It is the First one you see to the left of the engine, but it is using a high side port on the low pressure side. Who knows why, probably because its french!
Type your answer here..I take it you want the refill port to re -gas it, It has one port its the big one looks like high pressure port you will need a port adapter £12.00 ish to re-gas it though. usually on left hand side of engine bay as you open the bonnet
You can find the refrigerant charge port on top of the air conditioner compressor. The refrigerant charge port will be labeled as the low pressure port.
It is on the top righthand side at the back of the engine compartment.
The French lamers managed to put a high side port on the low side thingy under the bonnet. what idiots. You'll need a high side to low side adapter for it. I just got one from ebay.
look for the port with the black cap on it, it's the low pressure port.
Its o/s front in line with the steering wheel with a high side port (bigger one) Renault changed the low side port for a high side fitting to stop diy fitting and re gassing, Which is strongly not advised go and get it emptied and weighed cleaned and re gassed. as a connector will cost around £19 by the time you have wasted money and time on gas its not worth it kwik fit re gas for £45 hope this helps
On the ac system, the low pressure port is the smaller port. It will be located on the line coming from the dryer. The low pressure line is the larger line. it will be on it.
low pressure port is on top of the ac compressor
the low pressure port is right on top of the comperssor
The 1997 Volvo 850 low pressure port is located on the air conditioning compressor. The low pressure port will be on the right hand side of the compressor.
If you are referring to the AC low pressure port, you will see two in the engine compartment,the low pressure port is the smaller one. They will both be on silver colored "pipes" and have black caps on them. DO NOT PLAY WITH THE HIGH PRESSURE PORT!
The low pressure port is the one on the accumulator (the canister). The low pressure lines are the bigger lines and the high pressure are the small lines.