White Rodgers IF72 Installation Instructions Manual Download Page 7

ELECTRICAL DATA

Electrical Rating:

20 to 30 VAC 50/60 Hz.
0.05 to 1.0 Amps (Load per terminal)
1.5 Amps Maximum Total Load (All terminals combined)

SPECIFICATIONS

7

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

www.white-rodgers.com

PROGRAMMING YOUR THERMOSTAT

CONTINUED FROM SIXTH PAGE

6

9. Repeat steps 4 through 8 to complete weekend heating

programming.

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!

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 setpoint
above room temperature.

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

8

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.

Summary of Contents for IF72

Page 1: ...res from the old thermostat one at a time DO NOT LET WIRES FALL BACK INTO THE WALL 6 Install new thermostat using the following procedures To prevent electrical shock and or equipment damage disconnec...

Page 2: ...1st stage at approximately 1 2 F and 2nd stage 0 75 F If you prefer slow cycle clip jump W905 The 1st stage and 2nd stage would be 1 5 F and 1 2 F respectively O B Terminal Switch Selection The O B s...

Page 3: ...FF If safety circuits are in only one of the systems remove the transformer of the system with NO safety circuits NOTE Jumper required to use a single Aux Heat for both Second Stage Heat and Emergency...

Page 4: ...is typically used when compressor operation is not desired or you prefer back up heat only 1 Move SYSTEM switch to EMER position EMER will flash on the display 2 Press to adjust thermostat setting ab...

Page 5: ...A on OFF HOLD HOLD RUN CL OFF Press HOLD to advance to next item or TIME to move backwards to previous item CHECK THERMOSTAT OPERATION CONTINUED FROM FOURTH PAGE 5 2 Select Compressor Lockout CL OFF o...

Page 6: ...during each period You may also want to look at the sample program table to get an idea of how the thermostat can be programmed Entering Your Program Follow these steps to enter the heating and coolin...

Page 7: ...ress RUN 4 Move SYSTEM switch to COOL position 5 Repeat step 2 to check cooling temperatures 6 Press RUN to begin program operation YOURTHERMOSTATISNOWCOMPLETELYPROGRAMMED AND READY TO AUTOMATICALLY P...

Page 8: ...at Cool system for correct operation If the system operates correctly replace the thermostat Furnace Cycles Too Fast or Too Slow 1 The location of the thermostat and or the Digital thermostats normall...

Reviews: