AprilAire 8553 - Manuals

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 known a...

– 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...

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...

– 15 – Aprilaire Model 8553 7 Day Programmable Thermostat 110-790B 7/11/01 3:11 PM Page 17

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 temperatu...

– 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...

– 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 ...

– 20 – Optional Settings For Additional Thermostat Features The Model 8553 thermostat is equipped with 5 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. The installing contracto...

– 22 – If the thermostat does not respond when a button is pushed it may be because the keypad has been locked. A Lock icon “ “ will appear when a button other than OUTDOOR is pushed if the keypad has been locked. No. 5 – Fan with Heat Call. This switch was set by the installing contractor to operat...

– 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...

– 26 – 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...

– 27 – In Case Of Power Failure The Model 8553 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. Du...

– 28 – Cleaning If the surface of the thermostat becomes dirty it can be cleaned with plain water or many non- abrasive household cleaners, such as glass cleaner. When using any cleaner be careful not to get any into the interior of the thermostat. Do not spray any cleaner directly onto the thermost...

– 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,...

B2202117 REV. 04/01 110-790B 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...