|
Posted by on February 24, 2007, 11:16 pm
> I suspect that the unit has a receiver. And that the compressor
> runs until the suction side gets low enough. Figuring that the
> solenoid is on the liquid refrigerant line, that would make sense
> that the solenoid opens when the chilled water gets too warm.
>
> As you say, the solenoid allows more instant action. The cooling
> water warms up, the solenoid opens, and the cooling starts almost
> immediately.
And YOU claim to be a tech...
What do you figure happens to the liquid refrigerant after the unit shuts
off?
> Please let us know what the repair guy finds.
>
> --
>
> Christopher A. Young
> You can't shout down a troll.
> You have to starve them.
> .
>
> : Thanks DIDO and ftwht for your input. Things are a lot clearer
> now.
> : The chiller uses R22 and works at 3-5 degrees C.
> :
> : It's definitely not cutting out on high pressure because this
> has to
> : be reset manually.
> :
> : I had a look again and the solenoid is indeed in the liquid
> line. So
> : does the solenoid valve make control of the chilling more
> positive? I
> : was thinking that if you controlled the chiller purely by
> starting and
> : stopping the compressor there would be a delay and waste of
> energy.
> : Without a valve, when the compressor stops the liquid would
> continue
> : passing through the expansion valve for a little while. Then
> when the
> : compressor starts again it would have to charge all the lines
> between
> : the compressor and expansion valve before actual chilling
> starts.
> : Using a solenoid valve stops the movement of refrigerant
> completely,
> : and allows chilling to start immediately the thermostat demands
> it.
> :
> : The LPCO has gone home, back tomorrow to finish the job.
> :
>
>
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap