White Rodgers 1F85-275 User Manual

1. Press SYSTEM button to COOL position.
2. Follow Enter Heating Program for entering your cooling

program, using your selected cooling times and tempera-
tures.

CHECK YOUR PROGRAMMING

Follow these steps to check your thermostat programming
one final time before beginning thermostat operation.
1. Press SYSTEM button 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 will be display-
ed in sequence for each weekday, then Saturday and
Sunday program periods (you may change any time or
temperature during this procedure).

3. Press RUN.
4. Press SYSTEM button to COOL position.
5. Repeat step 2 to check cooling program.
6. Press SYSTEM button to HEAT or COOL and press

RUN to begin program operation.

NOTE: Batteries are not required to keep your programming

or menu data. With two optional "AA" batteries installed,
your thermostat will maintain time and continuously
display the temperature during a loss of AC power.
Installed batteries will also allow programming prior to
installation.

YOUR THERMOSTAT IS NOW PROGRAMMED AND READY TO
PROVIDE MAXIMUM COMFORT AND EFFICIENCY!

OPERA

OPERATION

TION

Corrective Action

Replace fuse or reset breaker.
Turn switch to ON.
Replace door panel in proper position to engage
safety interlock or door switch.

Re-light pilot.
Press SYSTEM button to HEAT

HEAT

HEAT and raise setpoint

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.
Diagnostic: Press SYSTEM button to HEAT

HEAT

HEAT and

raise 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 is operating correctly.

TROUBLESHOO

OUBLESHOO

OUBLESHOOTING

TING

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 removing the wires from terminals R

R and C

C and removing batteries for 2 minutes. After resetting the thermostat,

replace the wires and batteries. If the thermostat has been reset and still does not function correctly, contact your heating/
cooling service person or place of purchase.

Symptom

No Heat/No Cool/No Fan

No Heat/No Cool/No Fan
(common problems)

(common problems)

No Heat

Possible Cause

1. Blown fuse or tripped circuit breaker.
2. Furnace power switch to OFF.
3. Furnace blower compartment door or

panel loose or not properly installed.

1. Pilot light not lit.
2. SYSTEM button not set to HEAT

HEAT

HEAT.

3. Loose connection to thermostat or

system.

4. Furnace Lock-Out Condition. Heat

may also be intermittent.

5. Heating system requires service or

thermostat requires replacement.

Enter Cooling Program

If 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.
Energizing the air conditioner compressor during

Energizing the air conditioner compressor during

Energizing the air conditioner compressor during
cold weather may cause personal injury or property

cold weather may cause personal injury or property

cold weather may cause personal injury or property
damage.

damage.

CAUTION