| 摘要 |
PROBLEM TO BE SOLVED: To operate a heater calmly without marring the use feeling as a heater, regarding an operation sound of both sections, by controlling the operation state of both sections in silent operation mode by condition judging conditions, when a fan forced heating section and an air cleaning section are operating at the same time. SOLUTION: When each operation switch of a final controlling element 23 is turned on, a fan forced heater control means 22-1 and an air cleaner control means 22-2 operate a fan forced heater part and an air cleaner part, respectively, at the same time, and a controller 22 performs silent operation. A silent operation mode means 22-3 reads in the judgment condition stored in a judgment condition storage means 22-4, and reads in the on-off state of the silent switch 23-1, and decides a silent operation mode, and reads in the conditions of putting the fan forced heater in about 80% operation on a maximum level of indoor dirt at room temperature. With these as the judgment conditions, it puts the fan forced heater part in about 800% operation at simultaneous operation, and puts the air cleaner part in weak or middle operation to achieve silent operation. |
