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White-Rodgers 1E78 Non Programmable Heat Only Thermostat User Manual
CHECK THERMOSTAT OPERATION
NOTE
5
To prevent static discharge problems, touch side of
thermostat to release static build-up before touching
any keys.
If at any time during testing your system does not operate
properly, contact a qualified service person.
Heating System
1. MoveSYSTEMswitchtoHEATposition.Iftheheatingsystem
has a standing pilot, be sure to light it.
2. Press to adjust thermostat setting above room tem-
perature. The heating system should begin to operate.
3. Press to adjust temperature setting below room tem-
perature. The heating system should stop operating.
Before you begin using your thermostat, you should be familiar
with its features and with the display and the location and op-
eration of the thermostat buttons. Your thermostat consists of
two parts: the thermostat body and the base. To remove the
body, gently pull it straight out from the base. To replace the
body, line up the body with the base and press gently until the
body snaps onto the base.
The Thermostat Buttons and Switches
1
(Up arrow) Raises temperature setting.
2
Figure 3.Thermostat display buttons and switches
(Down arrow) Lowers temperature setting.
3
SYSTEM switch (OFF, HEAT).
• LOW BATTERY INDICATOR — If the 2 “AAA” alkaline bat-
teries are low and should be replaced, the display will be
The Display
blank except for
.When the batteries are low,
4
pressing any button will cause the display to operate for ten
seconds.After ten seconds, the display will be blank except
is displayed when the SYSTEM switch is in the HEAT
position.
for
. After
has been displayed
5
6
Displays current temperature.
is displayed when the 2 “AAA” batteries are
low and should be replaced.Nothing else will be displayed.
for 4 weeks, the thermostat will drop the temperature 10°
belowyoursetpointinHEATmode.Youcannotprogramwith
low batteries but you can override setpoint temperature.
Earlier models display "LO BATTERY". Refer to 37-7006.
• TEMPERATURE DISPLAY ADJUSTMENT — Your new
thermostat has been accurately set in our factory.However,
ifyouwish,youmayadjustyournewthermostattemperature
display to match your old thermostat. This can be accom-
plished (within a 3° range) as follows:
7
Displays currently set temperature (this is blank when
SYSTEM switch is in the OFF position).
Operating Features
1. Press
and
with the SYSTEM switch in OFF position.
at the same time for two seconds
Nowthatyouarefamiliarwiththethermostatbuttonsanddisplay,
read the following information to learn about the many features
of the thermostat.
2. Press or
to your desired setting.
to adjust the displayed temperature
• TEMPERATURE SETTING — Press
or
until the
3
.
M
o
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e
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Y
S
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F
F
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o
e
x
i
t
t
h
e
f
e
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r
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.
displayshowsthetemperatureyouwant.Thethermostatwill
keep the room temperature at the selected temperature.
• DISPLAY BACKLIGHT— The display backlight improves
displaycontrastinlowlightingconditions.Selectingbacklight
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:
• °F/°C CONVERTIBILITY — The factory default setting is
Fahrenheit.ClippingW904 jumper on the circuit board (see
fig. 1) will alter this feature to Celsius temperature setting.
1
.
P
r
e
s
s
and
with the SYSTEM switch in HEAT position. The display
at the same time for two seconds
will alternately show “-L” AND “FF” (off).
or
2. Press
to change “FF” to “ON”.
3. Move SYSTEM switch to OFF to exit the feature.
3
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| General | Details |
|---|---|
| Name | White-Rodgers 1E78 Non Programmable Heat Only Thermostat User Manual |
| Make | WHITE RODGERS |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.27 MB |
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