. . . . If removing the thermostat from the wall, use caution and avoid touching any of the connector terminals on the wall bracket. Also when I snapped the new one in will everything just start up image.jpg Second, check if you set the thermostat to the correct temperature. . Compare the LED lights error codes to the flashing patterns listed on the furnace cover or user manual. At any time the program is running, from the HOME screen, set a permanent hold (program override) by pressing the HOLD button (see figure 9). 0000005092 00000 n ), Measurement Scale: Fahrenheit Measurement Range: 35F to 99F Measurement Resolution: 0.5F Measurement Accuracy: +/1F. . . . . If it is not, you may need to relight it. . . . . Use our selector tool to find the perfect heating and cooling products for your comfort needs. . 0000021406 00000 n . . If you find any. . . Programmable & Non-Programmable Thermostats. 1.AM12" will flash on the screen. 24VAC is present on the terminals of the thermostat bracket. . There are 2 near you. . . . . This is normal and will no longer occur after the electrical disturbance has passed. Electronic programmable thermostat for 2Stage (gas or electric) Heat/2-Stage Cool, nonheat pump, nonpower robbing applications. Reference: https://www.airtronic.ca/lennox-furnace-troubleshooting/. . This operation manual contains all the information you need to configure the programmable digital thermostat at the first start-up and further work. . . . After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. Each button press adjusts the setpoint up or down by 1 degree. 0000005623 00000 n . . This overrides the program for 2 hours from the last button press, then returns to the program. What steps can I take to get rid of chemicals? . 0000003152 00000 n . While in Temporary Hold, press HOLD once to switch to Permanent Hold (HOLD displays solid; PROG not displayed); press HOLD again to return to the program (PROG displays; HOLD not displayed). . . . . . . 3, COOL Cool Mode . . How can I improve ventilation inside my home? If desired, start making changes within 15 seconds or the HOME screen will return. Then, if the room temperature is higher than the temperature setpoint, as shown in figure 11, the thermostat detects a cooling demand and will activate the cooling equipment to satisfy the demand. . . Is there really a difference between air conditioner and heat pump sound levels? . This completes day and time setting. . . 3.Day MO" (Monday) will flash. . . This document describes the operation of Lennox thermostat. . . Cooper Green Team - Lennox Wifi Thermostat - Troubleshooting & Help Cooper Heating & Cooling 47 subscribers Subscribe 9.8K views 4 years ago Cameron from the Cooper Green Team is going to show. 0000007355 00000 n 747 61 . . . 5.Repeat steps 2 through 4 for periods B, C, and D. 6.Repeat steps 1 through 5 for the 2day program. Merit series 5/2 day programmable thermostat, temperature control and a large, easy-to-read display. Register in 3 easy steps, today! . . . . How is a home air purification system different from a filtration system? . . The balance point setting increases by 1F each time the Up button is pressed and decreases by 1F each time the Down button is pressed. 51M37 - Programmable Thermostat Lennox ComfortSense 3000 Touchscreen MERIT Thermostat 5/2 Programmable ComfortSense 3000 Series Programmable & Non-Programmable Thermostats Accurate temperature contr. . . . . . . 0000017557 00000 n Press DAY/TIME OR, if adjusting for daylight savings time, pressing ENTER stores the single change and exits to the HOME screen, bypassing minutes and day of week. . However, if SSR is enabled, the thermostat will react to a program event before the event occurs such that the desired temperature is reached at the time of the event, not after. . . . . . . A filthy filter blocks airflow, causes furnaces to overheat and turns off too quickly before the house is adequately heated. When power is initially applied to the thermostat, the dis-. Power must be applied for at least six consecutive hours prior to a power loss in order for memory to be retained for the specified time. . 