Question-and-Answer Resource for the Building Energy Modeling Community
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| 2015-04-17 09:33:44 -0500 | commented answer | Is it possible to add multiple air loops to one thermal zone? Thank you David, I had a follow up question: by 'combining the units' you mean representing multiple package rooftop units as one. Thus, in this case, a 'single cooling coil DX' unit would represent 26 package units? I will most likely go the route of creating many zones because of the size of the space, but I wanted to clarify the above point for my understanding. If I were to condition the thermal zone with zone equipment, it seems that my only option would be multiple PTAC/PTHP units but those would not represent my 20 ton RTU's well. Would I be wrong in saying that? Thank you! |
| 2015-04-16 20:01:09 -0500 | asked a question | Is it possible to add multiple air loops to one thermal zone? I am modeling a large manufacturing floor with about 26 package roof top units (average ~20 tons each). I have the facility floor as one thermal zone and thus would need to add 26 Package Roof top units to this one thermal zone. However, in Open Studio, when I go to add this thermal zone to a new package roof top unit it deletes the thermal zone from the previous package rooftop unit. My question is, is it possible to have multiple air loops feeding one thermal zone? If not, is there a different way I should thermally model the large facility floor? Thank you, Matt |
| 2015-04-16 17:36:04 -0500 | commented answer | How to model a Water Sourced Heat Pump (wshp) with a cooling tower on a condenser loop? Taylor, I had a follow up question as well. There are about 16 package roof top units feeding one thermal zone in the same facility. So, my question is can you add multiple air loops to one thermal zone? When I attempt to add a thermal zone to a new Package roof top unit Open Studio deletes that thermal zone from my other package roof top units. Thank you in advance! Matt |
| 2015-04-16 15:03:13 -0500 | commented answer | How to model a Water Sourced Heat Pump (wshp) with a cooling tower on a condenser loop? Taylor, thank you for answering my question! Matt |
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| 2015-04-15 11:41:11 -0500 | asked a question | How to model a Water Sourced Heat Pump (wshp) with a cooling tower on a condenser loop? All, I am building an Open Studio model that requires multiple water sourced heat pumps that are located throughout a two story office building and are on a condenser loop with a cooling tower. The wshp models are: http://www.trane.com/commercial/north... My issue is that the heat pump model only allows for evaporative cooling and once a water sourced loop is chosen, a Chiller is required. My question is: how has this been modeled in the past? If there is a solution with the HVAC Systems layout tab within Open Studio that would be preferable! Thank you, Matt |
