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Enter Cooling Program
If the outside temperature is below 50°F, disconnect
power to the cooling system before programming.
Energizing the air conditioner compressor during
cold weather may cause personal injury or property
damage.
1. Move SYSTEM switch to COOL position.
2. Follow the procedure for entering your cooling program,
using your selected cooling times and temperatures.
CHECKYOUR
PROGRAMMING
Follow these steps to check your thermostat programming one
final time before beginning thermostat operation.
1. Move SYSTEM switch to 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 COOL position.
5. Repeat step 2 to check cooling program.
6. Move SYSTEM switch to HEAT or COOL and press RUN to
begin program operation.
YOURTHERMOSTAT IS NOW COMPLETELY PROGRAMMEDAND
READY TO PROVIDE MAXIMUM COMFORTAND EFFICIENCY!
TROUBLESHOOTING
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 atthe same time. This also
resets the factory defaults
to the configuration
menu and
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.
Batteries
For optimum performance, we recommend replacing batteries
once a year with fresh "AA" Energizer ° alkaline batteries.
Symptom
NoHeat/No Cool/No Fan
(common p roblems)
NoHe=
NoCool
Possible Cause
1. Blownfuse ortrippedcircuitbreake_
2. Furnace powerswitch toOFE
3. Furnaceblowercompartmentdoor or
panel loose or not properly installed.
1. Pilot lightnotlit.
2. SYSTEM SwitchnotsettoHEAT.
3. Loose connection to thermostat or system.
4. Furnace Lock-Out Condition. Heat may also
be intermittent.
5. Heating System requires serviceor
thermostat r equires replacement.
1. SYSTEM Switch notsetto CO0 L
2. Looseconnection to thermostat or system.
3. Cooling System requires service or thermostat
requires replacement.
Corrective Action
Replace fuseor resetbreaker
TurnswitchtoON.
Replacedoor panelin proper positionto engage
safety interlockor door switch.
Re-light p ilot.
SetSYSTEMSwitchtoHeat andraisesetpoint
aboveroomtemperature.
Verifythermostat a ndsystemwiresaresecurely
attached.
Manyfurnaces havesafetydevices that shut the
systemdown when a lock-outcondition occurs.
If the heatworksintermittently contactthe furnace
manufacturer o r localservicepersonforassistance.
Diagonistic: SetSYSTEM SwitchtoHEATandraise
thesetpoint a boveroomtemperature. Withinafew
seconds the thermostat should makea soft click
sound. This sound usually indicatesthe thermostat
is operatingproperly If the thermostat does not
click, try the reset operationlisted above. If the
thermostat does not click after beingreset contact
your heatingand coolingservice personor place
of purchasefor a replacement.If the thermostat
clicks, contact the furnace manufactureror a
service personto verify the heatingsystemis
operatingcorrectly.
SetSYSTEM SwitchtoCOOLandlowersetpoint
below roomtemperature.
Verifythermostat a ndsystemwiresaresecurely
attached.
Same procedure as diagnosticfor No Heat
conditionexcept s etthethermostattoCOOLand
lowerthe setpoint belowthe roomtemperature.
There may be up to a five minutedelay before
the thermostatclicks in Cooling if the compressor
lock-outoption is selected in the configuration
menu (Item 6).
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