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