The customized bent copper pipe layout is consistent with the original 30XQ pipeline route, which can reduce the amount of brazing modification work during on-site maintenance.

The metal-sealed stepper motor component can resist the corrosion caused by large temperature differences in the environment and is suitable for heat pump equipment.

It needs to be matched with a dedicated EXV driver board output signal; direct power supply will cause the internal stepper winding to be permanently burned out.

Compared with the 32GB402544 model, the 30GT chiller has different flow capacity and stroke, and is not allowed to be used interchangeably across models.

Before startup, it is necessary to strictly remove impurities from the system; otherwise, particle contamination will cause unstable regulation.

Common fault modes: Stepper loss triggers overheating search fluctuations, orifices are blocked by system contaminants, connector pins are oxidized, and evaporator pressure fluctuates unstably.