Page 2 - OWNER’S MANUAL – TABLE OF CONTENTS
OWNER’S MANUAL – TABLE OF CONTENTS E NERGY S TAR ® Program Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Setting Or Changing The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . ....
Page 3 - Program Information; Electronic Thermostat, you
– 1 – E NERGY S TAR ® 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. I...
Page 5 - READ ALL INSTRUCTIONS THOROUGHLY; Setting Or Changing The Clock; Press the; CLOCK; button and “; Mo; or; INCREASE; button to
– 3 – IMPORTANT: READ ALL INSTRUCTIONS THOROUGHLY Programming your Aprilaire Thermostat is done in three easy steps: setting the clock, setting the eventtimes, and setting your desired temperatures. Setting Or Changing The Clock Step 1: Press the CLOCK button and “ Mo ” (or another day of the week) ...
Page 7 - Setting Or Changing The Program; Morning; Day; event is typically set when you; Evening; event is typically set when you come home from work and the; Night; event; Progressive Recovery
– 5 – Setting Or Changing The Program Programming your Aprilaire Electronic Thermostat involves selecting the temperature you want in yourhome and selecting the time you want it to be that temperature. Your Aprilaire Thermostat will allow amaximum of 4 time schedules per day. Each time schedule is k...
Page 9 - PROGRAM SCHEDULE
– 7 – 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 rever...
Page 13 - Repeat steps 2 and 3 for the; Setting Or Changing Cooling Temperatures
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 he...
Page 18 - TEMPERATURE CONTROL; Reading the Actual Room Temperature:
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 or INCREASE button. The thermostat will display the programmed set-point temperatu...
Page 19 - TIME CONTROL
– 17 – • 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 hi...
Page 20 - EQUIPMENT CONTROL; Selecting Cooling Mode:
– 18 – 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 ...
Page 22 - Optional Settings For Additional Thermostat Features
– 20 – 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 systemrequirements. The installing contractor...
Page 25 - TO PREVENT DAMAGE, AVOID CONTACT
– 23 – To change the DIP switch settings, the thermostat must beremoved from the base which is attached to the wall. The power to the thermostat must be turned offbefore disassembling or the thermostat can bepermanently damaged. If you do not knowwhere the switch is thatcontrols the power to yourthe...
Page 28 - TO PREVENT
Figure 4 b) Align the hinge tabs on the base andthermostat panel. Swing the panel to thebase and snap in place at bottom ofthermostat panel (see Figure 4) . c) Turn the thermostat power back on. CAUTION: TO PREVENT DAMAGE, AVOID CONTACT WITH BLUE TEMPERATURE SENSOR ON BOTTOM RIGHT-HAND CORNER OF THE...
Page 30 - outage. If the thermostat has been set to “; Hold; ” a particular temperature and the power fails, the; Cleaning; cleaner onto a soft cloth and wipe the surface of the thermostat.
– 28 – 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 t...
Page 31 - Limited Warranty
– 29 – 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,...
Page 32 - Automatic Humidifier
B2202159 REV. 04/01 110-791B P.O. BOX 1467 • MADISON, WI 53701-1467 Products For Better Indoor Air Quality ™ The Aprilaire ® Total Indoor Air Comfort System is an integrated group of air quality enhancement products designed to work with your heating and cooling system to make your home more comfort...