| 摘要 |
PROBLEM TO BE SOLVED: To provide a heating method using a package air conditioner substantially increasing cop by improving heating performance in a plastic greenhouse. SOLUTION: A ceiling is composed of double curtains 2, 3 made of PVC with a certain interval in between, below a chevron roof 1a of the plastic greenhouse, an auxiliary chamber 5 made of PVC is adjacently provided, an outdoor unit 6 of the package air conditioner is installed in the auxiliary chamber 5, and an indoor unit 7 is installed in the plastic greenhouse 1. During heating operation, hot air in the auxiliary chamber is sent into the plastic greenhouse by a duct fan 8. Cold air generated by the indoor unit 7 is discharged into a space between the curtain 2 and the roof 1a via a duct 9, and a heat insulating layer is formed to improve a heat retaining effect of the plastic greenhouse 1. COPYRIGHT: (C)2008,JPO&INPIT |
