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White Rodgers 1F78-144 Non Programmable Thermostat Instruction Manual
CHECK THERMOSTAT OPERATION
CONTINUED FROM THIRD PAGE
5
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. Your thermostat consists of two parts:
the thermostat cover and the base. To remove the cover, gently
pull it straight out from the base. To replace the cover, line up the
cover with the base and press gently until the cover snaps onto the
base.
1
2
The Thermostat Buttons and Switches
FAN
SYSTEM
1
2
3
4
(Up arrow) Raises temperature setting.
(Down arrow) Lowers temperature setting.
FAN switch (ON, AUTO).
ON AUTO COOL OFF HEAT
SYSTEM switch (COOL, OFF, HEAT).
3
4
The Display
5
is displayed when the SYSTEM switch is in the HEAT
position.
is displayed (non-flashing) when the SYSTEM
is displayed (flashing)
6
8
switch is in the COOL position.
when the compressor is in lockout mode.
6
7
Displays current temperature.
is displayed when the 2 “AAA” batteries are low
and should be replaced. Nothing else will be displayed. Earlier
models display “LO BATTERY”. Refer to 37-7006.
7
5
Displays currently set temperature (this is blank when
SYSTEM switch is in the OFF position).
8
Figure 8.Thermostat display, buttons, and switches
Operating Features
Now that you are familiar with the thermostat buttons and display,
read the following information to learn about the many features of
the thermostat.
• SIMULTANEOUSHEATING/COOLINGSETPOINTSTORAGE
—You can enter both your heating and cooling setpoints at the
same time. There is no need to re-enter the thermostat at the
beginning of each season.
• TEMPERATURE DISPLAY ADJUSTMENT — Your new
thermostat has been accurately set in our factory. However,
if you wish, you may adjust your new thermostat temperature
display to match your old thermostat.This can be accomplished
(within a 3° range) as follows:
1. Press
or
the SYSTEM switch in OFF position.
at the same time for two seconds with
• TEMPERATURE SETTING — Press
display shows the temperature you want. The thermostat will
keep the room temperature at the selected temperature.
or
until the
2. Press
or
your desired setting.
to adjust the displayed temperature to
3. Move SYSTEM switch from OFF to exit the feature.
• °F/°C CONVERTIBILITY — The factory default setting is
Fahrenheit. Clipping W904 jumper on the circuit board (see fig.
1) will alter this feature to Celsius temperature setting.
• DISPLAY BACKLIGHT — (Not available on earlier models.)
The display backlight improves display contrast in low lighting
conditions. Selecting backlight ON will turn the light on for
a short period of time after any button is pressed. Selecting
backlight OFF (default) will keep the light off. Turn the display
backlight feature ON as follows:
• LOW BATTERY INDICATOR — If the 2 “AAA” alkaline
batteries are low and should be replaced, the display will be
blank except for
. When the batteries are low,
pressing any button will cause the display to operate for ten
seconds. After ten seconds, the display will be blank except
1. Press
and
with the SYSTEM switch in HEAT position. The display will
at the same time for two seconds
for
. After
has been displayed for
alternately show “-L” AND “FF” (off).
or
4 weeks, the thermostat will raise the temperature 10° above
your setpoint in COOL mode and drop the temperature 10°
below your setpoint in HEAT mode. You cannot program with
low batteries, but you can override setpoint temperature.
2. Press
to change “FF” to “ON”.
3. Move SYSTEM switch to OFF to exit the feature.
| General | Details |
|---|---|
| Name | White Rodgers 1F78-144 Non Programmable Thermostat Instruction Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.42 MB |
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