5, SETTINGS Filter /Maintenance Reminder . Press DAY/TIME. 0000000016 00000 n . . . . . . Usually, you will find the filter in the return duct just before the furnace. . I do not have a computer. The default setting for the reminders is OFF (disabled). . . . Start making changes within. . Then, turn the furnace switch back on. This website is using a security service to protect itself from online attacks. [pool10] 29 items. . In some cases, it can be perilous if the problem is not properly addressed. reset" the thermostat to its default condition. . To change from continuous to auto fan mode (or vice versa), press the FAN button. . NOTE The HOME screen will reappear about 15 seconds after the final arrow button press. . Set the thermostat to heat mode to control the heating equipment. . . NOTE The balance point feature allows the outdoor temperature to rise or fall 3F above or below the balance point. . . . Check back soon. . 1 LENNOX CATALOG # BRAND DESCRIPTION LOCK IT PRICE (U.S.) LOCK IT PRICE (CAN.) . At this point, the thermostat will be fully functional; its default temperature setpoint (not shown) is 70F. . . . . . . . . . . . . Enter your email address and check your inbox. Under some abnormal conditions, it may be necessary toreset" the thermostat to its default condition. . Turn off the power switch to the furnace The furnace's control panel will have a power switch on its side, which looks like a wall light switch. . Lennox Residential has all the answers to your home heating and cooling, SunSource solar energy system, air conditioner and furnace questions. . . . . Both have benefits and drawbacks, but the non-condensing model is more commonly used in homes because its less expensive and smaller than the condensing model. . . . . . . . 51M32 Lennox 1 Heat/1 Cool ComfortSense Non-Programmable Thermostat $31.30 $36.00 51M33 Lennox 2 Heat/1 Cool ComfortSense Non-Programmable Thermostat $42.70 $46.50 10F81 Lennox iComfort Wi-Fi Thermostat $275.00 $325.00 10T50 Lennox 103861-02 Equipment Interface Module $97.50 $112.00 . . . Default thermostat settings are in table 2 and the default program is shown in table 3. . . . . . Lennox 51M37 List of available manuals, guides and instructions for Lennox 51M37 Merit programmable digital thermostat. . . Category: HVAC. . After the desired setpoint is reached, the HOME screen will reappear after about 15 seconds. 0000004959 00000 n 0000001516 00000 n Please call or email us with your request. . . Under some abnormal conditions, it may be necessary to. . . With simple one-touch operation and precision temperature control, ComfortSense 3000 Series Programmable & Non-Programmable Thermostats are incredibly convenient. . . . What is the difference between the Lennox Equipment Limited Warranty and the Lennox 10-Year Extended Limited Warranty Program? Engineering Data Lennox 51M37 Engineering Data Language: English Pages: 2 Operation Manual Lennox 51M37 Operation Manual Language: English Pages: 10 Similar Models Lennox 49M55 Lennox 49M56 Lennox 49M57 Lennox 51M32 Lennox 51M33 . . . . Use the UP/DOWN arrow button to display the minutes past the hour. BBP: outdoor temperature is below balance point, ABP: outdoor temperature is above balance point, In all cases, the state of the B terminal is opposite that of the O terminal, Data are tabulated for AUTO fan setting. . . . . . What are some of the health effects of carbon monoxide? damage, immediately contact the last carrier. . . Without it, the furnace would not know whether a flame was present. To adjust the setpoint, press the UP or DOWN (YB) arrow buttons (see figure 12); the existing setpoint is displayed to the right of the actual room temperature. Access to pricing and ordering . What are the benefits of installing a whole-house humidifier? . . 0000016677 00000 n . . It includes a programmable filter change reminder, an equipment maintenance reminder, and a system check indicator to notify the user when the equipment requires service. . . Vent pipes must be free of blockage. . . . . . This will further ensure continuous and correct operation of the Lennox 51M32 Merit. . . . Default thermostat settings are shown in table 2 and the default program is shown in table 3. . . Smart Setback Recovery (SSR) affects the way the thermostat responds to program events. . . . Troubleshooting common issues you might encounter with your thermostat: Wi-Fi connection problem. . . . . . Do NOT begin pressing buttons until after you read the following section describing each button. HEAT mode (see figure 5). . Make sure to turn off the circuit breaker switch corresponding to the furnace. What products are NOT covered under warranty? This may have links to the furnace problem. . If the breaker is in the middle, move it to the off position. Within a few seconds, the Home Screen appears (see figure 2) with default settings as shown. garding installation and wiring of the thermostat. If the thermostats are not working correctly, the furnace may not be able to maintain the correct temperature. If the thermostat is in heat mode, pressing the Heat button enables EMG. . . The SERVICE indicator is displayed only under the following conditions: Sif the thermostat Y1 terminal has been activated with. . . . . . 