What is brown wire on Goodman air handler?

It has 5 low voltage wires coming out of the top of the unit (white, red, blue, green, and brown). As I look at the installation guide and other low voltage wiring guides, I see red is 24v, white provide heat signal, green provides fan signal. Brown wire isn’t connected to anything internally and is dead.

What color wires go where on a furnace?

This is the most typical thermostat wiring style, and it applies to systems that regulate both heat and air conditioning. The wires are typically arranged as follows: red for 24-volt hot, white for heat, yellow for cooling, green for the fan, and blue for common (although the common wire may be a different color).

Where does the brown wire go to?

If you do have a fixture using international standards, the good news is that the matching is very easy. Brown is your hot wire so you want to connect that to your building’s black wire. The blue is negative or return, so that will go to white. Green with yellow stripe is the ground and will go to the building green.

What are the four wires in a thermostat?

4 Wire Thermostat Wiring (Heat Pumps, HVAC)

• Red wire for power (24V).
• White wire for heating (connected to W or W1 terminal).
• Green wire for fans.
• Blue or yellow wire for cooling (connected to Y).

Where does C wire go on Goodman furnace?

Sometimes there is a connector exposed on the circuit board for a C-wire connection, but not always. If there’s no other place to connect the C-wire, under that ground wire screw would be once place to connect it. Use the blue wire in your thermostat wiring for the C-wire – that’s the common color for it.

What are S1 and S2 wires on thermostat?

L: This terminal is designated for indicator lights on the thermostat, sometimes for when auxiliary or emergency heat is turned on, or if there’s a general problem with your system. S, S1, S2: These wires run directly outside and provide outdoor temperature information to the thermostat.

Which wire is hot black or brown?

Black, red and blue are used for hot wires and white is used as neutral wire in a 120208 V. Brown, orange and bitter is used as hot wires and grey is used as neutral wire in a 277480 V. For earth, regardless of tension, green (or naked wire) is used.