2 Remove old unit
IMPORTANT : LABEL ALL WIRES
BEFORE DISCONNECTING THEM!
3 Mount the 8029B
Switch electricity to the furnace and
air conditioner OFF;
then proceed with the following steps.
Remove cover from old thermostat. Most are snap-on types
and simply pull off. Some have locking screws on the side
or front. These must be loosened. Note the letters printed
near the terminals. Attach labels (enclosed) to each wire for
identification.
Label the wires one at a time.
You must have all the wires labeled
before you proceed.
With all wires labeled, remove them from the old unit.
Make sure the wires
do not fall back inside
the wall. Wind them around a
pencil to
keep them from falling
.
Loosen all screws on the old thermostat and remove it from the wall.
Fill wall opening with non-combustible insulation to prevent drafts.
Separate front from back of unit. Press up on the
catch on bottom of thermostat and swing the body
away from the base, lift up to remove the body from
the base.
Hold the base against the wall, with the wires
coming through the opening below the terminal block.
Position the base for best appearance. Use
the optional wall plate to cover blemishes
on wall from your old thermostat.
Attach the base to the wall with the two
screws provided.
If you are mounting the base to sheet rock
or if you are using the old mounting holes,
use the plastic anchors provided. Drill a
3/16-in.(4.8mm) hole for the insert at each
screw location, then mount the base.
PG
3
PG
4
B
G
W
Caution
C RC O B R
H W Y G
HEA
T
COO
L
AUT
O
O
N
OFF
FAN
Read instructions carefully before removing any wiring from existing thermostat.
Wires must be labeled before they are removed.
THERE IS NO STANDARD
COLOR CODE.
When removing wires from their terminals, ignore the color of the
wires since these may not comply with the standard.
C RC O B R
H W Y G
Terminal
Block
Wall Plate
Thermostat Base
ROOM
TEMP