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ASHRAE and voltage drop

CS-2009 EAp2:Minimum energy performance
posted by  BH .  on 

ASHRAE puts a requirement to keep in electrical services on the feeders max 2% voltage drop and on the branch circuits max 3%.

1
Wed Apr 2, 2014, 2:15 pm

Fan's power

CS-2009 EAp2:Minimum energy performance
posted by  Michela Tedeschi  on 

Hello all, two little questions about fan's power: - Which is exactly the difference between demand fan power, peak fan power and fan power allowance? - How do i have to relate baseline and propose

1
Mon Oct 22, 2012, 2:33 pm

Energy model

CS-2009 EAp2:Minimum energy performance
posted by  gabriel Morales  on 

Is it possible to model the building on Energy Plus and the underground parking lot calculation do it by extraordinary calculations? Also if it is a mixed use building, is it possible to model the

1
Fri Mar 6, 2015, 9:24 pm

Compliance with MP 7.4

CS-2009 EAp2:Minimum energy performance
posted by  Sandra Holmström  on 

In 7.4.4.2 Temperature maintenance controls recirculating hot-water systems shall be equipped with automtatic time switches or other controls that can be set to switch off the usage temperature mai

1
Wed Mar 13, 2013, 1:26 pm

Duct / Piping / Equipment insulation

CS-2009 EAp2:Minimum energy performance
posted by  Dave Hubka  on 

Does LEED allow the modeler to claim savings for increased insulation on either the ductwork, piping, or equipment itself?

1
Mon Apr 13, 2015, 9:16 pm

Outdoor Air Ventilation Rates to be Modeled

CS-2009 EAp2:Minimum energy performance
posted by  Ned Halling  on 

It is not clear to me how to model the "minimum outdoor air ventilation rates".

0

ACP / developer control percentage penalizes existing buildings?

CS-2009 EAp2:Minimum energy performance
posted by  Jareb Ketay  on 

I've done a number of Core and Shell models before, and always use the ACP calculator.

1
Thu Jun 9, 2016, 2:40 pm

Zone adjust in residential project

CS-2009 EAp2:Minimum energy performance
posted by  Panupant Phapant  on 

We have an apartment building project. In 1 dwelling unit has 1 bedroom 1 living unit and restroom. Do I need to separate between bedroom and living quarter ?

1
Mon Sep 12, 2016, 1:42 pm

Fan Power in the Proposed Building Design (C&S)

CS-2009 EAp2:Minimum energy performance
posted by  TOMAS URIBE  on 

I'm working on a project pursuing LEED Core&Shell Certification and I'm not sure about the following matter: What is the correct approach when simulating fan power in the proposed case for ten

1
Tue May 29, 2012, 12:46 pm

Automatic Lighting Shutoff for tenant spaces

CS-2009 EAp2:Minimum energy performance
posted by  Katherine Ann Resurreccion  on 

Do tenant spaces need to be included in the areas controlled by the automatic shutoff as mentiaoned in section 9.4.1.1 (ASHRAE 90.1)?

1
Thu Jul 26, 2012, 4:26 pm