The R. L. Deppmann Monday Morning Minutes takes a pause in the Water Economizer series to introduce a fun way to help those in need. …
Water Side Economizers Part 3: Cooling Tower Temperatures
Many northern state energy codes require economizers for chilled water systems. Waterside economizers per ASHRAE 90.1-2013 and 2010 shall provide up to 100% of the …
Water-Side Economizers Part 2: State Energy Codes
Water-Side economizers are here to stay in the northern climates. Using the cooling tower to create cold water and transferring that temperature to the chilled water …
Ion Exchange Water Softener Packaged Solution
There are times when a commercial ion exchange water softener is the preferred solution for hard water in potable water systems. The map above is …
Minimum Chilled Water Flow Rates – Variable Primary Systems
I have written a great deal about the minimum flow rate requirement in centrifugal pumps. We recently received an email from an engineer who was …
Lync by Watts Reverse Osmosis (RO) Systems
We often receive requests for larger commercial reverse osmosis (RO) water systems. RO systems are advantageous in humidification systems where water quality is challenging. We …
Steam Humidification and DriSteem Models
The last R. L. Deppmann Monday Morning Minutes outlined some water quality decisions when using steam for humidification. Which humidifier should you select based on …
Water Quality and Commercial Steam Humidification
Utility, process or heating boiler steam (S), clean steam (CS), and chemical-free steam (CFS) are all options in the steam humidification world. The search often …
Commercial Plumbing System Leak Detection
Often engineers will voice concern about failure of an underground pump and the possibility of water damage. The key to reducing any damage is the …
Free Cooling Heat Exchangers (Part One)
The ASHRAE young engineers heard about the free cooling system in the recent tour of the DTE Vantage Dearborn Central Energy Plant. The free cooling …