Category Archives: Chillers and Chilled Water Systems

Posts with information about chillers and chilled water systems.

Condenser Water Systems, Air Entrainment, and Pump Cavitation

This post is the result of a discussion I was having as the result of a comment made on a previous post about commissioning a condenser water system.  The initial question was to ask if the solution I had suggested … Continue reading

Posted in Chillers and Chilled Water Systems, Operations and Maintenance, Retrocommissioning Findings, System Diagrams | Tagged , , | Leave a comment

System Diagrams: Practice Making a System Diagram –The Answer

This post provides an answer for the exercise in the previous post where I provided you with screen shots and a SketchUp model of a chiller plant and proposed that you develop a chilled water system diagram for it. In … Continue reading

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System Diagrams: Practice Making a System Diagram

Welcome to my virtual, variable flow, primary-secondary chiller plant. I’ve been working on creating a model of a central plant in SketchUp for a while now so I can use it as a teaching tool and the image above is … Continue reading

Posted in Chillers and Chilled Water Systems, System Diagrams | 2 Comments

Retrocommissioning Findings: Leveraging a Chilled Water System Thermal Flywheel to Save Energy and Compressors – Overview

Well, I’m on my way home from Denver, Colorado where I attended the 21st National Conference on Building Commissioning.  As always, it was great to see others I know in the industry, make new acquaintances, and learn about new ideas … Continue reading

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Commissioning a Condenser Water System – Part 1; Evidence of an Issue

Today, I thought I would take a break from my boiler discussions to share an interesting issue that came up on a project recently.  Here is a picture of it. A lot of you may be thinking “just looks like … Continue reading

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Condenser Water System Commissioning – Lesson 1

Field experience can teach us a lot of things that simply can not be learned in the classroom. In fact, some of the most valuable (and sobering) lessons I have learned as a designer have come from working out in … Continue reading

Posted in Chillers and Chilled Water Systems, Retrocommissioning Findings, System Diagrams | 9 Comments