Honeywell RTH3100C Guide D'installation page 13

Connect wires (typical installation)
1. Match each labeled wire
with same letter on terminal.
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 next page.
11
RTH3100C