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[EnergyPlus_Support] 3 questions



Hi, All,
I have the following 2 questions:

1. To simulate a zone that all "envolope" walls are not exposed to exterio 
environment but interior environment (an air conditioned space), how to 
difined the surfaces:heat transfer? especially the following field:
    ....
    ExteriorEnvironment,     !- OutsideFaceEnvironment
    ,                        !- OutsideFaceEnvironment Object
    NoSun,                   !- Sun Exposure
    NoWind,                  !- Wind Exposure
    ....
How about the exposed space is kept at certain temperature, how to specify 
that effect?

2. If the chilled water supply is done by 3 parralel pumps, the pumps 
start/stop depends on the load. How to model the plant loop? It seems that 
it only allow 1 mixer (or splitter) in each loop, but to model the parralel 
pumps, it has to allow more than one mixer(splitter) in the plant loop.

3. For a constant COP chiller, is there a way to schedule the chilled water 
outlet temperature, so that in the night it supply lower temperature water 
with lower COP, and in the day it supplys higher temeperature water with 
higher COP?

Thanks a lot!

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