Hi all just wondering if you could help me, i have a salad unit with a one year old condensing unit (3/4).I service it last week and found the suction pressure up 90psi and liquid line 225psi (no discharge port).Firstly pumped system down to find compressor very sluggish bring system down on vacuum so rang supplier and they said leaking valves so they sent down new compressor, happy dayz so i thought, fitted new motor to find suction pressure up at 80psi and the liquid line 200psi but sight glass only showing very little in it, this system has 2 evaporators fan assisted but temperature very very slow to come down, but not by much over all, there is a new filter line drier fitted and checked both EXP valves and orfices checked out ok ,Has anybody any suggestions please?