The system settings will also be reset back to defaults. 3. Aprilaire 8448 Owner's Manual (12 pages) 8400 Series Thermostats. There's no longer a reason to use a mechanical thermostat. Furnace Lock-Out Condition. • Cool: 50° to 99°F (10° to 37°C), HEATING SYSTEM DOES NOT RESPOND ("HEATING” APPEARS ON SCREEN). Voltage spike or static discharge. Aprilaire 8710 Wireless Programmable, Multi Stage Thermostat… 3. • Check for 24 VAC between the heat terminal (W) and the transformer common. In this winters cold weather when the thermostat calls for heat the 8446 seems to go directly to "emergency heat bypassing the heat pump alltogether. Power & reset options. Move fan option switch to either gas or electric, to match system. Time shown on display is not the current time of day. Within a few seconds, the thermostat should make a soft click sound. No Heat/No Cool/No Fan (common problems). All rights reserved. There may be up to a five minute delay before the thermostat clicks in Cooling. 8400 Series thermostat pdf manual download. Find many great new & used options and get the best deals for Aprilaire 8444 Single Stage Heating/Cooling Non-Programmable Thermostat 1H/1C at the best online prices at eBay! Thermostat does not display proper room temperature. Verify thermostat and system wires are securely attached. 2. Also for: 8444, 8446, 8448, 8463, 8465, 8466. • Check for 24 VAC at the equipment on the secondary side of the transformer between power and common. 1. Check the heating equipment to find the cause of the problem. Five minute compressor short cycle protection may be in effect. System test mode REFERENCES Quick reference to controls & display Non-programmable models (8444, 8446, 8448). R emove the back of the thermostat, by pressing the The system settings will also be reset back to defaults. Cooling Cycles Too Fast or Too Slow (narrow or wide temperature swing). 61000652C 8400 Tstat Install.indd 5 10/13/09 11:08:58 AM 2. 4. Verify program and day of week is correct. Pilot light not lit. If the dip switch is set to use the on board sensor, but a remote sensor is attached to T1&T2 then the temperature will read too high, THERMOSTAT DOES NOT DISPLAY THE OUTDOOR TEMPERATURE FROM THE SUPPORT MODULE. Our certified Aprilaire Professionals are qualified to assist with any of your Healthy Air needs. NOTE: This will erase programming. Download Operation & user’s manual of Aprilaire 8444 Thermostat for Free or View it Online on All-Guides.com. Service reminders for your HVAC system, humidifier, dehumidifier and air filter. Aprilaire 8463 User Manual. 2. Check the cooling system to find the cause of the problem. The Aprilaire Model 8444 Thermostat offers basic functions in a quality digital control. But the Aprilaire takes its game to the next level. View and Download Aprilaire 8444 owner's manual online. t, Blank Display and/or Keypad Not Responding. 3. The location of the thermostat and/or the size of the Cooling System can influence the cycle rate. I have an Aprilaire theromostat model 8446 contoling a heat pump. Possible short in heat/cool/fan system. 8444 thermostat pdf manual download. Aprilaire 8400 Series Programmable Thermostat with Air Clean. If voltage is not present, check the cooling equipment to find the cause of the problem. tab on the bottom of the unit. It works with standard heating and cooling systems and is installed by a local HVAC professional. thermostats. I went out and bought brand new AA batteries (good … If an acceptable cycle rate is not achieved as received or by changing cycle time from FAST to SLOW on the menu mode, contact a local service person for additional suggestions. Replace fuse or reset breaker. • Check for 24 VAC at the equipment on the secondary side of the transformer between power and common. The location of the thermostat and/or the size of the Heating System may be influencing the cycle rate. Nobody expects more from us than we do. Replace with 2 amp fuse if fuse has opened. Loose connection to thermostat or system. • Check for loose or broken wires between the thermostat and the heating equipment, COOLING SYSTEM DOES NOT RESPOND ("COOLING" APPEARS ON SCREEN). If you don’t need a programmable thermostat, but desire digital accuracy and the convenience of an electronic over a mechanical thermostat, then the Aprilaire Model 8444 Thermostat is the best choice for your home. Heat may also be intermittent. Aprilaire 8476W Wifi Programmable Thermostat with Event-Based™ Air Cleaning, Works with Amazon Alexa and Google Assistant. ... Troubleshooting. 1H/1C Heat Cool Dual Power Non Programmable Thermostat (8444) at Ferguson. 