0000005490 00000 n . If auto fan mode is selected (AUTO displayed in FAN box see figure 14), the fan will only run when the heating or cooling equipment is running. . Follow these steps to reset your Lennox furnace: 1. . How can I ventilate my home without losing energy? . Who do I contact if I have any questions? It will reset the breaker. NOTE This thermostat will NOT automatically switch from heating to cooling, or vice versa; operator involvement is required. For example, if the furnace is not getting enough electricity, it may not be able to operate correctly. . Programmable & Non-Programmable Thermostats. . . My Dealer . The screen will blink for a few moments to indicate that the timer has been reset. . . . . 51M37, 05/05, 505,050M. . . . . 5, PROG Thermostat Programming . . . . . The AC system is a high end Lennox with a programmable Lennox thermostat. If your system supports 2stage heating (as does the 51M35 thermostat), you may notice various heating levels being delivered during a demand. . Enter in your new list name below, and we will save your item to it! . Settings of Off, 1, 3, 6 or 12 (months of fan run time) are available. . . 1, Buttons, Backlight, Timers & Settings . . . . 0000025642 00000 n Make sure the furnace has power before you begin working on it. After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. Such a RE-. . . . . . . . . . . . . . What is the best thermostat to use for my heating system? . . Wiring Loose connections, disconnections, and faulty or aging wiring can cause a thermostat to lose its connection to their heating and cooling systems causing an interruption in service. . . . Heating operation is indicated by a flame icon in the SYS-. . Emergency heat demand (only if emergency heat is enabled): temperature is below setpoint 0.5F. . . . Is there a way to repair this unit? . AND 30-minute upstage timer HAS NOT expired. After the filter has been changed or maintenance performed, reset the reminder by pressing the SETTINGS button for 4 seconds. . . If you are unsure how to recognize the switch, refer to your users manual. . . . . . 747 0 obj<> endobj . 0000006022 00000 n . SET would delete all programming and settings and therefore should only be used on rare occasions when the the thermostat fails to function as designd and/or as programmed. 0000004296 00000 n . . . . . BillyHvac, Journeyman HVAC Tech. 4. Why should I choose a whole-home dehumidifier for my home? Exclusive HVAC eTools 0000023715 00000 n . . The 5-watt light bulb draws too much current from the 115-voltage line, damaging the bulb and the line. You can email the site owner to let them know you were blocked. NOTE 2 stages of heat pump heat and one stage of auxiliary (gas or electric) backup heat are supported. . . . . An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dualfuel compatibility. . 1, COOL Cool Mode . . . 1, Initial Thermostat Power-up . . . . If separate wires are not provided for both E and W1, jumper the E terminal to the W1 terminal on the thermostat subbase. . . Whose claim do I believe? Easy integrationworks with advanced heating and cooling systems to properly regulate temperature inside the home. . Setting range: 50F (10C) to 90F (32C) Setting resolution: 1F (1C), Smart Setback Recovery (via DIP switch #6). . . If the thermostat is in HEAT or OFF mode, cool mode is enabled when the COOL button is pressed. . . 0000003257 00000 n . . . . Set the thermostat to cool mode to control the cooling equipment. . . . . . Display range: 35F (2C) to 99F (37C) Display resolution: 1F (1C). . . In emergency heat mode, only the backup heat source provides heat the heat pump is disabled. . When your furnace blinks red repeatedly, you know something is wrong. . . . . . To return to the program, press HOLD again. When the actual temperature drops below the temperature setpoint, the snowflake icons will disappear. With a large HEAT demand, temperature is: less than setpoint 1.5F. Set the thermostat to cool mode to control the cooling equipment. . . The furnace filter is responsible for a majority of furnaces blowing cold air. . . If youre going to do your maintenance, the above guide is an excellent start since it can get you through most repairs. But with so many different variations of furnaces on the market today, its no wonder these devices can cause so much stress for homeowners. . The following notes described terms used in the table. . 