LO pressure usually around 70psi, high side around 200psi for no
For older unit, high side pressure may be higher than normal and feel pretty hot even the ambience temp is pretty mild. There are many factors may affect your HI/LO side pressure such as. humidity level, outside/inside temp, txv/piston design and so on.
记得牌子是Carrier 2.5T,附近有看上去一样的（小点）标牌是HI300/LO150
The Hi/Lo #s seem reasonable.
冰窖可是好地方。问虚竹就知道了。哈哈
For older unit, high side pressure may be higher than normal and feel pretty hot even the ambience temp is pretty mild. There are many factors may affect your HI/LO side pressure such as. humidity level, outside/inside temp, txv/piston design and so on.
https://www.acservicetech.com/post/why-can-t-you-just-measure-pressures-to-check-a-refrigerant-charge