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IMPORTANT SAFETY INFORMATION WARNING:
In heat pump applications, do not connect anything to the W1
terminal. When switched to HP mode, W1 is connected internally
to Y1 on the thermostat.
1. Turn off power to heating and cooling system.
2. Remove cover of old thermostat to expose wires. Do not
disconnect wires. (See Figure 1)
3. Label wires per the Wiring Table.
4. After labeling wires, remove wires from terminals.
5. Remove existing thermostat base from wall.
6. Refer to the following section for instructions on how to
install thermostat.
Figure 1
Installing Item 8600 Thermostat
NOTE: FOR NEW INSTALLATIONS, MOUNT THERMOSTAT ON AN INSIDE WALL, 4-5 FEET
ABOVE THE FLOOR
. DO NOT INSTALL BEHIND A DOOR, IN A CORNER, NEAR AIR VENTS,
IN DIRECT SUNLIGHT, OR NEAR ANY HEAT OR STEAM GENERATING FIXTURES. INSTALLATION
AT THESE PLACES WILL AFFECT THERMOSTAT OPERATION
.
1. Turn power off to the heating and cooling systems.
2. Place HEAT-OFF-COOL in OFF position.
3. Place AUTO–ON switch
into AUTO position.
4. Remove the cover using a coin
or screwdriver (see Figure 2).
5. Place thermostat against the
wall at desired location. Make
sure wires will feed through
opening on base of thermostat.
3
heat off cool
hold
vac
prog
run/set
hold
temp
clock
set
auto on
M
O
N
°
F
sele
ct
se
t
select
set
heat off cool
hold
vac
prog
run/set
hold
temp
clock
set
auto on
MON
°
F
heat off cool
auto on
Figure 2
!