<html><head></head><body style="font-family: times new roman,new york,times,serif; font-size: 12pt;">Neither 2.1E nor 2.2 reports OA loads separately. What I have done in the past is to make two runs: one with OA, the other with no OA by setting OA to zero or a very small number (be careful about the economizer), then compare the results to get OA loads and other impacts.<br><br>EnergyPlus does have an OA report.<br><br>Tianzhen<br><br><hr><b>From: </b>postman@gard.com<br><b>Sent: </b>Wed, 7/25/2007 1:02am<br><b>To: </b>BLDG-SIM@gard.com<br><b>Subject: </b>[BLDG-SIM] BLDG-SIM@GARD.COM message digest 07/25/2007 03:01 (#2007-976)<br><br><pre><a name="top"></a><b>BLDG-SIM@GARD.COM message digest 07/25/2007 03:01 (#2007-976)<br> <br>7 messages included in this issue</b><hr>
<table width="600">
<tbody><tr><td>1</td><td><a href="#1">eQuest Outside Air Load Report</a></td><td>michael.tillou@gmail.com</td></tr>
<tr><td>2</td><td><a href="#2">Question About Equest - Space Peak Load Calculations</a></td><td>mprince@aeieng.com</td></tr>
<tr><td>3</td><td><a href="#3">Question About Equest - Space Peak Load Calculations</a></td><td>michael.tillou@gmail.com</td></tr>
<tr><td>4</td><td><a href="#4">Question About Equest - Space Peak Load Calculations</a></td><td>andrew_c@ieice.com</td></tr>
<tr><td>5</td><td><a href="#5">Gas Fireplace</a></td><td>cj@cr-jay.ca</td></tr>
<tr><td>6</td><td><a href="#6">Energy use for elevators</a></td><td>tianzhen9@yahoo.com</td></tr>
<tr><td>7</td><td><a href="#7">Energy use for elevators</a></td><td>gmehta75@gmail.com</td></tr>
</tbody></table>
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<a name="1"></a>Date: Tue, 24 Jul 2007 10:30:19 -0400<br>From: "Michael Tillou" <michael.tillou@gmail.com><br>Subject: RE: eQuest Outside Air Load Report<br><br><br>Brandon,<br> <br>I agree that there needs to be better reporting of OA loads in equest. OA<br>loads only show up in the system reports so you would have to subtract the<br>building loads from the load reports to get an approximation of the hourly<br>OA loads. Notice I said approximation. The system reports also include<br>pipe and duct losses, pump & fan heat and any other system level effects on<br>your heating/cooling. The best way I have found to check outside air is to<br>use the hourly reports. Remember you can set the hourly report output to a<br>format that can be easily opened in Excel if you need to do any additional<br>calculations.<br> <br>Mike<br> <br>Michael Tillou, PE, LEED<br>P: 413-458-9870 C: 413-652-1087<br><br> _____ <br><br>From: BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] On Behalf Of Brandon<br>Nichols<br>Sent: Monday, July 23, 2007 7:46 PM<br>To: BLDG-SIM@gard.com<br>Subject: [BLDG-SIM] eQuest Outside Air Load Report<br><br><br>Thanks to all for answers to previous question,<br> <br>Here's one more... I think it has been asked before although I<br>Google-scanned the archives could not seem to find it. Namely, where is the<br>eQuest outside air load reported? I see lots disclaimers for "The above<br>loads do not include outside air ventilation loads", but no outside air load<br>ventilation summary.<br> <br>Do I really have to take a differential between the total load and all other<br>loads to back-into an outside air load for each space and system? There's<br>needs to be a better way...!<br> <br>Thanks in advance,<br> <br> <br>Brandon Nichols, PE<br>Mechanical<br>HARGIS ENGINEERS<br><br>600 Stewart Street<br><br>Suite 1000<br><br>Seattle, WA 98101<br><br>www.hargis.biz<br><br> <br><br>d | 206.436.0400 c | 206.228.8707<br><br>o | 206.448.3376 f | 206.448.4450<br><br> <br><br><br>==================<br><br>You received this e-mail because you are subscribed <br><br>to the BLDG-SIM@GARD.COM mailing list. To unsubscribe <br><br>from this mailing list send a blank message to <br><br>BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br><a href="#top">Back to top</a>
