ANSI ASHRAE 62.2 ERTA-2016 Ventilation and Acceptable Indoor Air Quality in Residential Buildings.pdf

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1、Page 1 of 2 2016 ASHRAE. All rights reserved. ERRATA SHEET FOR ANSI/ASHRAE STANDARD 62.2-2016 Ventilation and Acceptable Indoor Air Quality in Residential Buildings November 4, 2016 The corrections listed in this errata sheet apply to all copies of ANSI/ASHRAE Standard 62.2-2016. The first printing

2、is identified on the outside back cover as “Product code: 86198 3/16” and the second printing is identified as “Product code: 86198 5/16 Includes all errata issued as of May 24, 2016”. The shaded items have been added since the previously published errata sheet dated October 7, 2016 was distributed.

3、 Items identified with an asterisk “*” apply only to the first printing and have already been incorporated into the second printing. NOTICE: ASHRAE now has a list server for Standing Standards Project Committee 62.2 (SSPC 62.2). Interested parties can now subscribe and unsubscribe to the list server

4、 and be automatically notified via e-mail when activities and information related to the Standard is available. To sign up for the list server please visit Project Committee List Servers on the Standards and Guidelines section of the ASHRAE website at https:/www.ashrae.org/standards-research-technol

5、ogy/standards-guidelines/standards-activities/project-committee-list-servers. Page Erratum Foreword Change the second the third sentences of the second paragraph of the Foreword as shown below. (Note: Additions are shown in underline and deletions are shown in strikethrough.) As in the previous edit

6、ions of this standard, there are three primary sets of requirements and a number of secondary ones. The three primary sets involve whole-building dwelling-unit ventilation, local demand-controlled exhaust, and source control. Whole-building Dwelling-unit ventilation is intended to dilute the unavoid

7、able contaminant emissions from people, from materials, and from background processes. 4* 4.1.2 Infiltration Credit. Change reference 4 in Section 4.1.2a as shown below. (Note: Additions are shown in underline and deletions are shown in strikethrough.) RESNET Mortgage Industry National Home Energy R

8、ating Systems Standard49* 7.2.2 Demand-Controlled Local Exhaust Fans. In Section 7.2.2 change “3 sone” to “3 sones” in two places. 9* 9 References. Change reference number 1 in Section 9 to read as follows: 1. ANSI Z765-2003, Square Footage - Method for Calculating. National Association of Home Buil

9、ders Research Center, Inc., Upper Marlboro, MD. 24 Table B1 U.S. Climates. In Table B1 change Weather Station name from “Worchester Regional Arpt.” to “Worcester Regional Arpt.” for Massachusetts. See below. ANSI/ASHRAE Standard 62.2-2016 Errata Page 2 of 2 2016 ASHRAE. All rights reserved. 725095 0

10、.59 Worchester Worcester Regional Arpt 42.27 71.88 Massachusetts31 C2.2.2 Smaller Time Step Method. Change the last sentence in the second paragraph of Section C2.2.2 and Equations C1 and C2 to read as shown below. Alternatively, if ELA is calculated using Section 4.1.2, n is assumed to be 0.65, and

11、 C is calculated using Equation C1 or C2: C = 7400 ELA (I-P) (C1) C =1050 ELA (SI) (C2) where C = envelope leakage coefficient, cfm/in. of watern(L/s/Pan) ELA = effective leakage area, ft2(m2) 41 C2.2.1 Annual Average Method. Revise Section C2.2.1 as shown below. (Note: Additions are shown in underline and deletions are shown in strikethrough.) C2.2.1 Annual Average Method. To calculate Qinf,i, divide use the result from Equation 4.5, Section 4.1.2 Qinfby the number of time steps in a year.