I announced that I was working on an upcoming article, and it is to be one regarding a general overview of the Tridium Niagara R2, AX, and N4 products. I asked for input, requests, or suggestions from anyone interested in this subject matter. I was inundated with a tremendous amountContinue Reading
BACnet MS/TP over RS-485 is one of the most common and cost-effective solutions for a network of Building Management System (BMS) controllers. I know that the current trend is for BACnet over IP based networks, but the tried and true BACnet over RS-485 networks have their merits. There are tremendousContinue Reading
What checklist for a Broken HVAC System Can I Use? The middle of a hot summer, or no matter where your company is located in the world where the climate includes extremely high temperatures is the worst time to find out your HVAC system won’t turn on. Your first reactionContinue Reading
PROBLEM: High-rise buildings, built in 1960’s, were experiencing scaling, bio-film and dirt (rust) deposits in their condenser water systems. This inhibited heat transfer, lowering HVAC hydronic system efficiency. Previous traditional solutions (chemicals & flushing) failed to stop the cooling towers and chillers from scaling up. This required that they beContinue Reading
An article by David Smith. What do you do if you have a Frozen Air Conditioner? I received a call from a client that I had designed and installed a Heating, Ventilation, and Air Conditioning (HVAC) system in his home. He informed me that he had no Air Conditioning (AC)Continue Reading
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