White Rodgers 1F89EZ-0251 - Manual (Page 2)

2
Get to know your thermostat
Before you begin using your thermostat, you should be familiar
with its features and with the display and the location and
operation of the thermostat buttons and switches.
The Thermostat Buttons and Switches
1 Raises temperature setting.
2 Lowers temperature setting.
3 Easy Temperature pre-sets (Home, Sleep, Away).
4 SYSTEM switch (COOL, OFF, HEAT, EMER).
5 FAN switch (ON, AUTO).
The Display
6 Indicates desired temperature. This is blank when
system switch is in the OFF position. Desired
temperature is displayed (flashing) if the thermostat is in
lockout mode.
7 “Save” indicates the Cool Savings feature is enabled
in the configuration menu.
“Save” flashing indicates
Cool Savings feature is operating and saving energy.
“Save” will also flash for 3 seconds after changing the
temperature to indicate that a pre-set can be saved.
8 Indicates system mode. Heat icon ( ) is displayed when
the SYSTEM switch is in the HEAT position. Heat icon( )
is displayed flashing when thermostat is calling for heat.
Cool icon ( ) is displayed when the SYSTEM switch is in
the COOL position. Cool icon ( ) is displayed (flashing) if
the thermostat is calling for cool.
9 Displays current temperature.
10 “Home”, “Sleep”, “Away” indicates the easy temperature
pre-set is enabled.
Figure 1. Thermostat buttons and switches
Set at
Home
2
1
3 4 5
6
10
14
7
9
12
13
11 15
8
Set at
Home Sleep
Away
AUX
EMER
Service
Change
Save
Change Filter
11 “Change Filter” is displayed when the system has run
for the programmed filter time period as a reminder to
change or clean your air filter.
12 “Service” indicates a diagnostic fault in the heating/cooling
system. It does not indicate a fault in the thermostat.
13 “ ” indicates power level of batteries. “Change ”
indicates batteries should be replaced.
14 “AUX” indicates auxiliary stage is operating.
15 “EMER” is displayed flashing when the system switch is
in EMER position.
Batteries
Two “AA” alkaline batteries are included with your thermostat.
Prior to use, open the battery door and remove the battery
tag. We recommend replacing batteries every 2 years, for
best results, use new premium brand alkaline batteries such
as Duracell
® or Energizer ® . When battery power remaining is
approximately half, the will be displayed.
Indicates batteries are low
and should be replaced
BATTERY LOCATION
“AA” Alkaline Batteries
CAUTION !
If the home is going to be unoccupied for an extended
period (over 3 months) and
is displayed, the
batteries should be replaced before leaving. When
less than two months of battery life remain, the
setpoint temperature will change by 10 degrees (10
degrees cooler in Heat / 10 degrees warmer in Cool)
to alert you to change the batteries before they fail. If
the temperature change occurs, the normal setpoint
can be manually reset. However, the temperature will
change by 10 degrees within two days if the batteries
are not replaced.
Change
WARNING !
Do not use on circuits exceeding specified voltage.
Higher voltage will damage control and could cause
shock or fire hazard.
Do not short out terminals on gas valve or primary
control to test. Short or incorrect wiring will damage thermostat and could cause personal injury and/or
property damage.
Thermostat installation and all components of the system
shall conform to Class II (current limited) circuits per the
NEC code. Failure to do so could cause a fire hazard.