R32制冷剂在窗式空调器上的应用  

Application of R32to window air-conditioner

作　　者：钟玉金 王颖 

机构地区：[1]广东美的制冷设备有限公司

出　　处：《制冷与空调》2017年第2期27-30,共4页Refrigeration and Air-Conditioning

摘　　要：对R32窗式空调器的性能进行试验研究,调试系统配置,并与原R410A系统进行对比。试验结果表明,在额定制冷工况下,与R410A系统相比,R32系统的制冷量提高2.5%,能效比提高5.5%,系统最优充注量降低20.5%,排气温度提高9℃。同时,R32系统的最优毛细管长度比R410A系统更长。The performance of R32 window air-conditioner is tested,the commissioning for system configuration is conducted,and is compared with that of R410 A system.The experimental results show that compared with the R410 A system,the cooling capacity of R32 system is increased by 2.5%,the EERis improved by 5.5%,the optimal refrigerant charge is decreased by 20.5%,and the discharge temperature is increased by 9℃under rated cooling condition.In addition,the optimal length of capillary for R32 system is much longer than that of R410 A system.

关 键 词：窗式空调器 R32 R410A 充注量 能效比 

分 类 号：TB657.2[一般工业技术—制冷工程]