Wiring Heat Pump - Honeywell RTH7400 Series Quick Installation Manual

Advanced Installation Guide
Wiring—heat pump About your new thermostat
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.
Labels don't match?
If labels do not match letters on thermostat, see page
23.
HEAT PUMP
C
G
Y
O/B
RC
R
Wiring complete, return to Step 7.
69-2487EF—01
SCREW
INSERT WIRES
THEN TIGHTEN SCREWS
LABELED WIRES
22
WIRE HOLE
HEAT PUMP
Aux
E
L
MCR28104A