Aprilaire 8533 Thermostat User Manual
Contents
1. ELECTRONIC THERMOSTAT Owner s M anual MODELS 3533 8534 6 S538 Digital Heat Cool Themostats 110 964B 7 12 01 9 14 AM Page 2 p OWNER S MANUAL TABLE OF CONTENTS Mode BUTON ice naria Se Ree ase a a a A A a a Adee ae poe Sue Temperature Settings Day Night BUON 6 6 eee Feri BU ea ee eed are eRe elk he SS E ects Sek Legge rE late See Nace N ees Saale OUO BUON fasted tape a Vie eve PG Yn ea SNA a Sta ieee ee Setting Up The Aprilaire Thermostat 2 0 eee Operating The Aprilaire Thenvostat 0 0 cee eee Changing The Current Tenperature Setting eee eee ee rnnr nnn Optional Feature Locking The Keypad 02 66 cece eee In Case Of Power Failure 0 0 cc eee ee een eee e nena Research Products Corporation 2001 110 964B 7 12 01 9 14 AM Page 3 IMPORTANT READ ALL INSTRUCTIONS THOROUGHLY Introduction Thank you for your recent Aprilaire Electronic Themostat purchase We sincerely appreciate your business and are pleased to add your narre to our growing list of cCustorrers With this purchase you have invested in the highest quality equipment currently available Please be assured that in addition to product quality we are comrritted to total product performance and complete custorrer satisfaction Now please take a few minutes to familiarize yourself with your new Aprilaire Thenrostat In order to take advantage of all the benefits of your new thenrostat it is in2. UR INSTALLER AS CONTRASTED TO DEFECTS IN THE THERMOSTAT ITSELF IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE SHALL BE LIMITED IN DURATION TO THE AFORESAID TWO YEAR PERIOD RESEARCH PRODUCTS CORPORATION S LIABILITY FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES OTHER THAN DAMAGES FOR PERSONAL INJURIES RESULTING FROM ANY BREACH OF THE AFORESAID IMPLIED WARRANTIES OR THE ABOVE LIMITED WARRANTY IS EXPRESSLY EXCLUDED THIS LIMITED WARRANTY IS VOID IF DEFECT S RESULT FROM FAILURE TO HAVE THIS THERMOSTAT INSTALLED BY A QUALIFIED HEATING AND AIR CONDITIONING CONTRACTOR IF THE LIMITED WARRANTY IS VOID DUE TO FAILURE TO USE A QUALIFIED CONTRACTOR ALL DISCLAIMERS OF IMPLIED WARRANTIES SHALL BE EFFECTIVE UPON INSTALLATION Some states do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages so the above exclusion or limitations may not apply to you This warranty gives you specific legal rights and you may also have other rights which vary from state to state 12 110 964B 7 12 01 9 14 AM Page 15 p x13 110 964B 7 12 01 9 14 AM Page 16 THE BEST IN INDOOR AIR COMFORT The Aprilaire Thal Indoor Air Canfat Systemis an integrated group of air quality enhancement products designed to work with your heating and cooling systemto make your hone nore confortable For the best in indoor air quality ask your heating and cooling contractor about th
3. ation at the tine of the power outage This thenvostat is equipped with a continuous memory feature which does not require any battery The thenrostat will never lose the four prograntred tenperature settings regardless of the length of the power outage CGeaning If the surface of the thenrostat becorres 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 thenrostat Do not spray any cleaner directly onto the thenrostat Spray the cleaner onto a soft cloth and wipe the surface of the thenrostat ll1l 110 964B 7 12 01 9 14 AM Page 14 F Linited 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 replacement for any thermostat which is found to be defective within a two 2 year period and which is returned together with the date of installation no later than thirty 30 days after said two 2 year period by you to either your original supplier or to Research Products Corporation Madison Wisconsin 53701 THIS WARRANTY SHALL NOT OBLIGATE RESEARCH PRODUCTS CORPORATION FOR ANY LABOR COSTS AND SHALL NOT APPLY TO DEFECTS IN WORKMANSHIP OR MATERIALS FURNISHED BY YO
4. edly pressing the MODE button until the desired mode appears on the display The heating and cooling systemmay be tumed off by selecting the ORF mode Do not set to the ORF mode during periods when freezing tenperatures may occur e COOL In the COOL node a Snowflake oe icon appears on the display which flashes when the air conditioning is running e HEAE In the HEA mode a Hane icon appears on the display which flickers when the fumace is running e AUTO Modelis amp 534 and 8538 only In the AGO mode the heating and cooling systemwill operate in either the IHEA or CoOL mode depending on which current setting the room ten perature is closest to Note that both the Srownaie BE and Flared