7, Service Indicator . . If the thermostat is in emergency heat mode when the HEAT button is pressed, then heat modes are disabled. 6, SETTINGS Filter and Maintenance Reminders . While in Temporary Hold, press HOLD once to switch to. Minimum furnace cycle time (elapsed time between any furnace activation and the next furnace activation): 6 minutes. . . . . . . . . If your system supports 3stage heating (as does the 51M37 thermostat), you may notice various heating levels being delivered during a demand. . . . . . . . . . . . Lennox 51M37 Operation manual (54 pages) Consult authorities, Check equipment for shipping damage. . Controls (51m32) . CMav@* The minimum flame sense current is 0.5 microAmps. Make sure there are no obstructions in front of the exhaust and intake vent pipes on high-efficiency furnaces. When power is initially applied to the thermostat, the dis-. . 51M35 Series Thermostat . . . . . 5, Service Indicator . . Vacuuming the drain with a shop vacuum will remove any blockages. The thermostat must be in the HEAT mode to control the heating equipment. Thermostat memory is retained for a minimum of 24 hours during a power loss (includes retention of program information, HOLD status, programmed temperature setpoint, heat/cool and fan mode settings, filter reminder status, maintenance reminder status, and equipment protection timers). . 0000004165 00000 n In this case, you may need to check the circuit breaker or the fuse box. . . . . . . . Sorry. At Lennox, we love our owners and seek to support them in every way possible. garding installation and wiring of the thermostat. . . Displayed temperature is the average of the last four measurements. . . . Then, if the room temperature is higher than the temperature setpoint, as shown in figure 8, the thermostat detects a cooling demand and will activate the cooling equipment to satisfy the demand. . . Cat # :16H26. The air conditioning was working sporadically earlier but now is not coming on at all. . 3, HOLD Temperature Hold Mode . When power is initially applied to the thermostat, the display will appear as shown in figure 1. . . . Refer to the installation manual for instructions re-. . Lennox furnaces are the most reliable and efficient on the market. Luckily, if your furnace is malfunctioning or giving you hiccups from time to time, some essential tricks can help you troubleshoot it with relative ease. . . . . . communicating thermostat (64 pages), Color touchscreen programmable commercial thermostat (24 pages), 3 heat / 2 cool programmable touch screen thermostat (20 pages), Touch screen programmable communicating (44 pages), Manual will be automatically added to "My Manuals", Auto Cool Setpoint Filter Service Cool Maintenance off Outroom, Thermostat Lennox MERIT 51M32 Operation Manual, Thermostat Lennox 51M34 5/2 Operation Manual, Thermostat Lennox ComfortSense 5000 Series Brochure, Thermostat Lennox ComfortSense 5500 User Manual, Thermostat Lennox ComfortSense 5500 Installation And Setup Manual, Thermostat Lennox X4146 Installation Instructions Manual, Thermostat Lennox ComfortSense 8500 Installation And Setup Manual, Thermostat Lennox iComfort M30 Installation And Setup Manual, Thermostat Lennox Commercial Touchscreen Thermostat Owner's Manual, Thermostat Lennox iComfort S30 Installation And Setup Manual, Thermostat Lennox ComfortSense 7500 User Manual, Thermostat Lennox X4147 Installation Instructions Manual, Thermostat Lennox iComfort E30 User Manual, Thermostat Lennox icomfort Wi-Fi Setup Manual, Thermostat Lennox icomfort Touch Setup Manual, Page 12: Buttons, Backlight, Timers & Settings, Page 20: Buttons, Backlight, Timers & Settings, Page 28: Buttons, Backlight, Timers & Settings, Page 30: Auto Using The Autochangeover Mode, Page 37: Play Will Appear As Shown In Figure, Page 38: Buttons, Backlight, Timers & Settings, Page 40: Auto Using The Autochangeover Mode, Page 48: Buttons, Backlight, Timers & Settings, Page 49: Auto Using The Autochangeover Mode. 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