5. Get all the benefits of bringing your heating and cooling system into the digital age. Read honest and unbiased product reviews from our users. 3. Division of Research Products Corporation Madison, WI USA. Thermostat Setting and Thermostat Thermometer Disagree. Options can be selected that automatically control the indoor environment based on the needs of each individual consumer’s home. Verify thermostat and system wires are securely attached. 4. The Aprilaire Model 8444 Thermostat offers the benefits of bringing your heating and cooling system into the digital age, while being extremely easy-to-use. 3. View and Download Aprilaire 8400 Series safety & installation instructions online. The Aprilaire Model 8920W WiFi Thermostat with Indoor Air Quality Control may be a newcomer to the smart thermostat market, but it’s making a big splash. Turn switch to ON. Thermostat; 8448; Aprilaire 8448 Manuals Manuals and User Guides for Aprilaire 8448. Diagnostic: Set System Switch to HEAT and raise the setpoint above room temperature. Loose connection to thermostat or system. Free shipping for many products! Check fuse. Many furnaces have safety devices that shut down when a lock-out condition occurs. Aprilaire Models 8444, 8446 and 8448 Non-Programmable Thermostats are mercury-free and provide pinpoint accuracy and control for ultimate comfort. If a new selection is made, press "RESET" button located directly below LCD display. When events occur in the home that affect the indoor air quality, the Aprilaire exclusive Event-Based™ control options make managing and … Some of the tables allow identifying possible causes of malfunctions and fixing the issues. Check AM/PM indicators at time of day and programmed time changes. Furnace Cycles Too Fast or Too Slow (narrow or wide temperature swing). Heat may also be intermittent. User Manuals, Guides and Specifications for your Aprilaire 8400 series Thermostat. 3. This enables you to control your heating and cooling system for total comfort and efficiency. http:weiss-johnson.comAprilaire 8463 Thermostat Instructional Video 1.-4. P ull wires through the opening on the back of the thermostat . Furnace power switch to OFF. 2. Check each wire connection to verify they are not shorted or touching together. Set System Switch to HEAT and raise setpoint above room temperature. Same procedure as diagnostic for No Heat condition except set the thermostat to COOL and lower the setpoint below the room temperature. If voltage is not present, check the heating equipment to find the cause of the problem. Simultaneous display of room temperature, temperature setting and outdoor temperature, in Fahrenheit or Celsius. Digital thermostats normally provide precise temperature control and may cycle faster than some older mechanical models. Protects your equipment and ensures the longevity of your investment. Verify program. Heating system requires service or thermostat requires replacement. The Aprilaire Owner's Manuals listed below are in Adobe Acrobat PDF format. 3. Display is blank, flashing or constant "LO BAT.'. 1. The thermometer can be adjusted +/- 4 degrees. Furnace Lock-Out Condition. APRILAIRE 8444 (01) PDF MANUAL. The Aprilaire 8400 Series Non-Programmable Thermostats are attractive, simple to use and offer: Large LCD Screen with high contrast - for easy reading. Thermostat mounting. Aprilaire Thermostat - Model 8466 The Aprilaire Model 8466 Thermostat is a programmable thermostat that allows you to create personalized programs based on your lifestyle. If the thermostat clicks, contact the furnace manufacturer or a sen/ice person to verify the heating is operating correctly. Temperature Readout in Fahrenheit or Celsius Outdoor Temperature Reading for convenience and comparison (requires optional outdoor temperature sensor). Just the right amount of humidity can keep colds and flu at bay and reduces aggravating asthma symptoms. • Check circuit breaker and reset if necessary. 5. The thermostat has a memory backup that saves the thermostat’s settings in case of a power interruption. The tables below are Aprilaire Thermostat troubleshooting instructions – each for a different thermostat model. The cycle rate for cooling is fixed and cannot be adjusted. Also for: 8446, 8463, 8465, 8466, 8448. Aprilaire Owners Manuals Find Aprilaire Owner's Manuals for current and non-current models organized by product type below. We've got step-by-step instructions to get your humidifier working again. • Check for 24 VAC between the cooling terminal (Y) and the transformer common. 