ASHRAE - American Society of Heating@ Refrigerating and Air-Conditioning Engineers@ Inc.
Scope
"FOREWORD This addendum modifies Informative Appendix D as follows: ?Improve variable-name consistency with body of the standard and Appendix A. ?Delete one figure@ replace with two improved figures. ?Delete ""proportional"" systems from Table D-1@ since VAV systems with fixed-position outdoor air dampers are unlikely to meet the requirements of the standard and should be discouraged. Note: In this addendum@ changes to the current standard are indicated in the text by underlining (for additions) and (for deletions) unless the instructions specifically mention some other means of indicating the changes."