2
Mount wallplate as shown.
Mount new wallplate using
screws and anchors included with
the thermostat.
Drill 3/16-in holes for drywall.
Drill 7/32-in holes for plaster.
3
Wire the thermostat.
Refer to the table and wiring
diagrams on the next page.
a Turn on 24VAC NOW.
24VAC (C wire) is required.
4
Mount thermostat on wallplate.
If your thermostat has hinges along
the bottom and a button on the top,
align the thermostat at the bottom
and snap into place as shown. If you
have the version without hinges,
line the thermostat up evenly
with the wallplate and push the
thermostat evenly along the sides
and bottom to snap it into place.
Wallplate
C
K
RC
R
U1
U1
U2
U2
Thermostat
3
C
S1
S1
K
S1
S1
R
C
W
O/B
R
Y
Y
U1
G
G
U1
W2
AUX
-E
U2
Y2
Y2
U2
L/A
A
CONVENTIONAL
S1
S1
S1
S1
W
O/B
Y
Y
G
G
W2
AUX
-E
Y2
Y2
A
L/A
HEAT PUMP
Wallplate