LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 The V&S Guidelines indicate that the Green Rater should verify 'calculation of total effective length (TEL) for the longest supply and return duct run.' What if the TEL is embedded withi. Ruling: If the TEL cannot be verified, it's acceptable to verify an equivalent calculation for the friction coeffecient or pressure drop over the ductwork. ![]() TEL is one way to estimate pressure drop over ductwo. LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 EQ 6.1 states: '(using ACCA Manuals J and D, the ASHRAE Handbook of Fundamentals, or an equivalent computation procedure)' The project team intends to use the Carrier E20-II software to cal. Ruling: Green Rater has some discretion in determining this. The software needs to have the capability to produce room-by-room load calculations based on specific features of the home (e.g. Location, green EE. LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 EQ 6.1 requires ACCA Manual D or an equivalent. If a project installs a ductless system, such as a mini-split, is this requirement waived? Ruling: A Manual D calculation is not required, but ductless projects still have to do calculations to determine the room-by-room loads based on specific features of the home and then calculations to determin. LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 EQ 6.2 (a) requires 'Size the opening to 1 square inch per cfm of supply (this area may include free area undercut below door)', and allows various strategies including returns, transfer gri. John deere 240 lawn tractor manual. THIS DATA IS THE PROPERTY OF DEERE & COMPANY. OMGX26096 S240 Riding Lawn Tractor Copyright 2015 © Deere & Company. ALL USE AND/OR REPRODUCTION NOT SPECIFICALLY AUTHORIZED BY DEERE & COMPANY IS PROHIBITED. Ruling: If a project installs returns that are ducted directly to the AHU in every room, and these returns are properly sized as per Manual D, then the intent of EQ 6.2 (a) has been met and the project may be. LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 For part (a), what is the maximum allowable oversizing? Does it differ depending on whether heating or cooling is the primary concern? Ruling: LEED for Homes follows the guidance in the ENERGY STAR for Homes BOP: 'Maximum oversizing limit for air conditioners and heat pumps is 15% (with the exception of heat pumps in Climate Zones 5 - 8. LEED Interpretation ID# made on Prerequisite/Credit: EAc6 - Space heating and cooling equipment Rating System: LEED BD+C: Homes Rating System Version: v3 - LEED 2008 For part (a), if a multi-family project conducts the Manual J calculation and estimates that the proper HVAC size is smaller than any commercially available unit (1.5 tons), how should the prerequisit. Ruling: If the Manual J calculations indicates the need for an HVAC unit that is smaller than any commercially available unit, it is acceptable to put in a slightly oversized unit. Carrier's Hourly Analysis Program is two powerful tools in one package - versatile features for designing HVAC systems for commercial buildings AND powerful. Manual Calculations • Spreadsheet • Specialized Software: Elite Software - Chvac - Commercial HVAC Loads Carrier - Hourly Analysis Program Trane - Trace.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |