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ELECTRONIC THERMOSTAT

®

Owner’s Manual

MODEL

8552

5-2 Day Programmable

Thermostat

110-948 7/12/01 10:16 AM Page 1

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Summary of Contents for 8552

Page 1: ...ELECTRONIC THERMOSTAT Owner s Manual MODEL 8552 5 2 Day Programmable Thermostat 110 948 7 12 01 10 16 AM Page 1 ...

Page 2: ...ng Mode 9 Setting Cooling Temperatures 10 Reviewing Programmed Time Schedules And Temperature Settings 12 To Start Running The Program 12 For Best Performance 13 Thermostat Operation 13 Temperature Control 15 Time Control 16 Equipment Control 17 Optional Settings For Additional Thermostat Features 19 In Case Of Power Failure 25 Cleaning 25 Limited Warranty 26 Research Products Corporation 2000 110...

Page 3: ...n similar products that do not qualify for the Energy Star label Energy Star products help you differentiate between standard efficiency and high efficiency products By using Energy Star products you are helping to prevent air pollution while saving money on your utility bills According to the EPA taking advantage of the times that a home is unoccupied or the occupants are asleep an Energy Star th...

Page 4: ...ME SCHEDULE THERMOSTAT DESIRED EVENT SYMBOL TEMPERATURE Mon Tue Wed Thu Fri Sat Sun SETTING Morning Heat 70 6 00 6 00 6 00 6 00 6 00 6 00 6 00 Cool 78 am am am am am am am Day Heat 62 8 00 8 00 8 00 8 00 8 00 8 00 8 00 Cool 85 am am am am am am am Evening Heat 70 5 00 5 00 5 00 5 00 5 00 5 00 5 00 Cool 78 pm pm pm pm pm pm pm Night Heat 62 10 00 10 00 10 00 10 00 10 00 10 00 10 00 Cool 82 pm pm pm...

Page 5: ...Changing The Clock Step 1 If you are currently in Daylight Saving Time first Sunday in April thru fourth Sunday in October press the DST button and will appear in the lower right hand corner of the display Step 2 Press the CLOCK button and Mo or another day of the week will flash Use the DECREASE or INCREASE button to change the flashing symbol to the current day of week 110 948 7 12 01 10 16 AM P...

Page 6: ...e current hour making sure the hour has the proper AM or PM designation Step 4 Press the CLOCK button and 00 minutes will flash Use the DECREASE or INCREASE button to change the flashing symbol to the current minute Step 5 Press the CLOCK button again The clock is now set and the current time appears on the display 110 948 7 12 01 10 16 AM Page 6 ...

Page 7: ... temperatures 1 heating temperature and 1 cooling temperature The cooling temperature must be at least 2 degrees higher than the heating temperature Your Aprilaire Thermostat allows 1 program for Monday through Friday and 1 program for Saturday and Sunday Complete the chart on page 6 with your desired temperatures and time schedules before beginning programming NOTE It will take some time for your...

Page 8: ...onds or the thermostat will revert back to the operational mode If this happens simply repeatedly press the PROGRAM button until you get back to where you left off The information you have already entered has been retained NOTE If consecutive events have the same temperature you can skip an event by simultaneously pressing the PROGRAM and MODE buttons Press and release the PROGRAM button to advanc...

Page 9: ...l flashing 12 or some other hour and flashing AM or PM will appear on the display You are now setting the time you want your heating or cooling equipment to come on in the morning Step 3 Press the DECREASE button or INCREASE button to set the desired hour for the Morning event Step 4 Press and release the PROGRAM button 00 or some other minutes will flash 110 948 7 12 01 10 16 AM Page 9 ...

Page 10: ...7 Press the DECREASE button or INCREASE button to set the desired heating temperature for the Morning event Step 8 Press and release the PROGRAM button the Day event symbol will appear You are now setting the time and heating temperature you want throughout the day Step 9 Repeat steps 2 6 to complete programming for the Day event Step 10 Press and release the PROGRAM button the Evening event symbo...

Page 11: ...nt Setting Or Changing The Weekend Program For Heating Mode Step 1 After setting the Night event Weekday program press and release the PROGRAM button Sa Su the Morning event symbol flashing 12 or some other hour and flashing AM or PM will appear on the display You are now programming the time and temperatures for the weekend Step 2 Repeat steps 2 6 identical to Weekday programming for Morning Day ...

Page 12: ... the 2 degree separation NOTE Your event starting times are the same in the cooling mode program as the heating mode start times Example If your program start time for the Morning event is 7 00 AM for heating the cooling start time is already programmed for 7 00 AM as well Once you change the program starting time for an event the thermostat automatically changes the starting time for both the hea...

Page 13: ...CREASE button or INCREASE button to set the desired cooling temperature for the morning event You are now setting the cooling temperature you want in the morning Step 5 Repeat steps 2 4 for the Day Evening and Night events Step 6 After selecting the cooling temperature for the Weekday Night event press and release the PROGRAM button Sa Su Morning event symbol and flashing starting time you program...

Page 14: ...or cooling Step 2 Press and release the PROGRAM button repeatedly to advance to Mo Tu We Th Fr or Sa Su and specific event Continue pressing the PROGRAM button to review the time schedules and temperature settings for each desired event To Start Running The Program After all temperatures and start times have been programmed press and release the RESUME button to start running programs If no button...

