E150 Air con

Does anyone know the total refrigerant capacity and the maximum and minimum pressures for the air conditioning system on my E150. It is also fitted with an evaporator at the rear of the vehicle.

Year?

Whoops, forgive my slight omission of detail. 1993 is the year.

I will check, my data is at work, and I'm at home.

It also matters if it has RAC or only front, but I can get both numbers.

Its a Day Van with what I assume is the standard Ford AC at the front and then a 'third party' fan assisted AC/Heater unit at the rear running from the front compressor and engine cooling system.

Not having come across that sort of setup before, as Day Vans are few and far between in the UK, I don't know how common that is. Seems a crap idea to have several meters of coolant hose running from front to rear of the vehicle, mostly outside!