icons appear on the display 110 964B 7 12 01 9 14 AM Page 10 F 2 Selectthe tenperaiure setting to be used by pressing the DAY NIGHT button until the desired previously stored temperature setting Day or Night appears on the display Use the pecrense 0 button and mcrease GY button to change the tenperature if desired NOTE that if changed the new set point will be pemanently stored in memory see CHANGING THE CURRENT TEMPERATURE SETTING 3 After approximately 5 seconds the thenrostat will retum to the normal display Note This themostet utilizes tine delays to protect the heating and cooling equipment If the equipment does not shut off or tum on intrediately when the tenperature s
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6. etting has been changed it nay be due to the built in tine delays 4 minutes nax 4 Press the Fan button if it is desired to run the fan continuously A Fan a icon will appear on the display when the fan is set to operate continuously 110 964B 7 12 01 9 14 AM Page 11 F Changing The Qment Ten perature Seting L Press and release either the Decrease J tattonor increase GY button to see the currert tenperature setting The setting a Thenmoneter icon and a Double Arrowhead icon will appear see Figures 2 and 30n pages 5 and 6 2 Change the tenperature setting OPTION 1 Use the pacrease K tutonor increase GS button Press and hold the pecrease 0 button or increase QS button to change the current tenperature setting The thenrostat remembers the most recent tenperature settings For example if the Day Cool tenperature shown in Figure 3 were changed from 78F to 76F the 76F setting would remain in memory as the Day Cool setting Note The Cool tenperature setting must be a mininumof 2F higher than the Heat tenperature setting for both the Day and Night sets The then rostat will autorratically update the setting not being changed In the exarrple above if the Day Heat setting was 75F the thenrostat would have automatically changed the setting to 74 F when the Cool setting was changed to 76F OPTION 2 Use the DAY NIGHT button Press the DAY NIGHT button to instantly change the tenperature setting to one of the two setting
7. portant that you understand how to operate it 110 964B 7 12 01 9 14 AM Page 4 F Temperature F or C Room temp normally displayed Press Outdoor button to display outdoor temp Model 8041 Remote Outdoor Sensor required Set point icon displays the active set point full sun Day set point partial moon Night set point Press to select Heat Cool Auto Off Auto for Models 8534 amp 8538 only Press for continuous fan Press again to resume to auto fan Fan icon displays during continuous fan only Figure 1 Display and Button Description Aprilaire Digital Heat Cool Thermostat Outdoor Heat and Cool Mode icons Both displayed during Auto Mode Flame flickers during heat call and Snowflake flashes during cool call Displays mode when changing Heat Cool Off and Auto Auto for Models 8534 amp 8538 only Press to display outdoor temperature w optional Model 8041 Remote Outdoor Sensor only Press to change set point to either the Day or Night preset value Press to raise and lower set point Press both at the same time to switch between F and C Press and release to view current set point 110 964B 7 12 01 9 14 AM Page 5 p Getting Faniliar with the Apilaire Themostat refer to Figure 1 The LCD Liquid Crystal Display normally shows the roomten perature the current node of operation if the Day or Nightternjperature setting is being used and if the systemfan is
8. s stored in merry 9 110 964B 7 12 01 9 14 AM Page 12 F Optional Feature Locking The Keypad If tampering with the thenrostat is expected and unwanted the keypad can be locked by changing the position of the Keypad Lock DIP switch switch no 2 fromthe factory set OFF position to ON The DIP switches are located inside the thenrostat on the circuit board To access the DIP switches refer to the Installation Instructions that carre with the thenrostat or consult your contractor In the locked position only the following functions can be done e The outdoor tenperature button will display the outdoor tenperature The thenrostat will default to the Day setting The pecene button and mcreaseQy button will tenporarily change the Day setting a mexinumof 46 F 38 for Model 8533 for a period of 3 hours before the thenrostat autorratically retums to the Dey setting If the thenrostat does not respond when a button is pushed it nay be because the keypad has been locked A tok f icon will appear when a button other than Outdoor is pushed if the keypad has been locked 10 110 964B 7 12 01 9 14 AM Page 13 F In Case Of Power Failure This themostat does not require a battery If the power goes out the display is blank During the period that the power is off the heating cooling systemwiill not operate When the power is restored the thenrostat will default to the Day setting and the current mode of oper
