Honeywell 4 Wire Thermostat Wiring Color Code. Well explained tutorial on wire color codes. Mar 8 this post provides honeywell thermostat wiring color code gides and hints.
4 wire or 5 wire thermostat wiring problem the answer. Well explained tutorial on wire color codes. The rc wire connects to the cooling system.
Here is the industry standard thermostat wire color code used for most systems.
Types of thermostat wire. 4 wire or 5 wire thermostat wiring problem the answer. I bought a honeywell rth7600d touchscreen 7 day programmable thermostat to replace a honeywell c9700 model that only users 4 pins numerically ordered 1 4 with color wired as red yellow green white. The yellow wire connects to your compressor.