| 摘要 |
PROBLEM TO BE SOLVED: To facilitate repairing in the case of a trouble and fastening in assembling, disassembling or the like by arranging a united fan-structural-body in which a ventilation fan adapted to ventilate a plurality of rooms simultaneously is arranged in parallel with a circulation fan with a heater to eliminate a complicated piping. SOLUTION: In the setting of a ventilation fan 4 adapted to ventilate a plurality of rooms, for example, three rooms simultaneously side by side with a circulation fan 1 with a heater 2, duct blowoff ports are mounted simultaneously from three directions. Then, a part of a united fan structural body of the fans is inserted thereinto upward from below and secured by screws or the like at necessary points. This can eliminate a complicated piping to facilitate piping, repairing in the case of a trouble and assembling or disassembling. |
