Search: Posts Made By: PJmax
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12-10-12, 07:27 PM
Replies: 34
Views: 5,311
Posted By PJmax

Won't work Grady....all fan speeds share common...

Won't work Grady....all fan speeds share common neutral. Checking with a voltmeter between any of the fan wires will all show the same thing.

I think I answered your question twice in this thread...
12-05-12, 08:18 PM
Replies: 34
Views: 5,311
Posted By PJmax

Nothing is connected to black on the terminal...

Nothing is connected to black on the terminal board so the fan is never running on high.

From left to right:

Violet = com
Red = lo
Blue = med
Black = hi
12-04-12, 10:16 PM
Replies: 34
Views: 5,311
Posted By PJmax

In looking at your first pic it appears that...

In looking at your first pic it appears that those taps may be in-correctly set. They don't appear to match the schematic. In my post # 10 I listed the fan speeds based on your schematic.

When I...
12-04-12, 09:58 PM
Replies: 34
Views: 5,311
Posted By PJmax

To answer your exact question: When the...

To answer your exact question:

When the furnace heats up and the thermal fan/ limit switch turns on the blower....it's on medium
When you put thermostat to FAN ON.....it's on high

Those guys...
12-03-12, 10:19 PM
Replies: 34
Views: 5,311
Posted By PJmax

It would be much easier if we could read all the...

It would be much easier if we could read all the designations on the terminals but if I had to take an educated guess I'd say that the piece of 3 wire is feeding the blower. It's wired in 3 wire...
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