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110-792B 7/12/01 8:28 AM Page 1
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ELECTRONIC THERMOSTAT
Owner’s Manual
MODEL 8554
5-2 Day Programmable
Thermostat
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110-792B 7/12/01 8:28 AM Page 2 OWNER’S MANUAL – TABLE OF CONTENTS ® ENERGY STAR Program Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Setting Or Changing The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Setting Or Changing The Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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110-792B 7/12/01 8:28 AM Page 3 ® ENERGY STAR Program Information About half of all energy used by households goes to heating and cooling the ® home. By selecting a programmable Aprilaire Electronic Thermostat, you have made a significant step toward conserving energy usage and costs, while improving your indoor comfort. In fact, the Aprilaire Electronic Thermostat Model 8554 has earned the ENERGY STAR designation of the U.S. Environmental Protection Agency (EPA). This means that your Apr
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110-792B 7/12/01 8:28 AM Page 4 As part of the ENERGY STAR program, your thermostat has been programmed with the following times and temperatures. This has been done to achieve energy efficiency and lower energy bills. If you need to modify your program schedule, see page 7. TIME 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 am am am am am am am Cool = 78˚ Day Heat = 62˚ 8:00 8:00 8:00 8:00 8:
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110-792B 7/12/01 8:28 AM Page 5 IMPORTANT: READ ALL INSTRUCTIONS THOROUGHLY Programming your Aprilaire Thermostat is done in three easy steps: setting the clock, setting the event times, and setting your desired temperatures. Setting Or 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 “M
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110-792B 7/12/01 8:28 AM Page 6 Step 3: Press the CLOCK button again and “12:” (hours) and “AM” or “PM” will flash. Use the DECREASE or INCREASE button to change the flashing symbol to the 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
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110-792B 7/12/01 8:28 AM Page 7 Setting Or Changing The Program Programming your Aprilaire Electronic Thermostat involves selecting the temperature you want in your home and selecting the time you want it to be that temperature. Your Aprilaire Thermostat will allow a maximum of 4 time schedules per day. Each time schedule is known as an “event.” The Morning event is typically when you wake up and is the first event of the day. The Day event is typically set when you leave for work. The Even
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110-792B 7/12/01 8:28 AM Page 8 To activate the progressive recovery mode simultaneously press the PROGRAM and FAN buttons. A small thermostat icon, “ “, will appear under the clock. Once in this mode proceed with programming your thermostat remembering to use exact times for each event time change. NOTE: If not using Progressive Recovery, it will take some time for your heating or cooling system to reach the desired temperature when returning from a setback. Therefore, it is sugge
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110-792B 7/12/01 8:28 AM Page 9 PROGRAM SCHEDULE TIME SCHEDULE THERMOSTAT DESIRED MONDAY – SATURDAY & EVENT SYMBOL TEMPERATURE FRIDAY SUNDAY SETTING Morning Heat = Cool = Day Heat = Cool = Evening Heat = Cool = Night Heat = Cool = NOTE: While programming you must press a button at least every 2 minutes or the thermostat will revert back to the operational mode. If this happens, simply repeatedly press or press and hold the PROGRAM button until you get back to where you left off. The informat
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110-792B 7/12/01 8:28 AM Page 10 Setting Or Changing The Weekday Program For Heating Mode Step 1: Press and release the MODE button until the word “HEAT” and the “ ” heating symbol appear on the display. Step 2: Press and release the PROGRAM button – “Mo Tu We Th Fr”; Morning event symbol “ ”; 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 equipment to come on in the morning. Step 3: P
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110-792B 7/12/01 8:28 AM Page 11 Step 5: Press the DECREASE button or INCREASE button to set the desired minutes for the Morning“” event (program starting times are set in ten-minute increments). Step 6: Press and release the PROGRAM button – the current heating temperature will begin to flash. You are now setting the heating temperature you desire in the morning. Step 7: Press the DECREASE button or INCREASE button to set the desired heating temperature for the Morning “
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110-792B 7/12/01 8:28 AM Page 12 Step 11: Repeat steps 2-6 to complete programming for the Evening “ ” event. Step 12: Press and release the PROGRAM button – the Night “ ” event symbol will appear. You are now setting the time and heating temperature you want at night. Step 13: Repeat steps 2-6 to complete programming for the Night “ ” event. Setting Or Changing The Weekend Program For Heating Mode Step 1: After setting the Night “ ” event Weekday program, press and release the P
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110-792B 7/12/01 8:28 AM Page 13 Setting Or Changing Cooling Temperatures NOTE: Cooling temperatures must be set at least 2 degrees higher than heating temperatures. (Example: If heating temperature is set at 70˚F, cooling temperature must be set to at least 72˚F or higher.) If not set at least 2 degrees higher, the thermostat will automatically lower the previously programmed heating temperature to maintain the 2 degree separation. NOTE: Your event starting times are the same in the cooling
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110-792B 7/12/01 8:28 AM Page 14 Step 2: Press and release the PROGRAM button – “Mo Tu We Th Fr”; Morning“ ” event symbol; and flashing starting time you programmed will appear on the display. Step 3: Press and release the PROGRAM button repeatedly until the temperature flashes. Step 4: Press the DECREASE 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
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110-792B 7/12/01 8:28 AM Page 15 Step 7: Press and release the PROGRAM button until the temperature for the Morning “ ” event flashes. Repeat steps 2-4 for the Morning “ ”, Day “ ”, Evening “ ”, and Night “ ” events. Reviewing Programmed Time Schedules And Temperature Settings Step 1: Press and release the MODE button repeatedly to advance to the desired mode (heating or cooling). Step 2: Press and release the PROGRAM button repeatedly to advance to “M
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110-792B 7/12/01 8:28 AM Page 16 For Best Performance The Aprilaire Model 8554 thermostat is designed for accurate temperature control and easy operation. The following guidelines should be followed to ensure proper operation of the thermostat: 1. When the thermostat is operating, close the cover to allow for proper air circulation over the temperature sensor. 2. Do not place anything which can give off warm or cool air, such as candles, lamps, or portable humidifiers, near the thermostat. 3
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110-792B 7/12/01 8:28 AM Page 17 Aprilaire Model 8554 7 Day Programmable Thermostat – 15 –
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110-792B 7/12/01 8:28 AM Page 18 TEMPERATURE CONTROL • Reading the Actual Room Temperature: The Model 8554 normally displays the room temperature, not the set-point temperature. • Check the Set-Point Temperature: Press and release the DECREASE button or INCREASE button. The thermostat will display the programmed set-point temperature and a thermometer for 5 seconds before automatically returning to the actual room temperature display. • Temporarily Override the Set Temperature: Press and h
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110-792B 7/12/01 8:28 AM Page 19 • Returning to Programmed Operation: At any time, press the RESUME button to return the thermostat to operate as programmed. • Change Between °C and °F : The thermostat has the capability of displaying either Celsius or Fahrenheit temperatures. If the displayed temperature seems abnormally high or low (ie: 70˚F = 21˚C) you may need to switch to ˚C or ˚F by simultaneously pressing the DECREASE button and the INCREASE button. • Checking the Outdoor T
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110-792B 7/12/01 8:28 AM Page 20 EQUIPMENT CONTROL • Turning on the Fan: At any time the system fan can run continuously by pressing the FAN button. Note that a Fan icon, “ “, appears in the lower part of the display indicating that the fan is continuously operating. To return the fan to the normal operating mode, press the FAN button again which will remove the icon from the display. In the normal operating mode the fan will only run when the heating or air conditioning is
