Integrated microprocessor eases set-up, saves energy for refrigerant control system

September 13, 2000
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NILES, Mich. — The Enviroguard IISM refrigerant control system, Tyler Refrigeration Corp.’s second-generation EnviroguardSM system, adds an integrated microprocessor to simplify use and expand energy savings, says the company.

With the new microprocessor, the Enviroguard II offers:

  • Easier set-up and simplified charging procedures compared to the original system, with no pressure or temperature controls, valves, or computers to set or adjust;

  • An additional 1% to 7% energy reduction;

  • Reduced maintenance due to the replacement of two mechanical regulating valves with two standard solenoids;

  • Improved reliability with the elimination of the outdoor charged temperature sensor;

  • Faster, more accurate system alarms that caution customers when there is a performance change, and warn them when there is refrigeration loss or sensor failure; and

  • A fail-safe feature that keeps all fans running in the event of a system board failure, the company says.

    The system is said to be able to cut electrical energy costs resulting from the operation of supermarket refrigeration compressor systems by up to 40% when compared to conventional systems.

    The unit offers average operating savings of nearly 25%, depending on a store’s specific refrigeration energy profile and geographic location.

    Richard J. Dittoe, vice president of marketing for Tyler, noted, “It has been estimated that supermarkets consume about 4% of all electrical energy used annually in the United States, and that refrigerated cases and mechanical systems account for 40% of that consumption.

    “Based on these numbers, our Enviroguard II refrigerant control system promises to contribute solid and significant bottom-line energy savings for supermarkets, as well as reducing energy consumption for our economy as a whole.”

    Other benefits of the technology include up to a 45% reduction in system refrigerant charge, says the manufacturer. This is because the control permits the removal of the receiver from the active refrigerant circuit. With the receiver out of the circuit, a minimum receiver charge is no longer required as with conventional systems.

    The control system also is said to increase compressor life due to lowered compression ratios that put less stress on internal compressor parts.

    For more information, contact Tyler at 616-683-2000; 616-684-9802 (fax); www.tylerrefrigeration.com (website).

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