Quote:
Originally Posted by Wonko
I didn't see that additional data in the available Vida readings for the AC, but I will have another look.
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It may be more simple than that. Out of curiosity I just tried detecting the temperature of the refrigerant by hand. The low pressure return side is the larger black metal pipe in centre of the attached picture (servo LHS, heater matrix supply/return RHS). The smaller diameter pipe below it is the high pressure feed.
I turned my aircon to full (ie. cabin temperature to min) and within 30 seconds of starting the engine the low pressure line (larger diameter) was unmistakably very cold to the touch. It was also quickly covered in a layer of condensation.
On that basis I think it's very easy to know whether the system is pressurising correctly or not.