| 摘要 |
<p>The present invention relates to a method of controlling the temperature of an object, the method comprising the steps of exposing at least a part of the surface of said object with ultraviolet light from a light source, detecting the light reflected from said surface, determining the colour of said surface based on said detected light, controlling the temperature of said object based on the determined colour of said surface. The invention further relates to a dehumidifier being defrosted when the temperature controller detects white, frost, on the surface of the evaporator coils.</p> |
