White rodgers thermostat manual 1f90-1

What time do the building occupants reach a m aximu m a ctivit y l eve l usin g l ights , e quip- ment, meeting rooms, etc. These will be your DAY tempera- ture settings. First, answer the following questions to help you decide what your needs are. What time do the building occupants reach 6a. What time does the last person leave the a minimum activity level limited personnel in building? What temperature should the house be at this time?

What temperature should the building be at thi s t ime? Thes e w il l b e y ou r EVE evening temperature settings. What time does the first person arrive home in the evening? What time does the building become va- cant?

What temperature should the house be at thi s t ime? These will be your NHT night temperature settings. What time does the last person go to bed at night? What time does the first person get up in the morning? These will be your MOR morn- ing temperature settings.

If you want to change the preprogrammed times and temperatures, do the following. Determine the time periods and heating and cooling temperatures for your weekday pro- gram. However, you ma y u s e t h e s am e h eatin g a n d c oolin g t empera- tures for consecutive time periods. Use the following table to plan your program time peri- ods , a n d t h e t emperature s y o u w an t d urin g e ach period. You may also want to look at the sample program table to get an idea of how the thermo- stat can be programmed.

Press once. Press and hold either or until you BACK reach the correct minutes. The display window will 7. SET 5. Then you may continue to enter your programs normally. Press and hold either or until you BACK reach the current day of the week. Press 2. Press until HEAT is displayed. The time will change in 15 minute increments.

VIEW once. Also displayed are the currently pro- grammed start time for the MOR period and the currently programmed temperature. Press or until you reach your selected weekday MOR heating tempera- ture.

Press PRGM. The currently programmed start time and heating temperature for weekday DAY will be displayed. Repeat steps 3 through 5 to select the start time and heating temperature for the week- day DAY program. After entering your weekday heating pro- gram, repeat steps 1 through 8 for your weekend programming keep in mind that for weekend programming, the display should be changed from 5 DAY to 2 DAY.

Personal injury or property damage may occur due to air conditione r c ompresso r s lugging. When you have completed entering your RUN heating program, press. PRGM operation. Press until COOL appears. Press until COOL is displayed. Repeat step 2 to check cooling tempera- ing program, using your selected cooling times and temperatures.

RUN 6. Press to begin program operation. Follow these steps to check your thermostat programming one final time before beginning thermostat operation. Press until OFF is displayed. Reattach thermostat to subbase. Turn on power to the VIEW 2. Press PRGM automatic cycling.

How can I permanently change a part of change when the EVE period begins. Then press or During programming, if no buttons are pressed for five minutes, the thermostat will enter the HOLD mode and maintain a con- stant temperature. How can I have no change in tempera- ture from one time period to another? Fo r e xample, you may select the same weekday EVE cooling temperature as you did for weekday DAY , which means the temperature will not the point where you stopped programming.

Then you may continue to program the thermostat normally. See PRO- 5. What happens if the electricity goes off or is manually shut off? What can cause the thermostat display program will be lost in approximately one minute.

Setpoint temperature will not be displayed. A completely blank display may indicate that power has been lost to the thermostat and the backup battery is also dead. How- ever, if there is power to the thermostat and the display is blank or frozen, static dis- charge is probably the cause. During periods of low humidity especially during cold weather , you may feel or see a spark discharge when you touch the ther- mostat. This may cause the program to be lost or the thermostat to display incorrectly.

Wait about one minute, then reconnect the bat- tery. Th e t hermosta t w il l r ever t t o t h e f actory preset program until you reprogram the thermostat. If such a conflict exists, you must set the lowest cooling temperature higher in order to set the heating temperature higher.

To set a lower cooling temperature, you must select a lower heating temperature. Then press to begin PRGM the factory preset program. Or you may reprogra m t h e t hermostat , t he n r eplac e i t o n the wall. To prevent further static discharge prob- lems, touch another object to release static build-up before touching the thermostat.

What does this mean? Wait about 5 minutes for the compressor lockout to expire. If the system i s s til l n o t r unning , r ea d t h e c autionar y s tate- ment below. Property damage may result due to compressor slugging.

