Equipment Sizing & Installation: Michael D. Haughey, P.E
Equipment Sizing & Installation: Michael D. Haughey, P.E
Equipment Sizing & Installation: Michael D. Haughey, P.E
All rights reserved. Any use, reproduction, or distribution of this information in any form is restricted.
Boulder, CO
06/17/2002
Slide 2
Subject to the restriction notice on
the first page of this document.
Equipment Sizing
Steps in equipment sizing and selection
Load Calculations
Equipment Selection
06/17/2002
Slide 3
Subject to the restriction notice on
the first page of this document.
06/17/2002
Slide 4
Subject to the restriction notice on
Load Calculations the first page of this document.
06/17/2002
Slide 5
Subject to the restriction notice on
Load Calculations the first page of this document.
06/17/2002
Slide 7
Subject to the restriction notice on
Load Calculations the first page of this document.
06/17/2002
Slide 8
Subject to the restriction notice on
Load Calculations the first page of this document.
Rules of Thumb
NEVER use rules of thumb to size and select equipment
Y This may lead to many of the equipment sizing problems listed
previously DESIGN
TIP
Q Rules of Thumb should be used as a sanity check only
Y Are useful to verify ballpark value of final load calculations
Y Are useful for verifying the ballpark value of software calculations
Remember...
Y Rules of thumb are different for each type of building
» An office building will not have the same “load per square foot” rule of
thumb as a restaurant or classroom, etc.
06/17/2002
Slide 15
Equipment Sizing Resources
06/17/2002
Slide 16
Equipment Sizing Resources
06/17/2002
Slide 17
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
06/17/2002
Slide 18
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
Q McGuiness
Y Mechanical and Electrical Equipment for Buildings
06/17/2002
Slide 19
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
06/17/2002
Slide 22
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
06/17/2002
Slide 23
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
Design Software
Q Most packages include loads, psych, duct sizing, energy
calcs, coil selection, etc.
Q Can be very detailed and provide room by room results
and systems and building totals
Q May be a helpful resource for larger commercial jobs
Q Products
Y Wrightsoft
» Rightsuite Residential
» Rightsuite Commercial
Y Carmel
» Design Build 4.0
Y Others
06/17/2002
Slide 24
Subject to the restriction notice on
Equipment Sizing Resources the first page of this document.
Equipment Installation
Properly sizing
and selecting
high efficiency
equipment is only
HALF of the Properly installing
process! that equipment
and accessories is
the second HALF
06/17/2002
Slide 26
Subject to the restriction notice on
the first page of this document.
Equipment Installation
Remember you are selling High Quality!
Q Follow Manufacturer’s and Industry Guidelines.
This will help:
Y Minimize chance of faulty operation
Y Minimize chances of premature failure
Y Minimize occupant comfort complaints
Y Minimize maintenance/service problems
Y Allow yourself to spend more time selling, less time fixing
Y Improve the chances of customer satisfaction
INSTALL
Make sure you check ASHRAE 90.1 for the latest requirements. TIP
06/17/2002
Slide 27
Subject to the restriction notice on
Equipment Installation the first page of this document.
06/17/2002
Slide 28
Subject to the restriction notice on
Equipment Installation the first page of this document.
Utilities estimate that as much as 25% of heating and cooling costs are lost
through leaky ductwork.
RSES Journal Sept 2001
06/17/2002
Slide 29
Subject to the restriction notice on
Equipment Installation the first page of this document.
06/17/2002
Slide 30
Subject to the restriction notice on
Equipment Installation the first page of this document.
06/17/2002
Slide 31
Subject to the restriction notice on
Equipment Installation the first page of this document.
May cost more, but the end result is a much higher quality end product!
06/17/2002
Slide 32
Subject to the restriction notice on
Equipment Installation the first page of this document.
06/17/2002
Slide 33
Subject to the restriction notice on
Equipment Installation the first page of this document.
06/17/2002
Slide 34
Subject to the restriction notice on
Equipment Installation the first page of this document.
Installation Resources
Q Building Codes, Local Codes and Code Handbooks
Q ACCA www.acca.org
Y Manual L - Recommended Installation Practices
Q SMACNA www.smacna.org
Y Installation Standards
Q Carrier www.carrier-commercial.org
Y Installation Procedures Handbook
Q Energy & Environmental Building Association (EEBA)
www.eeba.org
Y Mixed Climate Builder’s Guide (& other builder’s guides)
Q RSES www.rses.org
Y Service Application Manuals (SAM)
Q Consortium for Energy Efficiency www.cee1.org
Y Commercial HVAC Installation Guide
06/17/2002
Slide 35
Subject to the restriction notice on
the first page of this document.
Conclusion
Properly Sizing and Installing Equipment...
Q Promotes the highest possible efficiency for the
selected equipment
Q Contributes to maintaining the benefits of high
efficiency equipment : comfort, quality,
energy/cost savings, reliability
Q Contributes to overall customer satisfaction
Q Adds Value
Q Sets you apart!
06/17/2002
Slide 36