With the launch of its new D Series large desiccant dryers, with nominal throughputs from 600 to 5000 lb/hr (272 to 2268 kg/hr), Conair is dramatically simplifying its large dryer offering. Every model is built around proven desiccant-wheel drying technology, a common touchscreen control, an expanded set of standard features, and a focus on value.

“Every one of our new large D series dryers provides a far wider array of high-demand features as standard equipment, not options, and delivers them through a common control interface. The result is a full-featured line of large dryers that are intuitively easy to understand and use, even without a significant amount of operator training,” explains A. J. Zambanini, Conair’s Drying Products Manager.

With nominal throughputs from 600 to 5000 lb/hr (272 to 2268 kg/hr), new D Series large desiccant dryers from Conair offer more high-demand features, plus an advanced desiccant control, as standard equipment and deliver all of them through a common, front-mounted control interface.

“Conair believes that our standard D Series feature package will meet the needs of 90% of our drying customers. For those who need additional capabilities, the advanced options that remain have been pre-engineered to simplify ordering and speed delivery.”

Conair’s large-dryer launch follows its 2018 introduction of redesigned small and medium-sized portable dryers that offer throughputs from 15 to 400 lb/hr (6.8 to 181 kg/hour). The smaller dryers are available in the dX Series of mobile drying/conveying systems and the standalone portable dryers were the first to get the D Series designation.

“With this introduction of large D Series dryers configured for central systems,” notes A.J. Zambanini, Dryer Product Manager, “our D Series line now extends from the Model D15 all the way through the Model D5000. We’ve done everything we can to provide continuity across the board so that buying, installing and using them will be very much the same no matter what size dryer we’re talking about.”

Like the smaller models, the latest, largest dryers in the D Series feature the DC-C programmable electronic control, software, and interface developed specifically by Conair for drying applications. The standard DC-C Premium control system offers a big 7-in color touchscreen user interface and a comprehensive set of features that includes:

  • Temperature setback
  • Dew-point monitoring and control
  • Real-time trending
  • 7-Day auto-start/stop
  • Library of customizable resin-drying recipes
  • Energy usage metering
  • Audible and visual alarms
  • Industry 4.0 enabled with remote control capability

An energy-saving “Optimizer” package adds a variable frequency blower drive, Drying Monitor™ probe, return-air dew-point monitor, volatile trap, and process filter monitor to D Series dryers. These models get the DC-C Optimizer control, an augmented version of the Premium control that uses the same interface and 7-inch color screen. “The Optimizer drying package is ideal for PET processors who need to manage high-throughput, high-temperature drying operations where its energy-management features really pay off,” says Zambanini.

Also new in the D Series, Conair has enhanced the desiccant wheel system, adding more precise rotational control to ensure optimal desiccant heating, cooling, and drying performance. Conair’s proven desiccant-wheel technology eliminates the instability and maintenance headaches associated with loose-desiccant dryers while producing extremely stable, low-dew point drying air.

RESINWORKS™

The powerful standard control in the large D Series line also opens up new, cost-saving control options for users of Conair’s ResinWorks™ centralized resin-handling and pre-conditioning system. “When you combine a large D Series dryer with a ResinWorks sled (sleds contain multiple, temperature-controlled hoppers), you can manage the entire sled directly from the dryer. That means you can control or monitor drying temperatures, trending data, energy usage, auto-start/stop or other features for each hopper. There’s no need for separate controls on each hopper.” If a control is required or desired, an HMI can be applied to each hopper. This allows for individual control of each hopper locally but also unlocks more feature capability for the entire system.

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