Connect Wires (Typical Installation) - Honeywell RTH8500 Installation Manual

Installation Guide

Connect wires (typical installation)

1. Match each labeled wire with
same letter on terminal.
(Use HEAT PUMP letters if
you have a heat pump system.)
2. Use a screwdriver to loosen
screw terminals, insert
wires, then tighten screws.
3. Push any excess wire back
into the wall opening.
Labels don't match?
If labels do not match letters on
thermostat, see pages 11-12.
Remove metal jumper if you have both R and Rc wires.
Insert wires, then
tighten screws.
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