Honeywell RTH2510 Quick Installation Manual page 9

Connect Wires (cont'd)
Heat Pump Systems with Auxiliary/Backup Heat
(Typical Wiring)
1) Match each labeled wire with the terminal having
the same letter.
2) Loosen the terminal screws using a screwdriver,
insert the wires, then tighten the screws.
3) Push any excess wire back into the wall opening.
Labels don't match? See page 8.
Programmable Thermostat RTH2510
7
7.