Honeywell RTH5100B - Follow Important Instructions

5 69-1716
Step 2. Follow Important Instructions
1. Do not connect the wires to the new thermostat
based on wire color because damage can occur to
the heating and/or cooling system.
These Installation Instructions explain later how to
use the enclosed wire labels to correctly mark the
wires connected to your old thermostat.
Step 3. Remove Old Thermostat
M22034
Y
G
RC
R
W
OLD THERMOSTAT
RED
WHITE
YELLOW
ORANGE
GREEN
DO NOT WIRE
NEW THERMOSTAT
BASED ON
WIRE COLOR.
!