| 摘要 |
PROBLEM TO BE SOLVED: To provide an air conditioner that can secure hot water temperature and hot water amount sufficient for hot water supply and heating, and can effectively utilize underground cold air. SOLUTION: A U-shaped heat exchange duct is put into a hot water supply tank 1 of open type. The inlet 15 and the outlet of the duct are projected outside the upper part of the tank 1, and a box 13 having a filter and a box 17 having an air supply fan humidifier are put on the inlet and outlet of the duct 2, respectively. The upper parts of the boxes are provided with attaching openings 14 and 18 for attaching an air-conditioning duct connected to an exhaust port and an air supply port of a room. The boxes have a door 16 for taking out or inspecting the filter, right and left boxes are interconnected through a by-pass tact 22, and the temperature can be regulated by varying the inside damper opening in turn of the year. In the U-shaped heat exchange duct 2, a copper plate is disposed along the air flow, a copper pipe penetrates through the duct 2 rectangularly. The hot water of the tank freely moves into or out of the pipe. COPYRIGHT: (C)2006,JPO&NCIPI
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