约克 ZJ120 系列 10 吨屋顶式空调，铝盘管制冷剂泄漏维修
2025年3月23日
Refrigerant Leaks Are a Serious Problem The refrigerant in your rooftop units is in a closed loop and will not get “used up” over time. Only leaks can cause the refrigerant level to drop. Losing refrigerant isn’t only a threat to the effectiveness of the rooftop unit, whether in heating or cooling mode; it’s a