The thermostat is not being supplied with 24 VAC power. The thermostat is operating on battery power alone. There may be a number of causes for this situation. The following are primary reasons. The EMR Why does the blower fan keep running function will automatically bring on the system automatically to bring the tem- peratur e t o t h e s electe d l eve l b y t h e b egin- ning of the next program period.

This energy saving feature continues to blow conditioned air through the ducts after the system has turned off, rather than letting the air dissipate. You have programmed the incorrect day or time. Check your programming be sure that the times you programmed are correct AM or PM times. Why is the system turning on and off so frequently seldom? RUN Press t o s tar t p rogra m o peration.

S ee The anticipation setting is too low high. The compressor lockout feature is oper- ating; wait about 5 minutes for system to begin running. Between heating and cooling seasons, I I live in an area where daylight savings want to turn my system off. Can I do this withou t a ffectin g m y t hermosta t p rogram- ming? How do I change the thermostat clock twice a year without affecting thermostat programming?

Any time you wish to turn your system off, To change your clock, follow the instruc- tions for setting current time and day.

Thermo- stat programming is not affected when you change the clock. The system will automatically begin operating according to the current thermostat program, unless the thermostat is in the HOLD mode. Do I have to reprogram my thermostat after I change the batteries? If power is lost, or if the thermostat is removed from the wall, the program will be retained for ap- proximately one minute if there are no batterie s i nstalle d o r i f t h e i nstalle d b atteries are dead.

If you remove the old batteries and install fresh ones within one minute, you should not lose your thermostat programming. If the program is lost, reprogra m t h e t hermostat. Digital Thermostat. Operator: Save this booklet for future use!

About Your New Thermostat. Your new White-Rodgers Digital Thermostat uses the technology of a solid-state microcomputer. This thermostat offers you the flexibility to design. If you have. In This Guide. The Back Of the Thermostat Body. The Display. Set Current Time and Day. Enter Heating Program. The Thermostat Buttons. Enter Cooling Program. Operator: Save this. Before you begin programming your thermo- The subbase is attached to the wall, but you can.

To remove the thermostat body from the. The information in subbase, grasp the thermostat body and gently. To attach. Insert these, then gently pivot the thermostat. Your thermostat consists of two parts: the. Remove power from the system at the. The Back of The Thermostat Body. Turn the thermostat body over. On the back are. Fresh batteries. If power loss is long.

You must reprogram the thermo-. You may adjust the option switches for. Other than. On the following pages there are brief descrip-. Group A. Group B. Option switches. The word BAT-. TERY is displayed continuously non-flash-. Continuousl y d isplay s s yste m m od e HEAT ,.

During pro-. Alternately displays room temperature F. FAN ON is displayed when the blower is. FAN ON. Used to initiate or review thermostat pro-. Used to start program operation after pro-. Used to manually override programming to. Runs display forward or backward through. Used to advance thermostat program to the. Used with. Used during programming to set the day of.

Red arrow Raises temperature setting. Also used in. Blue arrow Lowers temperature setting. The thermostat will automatically ac-. Now that you are familiar with the thermostat. Then the thermostat will activate the heat-. As an example of this feature,.

This feature is controlled by Group B option. To enable the EMR function, first. If it is OFF down ,. If the switch is. ON up , remove the battery, then use a. To enable auto-. Turn off VAC power to the thermostat. Then remove. If the switches are not cor-. Leave the battery out. EMR ON. Switch 3 OFF. For example, if the highest heat.

The system will now automatically switch. Automatic Changeover. For manual changeover, Group B option. Switch 1 ON. Switch 2 OFF. Switch 3 see Energy Management Recovery. RIDE — Press. This will temporarily over-. HOLD will be dis-. Then choose the desired hold tem-. This feature. If the heat cycles are too short,. If the. T o s et coolin g antici-. To adjust heat anticipation, press.

The display will show COOL 14 fac-. The display will show. HEAT 5 this is the factory preprogrammed. You may se-. W heneve r a djustin g a nticipation,. A option switch 1 is in the total keypad. TION — To protect your compressor from. The following may. Find Model. Sensi thermostats. Thermostat Manual.

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