Need advice on Aprilaire Humidifier, 2 questions.
Aprilaire 700 humidifier wiring installation
I'm doing an humidifier installation with an Aprilaire 700 automatic , except that my furnace control strip is a little bit different and I want to be sure about the control wiring.
This furnace is a brand new (December 2010) Carrier 58 cva gas fired hot air unit.My furnace board terminal strip doesnt have the *C* terminal,
it has a *Com24* terminal.
Vertically , from the top the terminals are:
The top 3 terminals, the W2, Y1, and DHUM terminals are empty.
The 5 existing thermostat wires connected to the terminal strip are:
Green to G
Blue to Com24
White to W
Yellow to Y/Y2
Red to R
My furnace has a separate 24 V quick-connect hum tab that Carrier says is to connect up the humidifier to and then run it from there to the controller and then back to the Com 24 terminal.
Can I/ should I , use the 24 volt quick-connect tab rather than the separate transformer supplied from Aprilaire??
Also, Aprilaire's instructions on power going up to the humidistat are to use the 24 volt R terminal and the C terminal , however my terminal strip doesn't have a *C* terminal. It shows the *Com24* terminal.
I'm asking if this *Com24* terminal is the same as a *C* terminal
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