Use and Care Manual

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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 heating
period and the currently programmed temperature.
9. Repeat steps 4 through 8 to complete weekend heating program-
ming.
10. When you have completed entering your heating program, press
RUN.
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 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!
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
Operating Humidity Range:
0 to 90% RH (non-condensing)
Shipping Temperature Range:
-40°F to 150°F
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 optimum performance, we recommend replacing batteries once
a year with fresh “AAA” Energizer
®
alkaline batteries.
6
PROGRAMMING YOUR THERMOSTAT
CONTINUED FROM FIFTH PAGE
7
SPECIFICATIONS
8
TROUBLESHOOTING
Symptom Possible Cause Corrective Action
No Heat/No Cool/No Fan
(common problems)
Blown fuse or tripped circuit breaker. 1.
Furnace power switch to OFF.2.
Furnace blower compartment door or panel 3.
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 2. HEAT.
Loose connection to thermostat or system. 3.
Furnace Lock-Out Condition. Heat may also be 4.
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 shut
down when a lock-out condition occurs. If the
heat works intermittently contact the furnace
manufacturer or local service person for
assistance.