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Subject Author Date
Trane XE1000 badaczewski 11-10-2006
---> Re: Trane XE1000 tropicalairllc11-10-2006
---> Re: Trane XE1000 Bob Pietrangelo11-10-2006
---> Re: Trane XE1000 PrecisionMachin...11-10-2006
`--> Re: Trane XE1000 PrecisionMachin...11-11-2006
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Posted by on November 10, 2006, 1:40 pm
Can someone tell me if the Trane XE1000 is a two stage heat pump? I've
been to their site and the manual doesn't contain that information.
Also, if that information isn't possible could someoen please tell me
what a two stage heat pump is?


Posted by tropicalairllc on November 10, 2006, 6:25 pm
XE 1000 is not a 2 stage, an XL19i or XL16I are two stage. Trane's two
stage units have two compressors. The capacity of the unit will change from
half capacity to full capacity depending on load requirements. Say a five
ton unit, The first stage is 2.5 ton, if thermostat is not satisfied within
a certain period of time, the 2.5 ton compressor goes off and the 5 ton
comes on, the air handler changes the cfm accordingly.



> Can someone tell me if the Trane XE1000 is a two stage heat pump? I've
> been to their site and the manual doesn't contain that information.
> Also, if that information isn't possible could someoen please tell me
> what a two stage heat pump is?
>



Posted by Bob Pietrangelo on November 10, 2006, 8:06 pm




> XE 1000 is not a 2 stage, an XL19i or XL16I are two stage. Trane's two
> stage units have two compressors. The capacity of the unit will change
> from
> half capacity to full capacity depending on load requirements. Say a five
> ton unit, The first stage is 2.5 ton, if thermostat is not satisfied
> within
> a certain period of time, the 2.5 ton compressor goes off and the 5 ton
> comes on, the air handler changes the cfm accordingly.



The XL16i has a single scroll



>
>
>
>> Can someone tell me if the Trane XE1000 is a two stage heat pump? I've
>> been to their site and the manual doesn't contain that information.
>> Also, if that information isn't possible could someoen please tell me
>> what a two stage heat pump is?
>>
>
>



Posted by PrecisionMachinisT on November 10, 2006, 11:38 pm

>
>
>
>
> > XE 1000 is not a 2 stage, an XL19i or XL16I are two stage. Trane's two
> > stage units have two compressors. The capacity of the unit will change
> > from
> > half capacity to full capacity depending on load requirements. Say a
five
> > ton unit, The first stage is 2.5 ton, if thermostat is not satisfied
> > within
> > a certain period of time, the 2.5 ton compressor goes off and the 5 ton
> > comes on, the air handler changes the cfm accordingly.
>
>
>
> The XL16i has a single scroll
>

Well then is it a 2 stage scroll ?

--

SVL




Posted by PrecisionMachinisT on November 11, 2006, 2:13 am

>
> >
> >
> >
> >
> > > XE 1000 is not a 2 stage, an XL19i or XL16I are two stage. Trane's
two
> > > stage units have two compressors. The capacity of the unit will change
> > > from
> > > half capacity to full capacity depending on load requirements. Say a
> five
> > > ton unit, The first stage is 2.5 ton, if thermostat is not satisfied
> > > within
> > > a certain period of time, the 2.5 ton compressor goes off and the 5
ton
> > > comes on, the air handler changes the cfm accordingly.
> >
> >
> >
> > The XL16i has a single scroll
> >
>
> Well then is it a 2 stage scroll ?
>

( The answer to which doesn't actually matter much to me anyways)...

Big question in my mind at this juncture then is how exactly is a second
compressor generally integrated into a multi stage system--guessing that a
simple checkvalve is placed so as to dis-allow highside gas emmited from the
first stage from backflowing into the second compressor.

So...sufficient airflow on both sides notwithstanding, then just what ( if
any ) additional considerations must be implementated within the refrigerant
circuit for implementing a multi compressor operation ?

--

SVL






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