じて
順次作動しヒートポンプの暖房運転をバツクアツ
プする複数のボイラと、センタヒートポンプの排
熱側に接続された給湯タンクと、給湯タンクの温
水を加熱する給湯ボイラと、から成る冷暖房給湯
システム。 A center heat pump that forms a heat medium for air conditioning and heating, a plurality of indoor air conditioning units that air condition each room, a conveyance means that sends the heat medium from the center heat pump to the indoor air conditioning units, and a heat pump that operates sequentially according to the heating load. A heating, cooling, and hot water system consists of multiple boilers that back up heating operations, a hot water tank that is connected to the exhaust heat side of the center heat pump, and a hot water boiler that heats the hot water in the hot water tank.