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<a name="2"></a>Date: Tue, 24 Jul 2007 12:04:23 -0500<br>From: "Mark Prince" <mprince@aeieng.com><br>Subject: Question About Equest - Space Peak Load Calculations<br><br>I have a question about how Equest calculates the space peak load =<br>calculation.<br><br>For all of my internal heat gains (people, lights, equipment) I have =<br>schedules. When you create a schedule, it not only asks for utilization =<br>for Sunday through Saturday, but it also asks for a schedule for Design =<br>Cooling and schedule for Design Heating. I assume that the Design Cooling =<br>Schedule/Design Heating Schedule is used by Equest to calculate the peak =<br>cooling and heating load for the space.<br><br>For instance, lets say I have a laboratory with 8 watts/square foot of =<br>equipment load. From an energy standpoint, this equipment load really =<br>never gets higher than 50% throughout the year. So I create my Sunday =<br>through Saturday schedules with a peak utilization of 0.5000. However, =<br>there will be sometimes where 8 watts/square foot will be generated in the =<br>laboratory, and I need to size my zone supply airflow for this 8 watts/squa=<br>re foot. Therefore, I create my design cooling schedule to require a peak =<br>utilization of 1.000. However, when I run the simulation and go to the =<br>"LS-B Space Peak Load Component" report the peak cooling load is using the =<br>50% diversified load. Why is this happening? Shouldn't Equest be using =<br>the Design Cooling schedule which has a peak utilization of 1.000 all the =<br>time?<br><br>Sincerely,<br><br><br><a href="#top">Back to top</a>
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<a name="3"></a>Date: Tue, 24 Jul 2007 13:35:08 -0400<br>From: "Michael Tillou" <michael.tillou@gmail.com><br>Subject: RE: Question About Equest - Space Peak Load Calculations<br><br>Before equest will use the Design Day information in the schedules you need<br>to setup actual design days for the simulation to use.<br><br>You need to do this in the detailed edit under the Project & Site tab. You<br>need to create both a heating and cooling design day and then input the<br>desired temperature extremes and duration that you wish to simulate.<br>Reference the climate design data in the ASHRAE Fundamentals Handbook for<br>your location. Once you create the design days equest will use them for<br>equipment sizing rather than the peak heating & cooling loads calculated<br>from the TMY weather data.<br><br>Mike<br><br>Michael Tillou, PE, LEED<br>P: 413-458-9870 C: 413-652-1087<br><br><br>-----Original Message-----<br>From: BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] On Behalf Of Mark Prince<br>Sent: Tuesday, July 24, 2007 1:04 PM<br>To: BLDG-SIM@gard.com<br>Subject: [BLDG-SIM] Question About Equest - Space Peak Load Calculations<br><br>I have a question about how Equest calculates the space peak load<br>calculation.<br><br>For all of my internal heat gains (people, lights, equipment) I have<br>schedules. When you create a schedule, it not only asks for utilization for<br>Sunday through Saturday, but it also asks for a schedule for Design Cooling<br>and schedule for Design Heating. I assume that the Design Cooling<br>Schedule/Design Heating Schedule is used by Equest to calculate the peak<br>cooling and heating load for the space.<br><br>For instance, lets say I have a laboratory with 8 watts/square foot of<br>equipment load. From an energy standpoint, this equipment load really never<br>gets higher than 50% throughout the year. So I create my Sunday through<br>Saturday schedules with a peak utilization of 0.5000. However, there will<br>be sometimes where 8 watts/square foot will be generated in the laboratory,<br>and I need to size my zone supply airflow for this 8 watts/square foot.