https://communities.bentley.com/products/building/performance/w/building_performance__wiki/38143/energy-calculation---hws-and-occupancyen-USTelligent Community 12https://communities.bentley.com/products/building/performance/w/building_performance__wiki/38143/energy-calculation---hws-and-occupancyWed, 04 Apr 2018 15:57:42 GMT6dad98f5-dbc9-4c4d-a9ba-e9da8dc6aa8e:5fbb680d-0941-4a99-ac70-5a9d6bcf0f84Shane Reganhttps://communities.bentley.com/products/building/performance/w/building_performance__wiki/38143/energy-calculation---hws-and-occupancy#commentsCurrent Revision posted to Hevacomp Wiki by Shane Regan on 4/4/2018 3:57:42 PM<br /> <table style="background-color:#dce5f0;border:0px solid #dce5f0;" border="0"> <tbody> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;" width="30%"><strong>Product(s):</strong></td> <td>Hevacomp</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Version(s):</strong></td> <td>V8i</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Environment:</strong></td> <td>N/A</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Area:</strong></td> <td>Mechanical Designer</td> <td></td> </tr> <tr> <td style="text-align:right;"><strong>&nbsp;</strong></td> <td style="text-align:right;"><strong>Subarea:</strong></td> <td>Design Database</td> <td></td> </tr> </tbody> </table> <h1>Problem</h1> <p>Hot Water Usage is reported as zero upon running the Design Database Energy calculation.</p> <h1>Solution</h1> <p>The Hot water usage calculation is dependent on litres used per person per day, so a result of zero usually means that the room is unoccupied.</p> <p>Please go to room data for the relevant room(s) and ensure the occupancy is not set to zero.</p> <p><img style="display:block;margin-left:auto;margin-right:auto;" alt=" " src="/resized-image/__size/640x480/__key/communityserver-wikis-components-files/00-00-00-00-18/occ.png" /></p> <p>Alternatively Global Change can be used to edit&nbsp;this setting for multiple rooms.</p> <p></p> <p><a href="/cfs-file/__key/communityserver-wikis-components-files/00-00-00-00-18/NewLogo.png"><img style="border-width:0px;" alt=" " height="60" src="/cfs-file.ashx/__key/communityserver-components-sitefiles/TSG-Logo.png" width="189" /></a></p><div style="clear:both;"></div> <div style="font-size: 90%;">Tags: HWS Energy Use, results, DDB, Hevacomp, Energy</div>