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Old 11-18-2009, 05:57 PM   #1
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Humidified Installation

Can I hook a 24 volt humidifier to the mother board on a B4 Bryant electric furnace or do I need a separate power source?


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Old 11-18-2009, 06:06 PM   #2
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Humidified Installation

Post a pic of the motherboard. If it has a HUM terminal and B4 you do this check that terminal with a volt meter to ground to see if it puts out 24 volts when the fan is on. Some of them are 110 volt and will blow your humidifier to bits. If it is a 24 volt HUM terminal then hook it there and to C on the board.


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