| 摘要 |
PURPOSE:To contrive to reduce the cost of construction by a method wherein plural heat exchanging elements arranged in a main body are taken out with sliding in order from an opening part provided at the bottom surface of a duct air conditioner ventilating fan main body, thereby the opening part on the main body is made small, also a checking port provided on a ceiling is made small, further, only one checking port is sufficient enough for installation thereof. CONSTITUTION:Two square box-shaped heat exchanging elements 3a, 3b through which an outdoor air and an indoor air are flowed respectively are arranged in lateral direction in a duct air conditioner ventilating fan main body 2. For taking out the heat exchanging elements and a blower 1, the first heat exchanging element 3a located at the blower 1 side is taken out via an opening part 4 and a checking port 8, the second heat exchanging element 3b and the blower 1 are moved to an open space 5, then those components are taken out in order via the opening part 4 and the checking port 8. |
