| 摘要 |
PROBLEM TO BE SOLVED: To provide an air-conditioning system to be formed in a compact manner and easy in installation and maintenance. SOLUTION: A total heat-exchange unit 2 having a total heat-exchanger 1 to effect heat exchange between return air and outside air, a fan unit 3 to perform supply of outside air to and exhaust gas from the total heat exchange unit 2, and an air-conditioning unit 6 having a heat exchange coil 4 to effect heat exchange between return air and outside air-treated air of the fan unit 3, are caused to communicate and couple with each other through a duct 7. The apparatuses are installed on the wall surface and the ceiling surface of a machine room and a fan 30 to feed air to an air-conditioning zone through a duct 35 for supply air of the air-conditioning unit 6 is situated on the tip side of the duct 35 for supply air.
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