| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a heater carrying out oxygen deficiency prevention of a room by using a CO2 sensor. <P>SOLUTION: The heater provided with a burner sucking in air of the room and carrying out exhaust into the room is provided with a controller 3 controlling operation of the burner, and a safety means 30 provided with a CO2 sensor unit 25 detecting a concentration of CO2 gas of indoor air in a casing or on a casing surface for stopping operation of the burner by the controller 3 when the concentration of the CO2 gas detected by the CO2 sensor unit 25 is a predetermined value or less. <P>COPYRIGHT: (C)2007,JPO&INPIT |
