Standard Household Wiring Diagram For Thermostat. 1 trick that we 2 to printing a similar wiring. Use a 5 conductor thermostat cable for standard thermostat installations.
If your homes system of this vintage has provisions for air conditioning cooling then the thermostat wiring will have at least three wires some will require a separate r terminal for heating and cooling and will be labeled rh and rc now needing a minimum of 4 wires r w and a y terminal. See the diagram below for what each wire controls on your system. Goodman heat pump thermostat wiring diagram.
18 gauge standard single stage heat thermostat standard a c condenser ac contactor 24 volt fan only operation common air conditioning 1st stage heat white 2nd stage heat some ac.
Stage backup heat control wiring standard air handler wire size. S indoor and outdoor wired sensors y compressor stage 1 cooling y2 compressor stage 2 cooling g fan c common. See the diagram below for what each wire controls on your system. Today i want to talk about how simple a thermostat really is how the common and hot wire goes to a transformer how you tie the white wire for the heat stri.