4 Wire Furnace Diagram

The blue brown or b lack wires also referred to as the c wire this wire connects the low side of the output of the low voltage power to the t stat. Assortment of goodman furnace wiring schematic. It shows the parts of the circuit as simplified shapes and the power and also signal links between the gadgets.

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Variety of 4 wire thermostat wiring diagram.

4 wire furnace diagram. 4 12 understanding basic electrical wiring and components of air conditioning systems duration. We have a 19 year old condo with an old carrier mercury thermostat. A wiring diagram is a streamlined conventional pictorial representation of an electrical circuit. 4 wire or 5 wire thermostat wiring problem question.

The red wire the red wire r rc rh connects the high side of the output of the control transformer to the t stat. 4 this diagram is to be used as reference for the low voltage control wiring of your heating and ac system. We have both a natural gas furnace and an ac unit. Note that in our case we had to use the green wire for c as discussed below because there were only four wires coming from.

Always refer to your thermostat or equipment installation guides to verify proper wiring. It reveals the parts of the circuit as streamlined shapes and the power and also signal connections in between the gadgets. Note some ac systems will have a blue wire with a pink stripe in place of the yellow or y wire. We will go over which speed each wire color is and show you how you can tell the speed by using a multimeter to read each wire color s resistance value when the blower motor is off.

Goettl las vegas air conditioning inc. A wiring diagram is a streamlined standard pictorial depiction of an electric circuit. There are only four wires going into the existing thermostat red green blue white.