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Is there a battery for memory storage in the main controller?

April 26, 2017battery controller main memory storage

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Is there a battery for memory storage in the main controller?

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A. The controller is powered by the HVAC unit, however it uses non-volatile flash memory (similar to a camera memory card) to retain system programming. Thus no batteries are required. In the event of a power failure, the system automatically restarts and normal operation is resumed.