Join Us For our Meeting at our New Location
For our May 6th Meeting
PLEASE NOTE: the presentation will start promptly at 12 pm. Please plan to arrive between 11:30-11:45 a.m. to get your food and be seated in order to start on time :)
Location reminder!
We will now be having our monthly meetings at the Limbach office training room. This will allow us to have more variety in food options while being closer to downtown than our previous location. Parking is available in the lot in front of the building and street parking free of charge.
Address: 3097 S Orchard Knob Avenue
Lunch will be $20.00 for non-members. Please remember to join ASHRAE and pay your local chapter dues to receive a discounted price on lunches.
Here are the details for our presentation this month:
Topic: Variable Speed Drive Pump Balance and Commissioning
Learning Objectives
• Basic understanding of variable speed pump curves based on RPM, KW, differential pressure and flow
• Understand ASHRAE 90.1 STANDARD impact on Variable Speed Pumps and Proportional Balance
• Understand the need of a Pump Main Balance valve for ASHRAE Proportional Balance and Over headed Pumps on Variable Speed
• Define pump flow diversity (total open valve flow demand and pump design flow demand). How do you balance and Commission ?
• Fundamentals of Balance and Commissioning stand alone VFD pumps, Sensorless pumps and Variable Speed drive pumps with remote sensors
Speaker Bio:
Chris Edmondson received his B.S. Degree in Mechanical Engineering from North Carolina State University in 1967. During his summers, he worked at Barber Coleman and Jay Johnson Controls. After graduation, he spent four and as a salesman with the Trane Company. In 1971, he came to work for the James M. Pleasants Co., Inc. (Manufacturer's Representative for Xylem) He worked as an Outside Salesman until 1978, when he was promoted to Vice President and Sales Manager till 1987. From 1987 to 2010, he has served as President of the Pleasants Company. Chris is currently CEO of James M. Pleasants Company.
Chris has served many years in the ASHRAE organization, holding positions such as Secretary/Treasurer, Vice President and President of the Piedmont Chapter. For the fiscal year, 1985-86, Chris received the Rudy Ferguson Memorial Award (Presidential Award of Excellence). In 1985, he became a Technical Speaker to various ASHRAE chapters which continued through 2023. He spoke at many ASHRAE's CRC meetings as a Technical Speaker. He held the position of Educational Activities Vice Chairman for Region IV from 1992 to 1994. In 1995 he was the Chapter Program Chairman for Region IV. He has served as Region IV DRC and on the ASHRAE Board of Directors. He is a retired Distinguished Lecturer for ASHRAE and has served on the nominating committee. During 1980 through 2023, he has presented seminars to various engineers on the following subjects:
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Basic Primary/Secondary Variable Volume Pumping
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Chiller Plant Piping
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Air Control Systems
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Plumbing Piping Systems
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Cooling Tower Piping
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Basic Steam Piping
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Condensate Return Systems
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Hot Water Recirculation
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Balance of Hydronic Systems
His principal areas of interest are energy savings, primary/secondary variable volume systems, heat transfer, hydronic systems, plumbing piping systems and central chilled water plant design.
Please join us for a family friendly bowling event in June! Bring you spouse, significant other, and/or kids.
