Wiring Heat Pump - Honeywell RTH8500 Series Quick Installation Manual

Advanced Installation Guide
About your new thermostat 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, then tighten screws.
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.
Labels don't match?
If labels do not match letters on thermostat, see page
23.
HEAT PUMP
L
E
AUX
69-2219EF—03
INSERT WIRES
THEN TIGHTEN SCREWS
LABELED WIRES
WIRE HOLE
SCREW
22
HEAT PUMP
RC
R
O/B
Y
G
C
M27516