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110-790B 7/11/01 3:11 PM Page 1
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ELECTRONIC THERMOSTAT
Owner’s Manual
MODEL 8553
7 Day Programmable Thermostat
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110-790B 7/11/01 3:11 PM 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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110-790B 7/11/01 3:11 PM 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 8553 has earned the ENERGY STAR designation of the U.S. Environmental Protection Agency (EPA). This means that your Apri
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110-790B 7/11/01 3:11 PM 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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110-790B 7/11/01 3:11 PM 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: 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. – 3 –
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110-790B 7/11/01 3:11 PM Page 6 Step 2: 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 3: 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 4: Press the CLOCK button again. The clock is now set and the current time
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110-790B 7/11/01 3:11 PM 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 Eveni
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110-790B 7/11/01 3:11 PM 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 sugg
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110-790B 7/11/01 3:11 PM Page 9 PROGRAM SCHEDULE TIME SCHEDULE THERMOSTAT DESIRED EVENT SYMBOL TEMPERATURE Mon Tue Wed Thu Fri Sat Sun 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 information y
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110-790B 7/11/01 3:11 PM Page 10 Setting Or Changing Program Times Step 1: Press and release the PROGRAM button. “Mo” or the current day of the week will flash and the Morning “ “ event symbol will appear on the display. Press the DECREASE button or INCREASE button to access the day of the week you wish to start programming or to change the existing program. Step 2: Press and release the PROGRAM button. The hours and “AM” or “PM” will flash. Press the DECREASE button or INCRE
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110-790B 7/11/01 3:11 PM Page 11 Step 3: Press and release the PROGRAM button. The minutes will flash on the display. Press the DECREASE button or INCREASE button to set the select time minutes for the Morning “ “ event (program times are set in ten-minute increments). Step 4: Press and release the program button. The Day “ ” event symbol, flashing hours, and “AM” or “PM” will appear on the display. Repeat steps 2 and 3 for the Day “ ”, Evening “
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110-790B 7/11/01 3:11 PM Page 12 Setting Or Changing Heating Temperatures Step 1: Press and release the MODE button until the word “Heat” and the Morning “ ” event symbol appear on the display. Step 2: To set all program temperatures, press and release the SET TEMP button. The Morning “ ” event symbol and flashing temperature will appear on the display. Step 3: Press the DECREASE button or INCREASE button to set the desired Morning “ “ even
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110-790B 7/11/01 3:11 PM Page 13 Step 4: Repeat steps 2 and 3 for the Day “ ”, Evening “ ”, and Night “ ” events. NOTE: If thermostat is set for 2 events per day, only the Day “ ” and Night “ ” events can be programmed. 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
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110-790B 7/11/01 3:11 PM Page 14 Step 1: Press and release the MODE button until the word “COOL” and the “ ” cooling symbol appear on display. Step 2: To set all program temperatures, press and release the SET TEMP button. The Morning “ ” event symbol and flashing temperature will appear on the display. Step 3: Press the DECREASE button or INCREASE button to set the desired morning event temperature. Step 4: Repeat steps 2 and 3 for the Day “ ”, Evening “ ”, and Nigh
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110-790B 7/11/01 3:11 PM Page 15 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 to begin review. Continue pressing the PROGRAM button to review the time schedules and temperature settings for each desired event. To review a specific day use the DECREASE button or INCREASE button to access the day without having to vie
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110-790B 7/11/01 3:11 PM Page 16 For Best Performance The Aprilaire Model 8553 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 or portable humidifiers, near the thermostat. 3. Althou
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110-790B 7/11/01 3:11 PM Page 17 Aprilaire Model 8553 7 Day Programmable Thermostat – 15 –
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110-790B 7/11/01 3:11 PM Page 18 TEMPERATURE CONTROL • Reading the Actual Room Temperature: The Model 8553 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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110-790B 7/11/01 3:11 PM 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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110-790B 7/11/01 3:11 PM 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 furnace/air conditioner is ope
