SUMMARY This article provides you with detailed information about chiller system microprocessor programming and review. We provide you with everything you need to know about the PSG microprocessor controller.
SYMPTOMS Need to review or update the programming of chillers microprocessor controller
CAUSE When adding glycol to the chiller loop or in some instances during startup or service review or adjustments need to be made to the microprocessor programming.
RESOLUTION The Legacy microprocessor controller provides a review and programming (or update) function accessible from the controllers touch pad. The attached service bulletin provides information on review, programming as well as other useful information.
APPLIES TO All models with PSG microprocessor controller - All software versions
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