Honeywell RTH7400 series - Quick Reference to Status Display; Current Day of Week; Current Inside Temperature; Current Time

7
Simply match wire labels.
Remove metal jumper if you have both
R and Rc wires.
MCR28070
W2
Y2
C
G
Y
W
RC
R
LABELED WIRES
SCREW
CONVENTIONAL
INSERT WIRES
THEN TIGHTEN SCREWS
WIRE HOLE
Y
G
R
W
CONVENTIONAL
6
Connect Wires
Labels don’t match? See Wiring Notes (over).
Have a Heat Pump system? See Wiring Notes (over).
Call 1-800-468-1502 for wiring assistance.