Applying a single constant-speed pump for each condenser in a chilled water application is a normal design for the HVAC engineer. The chiller manufacturers suggest …
Sizing Pressure Relief Valves for Closed Chilled Water Systems
Pressure relief valve sizing for heating systems is well documented by ASHRAE, boiler codes, and product manufacturers such as Bell & Gossett. Relief valve sizing …
Open Cooling Tower Systems – An External Water Treatment Example
External water treatment in cooling tower systems will save labor and operational costs. It also saves the planet by reducing your clients’ dependance on chemicals …
Open Cooling Tower Systems — External Water Treatment Options
When people think of water treatment, they think of adding chemicals to the water to change it. That is the internal water …
Open Cooling Tower Systems — Internal Water Treatment Options
Cooling tower water will contain a variety of contaminants which are bad for the system and bad for people around the tower. Due …
Open Cooling Tower Systems — Water Treatment Options Overview
Dirt and Particulate are visible signs of trouble brewing in your open cooling tower system. Unfortunately, the things you cannot see brewing in …
A Cooling Tower Choice Solves Water Quality Issues and Saves the Planet
What’s lurking in your traditional open cooling tower basin? There is increasing concern about the sediment build-up, algae growth, and bacteria growth in open cooling …
Variable Speed Chilled Water Systems: Demand Reset
There are multiple methods to vary pump speed in HVAC chilled water systems. A common method is the use of a differential pressure transmitter at …
Cooling Tower Spring Startup Tips
The weather is warming, and our attention turns away from heating and toward system air conditioning. To protect the cooling tower pumps, we offer a …
Tis’ the Season to Start Your Air-Cooled Chillers
Many air-cooled chillers do not have glycol and are drained for the winter season. Most cooling towers are also drained for our cold winter months. …