<br>Therefore, I create my design cooling schedule to require a peak utilization<br>of 1.000. However, when I run the simulation and go to the "LS-B Space Peak<br>Load Component" report the peak cooling load is using the 50% diversified<br>load. Why is this happening? Shouldn't Equest be using the Design Cooling<br>schedule which has a peak utilization of 1.000 all the time?<br><br>Sincerely,<br><br><br>==================<br>You received this e-mail because you are subscribed to the BLDG-SIM@GARD.COM<br>mailing list. To unsubscribe from this mailing list send a blank message to<br>BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br><a href="#top">Back to top</a>
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<a name="4"></a>Date: Tue, 24 Jul 2007 10:45:08 -0700<br>From: "Andrew Craig" <andrew_c@ieice.com><br>Subject: RE: Question About Equest - Space Peak Load Calculations<br><br>I'll also add that when you simulate a building using a California<br>climate zone, it automatically creates a Design Day report along with<br>the standard reports. This is a nice feature that seems to only be<br>incorporated with the CZ climate zones.<br><br>Andrew Craig, EIT, LEED(r) AP | Mechanical Designer<br>INTERFACE ENGINEERING=20<br>708 SW Third Avenue | Suite 400 | Portland, OR 97204=20<br>direct: 503.382.2696<br>office: 503.382.2266<br>fax: 503.382.2262<br>email: Andrew_C@ieice.com<br>web: www.ieice.com=20<br>Consultants of Choice to the Built Environment for over 35 years<br>Kirkland, WA | Portland, OR | Sacramento, CA | Salem, OR | SanFrancisco,<br>CA<br><br>-----Original Message-----<br>From: BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] On Behalf Of Michael<br>Tillou<br>Sent: Tuesday, July 24, 2007 10:35 AM<br>To: BLDG-SIM@gard.com<br>Subject: [BLDG-SIM] Question About Equest - Space Peak Load Calculations<br><br>Before equest will use the Design Day information in the schedules you<br>need<br>to setup actual design days for the simulation to use.<br><br>You need to do this in the detailed edit under the Project & Site tab.<br>You<br>need to create both a heating and cooling design day and then input the<br>desired temperature extremes and duration that you wish to simulate.<br>Reference the climate design data in the ASHRAE Fundamentals Handbook<br>for<br>your location. Once you create the design days equest will use them for<br>equipment sizing rather than the peak heating & cooling loads calculated<br>from the TMY weather data.<br><br>Mike<br><br>Michael Tillou, PE, LEED<br>P: 413-458-9870 C: 413-652-1087<br><br><br>-----Original Message-----<br>From: BLDG-SIM@gard.com [mailto:BLDG-SIM@gard.com] On Behalf Of Mark<br>Prince<br>Sent: Tuesday, July 24, 2007 1:04 PM<br>To: BLDG-SIM@gard.com<br>Subject: [BLDG-SIM] Question About Equest - Space Peak Load Calculations<br><br>I have a question about how Equest calculates the space peak load<br>calculation.<br><br>For all of my internal heat gains (people, lights, equipment) I have<br>schedules. When you create a schedule, it not only asks for utilization<br>for<br>Sunday through Saturday, but it also asks for a schedule for Design<br>Cooling<br>and schedule for Design Heating. I assume that the Design Cooling<br>Schedule/Design Heating Schedule is used by Equest to calculate the peak<br>cooling and heating load for the space.<br><br>For instance, lets say I have a laboratory with 8 watts/square foot of<br>equipment load. From an energy standpoint, this equipment load really<br>never<br>gets higher than 50% throughout the year. So I create my Sunday through<br>Saturday schedules with a peak utilization of 0.5000. However, there<br>will<br>be sometimes where 8 watts/square foot will be generated in the<br>laboratory,<br>and I need to size my zone supply airflow for this 8 watts/square foot.