JP2007248016A5 - - Google Patents

Claims (3)

A first air supply passage that is connected to the outside through the outdoor inlet;
A first exhaust ventilation path connected through the room and the indoor suction port;
A first blower fan for supplying air to the first supply air passage;
A second blower fan that exhausts air from the first exhaust ventilation path;
A first ventilation path and a second ventilation path that intersect each other; and the first air supply ventilation path is located at one of the ports of the first ventilation path. A heat exchanger connected to one port of the second ventilation path;
A second air supply passage connected to the other port of the first ventilation passage and connected through the room and the indoor outlet;
In the heat exchange type air-conditioning ventilator having a second exhaust ventilation path connected to the other port of the second ventilation path and connected through the outdoor and an outdoor outlet,
A ventilation path switching means having a function of partitioning the first air supply ventilation path and the second exhaust ventilation path and having a function of closing the first air supply ventilation path;
A heat exchange type air-conditioning ventilator comprising a ventilation path opening / closing means provided in a partition partitioning the first exhaust ventilation path and the second exhaust ventilation path. At least one of the first exhaust ventilation path and the second exhaust ventilation path includes a bypass ventilation path communicating with the other, and the ventilation path opening and closing means is provided in the bypass ventilation path. The heat exchange type air conditioning ventilator according to claim 1, wherein The heat exchange type air-conditioning ventilator according to claim 1 or 2 , wherein the ventilation path switching means and the ventilation path opening / closing means are interlocked.