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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
Connect power.
24VAC power is required. Connect
common side of transformer to C
terminal.
4
Wire the thermostat.
Refer to the table and wiring
diagrams on the next page.
a Turn on 24VAC NOW.
24VAC (C wire) is required.
5
Mount thermostat on wallplate.
Align thermostat at bottom and
snap into place as shown.
Wallplate
C
K
RC
R
U1
U1
U2
U2
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
CONVENTIONAL
S1
S1
S1
S1
W
O/B
Y
Y
G
G
W2
AUX
-E
Y2
Y2
A
L/A
HEAT PUMP
Wallplate
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