[Equest-users] Total Run Hours

[Mehta, Gaurav]

Connor,

 

In addition to the fan schedule, the total run hours are also affected by the 'Night Cycle Control'. Please check if the baseline and the proposed building models have the same night cycle control. 

 

Even if the fans are set to cycle on during night time in both the models, the total run hours can be slightly different due to differences in building envelope. e.g. the proposed building might have a well insulated envelope and may not call for heating during night time to maintain the thermostat set back. Whereas, the baseline building (or a zone in the building) might call for heating during night time and thus would result in the fans cycling on during night time.

 

 

Gaurav Mehta, LEED® AP
Sustainable Building Analyst
Stantec

1932 First Avenue Suite 307
Seattle WA 98101
Ph: (206) 770-7779
Fx: (206) 770-5941
Gaurav.Mehta at stantec.com

stantec.com <http://www.stantec.com>  

 

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From: equest-users-bounces at lists.onebuilding.org [mailto:equest-users-bounces at lists.onebuilding.org] On Behalf Of Jansen, Connor
Sent: Thursday, August 19, 2010 10:57 AM
To: equest-users at lists.onebuilding.org
Subject: [Equest-users] Total Run Hours

 

 

Hello All,

 

Quick question for you. How are the total run hours summated in the SS-R reports? I have two models baseline and proposed with the same fan schedules however the run hours are different. I was under the impression that the run hours are directly related to the times in which the fans are scheduled off/on. Perhaps this is still the case and something else has been altered between my runs. Thank you for the clarification. 

 

Regards,

 

Connor

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