Honeywell RTH5100B - Quick reference to display screen; Current inside temperature; Temperature setting

7 69-1716
Step 4. Follow Special Instructions
1. If you have C and/or C1 wire(s) connected to your
old thermostat, do not connect them to your new
thermostat.
2. Disconnect the C and/or C1 wire(s). Make sure
they do not touch each other or any other wires.
3. Wrap the bare end of each C and/or C1 wire(s)
with electrical tape.
Y
G
C
R
W
OL D T H E R M OST A T
WIRE HOLE
M22037
DO NOT CONNECT TO NEW THERMOSTAT
WIRE
SCREW
TERMINAL
LETTER
DESIGNATION