No, it's not with a whip and a chair, even though that may be tempting at times. Today's chillers are precision machines that rely on microprocessor-based electronic controls to not only provide more flexibility and reliability, but also to interact with just about any building automation system that's available.
With fuel prices making headlines regularly, users are increasingly conscious of price and supply issues. To that end, designers should keep energy contingencies in mind, too. A basic knowledge of propane-air backup systems could prove especially valuable when working with facilities using gas.
A building's mechanical and structural systems can either help or hinder the life of mold in a facility. Consider this a refresher on fundamental causes, along with several design and maintenance antidotes.
Retrieving every last bit of performance from the system while stopping short of the surge line is no small feat. Dig into sizing, tower selection, chilled water loads and stability, and condenser water management to leave no efficiency stone unturned. Read more in April issue