| 摘要 |
<p>PROBLEM TO BE SOLVED: To suppress dew condensation at an exhaust outlet of a ventilation heat exchanger in a heating system including the ventilation heat exchanger.SOLUTION: A heating system comprises: a ventilation heat exchanger 34 causing heat exchange between exhaust air discharged from a room that is a heating target space to an outside of the room and supplied air supplied from the outside into the room; a high-temperature-side heater core 35 heating the supplied air flowing from the ventilation heat exchanger 34 with a heat medium heated by heating means being used as a heat source; a low-temperature-side heater core 36 heating the supplied air flowing into the ventilation heat exchanger 34 with the heat medium flowing from the high-temperature-side heater core 35 being used as a heat source; and a flow regulation valve 39 regulating a flow volume of the heat medium flowing into the low-temperature-side heater core 36. The flow regulation valve 39 regulates the flow volume of the heat medium flowing into the low-temperature-side heater core 36 so that a temperature of the exhaust air flowing from the ventilation heat exchanger 34 is higher than a dew point temperature.</p> |
