| 摘要 |
PURPOSE:To lighten the load for air conditioning by a method wherein a damper is open for feeding the fresh air by a thermostat only when the temperature of a room lies in the temperature range set for air conditioning and consequently no unnecessary outdoor air is introduced. CONSTITUTION:An electromagnetic switch 14, one end of which is connected through an operating switch 13 to the power source 12 and the other end of which is connected to the power source, a thermostat 16, which is arranged between the change-over contact 15 of the switch 14 and a limit switch 17 for opening and closing a damper and turns ON when a temperature lies in the temperature range set for air conditioning, and a damper motor 18, one end of which is connected with the switch 17 and the other end of which is connected with the power source, are provided. In addition, the thermostat 16 is set so as to open a damper only when a temperature lies in the temperature range set for air conditioning. As a result, no unnecessary airing is done, resulting in also lightening the load for air conditioning. |
