Aprilaire 8555 Owner's Manual
  1. Manuals
  2. Brands
  3. Aprilaire Manuals
  4. Thermostat
  5. 8555
  6. Owner's manual
Aprilaire 8555 Owner's Manual

Aprilaire 8555 Owner's Manual

7 day programmable thermostat
Hide thumbs Also See for 8555:
Table of Contents

Advertisement

Quick Links

Download this manual
110-793B
7/11/01
3:29 PM
Page 1
®
ELECTRONIC THERMOSTAT
Owner' s Manual
MODEL 8555
7 Day Programmable
Thermostat

Advertisement

Table of Contents
loading

Related Manuals for Aprilaire 8555

Summary of Contents for Aprilaire 8555

  • Page 1 110-793B 7/11/01 3:29 PM Page 1 ® ELECTRONIC THERMOSTAT Owner’ s Manual MODEL 8555 7 Day Programmable Thermostat...

  • Page 2: Table Of Contents

    110-793B 7/11/01 3:29 PM OWNER’S MANUAL – TABLE OF CONTENTS ® Program Information ............1 NERGY Setting Or Changing The Clock .

  • Page 3: Energy Star Program Information

    In fact, the Aprilaire Electronic Thermostat Model 8555 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 4 110-793B 7/11/01 3:29 PM 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

    110-793B 7/11/01 3:29 PM 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 6 110-793B 7/11/01 3:29 PM 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.

  • 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 8 110-793B 7/11/01 3:29 PM 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.

  • Page 9: Program Schedule

    110-793B 7/11/01 3:29 PM 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

    110-793B 7/11/01 3:29 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.
  • Page 11 110-793B 7/11/01 3:29 PM 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.

  • Page 12: Setting Or Changing Program Temperatures

    110-793B 7/11/01 3:29 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.

  • Page 13: Cooling

    110-793B 7/11/01 3:29 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 “ ”...
  • Page 14 110-793B 7/11/01 3:29 PM 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 “ and flashing temperature will appear on the display.

  • Page 15: Reviewing Programmed Time Schedules And Temperature Settings

    110-793B 7/11/01 3:29 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.

  • Page 16: For Best Performance

    2 minutes between heating or cooling cycles. The Model 8555 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 17 110-793B 7/11/01 3:29 PM Page 17 Aprilaire Model 8555 7 Day Programmable Thermostat – 15 –...

  • Page 18: Temperature Control

    7/11/01 3:29 PM TEMPERATURE CONTROL • Reading the Actual Room Temperature: The Model 8555 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

    110-793B 7/11/01 3:29 PM 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 21 110-793B 7/11/01 3:29 PM 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 backup heat source (other than the heat pump) will maintain temperature according to the programming previously completed unless an override temperature has been entered.

  • Page 22: Optional Settings For Additional Thermostat Features

    Optional Settings For Additional Thermostat Features The Model 8555 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 23 110-793B 7/11/01 3:29 PM No. 2 – Smart Fan. The thermostat is factory preset with the Smart Fan option off. This allows the system fan to operate normally with the heating and cooling equipment. If the Smart Fan option is turned on by placing the DIP switch in the ON position when the Fan button on the thermostat is pushed (indicated by the fan icon on the display), the system fan will run continuously during the Morning, Day, and Evening events.
  • Page 24 110-793B 7/11/01 3:29 PM • The DECREASE a maximum of ±6°F (±3°C) for a period of 3 hours, 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.
  • Page 25 110-793B 7/11/01 3:29 PM thermostat panel, not on the display). If your heating/cooling system has the required controls for automatically determining when to change the air filter, this feature is beneficial. Consult your contractor for further information. No. 8 – Free LED 2 with LCD Wrench Symbol. When moved to the ON position, this switch turns on a Wrench icon on the display screen when a 24-volt signal is sent to LED 2 (top right edge of the thermostat panel, not on the display).
  • Page 26 110-793B 7/11/01 3:29 PM 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 27 110-793B 7/11/01 3:29 PM 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 28 110-793B 7/11/01 3:29 PM 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 28 Be careful to change only the intended DIP switches per the explanation given at the beginning of this section.
  • Page 29 110-793B 7/11/01 3:29 PM 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: Setting High And Low Balance Points

    110-793B 7/11/01 3:29 PM Page 30 Setting High And Low Balance Points If your system is installed with the required Model 8041 Remote Outdoor Sensor, the high and low balance points should have been properly set by your contractor. Heat pumps operate by extracting energy out of the outdoor air and transferring it to the indoor air. This process is efficient over a wide range of temperatures.

  • Page 31: Using Available Led Indicators

    110-793B 7/11/01 3:29 PM Page 31 Using The Available LED Indicators This model is equipped with 3 LED indicator lights. These LEDs are located along the top edge of the thermostat panel (not on the display) and look like small, clear edges protruding out of the top of the thermostat.

  • Page 32: In Case Of Power Failure

    In Case Of Power Failure The Model 8555 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 33: Limited Warranty

    7/11/01 3:29 PM Page 33 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 34 110-793B 7/11/01 3:29 PM Page 34 Notes: – 32 –...
  • Page 35 110-793B 7/11/01 3:29 PM Page 35 Notes: – 33 –...
  • Page 36 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...

Table of Contents