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If the outside temperature is below 50°F, disconnectIf the outside temperature is below 50°F, disconnect
If the outside temperature is below 50°F, disconnectIf the outside temperature is below 50°F, disconnect
If the outside temperature is below 50°F, disconnect
power to the cooling system before programming.power to the cooling system before programming.
power to the cooling system before programming.power to the cooling system before programming.
power to the cooling system before programming.
Energizing the air conditioner compressor duringEnergizing the air conditioner compressor during
Energizing the air conditioner compressor duringEnergizing the air conditioner compressor during
Energizing the air conditioner compressor during
cold weather may cause personal injury or propertycold weather may cause personal injury or property
cold weather may cause personal injury or propertycold weather may cause personal injury or property
cold weather may cause personal injury or property
damage.damage.
damage.damage.
damage.
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!
CAUTIONCAUTION
CAUTIONCAUTION
CAUTION
1. Move SYSTEM switch to
COOLCOOL
COOLCOOL
COOL position.
2. Follow the procedure for entering your cooling program,
using your selected cooling times and temperatures.
Enter Cooling ProgramEnter Cooling Program
Enter Cooling ProgramEnter Cooling Program
Enter Cooling Program
CHECK YOUR PROGRAMMINGCHECK YOUR PROGRAMMING
CHECK YOUR PROGRAMMINGCHECK YOUR PROGRAMMING
CHECK YOUR PROGRAMMING
Follow these steps to check your thermostat programming one
final time before beginning thermostat operation.
1. Move SYSTEM switch to
HEATHEAT
HEATHEAT
HEAT position.
2. Press PRGM to view the 1st weekday heating period time
and temperature. Each time you press PRGM, the next
heating period time and temperature will be displayed in
sequence for weekday, then weekend program periods (you
may change any time or temperature during this procedure).
3. Press RUN.
4. Move SYSTEM switch to
COOLCOOL
COOLCOOL
COOL position.
5. Repeat step 2 to check cooling program.
6. Move SYSTEM switch to
HEATHEAT
HEATHEAT
HEAT or
COOLCOOL
COOLCOOL
COOL and press RUN to
begin program operation.
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED ANDYOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED ANDYOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED AND
READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!
READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!
READY TO PROVIDE MAXIMUM COMFORT AND EFFICIENCY!
Reset OperationReset Operation
Reset OperationReset Operation
Reset Operation
If a voltage spike or static discharge blanks out the display or
causes erratic thermostat operation you can reset the thermo-
stat by pressing
, and TIME at the same time. This also
resets the factory defaults to the configuration menu and
SymptomSymptom
SymptomSymptom
Symptom
PP
PP
P
ossibossib
ossibossib
ossib
le Causele Cause
le Causele Cause
le Cause
Corrective ActionCorrective Action
Corrective ActionCorrective Action
Corrective Action
No Heat/No Cool/No FanNo Heat/No Cool/No Fan
No Heat/No Cool/No FanNo Heat/No Cool/No Fan
No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker. Replace fuse or reset breaker.
(common problems)(common problems)
(common problems)(common problems)
(common problems) 2. Furnace power switch to OFF. Turn switch to ON.
3. Furnace blower compartment door or Replace door panel in proper position to engage
panel loose or not properly installed. safety interlock or door switch.
No HeatNo Heat
No HeatNo Heat
No Heat 1. Pilot light not lit. Re-light pilot.
2. SYSTEM Switch not set to
HEAHEA
HEAHEA
HEA
TT
TT
T. Set SYSTEM Switch to
Heat Heat
Heat Heat
Heat and raise setpoint
above room temperature.
3. Loose connection to thermostat or system. Verify thermostat and system wires are securely
attached.
4. Furnace Lock-Out Condition. Heat may also Many furnaces have safety devices that shut the
be intermittent. system down when a lock-out condition occurs.
If the heat works intermittently contact the furnace
manufacturer or local service person for assistance.
5. Heating System requires service or Diagonistic: Set SYSTEM Switch to
HEAHEA
HEAHEA
HEA
TT
TT
T and raise
thermostat requires replacement. the setpoint above room temperature. Within a few
seconds the thermostat should make a soft click
sound. This sound usually indicates the thermostat
is operating properly. If the thermostat does not
click, try the reset operation listed above. If the
thermostat does not click after being reset contact
your heating and cooling service person or place
of purchase for a replacement. If the thermostat
clicks, contact the furnace manufacturer or a
service person to verify the heating system is
operating correctly.
No CoolNo Cool
No CoolNo Cool
No Cool 1. SYSTEM Switch not set to
COOLCOOL
COOLCOOL
COOL Set SYSTEM Switch to
COOLCOOL
COOLCOOL
COOL and lower setpoint
below room temperature.
2. Loose connection to thermostat or system. Verify thermostat and system wires are securely
attached.
3. Cooling System requires service or thermostat Same procedure as diagnostic for No Heat
requires replacement. condition except set the thermostat to
COOLCOOL
COOLCOOL
COOL and
lower the setpoint below the room temperature.
There may be up to a five minute delay before
the thermostat clicks in Cooling if the compressor
lock-out option is selected in the configuration
menu (Item 6).
TROUBLESHOOTINGTROUBLESHOOTING
TROUBLESHOOTINGTROUBLESHOOTING
TROUBLESHOOTING
program. If the thermostat has power, has been reset and still
does not function correctly contact your heating/cooling ser-
vice person or place of purchase.
BatteriesBatteries
BatteriesBatteries
Batteries
For optimum performance, we recommend replacing batteries
once a year with fresh "AA" Energizer
®
alkaline batteries.