Page 15: ...thermostat 3 Although the thermostat is internally equipped to prevent short cycling of the furnace and air conditioner it is possible to inadvertently override this protection Do not start stop and restart the equipment without allowing a minimum of 2 minutes between heating or cooling cycles Thermostat Operation The Model 8552 is a full featured thermostat which allows for additional control and...

Page 16: ... 14 110 948 7 12 01 10 16 AM Page 16 ...

Page 17: ... degree increments The new set point temperature will be held for 3 hours then the thermostat will automatically return to the program Hold a New Temperature Set Point Press and hold the DECREASE button or INCREASE button to change the room set point temperature in 1 degree steps The new set point temperature can be maintained indefinitely by pressing and releasing the HOLD button The word HOLD wi...

Page 18: ...taneously pressing the DECREASE button and the INCREASE button Checking the Outdoor Temperature If your thermostat was installed with the optional Aprilaire Outdoor Temperature Sensor simply press the OUTDOOR button and the thermostat will display the outdoor temperature for 3 seconds before automatically returning to the actual room temperature display TIME CONTROL Change From 12 to 24 Hour Clock...

Page 19: ... or a humidifier or to circulate air in the home when neither heating nor air conditioning is needed For some heat only systems continuous fan operation may not be an option Selecting Cooling Mode Press the MODE button until the word COOL appears on the display In this mode the air conditioning system will maintain temperature according to the programming previously completed unless an override te...

Page 20: ...ll turn on depending on which programmed set point is closest to the room temperature Note that both the Snowflake and Flame icons are on the display The Snowflake will flash or the Flame will flicker depending on which equipment is running Turning the System Off Press the MODE button until the word OFF appears on the display In this mode neither heating or air conditioning will operate regardless...

Page 21: ...rticular needs This should only be done after consulting with your contractor The Model 8552 DIP switches control the following functions No 1 4 min 2 min Minimum Equipment On Off Times This switch is factory preset at 2 minutes This switch provides short cycle protection for the furnace and air conditioning unit If you feel that the furnace or air conditioning system turns on and off too many tim...

Page 22: ...arily change the set point a maximum of plus or minus 3 degrees for a period of 1 hour before the thermostat automatically returns to the original program If the thermostat does not respond when a button is pushed it may be because the keypad has been locked A Lock icon will appear when a button other than OUTDOOR is pushed if the keypad has been locked No 3 Fan with Heat Call This switch was set ...

Page 23: ...o your thermostat do not attempt to access the DIP switches The following procedure must be carefully followed a Turn off power to the thermostat b Completely open the thermostat cover The cover will snap into this position c Carefully insert a medium sized flathead screwdriver into the latch access slot see Figure 1 Figure 1 CAUTION TO PREVENT DAMAGE AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON ...

Page 24: ...ver until the lock tab disengages from the catch tab you should feel or hear a click see Figure 2 e After the latch releases grip the thermostat panel at the bottom corners and swing it up and away from the base to completely separate See Figure 3 110 948 7 12 01 10 16 AM Page 24 ...

Page 25: ...tion given at the beginning of this section After the DIP switches have been set to the desired position carefully reassemble the thermostat a Place the cover on the base by lining up the 2 round pegs on the bottom of the cover with the half circle cutouts on the top of the base Note that the bottom of the cover when fully open slides in behind the top of the base Swing the cover fully open The co...

Page 26: ... panel to the base and snap in place at bottom of thermostat panel see Figure 4 c Turn the thermostat power back on CAUTION TO PREVENT DAMAGE AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON BOTTOM RIGHT HAND CORNER OF THERMOSTAT CIRCUIT BOARD 24 110 948 7 12 01 10 16 AM Page 26 ...

Page 27: ...e thermostat will never lose what has been programmed regardless of the length of the power outage After a period of 30 minutes without power the clock will need to be reset The clock will default to 12 00 AM Refer to the Programming Instructions to reset the clock Cleaning If the surface of the thermostat becomes dirty it can be cleaned with plain water or many non abrasive household cleaners suc...

Page 28: ...ELF IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID TWO YEAR PERIOD RESEARCH PRODUCTS CORPORATION S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OTHER THAN DAMAGES FOR PERSONAL INJURIES RESULTING FROM ANY BREACH OF THE AFORESAID IMPLIED WARRANTIES OR THE ABOVE LIMITED WARRANTY IS EXPRESSLY EXCLUDED THIS LIMITED WARRANTY I...

Page 29: ... 27 NOTES 110 948 7 12 01 10 16 AM Page 29 ...

Page 30: ... 28 NOTES 110 948 7 12 01 10 16 AM Page 30 ...

Page 31: ... 29 NOTES 110 948 7 12 01 10 16 AM Page 31 ...

Page 32: ...difier The Best Cure For Dryness The world s first computer equipped completely automatic humidifier High Efficiency Air Cleaner Nobody Makes Clean Air Easier The economical trouble free high efficiency air cleaner for your home Fresh Air Exchanger Only The Freshest Homes Have April Air Your best value for a constant controlled supply of fresh air with energy recovery Zone Control System Custom Co...

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