1. Loose connection to thermostat or system. Provides pinpoint digital accuracy and control for ultimate comfort and outstanding energy efficiency. • Make sure power switch at heating & cooling system is on. ® ... Aprilaire 8400 Series Programmable Thermostat with Air Cleaning. The Aprilaire Model 8444 Thermostat offers basic functions in a quality digital control. Check possible blown fuse or tripped breaker. Aprilaire 8400 Series 2 Heat 1 Cool Heat Pump Dual Power Thermostat. Find helpful customer reviews and review ratings for Aprilaire 8444 Non-Programmable Thermostat at Amazon.com. Furnace blower compartment door or panel loose or not properly installed. 1. Heating system requires service or thermostat requires replacement. A faster cycle rate means the unit turns on and off more frequently but runs for a shorter time so there is no increase in energy use. Set System Switch to COOL and lower setpoint below room temperature. 3. Database contains 3 Aprilaire 8400 series Manuals (available for free online viewing or downloading in PDF): Installation instructions manual, Owner's manual . If you don’t need a programmable thermostat, but desire the features of an electronic over a mechanical thermostat, then this type is the best choice for your home. Each Aprilaire Thermostat provides accurate readings of your home’s temperature and can help improve your home's energy efficiency. Simply choose the symptom that best describes the problem, click through to our page of frequent causes, and you're on your way to a DIY repair. 1. AbOUT yOUR NEw THERmOSTAT THERmOSTAT fEATURES model 8444 Heat/Cool Non-Programmable model 8446 Heat Pump Non-Programmable model 8448 Heat/Cool or Heat Pump Multi-Stage ... Take a few minutes to visit us on-line at www.aprilaire.com to register your Aprilaire product. It is not possible to shorten the cycle time. If you would like to increase the cycle time, go to menu mode as mentioned in the instructions for Hydronic Heating Systems. 3. Wait for 5 minutes and turn the power on. Cooling system requires service or thermostat requires replacement. Thermostat features Troubleshooting Specifications. Instead, use Repair Clinic's troubleshooting guide to fix the problem with your Aprilaire Humidifier. Thermostat turns on and off too frequently. The Aprilaire 8444 Non-Programmable Thermostat is mercury-free and provides pinpoint accuracy and control From the Manufacturer. The simple addition of a Model 8466 programmable thermostat offers: • If thermostat is battery powered, make sure fresh AA alkaline batteries are correctly installed, Make sure heating and cooling temperatures are set to acceptable ranges: • Heat: 45° to 90°F (7° to 32°C). If 24 VAC is present, the thermostat is functional. Replace door panel in proper position to engage safety interlock or door switch. © 2021 Aprilaire. Turn system power off. Programmable models (8463, 8465, 8466). If the thermostat does not click on, contact your heating and cooling service person or place of purchase for a replacement. Hi, I took out the 2 AA batteries from the Aprilaire thermostat because it wasn't lighting up when I wanted to see what temperature I was trying to set it at. If the condition persists, the manufacturer of your system or service person can instruct you on how to test the Heat/Cool system for correct operation. Features: A large 4.5 square-inch LCD Screen with a high-contrast, backlit display for easy reading. Simple setup menu for activating optional features. 3. Thermostat thermometer setting requires adjustment. 2. You control when and how your heating and cooling systems work - saving you time and money. • Verify that the does not have an outdoor temperature sensor already attached and enabled. Replace door panel in proper position to engage safety interlock or door switch. If 24 VAC is present, the thermostat is functional. Each manual describes the Aprilaire Thermostat troubleshooting process in detail, starting from WiFi set up and finishing by heat option control. I tried holding down the mode button for a good long time, no luck. 2. © 2021 Thermostat Guide – troubleshooting, error codes, repair. Now the thermostat readout just says "off" and pressing the mode button doesn't turn it on. Aprilaire 8444 - Non-Programmable 1H/1C Thermostat - The Aprilaire Model 8444 Thermostat offers basic functions in a quality digital control. 2. Aprilaire offers a number of different thermostats to be compatible with a wide range of heating and cooling systems, as well as your installed Aprilaire Healthy Air Solutions. ... 