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Issue link: https://ccr-mag.epubxp.com/i/692286
designed to remove heat, smoke, vapors and grease, are served by a single, central fan. Ritch Lewis, partner with the Cleve- land-based manufacturer's rep frm, Thermal Products, says the hoods are 30 percent more effcient than conventional hoods, re- ducing the amount of exhaust and required make-up air. Less exhaust is needed to remove the particulate- and moisture-laden plume seeking airborne status from the mar- ket's many ovens, griddles, fryers, broilers and wok ranges. "When that effuent isn't removed – which was the case before the new ventila- tion work was complete – it condenses and falls out of the plume, leaving smelly grease particulates everywhere, on clothing, skin and in hair," Lewis says. "That's at the very heart of why this project began in the frst place." Rich Catan, VP of marketing and sales for Halton, says the keys to effcient operation of the kitchen hoods are the demand-control infrared sensors, an exhaust collar temperature sensor, and an ambient space temp sensor built into each hood – allowing independent modulation of the dampers for each hood. "The IR sensors, es- pecially, detect changes in cooking activity." Signals also are sent through the central control system to the new, 5-1/2-foot square, 24,000 CFM PennBarry variable-speed fan. When combining hood damper control with adjustable fan operation, optimal evacuation and ventilation are achieved. Another key facet to Schlotterbeck's design was an integrated fre suppression system. "If the ducting was a manifold-based system, the entire fre suppression system would need to be discharged simultaneously," Schlotterbeck says. "But with Type 1 hoods, fre suppression [packaged by Halton] is controlled independently at each hood." The science behind the market's inadequate ventilation was the purview of trade professionals with a language foreign to the market's everyday patrons, with terms like "particulate parts per billion," "IAQ" and "CFMs." CIRCLE NO. 41 Start every job with ZipWall ® . See how easy it is at zipwall.com. ■ Sets up in just a few minutes ■ No ladders, no tape, no damage D U S T B A R R I E R S Y S T E M 800-718-2255 99 MAY : JUNE 2016 — COMMERCIAL CONSTRUCTION & RENOVATION