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If pursuing Option 2, what is the scope of the energy model if the space shares a central plant, and what type of software should be used?

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CI-2009 EAc1.3:Optimize Energy Performance—HVAC

LEED CI - HVAC Syatem selection and Fan power Modeling

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SAMY Chamy
Enginneer
T&T Green
LEEDuser Basic Member
9 thumbs up

Dear All:- How to select the Baseline HVAC system for LEED CI Project and how I calculate the fan power for fan interlocked with HVAC system Can we us the 7Group fan power calculator for baseline HVAC fans Actual building HVAC system is VRF and our project area is 20000 Sq.ft office only so which is our baseline system In which basis base case system is selected at ASHRAE 11.3.2 either by Air conditioned area of project or others if we model VRF as baseline HVAC means how can we have saving in HVAC system

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Marcus Sheffer
LEED Fellow
7group / Energy Opportunities
LEEDuser Expert
4454 thumbs up

Wed, 08/24/2016 - 14:55

Yes you can use the fan power calculator if using Appendix G.It appears to be the same in Section 11 but I am not certain of that. For a Section 11 model I think you are a System #9 but I have not applied that section in a very long time. See Figure 11.3.2. For Appendix G you are a system 4. There are no VRF baselines.

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