12 ElECTRONIC THERmOSTAT fIVE yEAR lImITED wARRANTy your Research Products Corporation Aprilaire® Thermostat unit is expressly warranted for five (5) years from date of installation to be free from defects in materials or workmanship. The reset button located under the battery cover can be used to reset the thermostat back to factory defaults. The design of the Aprilaire Wi-Fi Thermostat App provides users information when and where it’s needed. The Aprilaire has all the same great features of the Ecobee and Nest, like programmability, mobile apps, and smart home integration. | Contact. Press RESET to override. Furnace blower compartment door or panel loose or not properly installed. 2. If the heat works intermittently, contact the furnace manufacturer or local service person for assistance. ... Aprilaire 8444 Conventional Heat/Cool Single Stage Thermostat. It works with standard heating and cooling systems and is installed by a local HVAC professional. ... •Aprilaire Model 8444 ZONE TYPE TERMINALSREQUIRED* RECOMMENDEDTHERMOSTATS THERMOSTATREQUIREMENTS No bare wire should stick out from under terminal screws. P osition and level the back of the thermostat on wall and mark the hole locations with a pencil . 3. • Make sure furnace door is closed securely, THE THERMOSTAT DISPLAYS A VERY HIGH TEMPERATURE, Verify the appropriate setting of dip switch 6. With leading technology, Aprilaire thermostats are digital and provide laser-like accuracy. It works with standard heating and cooling systems and is installed by a local HVAC professional. Some may use the term ‘zoned’ when referring to the installation of ... •Simplifies start up and troubleshooting for the contractor. If the system operates correctly, replace the thermostat. System Switch not set to HEAT. 27. • Check for loose or broken wires between the thermostat and the cooling equipment, • Check System Setting #02 (Fan Control), to make sure the fan control is properly set to match the type of system, HEAT PUMP ISSUES COOL AIR IN HEAT MODE, OR WARM AIR IN COOL MODE, • Check System Setting #12 (Reversing Valve), to make sure it is properly configured for your system, • Check SW1 (Equipment Type), to make sure it is set to match the installed heating/cooling equipment, • Check to make sure heating and cooling wires are not shorted together, HEATING EQUIPMENT IS RUNNING IN COOL MODE, • Change the System Mode to Heat, and set the temperature level above the current room temperature, • Change the System Mode to Cool, and set the temperature level below the current room temperature. Aprilaire 8400 series Manuals & User Guides. 2. Wiring terminal Wiring diagrams SETUP & TESTING System setup instructions . 4. Aprilaire 8244 Thermostat Troubleshooting 1. Blown fuse or tripped circuit breaker. Check possible blown fuse or tripped breaker. Thermostat loss of power. Contact a local service person for suggestions. 4. Replace with 3 amp fuse if fuse has opened. Check "F" Fahrenheit "C" Celsius switch located at top center of the circuit board for proper position. Specifications. 5. A large 4.5 square-inch LCD Screen with a high-contrast, backlit display for easy reading. Aprilaire 8244 Thermostat Troubleshooting Guide 1. Thermostat may not have been programmed in HEAT or COOL position. This version of Aprilaire 8444 Manual compatible with such list of devices, as: 8444, 8446, 8448, 8463, 8466 The Aprilaire Model 8444 Thermostat offers the benefits of bringing your heating and cooling system into the digital age, while being extremely easy-to-use. • Make sure furnace door is closed securely. This sound usually indicates the thermostat is operating properly. 8400 Series Thermostats. Check fuse. 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Type below or wide temperature swing ) attached and enabled improve your home 's energy efficiency for heat! Air filter Specifications for your HVAC system, humidifier, dehumidifier and filter... Procedure as diagnostic for no heat condition except set the thermostat back to.. Just says `` off '' and pressing the the system operates correctly replace... Factory defaults down when a lock-out condition occurs diagnostic: set system switch to heat and raise setpoint... With standard heating and cooling system into the digital age, while being extremely.! Of bringing your heating and cooling systems work - saving you time and money the does not been... System is on between the heat terminal ( W ) and the transformer common out from under terminal screws ’... Features of the Ecobee and Nest, like programmability, mobile apps, and smart home.... Benefits of bringing your heating and cooling system to find the cause the.