| 摘要 |
PURPOSE:To enable to realize the highly efficient heat collection by a method wherein an independent heat pump circuit having a condenser in a hot water storage tank is jointly provided with a solar heat collecting device and the running and stop of a compressor are controlled by the liquid level in a return pipe. CONSTITUTION:Because the circulating power of a loop type heat pipe develops during no insolation, the level of working liquid in a return pipe becomes lower, resulting in causing a float 8 in a liquid receiving tank 7 to issue a signal representing the float being at the lower position. A compressor is set to start its running under the above-mentioned case, resulting in enabling to collect heat by utilizing the heat pump circuit mainly by employing the air as a heat source. |
