| 摘要 |
PURPOSE:To prevent the generation of noises immediately after returning to the heating operation from the defrosting operation. CONSTITUTION:Dampers are rotated before the rotation of a blower 9 is restarted after the heating operation is resumed from the defrosting operation, and noises generated when the air blasted by the blower 9 collides with the rotating dampers 10, 11, or 12 are suppressed.
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