There are 3 Pressure and Temperature Sensors inside HVAC System.
Sunction
1 Sensor is for sunction side and will show sunction bar in Service Mode. It is located on Top of Supermanifold.
Discharge
1 Sensor High Pressure liduid and shows as Discharge in Service Mode. It is located on in 2nd row.
Liquid
1 Sensor Liquid high pressure and will show in bar inside in Service Mode. It measure high pressure liquid. It is located below.