Honeywell RTH6400 Series - Connect Wires

7 69-2210EF—03
Simply match wire labels.
Remove metal jumper if
you have both R and Rc
wires.
M27513
7
Connect Wires
Labels don’t match? See page 21.
Have a Heat Pump system? See page 14.
We are here to help.
Call 1-800-468-1502 for wiring assistance.