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Getting to know your thermostat
1
Glow in the Dark
2
Light Button
3
Fan Button
4
System Button
Temperature
5
Setpoint Buttons
6
Menu Button
NOTE ABOUT THE LIGHT BUTTON:
This button is used to light up the
display, but it is also used to set up
communication with the base module.
DO NOT hold the light button down for
more then 10 seconds, unless you are
performing the initial communication
setup steps.
2
5
4
3
6
Programmable Time
Period Icons:
This thermostat has
4 programmable
time periods per day.
Temperature:
Indicates the current
system temperature.
Clean Display:
Pressing CLEAN DISPLAY
will allow 30 seconds to
clean the display. The keys
will be inoperable during this
time. CLEAN will appear if
your contractor has
programmed a filter change
reminder. Press CLEAN
when filter has been replaced
to reset the filter change
reminder timer.
Important:
The low battery indicator is displayed
when the AA battery power is low. If the
user fails to replace the battery within
21 days, the thermostat display will only
show the low battery indicator as a final
warning before the thermostat
becomes inoperable. The batteries are
located on the back of the thermostat.
1
LCD
Days of the week and time.
Flashes outside temperature
Indicates Energy Star®
approved program is
when used with R250W.
OUTDOOR will show.
being used.
Low Battery Indicator:
Replace batteries when
this indicator is shown.
Wireless Icon
REMOTE indicates a
remote has control of the
system.
HOLD is displayed when
thermostat program is
permanently overridden.
Displays the user selectable
setpoint temperature.
System operation indicators:
COOL
The COOL, HEAT or FAN icon
will display when the COOL,
HEAT or FAN is on.
NOTE: The compressor delay
feature is active if these icons
are flashing. The compressor
will not turn on until the 5
minute delay has elapsed.
Program Menu Options:
System Information:
Shows different options
Shows which zone or
during programming.
zones are controlling
your system. Shown
only when one or more
indoor sensors R251W
are connected.
HEAT
FAN
2
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