[TRNSYS-users] Problems with "Cooling" in TYPE 56

[Diego A. Arias]

Dear Bernd,

I wonder if you figured out the problem already. If not, please feel 
free to send me the files required to reproduce the problem.
Best regards,

Diego

Arie Kalkman wrote:
> Dear Bernd,
>
> Yor results are highly unusual, so it is difficult to give any help.
>
> I wonder what the result would be if you switch the cooling to OFF?
>
>
> Regards,
>  
> Arie 
> --------------------------------------------------------------
>
> -----Oorspronkelijk bericht-----
> Van: trnsys-users-bounces at engr.wisc.edu
> [mailto:trnsys-users-bounces at engr.wisc.edu] Namens bdo at stb.rwth-aachen.de
> Verzonden: maandag 15 januari 2007 10:33
> Aan: trnsys-users at engr.wisc.edu
> Onderwerp: Re: [TRNSYS-users] Problems with "Cooling" in TYPE 56
>
> Thank you for the reply, perhaps I have not described the problem 
> exactly, so your answer does not match my problem. I try it again:
>
> I have created a BUI-file without (!) a heating, only a cooling is 
> installed.
>
> But in the results I have values also for heating (in QSENS and in 
> QHEAT), although there is no heating installed! Now I have tested 
> another model and I get the same surprise: Heating energy demand > 0 
> without any heating installed. The amount is lower than in the modell I 
> have tested a few days ago, but in my thinking it must be zero.
>
> Thanks for any comments.
>
>
> Regards,
>
> Bernd.
>
>
>   
>> Hi,
>>  
>> have look to this thread:
>>  
>> "
>>    The Type56 output called QSENS is a positive value when there is a
>> cooling load and a negative value when there is a heating load in a given
>> zone. QCOOL and QHEAT are the same loads but are split apart so that
>> heating load is not a negative number. At any point in time during which
>> there is a cooling load QSENS and QCOOL should be equal. At any point in
>> time during which there is a heating load QSENS should be the negative of
>> QHEAT.
>> "
>>  
>> Dear TRNSYS-users,
>>  
>> we have created a single zone model of a room, containing a cooling, but 
>> no heating is implemented.
>>  
>> Now I have the problem, that in the output-file I get positve and 
>> negative Values for QSENS (and also values for QHEAT in ntype 30). Who 
>> has an idea what happens here? Additionally, if I limit the maximum 
>> cooling power, the limitation sometimes works, and sometimes I get much 
>> higher cooling power demand. What is it, I am really in desperation.
>>  
>>  
>> Best regards,
>>  
>> Bernd.
>>  
>>  
>>
>>  
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>>     
>
>
>