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Summary of Contents for Aprilaire 8556
- Page 1 110-791B 7/12/01 8:57 AM Page 1 ® ELECTRONIC THERMOSTAT Owner’ s Manual MODEL 8556 7 Day Programmable Thermostat...
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Page 2: Table Of Contents
110-791B 7/12/01 8:57 AM OWNER’S MANUAL – TABLE OF CONTENTS Program Information ............1 ®... -
Page 3: Energy Star Program Information
In fact, the Aprilaire Electronic Thermostat Model 8556 has earned the E U.S. Environmental Protection Agency (EPA). This means that your Aprilaire Thermostat is a highly efficient, cutting edge product that is good for the environment. It saves energy and costs less to operate than similar products that do not qualify for the E products help you differentiate between standard efficiency and high efficiency products. - Page 4 110-791B 7/12/01 8:57 AM As part of the E program, your thermostat has been programmed with the following times and NERGY temperatures. This has been done to achieve energy efficiency and lower energy bills. If you need to modify your program schedule, see page 7. THERMOSTAT EVENT SYMBOL...
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Page 5: Setting Or Changing The Clock
110-791B 7/12/01 8:57 AM 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 Page 5 Step 1: Press the CLOCK button and “Mo”... - Page 6 110-791B 7/12/01 8:57 AM Page 6 Step 2: Press the CLOCK button again and “12:” (hours) and “AM” or “PM” will flash. Use the DECREASE INCREASE button to change the flashing symbol to the current hour making sure the hour has the proper AM or PM designation.
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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. - Page 8 110-791B 7/12/01 8:57 AM 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 suggested you set your program time before the actual time you want your home to reach the desired temperature.
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Page 9: Program Schedule
110-791B 7/12/01 8:57 AM THERMOSTAT EVENT SYMBOL Morning Evening Night 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. -
Page 10: Setting Or Changing Program Times
110-791B 7/12/01 8:57 AM 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. - Page 11 110-791B 7/12/01 8:57 AM Step 5: Press and release the PROGRAM button. The word “Copy” and the day just programmed will appear on the display. If your schedule is the same for consecutive days, press the DECREASE button or INCREASE button to add days to the display.
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Page 12: Setting Or Changing Program Temperatures
110-791B 7/12/01 8:57 AM 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. -
Page 13: Cooling
110-791B 7/12/01 8:58 AM 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 “ ”... - Page 14 110-791B 7/12/01 8:58 AM 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 “ ”...
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Page 15: Reviewing Programmed Time Schedules And Temperature Settings
110-791B 7/12/01 8:58 AM 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. -
Page 16: For Best Performance
2 minutes between heating or cooling cycles. The Model 8556 is a full-featured thermostat which allows for additional control and operations after basic time and temperature programming is completed. In addition to the programming buttons used... - Page 17 110-791B 7/12/01 8:58 AM Page 17 – 15 –...
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Page 18: Temperature Control
7/12/01 8:58 AM TEMPERATURE CONTROL • Reading the Actual Room Temperature: The Model 8556 normally displays the room temperature, not the set-point temperature. • Check the Set-Point Temperature: Press and release the DECREASE 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. -
Page 19: Time Control
INCREASE • 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 5 seconds before automatically returning to the actual room temperature display. -
Page 20: Equipment Control
110-791B 7/12/01 8:58 AM 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, “ continuously operating. To return the fan to the normal operating mode, press the FAN button again which will remove the icon from the display. - Page 21 110-791B 7/12/01 8:58 AM display, which flickers when the furnace is running. Your thermostat will automatically turn on and off any additional stages of heating as required. • Automatic Heating and Cooling: This mode can be useful during times of the year and in climates when it is cool at night requiring heating but warm in the afternoon requiring cooling.
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Page 22: Optional Settings For Additional Thermostat Features
8:58 AM Optional Settings For Additional Thermostat Features The Model 8556 thermostat is equipped with 8 DIP switches located inside the thermostat on the printed circuit board. These switches are preset by the factory to typical home heating and cooling system requirements. - Page 23 110-791B 7/12/01 8:58 AM No. 3 – 4 Minute / 2 Minute Minimum Equipment On/Off Times. This switch is factory preset at 2 minutes. This switch provides short cycle protection for the furnace/air conditioner. If you feel that the furnace/air conditioner turns on and off too many times per hour, ask your contractor about changing the switch to a 4 minute minimum on time.
- Page 24 110-791B 7/12/01 8:58 AM No. 5 – Fan with Heat Call. This switch was set by the installing contractor to operate the thermostat properly with your equipment. Do not change the position of this switch without consulting with the installing contractor. No.
- Page 25 110-791B 7/12/01 8:58 AM To change the DIP switch settings, the thermostat must be removed from the base which is attached to the wall. The power to the thermostat must be turned off before disassembling or the thermostat can be permanently damaged.
- Page 26 110-791B 7/12/01 8:58 AM d) Gently push in and pry up on the handle of the screwdriver 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).
- Page 27 110-791B 7/12/01 8:58 AM Once the thermostat panel has been opened and removed from the base, turn the thermostat over and locate the DIP switches found on the circuit board according to the following drawing: Page 27 Be careful to change only the intended DIP switches per the explanation given at the beginning of this section.
- Page 28 110-791B 7/12/01 8:58 AM Figure 4 Page 28 Align the hinge tabs on the base and thermostat panel. Swing the panel to the base and snap in place at bottom of thermostat panel (see Figure 4). Turn the thermostat power back on. CAUTION: DAMAGE, AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON BOTTOM...
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Page 29: Using Available Led Indicators
In Case Of Power Failure The Model 8556 thermostat does not require a battery. If the power goes out the letters “AC” appear on the display indicating power is not being supplied to the thermostat. “AC” will remain on the display for up to approximately 1 hour after the power goes out. -
Page 30: Cleaning
110-791B 7/12/01 8:58 AM Page 30 This thermostat is equipped with a continuous memory feature which does not require any battery. The thermostat will never lose what has been programmed regardless of the length of the power outage. If the thermostat has been set to “Hold” a particular temperature and the power fails, the thermostat will maintain the hold temperature when the power is restored. -
Page 31: Research Products Corporation
7/12/01 8:58 AM Page 31 Limited Warranty Your Research Products Corporation Aprilaire ® Thermostat unit is expressly warranted for two (2) years from date of installation to be free from defects in materials and workmanship. Research Products Corporation’s exclusive obligation under this warranty shall be to supply, without charge, a... - Page 32 For the best in indoor air quality, ask your heating and cooling contractor about these fine Aprilaire products, or visit us at www.aprilaire.com for your Indoor Air Solutions. Automatic Humidifier...
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