Changing HVAC systems

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Cormac Regan
Posts: 30

Changing HVAC systems

Postby Cormac Regan » Mon Jan 06, 2014 5:23 pm


I have been working on the attached file and have noticed that if I change HVAC system then I loose details of local extract ventilation.
IE, if I set HVAC Type 1 and turn on local extract ventilation and then later change HVAC to Type 2 the local extract ventilation turns off.

Is this a bug???


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Andrew Bairstow
Site Admin
Posts: 504
Location: Birmingham, UK

Postby Andrew Bairstow » Mon Jan 06, 2014 6:04 pm

Not sure at the moment the reason for this. Whilst I was able to duplicate this when reassigning hvac at zone level I noticed that if hvac is assigned at a higher level then the details of the extract ventilation are retained. Thus if hvac is reassigned at block or building level there will not be a hidden change to assignments at zone level (which would be a concern). We will investigate it further.
Andrew Bairstow
DesignBuilder Software

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