Electric fan motors?

[terranosaurusdoug]

Originally Posted by Lazy-Ferret

That's how I started out, but I just hit one snag after another... Firstly, and quite majorly, normal fans blow the air, while the aircon unit sucks the air. I did eventually work out how the reverse the fan motor, but you can only do that on certain motors if they happen to be assembled in a particular way. Even having worked that out, I kept hitting one issue after another... like physically mounting it, in the right place, and the blades on a normal fan all seem to be either to big, or too small, finding a fan where the blades are actually 9" was not easy. I couldn't use the old fan blades, as the motor shafts on all the fans I checked out, were a lot thinner than the original one. On top of that, the cost of a reasonable fan was more than I managed to get that unit for.

I thought of using a car radiator fan, as they are nice and slim, reversible plus have all the right mountings, but not only are they very noisy, but it then opens a whole new bag of worms, as I would need a high current mains to 12v converter, and find somewhere in there to hide that...

Yeh my fan was quite cheap I think I got a deal on it, however it is a good one and probably cost a fair bit more today, messing about with converters etc gets messy and you end up with franken-con in your van, glad you got that bit sorted and if rick can't sort the gas out I'll eat my underpants

[solarman216]

Re the gas Clive there are several "newer" gasses but they are not compatible with each other so you have to identify the exact gas, and if it is one of the type to be charged in the liquid phase only, then it needs to be de gassed and recharged completely, this is because they are a mixture of two or more gasses and if the leak was/is of the gas phase then you have no way of knowing which gas you have lost, Rick

[Lazy-Ferret]

Originally Posted by solarman216

Re the gas Clive there are several "newer" gasses but they are not compatible with each other so you have to identify the exact gas, and if it is one of the type to be charged in the liquid phase only, then it needs to be de gassed and recharged completely, this is because they are a mixture of two or more gasses and if the leak was/is of the gas phase then you have no way of knowing which gas you have lost, Rick

That makes sense, they do say it has to be drained, vacuum down, and then re-charged.

Because it is effectively 2 units joined by an umbilical cord, they say that the nylon pipes naturally leak off over time, so I guess it would be just the gas that is lost tough. I wonder how I find out which gas it has... looks like a bit more RTFM'ing... LOL

[solarman216]

Originally Posted by Lazy-Ferret

That makes sense, they do say it has to be drained, vacuum down, and then re-charged.

Because it is effectively 2 units joined by an umbilical cord, they say that the nylon pipes naturally leak off over time, so I guess it would be just the gas that is lost tough. I wonder how I find out which gas it has... looks like a bit more RTFM'ing... LOL

Just as important Clive is there a various oils, wrong gas with wrong oil = no more AC unit, look on the compressor if there is no outside label, it will be R134a/R404/R407/or R410a but the last one is doubtful as your charge point does not look big enough, I have the other three gasses, Rick

[Lazy-Ferret]

Originally Posted by solarman216

Just as important Clive is there a various oils, wrong gas with wrong oil = no more AC unit, look on the compressor if there is no outside label, it will be R134a/R404/R407/or R410a but the last one is doubtful as your charge point does not look big enough, I have the other three gasses, Rick

Just found the manual, and it says R134a 220gr, which I guess means it takes 220grams of the stuff.

[terranosaurusdoug]

Originally Posted by Lazy-Ferret

Just found the manual, and it says R134a 220gr, which I guess means it takes 220grams of the stuff.

nice one fella, you've nailed now