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Model 8000/8100 Btu/CV Transmitter Power Wiring Technical Bulletin

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This technical bulletin provides field wiring procedures to prevent damage to circuit boards in Model 8000/8100 Btu/CV Transmitters, particularly units shipped before July 1998. It covers voltage and polarity verification for power terminations in the Exd enclosure, protection features like MOVs and diodes, and instructions for handling polarity reversal and fuse replacement.

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