INDOOR MACHINE AND CEILING STRUCTURE FOR AIR-CONDITIONING EQUIPMENT

摘要

PROBLEM TO BE SOLVED: To satisfy quasi-fire preventive specification for a quasi-fire preventive area and to suppress spreading of a fire by a method wherein by a fire preventive case to cover an indoor machine body arranged at a ceiling arranged at a ceiling, the interior of a room and a place in a ceiling are shut off by the fire preventive ease. SOLUTION: A fire preventive case 20 covers an indoor machine body 1 and shuts off the indoor side and the side in a ceiling and is formed of an incombustible material, such as plaster board. An upper plate part 21 and a side wall 26 on the longitudinal side are fixed at a support column 24 and an upper plate part 21 and side walls 22 and 27 on the vertical side are fixed by a support column 29. A notch part 25 in which a pair of refrigerant piping 9 and a drain drainage pipe 10 are inserted is formed in a side wall part 22 on the vertical side. A fixing column 23 to fix the fire preventive case 20 at a fire preventive board 2a is fixed at the lower end of a side wall part 26 on the longitudinal side. Further, a space between the fire protective.case 20 and furring strip 6 is filled with rock wool, and a notch part 25 and a gap between a pair of refrigerant pipings 9 and the drain drainage pipe 10 are filled with a fire preventive putty.