The heat recovery device in the room to perform the third kind ventilation such as toilet kitchen

摘要

(57) [summary] [purpose] By recovery and utilization of waste heat in the exhaust gas, it is possible to reduce the heat drop to reduce the air-conditioning load for ventilation frequently used room such as toilet room, kitchen. [Configuration] in the toilet chamber 1 as ventilation frequently used room has an indoor unit 10 provided with a heat pump air-conditioning system. The indoor unit 10 is provided with an air-conditioning heat-exchanger 12 and the blower fan 13. The ceiling of the toilet room 1 exhaust duct 14 is a pipe, the exhaust inlet 14a communicating with the exhaust duct 14 is opened to the ceiling surface. The inside of the exhaust duct 14 is disposed the exhaust fan 15, in the vicinity of this is arranged a heat exchanger 16 of the outdoor unit of the air conditioner is, the heat exchanger 16 is a refrigerant piping 17 and a compressor, the switch The connected to the heat exchanger 12 of the indoor unit 10 side, it constitutes a refrigerant circuit between them through like.