Aprilaire 8552 manual

EL E CTR O NIC THERM O S T A T ® O w n e r’ s M an u al MODEL 8552 5-2 Day Programmable Thermostat 110-948 7/12/01 10:16 AM Page 1[...]

OWNER’S MANUAL – T ABLE OF CONTENTS Energy Star ® Program Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Setting Or Changing The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3 Setting Or Changing The W eekda[...]

– 1 – 1 3 5 6 9 0 2 2 3 3 5 6 7 9 25 25 26 Energy Star ® 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. In fact, t[...]

As part of the Energy Star program, your thermostat has been programmed with the following times and temperatures. This has been done to achieve energy efficiency and lower energy bills. If you need to modify your program schedule, see page 6. – 2 – TIME SCHEDULE THERMOST A T DESIRED EVENT SYMBOL TEMPERA TURE Mon T ue Wed Thu Fri Sat Sun SETTIN[...]

nd – 3 – un 00 m 00 m 00 m :00 m IMPORT ANT : READ ALL INSTRUCTIONS THOROUGHL Y 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 Step 1: If you are currently in Daylight Saving T ime (first Sunday in April thru four[...]

– 4 – Step 3: Press the CLOCK button again and “ 12: ” (hours) and “ AM ” or “ PM ” will flash. Use the DECREASE or INCREASE button to change the flashing symbol to the current hour making sure the hour has the proper AM or PM designation. Step 4: Press the CLOCK button and “ :00 ” (minutes) will flash. Use the DECREASE or INCRE[...]

s) or er ill tton w Setting Or Changing The W eekday Program For Heating Mode 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. Y our Aprilaire Thermostat will allow a maximum of 4 time schedules per day . Each time schedule is known a[...]

– 6 – PROGRAM SCHEDULE TIME SCHEDULE THERMOST A T DESIRED MONDA Y – SA TURDA Y & EVENT SYMBOL TEMPERA TURE FRIDA Y SUNDAY SETTING Morning Heat = Cool = Day Heat = Cool = Evening Heat = Cool = Night Heat = Cool = NOTE: While programming you must press a button at least every 15 seconds or the thermostat will revert back to the operational [...]

– 7 – Step 1: Press and release the MODE button until the word “ HEA T ” and the “ ” heating symbol appear on the display . Step 2: Press and release the PROGRAM button – “ Mo T u We Th F r ”; Morning event symbol “ ”; flashing “ 12: ” (or some other hour); and flashing “ AM ” or “ PM ” will appear on the display .[...]

Step 5: Press the DECREASE button or INCREASE button to set the desired minutes for the Morning “” event (program starting times are set in ten-minute increments). Step 6: Press and release the PROGRAM button – the current heating temperature will begin to flash. Y ou are now setting the heating temperature you desire in the morning. Step 7: [...]

ent ar . 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 . Y ou are now setting the time and heating temperature you want at night. Step 13: Repeat steps 2-6 to complete programming for the Night “ ” event. Setting Or Ch[...]

Setting Cooling T emperatures 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 t[...]

er .) d e Step 2: Press and release the PROGRAM button – “ Mo T u 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. Step 4: Press the DECREASE button or INCREASE button to set the desired coolin[...]

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 “ ” events. Reviewing Programmed T ime Schedules And T emperature Settings Step 1: Press and release the MODE button repeatedly to advance to the desired mod[...]

nt Su ” n ely – 13 – For Best Performance The Aprilaire ® Model 8552 thermostat is designed for accurate temperature control and easy operation. The following guidelines should be followed to ensure proper operation of the thermostat: 1. When the thermostat is operating, close the cover to allow for proper air circulation over the temperatur[...]

TE • • • • – 14 – 110-948 7/12/01 10:16 AM Page 16[...]

TEMPERA TURE CONTROL • Reading the Actual Room T emperature: The Model 8552 normally displays the room temperature, not the set-point temperature. • Check the Set-Point T emperature: Press and release the DECREASE button or INCREASE button. The thermostat will display the programmed set-point temperature and a thermometer for 5 seconds before a[...]

EQ • t • • • 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 high or low (ie: 70˚F = 21˚C) you [...]

EQUIPMENT CONTROL • T urning on the Fan: At any time the system fan can run continuously by pressing the FA N button. Note that a Fan icon, “ “, appears in the lower part of the display indicating that the fan is continuously operating. T o return the fan to the normal operating mode, press the FA N button again which will remove the icon fro[...]

The prin con to b The nee The No. completed unless an override temperature has been entered. Note that a Flame icon, “ “ is on the display , which flickers when the furnace is running. • 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 af[...]

Optional Settings For Additional Thermostat Features The Model 8552 thermostat is equipped with 3 DIP switches located inside the thermostat on the printed circuit board. These switches are preset by the factory to typical home heating and air conditioning system requirements. The installing contractor also reviewed the settings during installation[...]

– 20 – To c rem The bef per wh pow do the follo be a) b) c) No. 2 – Keypad Lock. If tampering with the thermostat is expected and unwanted, the keypad can be locked by moving this switch from the factory set OFF position to ON . This should not be done until all programming is finalized. In the locked position only the following functions can[...]

T o 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. If you do not know where the switch is that controls the power to your thermostat, do not attempt to access the DIP switches[...]

– 22 – O an Figure 2 Figure 3 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[...]

– 23 – 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 this section. After the DIP switches have been set to th[...]

Figure 4 b) 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) . c) T urn the thermostat power back on. Th the up he Th the Aft 12: If t ho int a s CAUTION: TO PREVENT DAMAGE, A VOID CONT ACT WITH BLUE TEMPERA TURE SENSOR ON BOTTOM RIGHT -HAND CORNER OF T[...]

he In Case Of Power Failure The Model 8552 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 30 minutes after the power goes out. During the period that the power is off, th[...]

Limited W arranty Y our 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 replacement for any thermostat [...]

te of e, a ether ginal HALL D TO HALL ON’S RIES, TY IS THIS ITED LIED al or state – 27 – NOTES 110-948 7/12/01 10:16 AM Page 29[...]

– 28 – NOTES 110-948 7/12/01 10:16 AM Page 30[...]

– 29 – NOTES 110-948 7/12/01 10:16 AM Page 31[...]

B2202106 REV . 11/99 1 10-948 P .O. BOX 1467 • MADISON, WI 53701-1467 Products For Better Indoor Air Quality ™ The Aprilaire ® T otal Indoor Air Comfort System is an integr ated group of air quality enhancement products designed to work with your heating and cooling system to make your home mor e comfortable. F or the best in indoor air qualit[...]