Tjernlund CPC-3 controller enables 'on-demand' …

A laundromat contractorand an equipment distribu-tor teamed up to design aunique mechanical systemfor a new facility. The sys-tem provides up to 20,000 CFM of make-up air for 54large commercial dryersfrom two four-square-footroof openings. The brainsof the system is aTjernlund CPC-3 ConstantPressure controller . It senses room pressure andautomatically adjusts tworoof-mounted modulatingfans to deliver the amountof air needed by the dryerswhen they are operating. Multiple benefits for the ownerinclude reduced construction costs, fewer roof penetrations,increased interior comfort for customers and expected energy savings.

Conventional make-up air openings are typically too close to the dryer exhausts creating a problem as lint circulates back into the laundry through the make-up

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  Tjernlund, Dryer

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