White Rodgers 775 - Manual (Page 7)

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If you are programming your thermostat for the first time, and you
want programming for all days of the week to be the same as
Monday’s program, press RUN or HOLD at this point, and
proceed to the SELECT COOLING TEMPERATURES section
(this simplified COPY DAY feature only works the first time you
program your thermostat; refer to “COPY DAY FUNCTION” if you
want to copy one day’s programming to a specific day program-
ming; if you are changing your thermostat’s programming, you
must program each day separately.
8. Press HOLD once. “TU” (indicating Tuesday’s program) will
be displayed, along with the start time for the 1st heating
period and the currently programmed heating setpoint tem-
perature.
9. Repeat steps 3 through 7 to complete Tuesday’s heating
program.
10. Continue entering each day’s programming until all heating
periods temperatures have been selected.
11. Press RUN to end heating programming. Proceed to the
SELECT COOLING TEMPERATURES section.
Enter Cooling Temperatures
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 temperature.
Check your programming
Follow these steps to check your thermostat programming one
final time before beginning thermostat operation.
Symptom Possible Cause Corrective Action
No Heat/No Cool/No Fan 1. Blown fuse or tripped circuit breaker. Replace fuse or reset breaker.
(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 Heat 1. Pilot light not lit. Re-light pilot.
2. System Switch not set to Heat. Set System Switch to Heat and raise temp above
room temp.
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
be intermittent. down when a lock-out condition occurs. If the
heat works intermittently contact the furnace
manufacturer or local service person for
assistance.
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 optimum performance, we recommend replacing batteries
once a year with fresh “AAA” Energizer
® alkaline batteries.
1. Move the SYSTEM switch to HEAT position.
2. Press PRGM to view the 1st Monday heating period time and
temperature. Each time you press PRGM, the next heating
period time and temperature for Monday will be displayed in
sequence. Press HOLD to display Tuesday’s 1st heating
period program. Press PRGM to check the remaining Tues-
day heating period times and temperatures. To check each
day’s heating program, press HOLD to change days, then
press PRGM to look at each programming period for the day
(you may change any time or temperature during this proce-
dure).
3. Press RUN.
4. Move SYSTEM switch to COOL position.
5. Repeat step 2 to check cooling temperatures.
6. Press RUN to beging program operation.
YOUR THERMOSTAT IS NOW COMPLETELY PROGRAMMED
AND READY TO AUTOMATICALLY PROVIDE MAXIMUM COM-
FORT AND EFFICIENCY!
9
NOTE
ELECTRICAL DATA
Electrical Rating:
0 to 30 VAC 50/60 Hz. or D.C.
0.05 to 1.2 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
SPECIFICATIONS 8