> Let think of it like this:
> You can not compress a liquid!
> High pressure gas out of compressor
> to evaporator that turn the freon into liquid
> Liquid goes to condensor turns to low pressure
> gas.  Low pressure gas goes to compressor
> and the hold thing starts all over again.
>
>                            Eric

Hot, high pressure gas out of compressor to condenser to become cooler,
high pressure liquid.
High pressure liquid through expansion valve and into evaporator to become
low pressure gas.
Low pressure gas into suction side of compressor and the whole thing
starts over again.

<http://autorepair.about.com/library/weekly/aa060301b.htm>

Kevin