|
Posted by Zyp on June 3, 2008, 2:24 pm
new jersey wrote:
> Mark
> you practically answering you own question
> On off cycle liquid collects into evaporator and on start up of next
> cycle there is nothing stopping or delaying for that liquid getting
> into crankcase of
> compressor so you wind up with busted valves among other things,
> solving problem of slugging is by adding suction accumulator on
> suction line,
> other two items can also help by adding crankcase heater and solenoid
> on liquid line, for small AC units I would say number one would be of
> adding suction accumulator if space permit second solenoid and third
> crankcase heater
> if you AC is to be used with cold temp. outside then it would be
> imperative to
> add crankcase heater and suction accumulator!
> Tony
> www.cas-environ.com
>
>
>
>
>> What keeps a compressor from "slugging" right after turn on
>>
>>
>> I know from reading that it is bad for a compressor to try to
>> compress liquid refrigerant. I also know that when the compressor
>> cycles off, the refrigerant will migrate away from the warm parts of
>> the system and into the colder parts. So during the off part of the
>> cycle the refrigerant will migrate out of the compressor and out of
>> the condenser and tend to condense and collect as liquid in the
>> evaporator.
> So what happens when the system cycles back on.
> why doesn't the liquid that has collected in the evaporator get sucked
>> into the compressor and damage it when the system cycles back on.
>>
>> The question seems to apply to both automotive and hermetic
>> compressors.
>>
>> thanks
>> Mark
Close but no cigar. Only a cigarette. LOL
--
Zyp
| 
Yahoo! 
Google 
Windows Live 
del.icio.us 
digg 
Netscape 
XML Sitemap