Equipment Sizing

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Hey eQuesters,

I am trying to figure out where to enter the size of my heat pump equipment
in the detailed interface. As far as I can tell there are two places. If I
go under the "Air-Side HVAC" tab then all of my systems are displayed on the
left side in the component tree. Each system has two options I can right
click on, for Example "EL1 Sys1 (PSZ) (G.ENE1)" and "EL1 ENE Perim Zn
(GENE.1)", the second option being a sub tab of the first. When I right
click on the main tab and go to properties there are "cooling" and "heating"
tabs which both have options for Total Capacity, which I would assume is
where I should enter my system sizes. I then found on the sub tab when you
go to properties on the first tab "Basic Specifications" there is a "Zone
Cooling and Heating" area at the bottom which also has Total Capacity, which
was not the same as what I entered in the first area. Should these match,
if not does anyone know what the difference between these two is?

Thanks,

Michael Shields

M. Shields's picture
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Joined: 2011-09-30
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Michael,

IMHO, you were right in the first place: input the Btuh numbers for the *
systems* using the heating and cooling tabs, *System* sizes are not zone
inputs and I don't know how it was that you could even see any numbers on
your zone screens. For my building that uses heat pumps, the sizes
*only*show up on the Air-Side HVAC System screens under heating and
cooling.

Now, others can agree or disagree with me. If anyone is willing to speak to
total vs sensible please do as you will no doubt do it better than I.

Cheers,
Carol

cmg750's picture
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Joined: 2010-10-05
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