REMOVE THE OLD THERMOSTAT--------------------------------------------------------------------------
WARNING!:
Electrical Shock Hazard
1. Turn off power at the main service panel by removing the fuse or switching the
appropriate circuit breaker to the OFF position before removing the existing
thermostat.
2. Turn off power to the heating and cooling system by removing the fuse or
switching the appropriate circuit breaker off.
3.
Remove the cover of the old thermostat. This should expose the wires.
4.
Label the existing wires from the existing thermostat before removing.
5.
After labeling the wires, remove the wires from the wire terminals.
6.
Remove the existing thermostat from the wall.
7.
Refer to the following section for instructions on how to install this thermostat.
INSTALL THE THERMOSTAT---------------------------------------------------------------------------------
ATTACH THERMOSTAT BASE TO WALL
PULL THE COVER OFF THE BASE.
Figure 1
-2-
THERMOSTAT LCD DISPLAY
15a
17
16
14
15
13
12
11
18
10
9
8
6
7
(6) Filter Alarm: Indicates filter needs to be replaced.
(7) Alarm (This option available in Heat Pump models).
(8) Heat/Cool Setting: Indicates whether the current set-point temperature is for Heating or
Cooling.
(9) Displays the current Set-point temperature.
(10) Indicates the thermostat is calling for heat in the heat pump mode.
(11) Battery Icon: If the battery icon is blinking, it indicates the batteries need to be replaced.
(12) Indicates the thermostat is calling for Heating or Cooling.
(13) Indicates the current System switch position.
(14) Indicates whether the time is AM or PM
(15) Indicates the current time.
(15a) Indicates current day of the week.
(16) Indicates the current Fan switch position.
(17) Indicates the current room temperature. In the configuration mode, it indicates the
current configuration menu item.
(18) Indicates whether the temperature display is in °F or °C.
-11-
OPEN
Figure 2
ELEC
GAS
fan option switch
base
reset
screw
cover
screw anchor
s
950-0078-revI November 21, 2008
