How To Connect Honeywell Rth6580Wf Thermostat To Wifi Ideas. My old thermostat only needed 2 wires, and the wiring to it was a harness that only had 3 (three) wires in it, 1 of which wasn't being used. Select “thermostat name” for the type of thermostat that you are connecting to your home network.
Before you finalize the thermostat, it is best to ensure it is compatible with your home wiring to reduce mess and confusion. 1c connect to the network called newthermostat_123456 (the number will vary). There is a diagram on the taco web site that describes a simple configuration that lets you connect a 3wire.