| 摘要 |
PURPOSE:To prevent the deterioration of cleaning function of a filter as well as the deterioration of the performance of an air-conditioning machine by informing the cleaning timing of a prefilter as well as the inspecting timing of a clean filter to an user. CONSTITUTION:When the accumulated operation time of a fan 4 has arrived at a first set time, the cleaning timing of a prefilter 81 is informed to an user by the flashing of a lamp 25. When the accumulated operation time of the fan 4 has arrived at a second set time, the inspecting timing of a clean filter 82 is informed to the user by sounding a buzzer 28. |
