Howdy folks.
First, I'm going to apologize for being a noob to most of this. I'm a very practical guy and learn by doing. I'm also a very safe person, I always test things before doing.
I've got a bad transformer in my furnace. This thing is from 1973 and I'm pretty sure the transformer is original.
The transformer had ONE wire, measured at 120volts, going into it, and converted that to 24volts and pushed it out to ONE wire wire that goes to the blower motor.
I took the transformer to our local HVAC store and was given another transformer for about 30 dollars. I was told it would work for me, but I have no idea how to get it to work. It's a general purpose deal that can take in everything from 120 up to 400+ volts and convert it all down from 24v to 12v. It has 4 different colored wires on the 'primary' side, and 2 on the 'secondary' side.
It came with a colored coded chart that says to hook up black + white wire for 120 volt on incoming and blue + green wires on the secondary for the outgoing for 24 volt, but I don't understand how I would do this if I only have ONE incoming and one outgoing.
I actually tried that anyway, I twisted the black and white wires together and then twisted those together with the 120volt wire. Then I tested the blue and green wires that I had twisted together but had no voltage at all on them.
So I'm stumped as to how to use this thing. I've attached a drawing of the old transformer and the new. Anybody have any idea how to use this thing?
In the picture:
The top transformer is the old transfer. The terminal on the left is the high voltage 120volt coming in, the one of the right is the 24volt out (please ignore that the picture says 12volt out, I screwed up when I drew it).
The bottom transformer is the new one. The top of it is the 'primary' with the four multi-colored wires. Chart says black + white = 120volt. The bottom is the 'secondary'. Chart says blue + green = 24volt, which is what I need.
First, I'm going to apologize for being a noob to most of this. I'm a very practical guy and learn by doing. I'm also a very safe person, I always test things before doing.
I've got a bad transformer in my furnace. This thing is from 1973 and I'm pretty sure the transformer is original.
The transformer had ONE wire, measured at 120volts, going into it, and converted that to 24volts and pushed it out to ONE wire wire that goes to the blower motor.
I took the transformer to our local HVAC store and was given another transformer for about 30 dollars. I was told it would work for me, but I have no idea how to get it to work. It's a general purpose deal that can take in everything from 120 up to 400+ volts and convert it all down from 24v to 12v. It has 4 different colored wires on the 'primary' side, and 2 on the 'secondary' side.
It came with a colored coded chart that says to hook up black + white wire for 120 volt on incoming and blue + green wires on the secondary for the outgoing for 24 volt, but I don't understand how I would do this if I only have ONE incoming and one outgoing.
I actually tried that anyway, I twisted the black and white wires together and then twisted those together with the 120volt wire. Then I tested the blue and green wires that I had twisted together but had no voltage at all on them.
So I'm stumped as to how to use this thing. I've attached a drawing of the old transformer and the new. Anybody have any idea how to use this thing?
In the picture:
The top transformer is the old transfer. The terminal on the left is the high voltage 120volt coming in, the one of the right is the 24volt out (please ignore that the picture says 12volt out, I screwed up when I drew it).
The bottom transformer is the new one. The top of it is the 'primary' with the four multi-colored wires. Chart says black + white = 120volt. The bottom is the 'secondary'. Chart says blue + green = 24volt, which is what I need.
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