Wiring Heat Pump - Honeywell RTHL3550 Quick Installation Manual

Wiring—Heat Pump
Connect wires: Heat Pump
1. Match each labeled wire with same letter on new
thermostat.
2. Use a screwdriver to loosen screws, insert wires into
hole under screw, then tighten screws until wire is
secure.
3. If E and Aux do not each have a wire connected, use
a small piece of wire to connect them to each other.
4. Push any excess wire back into the wall opening.
Aux
L G
E
Labels don't match?
Wiring complete, return to Step 7.
Y
O/B
MCR31276A
See page 24.
R Rc
23 69-2697ES—03
RTHL3550
HEAT PUMP