Might be overcharged a little. 30PSI @ 1500 on the low side seems high. Expansion block system.

Please, no Amazon links on this forum.

Aftermarket A/C Compressors have the same failure rate as OEM. The biggest issue we see is in improper repair and then blame the compressor. As far as what’s going on with your new A/C compressor and your current issues, I’m wondering about that new expansion valve and compressor you put in. Were th...

Evap may have frozen up. Refrigerant level and cycling would be areas look into.

Is this a US vehicle? As all my listings show this to have a Sanden. Which do not have a control valve for this model compressor? I don't have a system break down on your vehicle anymore. I would think there is some sort of cycling device. Especially since it uses Expansion blocks to regulate refrig...

Maybe a thermostat issue. Is the coil freezing up? Not 100% sure on the cycling of these, electronic or pressure. The Sanden compressor on these does not have a control valve.

Hot water shut off valve may be leaking.

Is this an original R134a vehicle? Charge levels is a place to start. Possible restriction but unlucky. Normal expansion valve systems will have a low of around 12/18 at high RPM.

No listing in the US for that vehicle. If an expansion valve system. Your low side pressures are high.

What year?