| 摘要 |
<p>PROBLEM TO BE SOLVED: To clean a heat exchanger excellently by arranging a nozzle that injects cleaning fluid towards the air blowing means at the upper flow of the air blowing means in the air conditioning air intake route and conducting the cleaning fluid in front of the heat exchanger. SOLUTION: An inner and outer air switching box 3 is provided with an outer air inlet 1 and an inner air inlet 2, and inside the outer and inner air switching box 3, a fan 5 that is an air blowing means driven by a blower motor 4 and an inner and outer air switching door 6 that selects the intake of the air conditioning air are arranged. A nozzle 13 that injects cleaning fluid a towards the air intake part of the fan 5 is installed with an adequate fastening method in the inner and outer air switching box 3. With this, the cleaning fluid a is conducted to the front of a heat exchanger 11 and the heat exchanger 11 is cleaned excellently.</p> |
