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6
PROGRAMMING YOUR THERMOSTAT
CONTINUED FROM FIFTH PAGE
6. Repeat steps 4 and 5 to select the start time and heating tem-
perature for the 2nd heating program period.
7. Repeat steps 4 through 6 for the 3rd and 4th heating program
periods. Weekday heating programs are now complete.
8. Press PRGM once. “
SA SU” (indicating weekend program) will
appear in the display, along with the start time for the 1st heat-
ing period and the currently programmed temperature.
9. Repeat steps 4 through 8 to complete weekend heating pro-
gramming.
10. When you have completed entering your heating program,
press RUN.
Enter Cooling Program
If the outside temperature is below 50°F, disconnect pow-
er 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 heating program, using
your selected cooling times and temperatures.
Check Your 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 temperatures.
6. Press RUN to begin program operation.
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED
AND READY TO AUTOMATICALLY PROVIDE MAXIMUM
COMFORT AND EFFICIENCY!
7
SPECIFICATIONS
ELECTRICAL DATA
Electrical Rating:
MV to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.0 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)
THERMAL DATA
Setpoint Temperature Range:
45°F to 90°F (7°C to 32°C)
Operating Ambient Temperature Range:
32°F to 105°F
(0°C to 41°C)
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-40°F to 150°F
(-40°C to 66°C)
8
TROUBLESHOOTING
Reset Operation
If a voltage spike or static discharge blanks out the display or
causes erratic thermostat operation you can reset the thermostat
by pressing
,
and TIME at the same time. This also resets
the factory defaults. If the thermostat has power, has been reset
and still does not function correctly contact your heating/cooling
service person or place of purchase.
Batteries
For best results, replace batteries once a year with new premium
brand alkaline batteries such as Duracell
®
or Energizer
®
.
Symptom
Possible Cause
Corrective Action
Heat, Cool or Fan Runs
Constantly.
Blown fuse or tripped circuit breaker.
1.
Furnace power switch to OFF.
2.
Furnace blower compartment door or
3.
panel loose or not properly installed.
Replace fuse or reset breaker.
Turn switch to ON.
Replace door panel in proper position to engage safety
interlock or door switch.
No Heat
Pilot light not lit.
1.
SYSTEM Switch not set to HEAT.
2.
Loose connection to thermostat or
3.
system.
Furnace Lock-Out Condition. Heat may
4.
also be intermittent.
Re-light pilot.
Set SYSTEM Switch to
HEAT and raise setpoint
temperature above room temperature.
Verify thermostat and system wires are securely
attached.
Many furnaces have safety devices that shutdown
when a lock-out condition occurs. If the heat works
intermittently contact the furnace manufacturer or local
service person for assistance.