9. set for continuous operation Tenperature Display Roomtenperature can be displayed in either degrees Fahrenheit or degrees Celsius If the displayed tenperature seems abnormally high or low example 70F is equal to 21 C press the pecrense button and INCREASE N button simultaneously to switch between F and C Mode Button Three modes of operation are available for all the Heat Cool thenrostat models Heat Cool and Off Additionally with the Models 8534 and 8538 AL amp O node is available The node of operation indicates how you want your heating and cooling equipment to operate Press the MODE button until the desired mode of operation shows on the display Tenperature Settings Day Night Button The thenrostat stores four tenperature settings in its menory two for heating and two for cooling The two tenperatures for each mode are called the Day setting X a sun icon appears on the display 3 110 964B 7 12 01 9 14 AM Page 6 p and the Night setting a moon icon appears on the display The Dery setting is intended to be an occupied or confort setting and the Night setting is intended to be an unoccupied or energy savings setting For example the four settings stored in the nenory of the thenrostat night be as shown in Table 1 Pressing the DAY NIGHT button allows you to instantly change to a nore economical setting when leaving the house or going to bed and to a comfort setting when retuming horre or
10. waking up This therostat is equipped DAY NIGHT with accessory inputs which can be used to autorratically switch between day and night set points contact your installing cot FS contractor for nore details Table 1 Typical Set Point Values Fan Button The systemfan will operate autorratically during a heating or cooling cycle If it is desired to run the fan continuously press the FAN button and a E icon will appear on the display Qutcbor Button This button will be made functional when the optional Aprilaire Model 8041 Rerrote Outdoor Sensor has been installed It can then be used to find out the outdoor tenperature fromindoors If the Model 8041 Rerrote Outdoor Sensor has not been installed two dashes will appear on the display when this button is pushed 4 110 964B 7 12 01 9 14 AM Page 7 p Setting Up The Apnilaire Themostat To ensure accurate tenperature control observe the following sinple guidelines e When the thenrostat is operating close the cover to allow proper air circulation over the temperature sensor e Do not place anything which can give off warmor cool air such as candles or portable huridifiers near the thenrostat L Adjusting the Heat Ten perature Settings There are two settings the Day setting iC asun icon bB appears on the display and the Nightsetting d C ou D a partial moon icon appears on the display 4 Sengre2 HEHE HEHE a Press the MODE button repeatedl
11. y until HEAt appears on the display b Press the DAY NIGHT button until the DO icon O S DAY NIGHT Day setting appears on the display Use the pecrease 0 button and INCREASE N button to adjust the setting 5 Figure 2 Adjust Heat Settings p 110 964B 7 12 01 9 14 AM Page 8 F d Press the DAY NIGHT button until the ZA icon Nightsetting appears on the display e Use the pecrease O button and increase QS button to adjust the setting a N a 2 Adjusting the Cod Tenperature Settings There are two vey A A settings the Day setting AJ a sun icon appears on H ls H G rE Ji X X the display when this setting is being used and the Night setting N a partial moon icon appears on the display D q when this setting is being used See Figure 3 COOL COOL a Press the MODE button repeatedly until COOL appears on the display b Press the DAY NIGHT button until the C icon A A Day setting appears on the display E S J C c Use the pacrease QJ button and increase QS DAY NIGHT button to adjust the setting Figure 3 Adjust Cool Settings d Press the DAY NIGHT button until the CG icon Night setting appears on the display e Use the pacrease 0 button and increase button to adjust the setting 6 p 110 964B 7 12 01 9 14 AM Page 9 F Operating The Aprilaire Thenrostat L Selectthe mode of operation by repeat
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