Installing humidifier to furnace when and how does it turn on or is it on when furnace blower turns on? honeywell by-pass He 120

honeywell by-pass He 120

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Answers:    A humidistat mounted in the cold nouns return will close when more moisture is needed in the home. It is wired within series with the furnace blower or on the blower relay to run solitary when the blower is running. The humidifier usually has a switch to turn it sour during the summer months.

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It will be activated when both the Humidistat(like a thermostat for humidity) and the blower are on.

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