3 69-1726—1
Step 1. Prepare for Installation

1. Check that the following items are included:

If any of the items shown above are missing, call

Honeywell Customer Care at 1-800-468-1502

before returning the thermostat to the store.

CAUTION
TURN OFF POWER to system at the furnace, or at the fuse/circuit
breaker panel before you begin.
Match the letter of
y
our old thermostat wire with the terminal of th
e
correspondin
g
letter on
y
our new thermostat or base
.
Ó
N
e
ll.
co
m
/
y
ou
rh
o
m
e
B
R
V
/
V
R
X
B
R
V
/
V
R
H
Y2
H
R
C
W
C
L
RH
W1
X2
E
O
T
W2
F
P
U
W3
Y1
F
P
U
W3
Y1

WALLPLATE

THERMOSTAT

M2227
8

MOUNTING SCREWS (2)

AND WALL ANCHORS (2)

OWNER'S GUIDE

CAUTION CARD

WIRE LABELS

M
on
R
ead
a
n
d
sa
v
e
th
ese
in
s
tr
uc
ti
o
n
s
OWNER'S GUIDE
fusibles-interru
p
tor
t
é