Wiring Diagram Thermostat. The rh wire connects to the heating system. Red now there can be two separate wires for this. The diagram below shows how a basic 4 wire thermostat is connected as indicated by the color code chart above.
Red now there can be two separate wires for this. The basic heat a c system thermostat typically utilizes only 5 terminals. Green the green wire connects to the fan. White the white wire is what connects to the auxiliary heat on your system.
The thermostat uses 1 wire to control each of your hvac system s primary functions such as heating cooling fan etc.
The basic heat a c system thermostat typically utilizes only 5 terminals. Double pole thermostat wiring diagram 2 pole thermostat wiring diagram 240v double pole thermostat wiring diagram cadet double pole thermostat wiring diagram every electrical structure consists of various unique parts. The yellow wire connects to your compressor. Green the green wire connects to the fan. The thermostat uses 1 wire to control each of your hvac system s primary functions such as heating cooling fan etc.