Perfect Honeywell Rth221b1021 Wiring Diagram

Do not connect wires identified as c c1 x or b as these wires are not used with this thermostat.

Honeywell rth221b1021 wiring diagram. View and download honeywell rth221b user manual online. The table above provides a more complete list of honeywell thermostat wiring colors and their uses. G fan green wire.

Call 1 800 468 1502 for wiring assistance. Heating controls wiring guide issue 17 v4073a y plan how a mid position valve operates within a y plan heating. Our page top sketch courtesy of honeywell controls illustrates the wiring diagram for a traditional honeywell t87f thermostat used for 2 wire single pole single.

Click the icon or the document title to download the pdf. 69 2448es 03 6 quick installation guide 5 connect wires alternate wiring if labeled wire does not match any terminal designation see diagram below. If a wire does not match any terminal designation see next page.

Learn how to wire basic thermostats and digital thermostats to operate heat and cooling. But here is a list of the most common wire color mappings as seen in many four wire t stat setups. C 24 vac common you might see blue purple or brown typically used for this wire.

Honeywell thermostat wiring instructions for 4 5 wire applications. Match each labeled wire with the terminal having the same letter. Honeywell thermostat wiring diagram 4 wire examples.

Es rth rth if any wires are not attached to your old thermostat or are attached to a terminal marked c or c1 they will not. Rth221b thermostat pdf manual download. O b y rc r g w m32155a remove jumper if you have both r and rc wires.