Plamen Hristov
Virtual Design Manager
© 2011 Autodesk

Plamen Hristov
• Engineering Degree – Sofia, Bulgaria
• Architectural Technology – MCTC, Minneapolis
• 5+ Years Teaching, Consulting, and Support Services
• Certified Implementation Expert in Revit MEP
• Lectured at two colleges
© 2011 Autodesk

Learning Objectives
At the end of this class, you will be able to:
 Create a diffuser family with auto-sizing neck
 Create a VAV box that automatically selects its size based on the connected CFM


Export and import of gbXML
“Push” load calculation data into spaces, zones, diffusers, and VAV boxes
© 2011 Autodesk

© 2011 Autodesk

The Diffuser Features
 Parametric
 Manufacturer specific sizes
 Parameters to fill out the schedule
 Auto sizing neck based on connected air flow
 Tag
© 2011 Autodesk

© 2011 Autodesk

The “Universal” Single Duct VAV Box Features…
 Parametric
 Manufacturer specific sizes
 Parameters to fill out the schedule
 Control box
 Clearance requirements
 Pipe and duct connections
 Reheat coil
 Right and left hand VAV box
 Air Flow data
 Parameters to fill out the schedule
 Attenuator - with variable connector configurations
 Attenuator check - duct connected to the attenuator must be at least 2" smaller
 Auto sizing based on connected air flow
 Override of auto sizing - used when there is not diffusers yet, or in special conditions
 MBH and GPM calculations
 Tag
© 2011 Autodesk

Display Level Detail
 VAV box
 VAV box with clearance
 VAV box with clearances and reheat coil
 VAV box with clearances, reheat coil, attenuator
 VAV box with clearances, reheat coil, attenuator and duct lining
© 2011 Autodesk

© 2011 Autodesk

DO “Water Tight” Building
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DO - Delete Duplicate and Unbound Spaces
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DO - Assign Wall Functions
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DO - Ceilings Must not Bound Rooms and Spaces
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DO - Create Custom Tags to Display Energy Analysis Data
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DO - Assign Spaces to Zones
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DON’T – Over Model
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Don’t Model Individual Floor Slabs per Rooms
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Don’t Edit Wall Profile – Use Openings and Objects Instead
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What Goes to Trane?
 Space names and numbers
 Zones - All zone data except the
Relative Humidity
 Walls
 Thermostat data
 Adjacent space name and number
 People occupancy
 Lighting and misc load are loaded in the space not in the template
 Power Load in Revit = Misc Load in
Trane
© 2011 Autodesk

What Doesn’t Go to Trane?
 Doors on curtain walls
 Construction types and U factors
 Modifications to walls profiles
 Shading elements
 Building location
 Weather data
 Roof tilt angles
 Space separation lines
© 2011 Autodesk

© 2011 Autodesk

The Workflow…



Prepare the Revit model
Create a new “Link” using the Ideate
BIMLink
Export the “Link” to Excel
 Process the data in Excel
 Import back into Revit using Ideate
BIMLink
 Verify the imported data
© 2011 Autodesk

Summary
 Diffuser and VAV Box Families Automating Size Selections
 Rules of DOs and DON’Ts When Working with gbXML
 “Push” load calculation data into spaces, zones, diffusers, and VAV boxes
© 2011 Autodesk

Thank You
 Reminder – Class ID is MP4973
Plamen Hristov phristov@capital-engineering.com
© 2011 Autodesk

Autodesk, AutoCAD* [*if/when mentioned in the pertinent material, followed by an alphabetical list of all other trademarks mentioned in the material] are registered trademarks or trademarks of Autodesk, Inc., and/or its subsidiaries and/or affiliates in the USA and/or other countries. All other brand names, product names, or trademarks belong to their respective holders. Autodesk reserves the right to alter product and services offerings, and specifications and pricing at any time without notice, and is not responsible for typographical or graph ical errors that may appear in this document. © 2011 Autodesk, Inc. All rights reserved.
© 2011 Autodesk