Page 1 of 1 2011 ASHRAE. All rights reserved. .ERRATA SHEET FOR ANSI/ASHRAE STANDARD 116-2010 Methods of Testing for Rating Seasonal Efficiency of Unitary Air Conditioners and Heat Pumps September 6, 2011 The corrections listed in this errata sheet apply to ANSI/ASHRAE Standard 116-2010. The first printing is identified on the outside back cover as “Product code: 86350 4/10”. Page Erratum 20 9.5.2 Heating, Steady-State. Replace the equation in Section 9.5.2 with the following: qtho= xvr(hr1 hr2) + 3.413i