The R. L. Deppmann Monday Morning Minutes will look at near pump piping over the next several weeks. Let’s start by looking at pipe sizing …
Variable Flow in Hydronic Systems with Three-Way Control Valves
Often times, the engineer is replacing the existing secondary pump in a system with a combination of two way and three-way control valves. How do …
Parallel Pumping with Unequal Condensers (Part 4)
Over the last few weeks our Monday Morning Minutes posts have looked at pumping issues with parallel, equal-sized condensers and pumps. This week we will look …
Bell & Gossett Part Load Efficiency Value (Part 5): BTUH Load Output vs. Percent of Flow Tolerance
The last four segments of the R. L. Deppmann Monday Morning Minutes introduced the valuable PLEV tool from Bell and Gossett. The part load efficiency …
Using the New Bell and Gossett System Syzer Programs PART 3
Xylem Bell and Gossett recently announced the new System Syzer programs for your computer. You may download these through links on our website at the www.deppmann.com/resources/ page. This new tool has a powerful lineup of useful features. Let’s look at a couple of them. Continued from Part II
Using the New Bell and Gossett System Syzer Programs PART 2
Xylem Bell and Gossett recently announced the new System Syzer programs for your computer. You may download these through links on our website at the www.deppmann.com/resources/ page. This new tool has a powerful lineup of useful features. Let’s look at a couple of them. Continued from Part I
Using the New Bell and Gossett System Syzer Programs
Xylem Bell and Gossett recently announced the new System Syzer programs for your computer. You may download these through links on our website at the www.deppmann.com/resources/ page. This new tool has a powerful lineup of useful features. Let’s look at a couple of them.
Air Separator Location in Hydronic Systems
R. L. Deppmann is offering another series of seminars, this fall, which are centered on “Energy Savings and ASHRAE 90.1 and 189.1 standards”. During a couple of the first 7 seminars, the question of the air separation location sparked a short discussion. Let’s review the response in this Monday Morning Minute.
Strategies for Water Use Efficiency – Cooling Tower Selection – Part V
Today’s building owner’s have many opportunities to improve water use efficiency. ASHRAE Standard 189.1 identifies a few areas to focus on reducing water use specific to cooling towers. The last four issues of Deppmann’s Monday Morning Minutes has discussed specific strategies to improve water use efficiency using current Cooling Tower and Advanced Water Treatment technology advancements in design. [Read more…]
Strategies for Water Use Efficiency – Cooling Tower Selection – Part IV
Most new chillers can now handle variable flow through the condenser providing many opportunities for operational savings. As the cooling tower is an integral part of this system, it is important to understand the effect of flow rate changes and how to insure your cooling tower can provide optimal savings while operating [Read more…]