Hi Joe, hope you are having a nice day

On 29-Oct-04 At About 01:18:55, Joe Fabeitz wrote to All
Subject: Furnace humidifier - How to power?

JF From: "Joe Fabeitz"

JF I assume you want the humidifier to run only when the furnace is "in
JF heat". If you wire it to the blower motor it may run whether the
JF furnace is heating or cooling. A typical blower motor is
JF multi-speed, with different motor wires used to determine speed.
JF Usually a slower speed for heating mode and a higher speed for
JF cooling, and you would connect it only to the blower motor lead used
JF for heating. However, you may find that the humidifier runs
JF regardless of which blower speed is selected due to a "back circuit"
JF through the motor.

You should never wire to a fan speed wire on a multi speed fan as you will
burn out the transformer.


-= HvacTech2 =-


... URA Redneck if your taxidermist is on 'speed-dial'.

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