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Kenmore Smart Thermostat Quick Start And Installation Manual page 4

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RC
RC
24 VAC Power
supply
for C ooing
sde
RC
RH
24 VAC Power
s_lpply
for H eating
side
C
C
24 VAC cornmon
for c orltrd
circ/lit
and thermostat
power
input
L
System
Monitor
No
use
Y1
Y1
1st stage
cornpresor
1st stage
coding
Y2
Y2
2nd
stage
cornpressor
2nd
stage
coding
W1
W1
Emergerlcy
Heat:
1st stage
heating
OiB
W2
Changeover
valve
2nd
stage
heating
G
G
Fan
X
X
Reserve
for
future
3_
LabeZ _2fms
Check the existing
thermostat
wire terminal
identification
carefully,
and apply the wiring
labels provided
with the Smart Thermostat
to the wires with the same identification.
This
will allow you to connect
the wires to the correct
terminals
on the new Smart Thermostat
back plate.
For a conventional
system (Non-Heat
Pump
marked
as Non--HP)
you may find
some of the following
terminals
connected:
RC RH C Y1 Y2 W1 W2 and G. For a heat
pump system(HP)
you may find some of the foJJowlng
terminals
connected:
R C L Y1
Y2 Wl
O/BandG.
Use the label set from the left or r ght side of the terminal
strip that
matches
your HVAC system (marked
NomHP
or HP).
4_
Dfscor_rtect _u2fresarid remove
bacl_ Sate
Remove
the wires from
the exist[rig
thermostat
back pJate
and
remove
the
back plate
from
the walJ.
Note:
Keep
the heating/cooling
system
power
OFF to avoid
risk of inju_]y.
large
trim
back plate
plate
5_
Determfrte i/y;ou need t£e
[czr_etrfm Sate
if the holes
that are [eft in the walJ from
removal
of the old back
plate
take up more
space
than
the new back
pJate,
install
the
new back
pJate
OVER the new [arge trim
plate,
as shown
above.
Skip to step
6 if the
hoJes
that are [eft in the walJ take
up less
space
than
the new back
pJate,
Use a drill, screws and the plastic
anchors
to install both
plates as shown above to the
wall, If the old thermostat
was installed
into
a standard
metal
or plast c electrical
box with
or without
conduit,
save and use the screws
that were used. You will not need the wall
anchors,
Make sure the _
symbol
on the back
plate is pointing
upward,

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