<br>Therefore, I create my design cooling schedule to require a peak<br>utilization<br>of 1.000. However, when I run the simulation and go to the "LS-B Space<br>Peak<br>Load Component" report the peak cooling load is using the 50%<br>diversified<br>load. Why is this happening? Shouldn't Equest be using the Design<br>Cooling<br>schedule which has a peak utilization of 1.000 all the time?<br><br>Sincerely,<br><br><br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D<br>You received this e-mail because you are subscribed to the<br>BLDG-SIM@GARD.COM<br>mailing list. To unsubscribe from this mailing list send a blank<br>message to<br>BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=<br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=<br>=3D=3D=3D=3D<br>You received this e-mail because you are subscribed=20<br>to the BLDG-SIM@GARD.COM mailing list. To unsubscribe=20<br>from this mailing list send a blank message to=20<br>BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br><br><a href="#top">Back to top</a>
<hr>
<a name="5"></a>Date: Tue, 24 Jul 2007 17:10:04 -0400<br>From: Chris Jones <cj@cr-jay.ca><br>Subject: Re: Gas Fireplace<br><br>The tricky thing is the schedule of fireplace use. Then you need to <br>determine how much heat is transferred into the space versus how much <br>goes up the chimney. Then define a process load and schedule. Set <br>the sensible gain appropriately. In the zone you need to define an <br>exhaust fan, fan power and schedule to match the source use schedule.<br><br>At 17:24 2007-07-05, you wrote:<br>>Hello Analyst/Engineers,<br>><br>>Need input on how to model fireplace and the dedicated exhaust fan.<br>>It is 300,000Btu/h gas fire place that is used for esthetical only. <br>>All heat is being exhausted through the chimney with 3200cfm VSD exhaust fan.<br>> * Can somebody point me how to model this in eQuest?<br>> * Since it is not used for heating purposes, I assume it should <br>> be modeled both for baseline and proposed model?<br>>Any input is greatly appreciated.<br>>Thanks<br>><br>>Virdiansyah "Virdi" Permana<br>>EMSI<br>>Energy Analyst<br>>(202) 291 3102 T<br>>(202) 291 3107 F<br>><br>><br>><br>><br>><br>>You received this e-mail because you are subscribed<br>>to the BLDG-SIM@GARD.COM mailing list. To unsubscribe<br>>from this mailing list send a blank message to<br>>BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br>Chris Jones, P.Eng.<br>14 Oneida Avenue<br>Toronto, ON M5J2E3<br>Tel. 416 203-7465<br>Fax. 416 946-1005 <br><br><br><br><br><br><a href="#top">Back to top</a>
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<a name="6"></a>Date: Tue, 24 Jul 2007 19:55:33 -0700 (PDT)<br>From: Zhen Tian <tianzhen9@yahoo.com><br>Subject: RE: Energy use for elevators<br><br>Eric,<br> <br> Thanks a lot for your reply.<br> <br> I have a further question. If we have the elevator power data, what appropriate schedule should we use to approximately to get the elevator annual energy use?<br> <br> I checked the ASHREAE Appendix G but cannot find appropriate schedule for elevators.<br> I think the schedule of elevators are quite diffent from other schedules like occupancy scheule. One example, supposing people work from 8am to 6pm continuously, I guess that elevator working schedule should not be the same. Do you have any ideas what appropriate schedule should we use?<br> <br> Thanks a lot.<br> <br> Regards,<br> <br> David <br><br>Eric Yang <eric.yang@smithgroup.com> wrote:<br> Yes, ASHRAE 90.1 Appendix G requires modeling elevator energy as long as it is designed in the project. You can come up a realistic schedule or stick to a standard schedule in Appendix G if necessary. <br><br>Eric<br>Smithgroup<br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><br><a href="#top">Back to top</a>
</eric.yang@smithgroup.com><hr>
