Installing your thermostat
8 Insert quick reference card.
Fold quick reference card
along score lines, and slide
it into the slot on the back of
the thermostat.
9 Attach thermostat to wallplate.
Align the thermostat to the
wallplate and then snap into
place.
10 Switch heating/cooling system ON.
Important!
10a Verify that the C wire is
connected at the thermostat
and at the heating/cooling
system.
10b Make sure the heating/cooling
system door is firmly secured.
10c Switch power back ON for
your heating/cooling system
at the breaker box or its power
switch.
69-2715EF—07
Back of thermostat
Circuit breaker
box
8
Quick
reference
card
MCR33916
MCR33858
or
Heating/
cooling
system power
switch
HOLD
M33860
M31544