Aprilaire 8554 manual

O w n e r’ s M an u al MODEL 8554 5-2 Day Programmable Thermostat EL E CTR O NIC THERM O S T A T ® 110-792B 7/12/01 8:28 AM Page 1[...]

OWNER’S MANUAL – T ABLE OF CONTENTS E NERGY S TA R ® Program Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 Setting Or Changing The Clock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [...]

– 1 – E NERGY S TA R ® 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, the Aprilaire Electronic Thermostat[...]

– 2 – TIME SCHEDULE THERMOST A T DESIRED EVENT SYMBOL TEMPERA TURE Mon T ue Wed Thu Fri Sat Sun SETTING Morning Heat = 70˚ 6:00 6:00 6:00 6:00 6:00 6:00 6:00 Cool = 78˚ am am am am am am am Day Heat = 62˚ 8:00 8:00 8:00 8:00 8:00 8:00 8:00 Cool = 85˚ am am am am am am am Evening Heat = 70˚ 5:00 5:00 5:00 5:00 5:00 5:00 5:00 Cool = 78˚ pm [...]

– 3 – 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 fourth Sunday in October), pres[...]

– 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[...]

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. Y our Aprilaire Thermostat will allow a maximum of 4 time schedules per day . Each time schedule is known as an “ event. ” The Morning event is typic[...]

– 6 – T o activate the progressive recovery mode simultaneously press the PROGRAM and FA N buttons. A small thermostat icon, “ “, will appear under the clock. Once in this mode proceed with programming your thermostat remembering to use exact times for each event time change. NOTE: If not using Progressive Recovery , it will take some time [...]

– 7 – PROGRAM SCHEDULE TIME SCHEDULE THERMOST A T DESIRED MONDA Y – SA TURDA Y & EVENT SYMBOL TEMPERA TURE FRIDA Y SUNDA Y 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 revert back to the operational [...]

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 Fr ”; Morning event symbol “ ”; flashing “ 12: ” (or some other hour); and flashing “ AM ” or “ PM ” will appear on the display . Y ou are n[...]

– 9 – 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 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 Changing Th[...]

Setting Or Changing 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 programm[...]

– 12 – 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 cooli[...]

– 13 – 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 [...]

– 14 – For Best Performance The Aprilaire Model 8554 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 temperature sensor . 2. Do no[...]

– 15 – Aprilaire Model 8554 7 Day Programmable Thermostat 110-792B 7/12/01 8:28 AM Page 17[...]

TEMPERA TURE CONTROL • Reading the Actual Room T emperature: The Model 8554 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[...]

– 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 high or low (ie: 70˚F = 21˚C) you may ne[...]

– 18 – EQUIPMENT CONTROL • T urning 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. T o return the fan to the normal operating mode, press the FA N button again which will remove th[...]

display , which flickers when the heat pump is running. Y our 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 back-up heat source (other than the heat pump) will maintain temperatures acc[...]

– 20 – can still be programmed, the optional outdoor temperature sensor will work and the heat pump fan will turn on if the FAN button is pressed. T o avoid frozen water pipes, DO NOT use the OFF mode for long periods of time during sub-freezing temperatures. NOTE: After selecting a new mode, the thermostat initiates a delay of up to 4 minutes [...]

After accessing a balance point, it can be changed by pressing the DECREASE button or INCREASE button. This should only be done after consulting with a qualified contractor . Improperly set balance points can result in increased energy expenses and possible equipment damage. Using The A vailable Red LED Indicators This model is equipped with 3 LED [...]

– 22 – The DIP switches can however be changed to customize the thermostat’ s operation to your particular needs. This should only be done after consulting with your contractor . The Model 8554 DIP switches control the following functions: No. 1 – 4 min. / 2 min. Minimum Equipment On / Off T imes. This switch is factory preset at 2 minutes.[...]

– 23 – 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 pushing any buttons other than the buttons outlined above. No. 3 – Normal Heat Pump/Add-on Heat Pump. This switch is factory preset (to the OFF position) to operate in the normal heat pump mode. [...]

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[...]

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) . – 25 – 1[...]

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 the desired p[...]

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. CAUTION: TO PREVENT DAMAGE, A VOID CONT ACT WITH BLUE TEMPERA TURE SENSOR ON BOTTOM RIGHT -HAND CORNER OF THERMOST A T CIRCUIT BOARD. – 27 – 110-79[...]

– 28 – In Case Of Power Failure The Model 8554 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. During the period that the power is off[...]

– 29 – 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 [...]

B2202155 REV . 04/01 1 10-792B 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 comfortable. For the best in indoor air quality ,[...]