<a name="7"></a>Date: Tue, 24 Jul 2007 21:59:58 -0700<br>From: "Gaurav Mehta" <gmehta75@gmail.com><br>Subject: Re: Energy use for elevators<br><br><br>David,<br><br>Table G-E to G-N in the User Manual for ASHRAE 90.1-2004 provides the =<br>default schedules (occupancy, lighting, HVAC, DHW and Elevator) which =<br>can be used for Appendix G analysis if the actual schedules are not =<br>known.<br><br>Moreover, if you are using eQuest then in the detail mode go to daily =<br>schedules and right click and select 'create daily schedules' and in the =<br>pop-up window click on 'Load Component from Library'. Form the drop down =<br>menu in the 'Category' select 'Elevator Schd' and from drop down menu in =<br>the 'Entry' select the appropriate schedule. And then go on to make =<br>weekly and annual schedules.=20<br>I have not made a comparison, but they might be a bit different from the =<br>schedules provided in the User Manual.=20<br><br>Furthermore, you can assign the elevator power data (in kW) directly to =<br>the Electric Meter using the 'Interior Direct Loads' tab and then =<br>selecting the elevator schedule from the drop down menu. This enduse can =<br>be assigned to Misc Equipment and will show up in addition to the plug =<br>loads in the BEPU and BEPS report. =20<br><br><br>Best regards,<br><br>Gaurav Mehta<br>Sustainable Building Analyst<br>Stantec<br><br><br> ----- Original Message -----=20<br> From: Zhen Tian=20<br> To: BLDG-SIM@gard.com=20<br> Cc: BLDG-SIM@gard.com=20<br> Sent: Tuesday, July 24, 2007 19:55<br> Subject: [BLDG-SIM] Energy use for elevators<br><br><br> Eric,<br><br> Thanks a lot for your reply.<br><br> I have a further question. If we have the elevator power data, what =<br>appropriate schedule should we use to approximately to get the elevator =<br>annual energy use?<br><br> I checked the ASHREAE Appendix G but cannot find appropriate schedule =<br>for elevators.<br> I think the schedule of elevators are quite diffent from other =<br>schedules like occupancy scheule. One example, supposing people work =<br>from 8am to 6pm continuously, I guess that elevator working schedule =<br>should not be the same. Do you have any ideas what appropriate schedule =<br>should we use?<br><br> Thanks a lot.<br><br> Regards,<br><br> David=20<br><br> Eric Yang <eric.yang@smithgroup.com> wrote:<br> Yes, ASHRAE 90.1 Appendix G requires modeling elevator energy as =<br>long as it is designed in the project. You can come up a realistic =<br>schedule or stick to a standard schedule in Appendix G if necessary.=20<br><br> Eric<br> Smithgroup<br><br><br> -----Original Message-----<br> From: BLDG-SIM@gard.com on behalf of Zhen Tian<br> Sent: Mon 7/23/2007 10:36 PM<br> To: BLDG-SIM@gard.com<br> Subject: [BLDG-SIM] Energy use for elevators<br><br> Dear All,<br><br> I have seen some messages these days asking the energy use of =<br>elevators. But it seems that there is no very accurate way of modeling =<br>annual lift energy use.<br><br> If we need to simulate building energy use according to ASHRAE =<br>90.1-2004 for LEED accrediation in e-QUEST, do we need to simulate =<br>elevator energy use or not? Is it a must do? Could somebody with =<br>experience with this topic give me some hints?<br><br> Thanks a lot in advance.<br><br> Regards,<br><br> David<br><br><br><br><br><br><br> ---------------------------------<br> Take the Internet to Go: Yahoo!Go puts the Internet in your pocket: =<br>mail, news, photos & more.=20<br><br> =<br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=<br>=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=<br>=3D=3D=3D=3D<br> You received this e-mail because you are subscribed=20<br> to the BLDG-SIM@GARD.COM mailing list. To unsubscribe=20<br> from this mailing list send a blank message to=20<br> BLDG-SIM-UNSUBSCRIBE@GARD.COM<br><br><br><br><br><br><br><br><a href="#top">Back to top</a>
</eric.yang@smithgroup.com><hr>
End BLDG-SIM@GARD.COM message digest 07/25/2007 03:01 (#2007-976)<hr>
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