Owner's Manual
Table Of Contents

5.
Label wires
Peel
off
the
labels below and
attach
them
to
the
thermostat's
matching wires.
Use
the
white labels
for
any
W3,
E,
HUM
or
DEHUM
wires.
The*
connector can only connect
to
one
of
these wires.
See
two
names
for
each connector on your old
thermostat's
backplate? Visit nest.com/2labels
for
help.
6.
Disconnect wires
and
remove
base
After
removing
the
base, we recommend
gently wrapping
the
wires around a pen
or
pencil
to
ensure they
don't
fall
back into
the hole in
the
wall.
'
'
'
'
ffi Remember,
the
power
to
your
HVAC
system
must
be
off
to
avoid
blowing a fuse in your equipment.
'
..
Two labels
m
Tip:
Take
a
picture
of
the
w1res
on
your
old
thermostat
to
help you
remember.
7.
Mark where
screws
will
go
Use
the
bubble level
to
make sure
the
Nest
Thermostat
is level.
•.