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WIRING INSTRUCTIONS CAUTION: 2271-100 HUMIDISTAT * Use the wiring diagram shown for single-speed blower operation only. * When wiring multi-speed blower systems use an A50 relay or a fan sail switch to prevent premature component failure. The humidistat is designed for either return air duct or wall mounting. * Consult the instructions included with the humidifier and any Packaged in a duct mount configuration, (For this type mounting begin additional controls for instructions on wiring.
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RETURN AIR DUCT INSTALLATION WALL MOUNT INSTALLATION 1 Locate the humidistat in the return air duct at least 12 in. up stream 1 Locate the humidistat about 5 ft. above the floor, on an inside wall, prior to the humidifier or the humidifier by-pass tube. away from discharge registers.
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Questions and answers
Does the “orange light” stay on constantly? Should the unit be making a hissing sound when the furnace is not on or the blower is not running