Aprilaire 8554 Owner's Manual
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Aprilaire 8554 Owner's Manual

Aprilaire 8554 Owner's Manual

5-2 day programmable thermostat
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110-792B
7/12/01
8:28 AM
Page 1
®
ELECTRONIC THERMOSTAT
Owner' s Manual
MODEL 8554
5-2 Day Programmable
Thermostat

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Summary of Contents for Aprilaire 8554

  • Page 1 110-792B 7/12/01 8:28 AM Page 1 ® ELECTRONIC THERMOSTAT Owner’ s Manual MODEL 8554 5-2 Day Programmable Thermostat...

  • Page 2: Table Of Contents

    110-792B 7/12/01 8:28 AM OWNER’S MANUAL – TABLE OF CONTENTS ® Program Information ............1 NERGY Setting Or Changing The Clock .

  • Page 3: Energy Star Program Information

    NERGY the 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 label.
  • Page 4 110-792B 7/12/01 8:28 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...

  • Page 5: Setting Or Changing The Clock

    110-792B 7/12/01 8:28 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: If you are currently in Daylight Saving Time (first Sunday in April thru fourth Sunday in October), press the DST button and “...
  • Page 6 110-792B 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 INCREASE button to change the flashing symbol to the current hour making sure the hour has the proper AM or PM designation.

  • 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 8 110-792B 7/12/01 8:28 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. For example, if you get up at 7:00 AM and have a 6 degree setback, set your Morning event at 6:00 AM to be sure the desired temperature is reached by 7:00 AM.

  • Page 9: Program Schedule

    110-792B 7/12/01 8:28 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 The Weekday Program For Heating Mode

    110-792B 7/12/01 8:28 AM Setting Or Changing The Weekday Program For Heating Mode “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: Press the DECREASE button to set the desired hour for the Morning “...
  • Page 11 110-792B 7/12/01 8:28 AM button to set the desired heating temperature for the Morning “ Step 8: Press and release the PROGRAM button – the Day “ now setting the time and heating temperature you want throughout the day. Step 9: Repeat steps 2-6 to complete programming for the Day “ Step 10: Press and release the PROGRAM button –...

  • Page 12: Setting Or Changing The Weekend Program For Heating Mode

    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 “...

  • Page 13: Setting Or Changing Cooling Temperatures

    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.
  • Page 14 110-792B 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.

  • Page 15: Reviewing Programmed Time Schedules And Temperature Settings

    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 “ ”...

  • Page 16: For Best Performance

    2 minutes between heating or cooling cycles. The Model 8554 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 17 110-792B 7/12/01 8:28 AM Page 17 Aprilaire Model 8554 7 Day Programmable Thermostat – 15 –...

  • Page 18: Temperature Control

    7/12/01 8:28 AM 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. 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

    110-792B 7/12/01 8:28 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 21 110-792B 7/12/01 8:28 AM display, which flickers when the heat pump is running. Your thermostat will automatically turn on and off any additional stages of heating as required. • Selecting Emergency Heat Mode: Press the mode button until “E Ht” appears on the display. In this mode, the back-up heat source (other than the heat pump) will maintain temperatures according to the programming previously completed unless an override temperature has been entered.

  • Page 22: Setting High And Low Balance Points

    110-792B 7/12/01 8:28 AM can still be programmed, the optional outdoor temperature sensor will work and the heat pump fan will turn on if the FAN button is pressed. To avoid frozen water pipes, DO NOT use the OFF mode for long periods of time during sub-freezing temperatures.

  • Page 23: Using The Available Red Led Indicators

    Optional Settings For Additional Thermostat Features The Model 8554 thermostat is equipped with 6 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 24 This should only be done after consulting with your contractor. The Model 8554 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.
  • Page 25 110-792B 7/12/01 8:28 AM If the thermostat does not respond when a button is pushed it may be because the keypad has been locked. A Lock icon “ outlined above. No. 3 – Normal Heat Pump/Add-on Heat Pump. This switch is factory preset (to the OFF position) to operate in the normal heat pump mode.
  • Page 26 110-792B 7/12/01 8:28 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 27 110-792B 7/12/01 8:28 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 28 110-792B 7/12/01 8:28 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: Be careful to change only the intended DIP switches per the explanation given at the beginning of Page 28 this section.
  • Page 29 110-792B 7/12/01 8:28 AM Figure 4 Page 29 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...

  • Page 30: In Case Of Power Failure

    In Case Of Power Failure The Model 8554 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 31: Research Products Corporation

    7/12/01 8:28 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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