[Trace-users] VRF Water

[Michael Chavez]

Jason,

Thanks for your help, i’m going to try this to approximate the calculation. And how about with the pumps, is the same idea?


Thanks.

MC


De: Jason Dietterick [mailto:Dietterick at stonehousegroup.net]
Enviado el: miércoles, 02 de abril de 2014 11:10 a.m.
Para: Michael Chavez
CC: trace-users at lists.onebuilding.org
Asunto: Re: [Trace-users] VRF Water

Michael,

Typically I would leave a cooling tower for each plant as it is not possible to assign multiple plants to a single tower as far as I know.  Cooling tower energy consumption can than be divided up in each plant as a ratio based on plant capacity or input as an appropriate kW/ton.

Best,
Jason

Sent from my iPhone

On Apr 2, 2014, at 10:57 AM, "Michael Chavez" <mchavez at sumacinc.com<mailto:mchavez at sumacinc.com>> wrote:
Trace users,

Did anybody have modeled an VRF – Water system? I’m trying to model this system and I have had some problems:


-          The system consists in several evaporator units located on each office, these evaporators works whit one condensing unit for each floor. All condensing units are cooled by one cooling tower located on the roof.

-          I have tried to create one WSHP  plant for each floor, delete the cooling tower of each one and create a new cooling tower for all plants. Like a next image:



<image002.jpg>


-          Whit this, the calculation results shows only the first WSHP plant, and the cooling tower does not work properly.

Have you got any idea for modeling this system.?

Thanks for your help,

Michael


SUMAC
Michael Chávez | Analista LEED Energía Jr.

Tel: +511.253.5355 (Lima, Perú)
Tel: +593.4.600.0613 (Guayaquil, Ecuador)
Tel: + 571.3151985 (Bogotá, Colombia)
Tel: +1.773.857.7906 (Chicago, USA)
mchavez at sumacinc.com<mailto:mchavez at sumacinc.com>
www.sumacinc.com<http://www.sumacinc.com>

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