"Adriano Silva" <adriano.silva@mail.telepac.pt> wrote in message
news:43386c95$0$10444$a729d347@news.telepac.pt...
> First of all I apologize about my English.
>
> My air conditioning unit starts working properly. If there is to hot
> outside, after some minutes it stops of making cold. In the night it works
> better.
> I have recently change expansion valve.
> Anyone had any idea about this problem?
>
> Thanks
>
> Adriano Silva
>
>
>
Are you sure you charged it correctly? You have to draw a pretty good vacuum
and then release the correct amount of refrigerant into the system. Did you
replace the filter/dryer while you had it apart? The symptom sounds like the
expansion valve may be icing up.
Linear Mode
