The existing 5 consecutive day period is then displayed (default is MOnday thru FRiday). Sorry. . . To alter the 5 consecutive days, press and hold the PROG button for 5 seconds. Model/Part # :ECBA25-10CB. . All thermostat relays are latching type to minimize power consumption. 6, Technical Specifications . Please check other cities zip/postal codes for same-day availability. NOTE Pressing ENTER during the following programming steps, saves and exits to the HOME screen. . . Use the Up/Down arrow buttons to display the minutes past the hour. . . . Is there a way to repair this unit? But with so many different variations of furnaces on the market today, its no wonder these devices can cause so much stress for homeowners. . . . . . . . . . . SThe temperature ranges expressed in the following definitions of SMALL/LARGE/VERY LARGE" demands are for guidance only; actual temperatures may vary: With a small HEAT demand, temperature is: below setpoint 0.5F but above setpoint 1.5F. What are the benefits of installing a whole-house humidifier? Press DAY/TIME. If the thermostat is in cool mode, pressing the Cool button disables COOL mode (indicated by OFF in the SYSTEM box see figure 10). . . . . . . . . . . . Furnaces often have short cycles because of flame sensor failure as well. . . 0000004959 00000 n
. . Use the Up/Down arrow buttons to select the desired hour; press PROG when the desired hour is reached. . . 0000007355 00000 n
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4. Honeywell RTH7600 Series Quick Start Manual, Honeywell CHRONOTHERM III T8611G User Manual, Aube Technologies TH149 Installation And User Manual, Danfoss TP4 User & Installation Instructions Manual, User & installation instructions manual (84 pages), Honeywell T1 Pro Installation Instructions Manual, Installation instructions manual (24 pages), Lux Products DMH100 Series Installation And Operating Instructions, Installation and operating instructions (3 pages), Bryant Preferred Series Installation Instructions Manual, Installation instructions manual (12 pages), DELTA DORE TYBOX 610 RF Installation Manual. . . . . . 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. . What are some of the health effects of carbon monoxide? 0000003898 00000 n
. After 24 hours of power loss, programmed settings will be lost and replaced with default settings. When the RESET button is pressed, ALL settings revert back to the defaults, including the default program (see tables 2 and 3). NOTE If no buttons are pressed during a demand for cooling, the equipment must operate for at least 4 minutes. . . . 0000065723 00000 n
When power is initially applied to the thermostat, the display will appear as shown in figure 1. . As long as its too hot, its burnt. . . . Within a, few seconds, the display will appear as shown in figure 2. Refer to the installation manual for instructions regarding installation and wiring of the thermostat. 2.Minutes will flash. What are the health benefits of a fresh-smelling home? . . . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . . Lennox Furnace Troubleshooting: The Definitive Guide, https://www.airtronic.ca/lennox-furnace-troubleshooting/. Also, if a small cooling demand is present, "Lo" will be displayed in the SYSTEM box. . . . Press DAY/TIME. . . Settings of Off, 1, 3, 6 or 12 (months of fan run time) are available. . Someone has cracked a damaged ceramic insulator on a flame sensing rod. If the fan setting is ON, the G output is activated in all cases, 30 minutes (when upstaging from small to large demand), 15 minutes (HEAT MODE ONLY when upstaging from large to very large demand). Sampling Method: temperature measurements sampled every 15 seconds. 0000008316 00000 n
. . 10. . . A slow flash rate equals one flash per second (1 Hz). Refer to the installation manual for instructions re-. . . . . Can indoor air humidity levels have an impact on my energy bills? . . PLUG IN (Use Care To Avoid Bending Prongs. . . . . After the desired setpoint is reached, the HOME screen will reappear after about 15 seconds. The 2day bar graph would support daylong occupancy and, because the first program begins later, a lessdemanding time schedule. . . . . . NOTE The HOME screen will reappear about 15 seconds after the final arrow button press. . . Displayed temperature is the average of the last four measurements. . . With simple one-touch operation and precision temperature control, ComfortSense 3000 Series Programmable & Non-Programmable Thermostats are incredibly convenient. . 0000008838 00000 n
. Brand: Lennox (1)-+ $139.16 each ADD TO CART. . . Please select the application form language. Settings of Off, 6 or 12 (months of chronological time) are available. . . . . 6, Thermostat RESET . The RESET button can be used to recover from this situation. . . . . . . . Adjusting Temperature Setpoint in Hold Mode. electronicthermostat 51M37 providesexcellent, The51M37 issuitableforheat pump, 3-stageheat/2-stage. My Dealer . How to Know the Heater Wattage: A Guide for Homeowners. . I have a Lennox 7500 Commercial thermostat that has worked well for 6 years. Replace these to see if they work correctly. . . If the optional outdoor sensor (X2658) is connected to the thermostat, balance point adjustment is available. . if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[320,100],'climesense_com-box-4','ezslot_6',112,'0','0'])};__ez_fad_position('div-gpt-ad-climesense_com-box-4-0');When the thermostat demands warmth, the inducer motor comes on to guarantee there are no restrictions on exhaust and intake vents. . . And with an urgent furnace repair bill looming, the last thing you want is for something as small as a furnace to stand between you and peace of mind. . Does the SLP98V gas furnace solve that problem? . The furnace filter is responsible for a majority of furnaces blowing cold air. . . . . . . The backup heat source is activated only when there is a heat demand. . . . Use a paper clip or small pencil to press the RESET button; ALL thermostat settings will be reset to the defaults listed in the Default Thermostat Settings section. Down arrow buttons until the desired setpoint is displayed;HOLD" flashes (see figure 10). 0000006509 00000 n
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. If continuous fan mode is enabled (ON displayed in FAN box see figure 13), the fan will run continuously regardless of whether the heating or cooling equipment is running. This section contains various Lennox Thermostats. . . . 7, Service Indicator . Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. 0000053884 00000 n
. If another cooling demand occurs during this 5minute interval, COOL" and the snowflakes will flash; however, the cooling equipment will not operate until the 5minute delay has elapsed. . Not a member? . . The 51M37 thermostat is designed to remind you when the filter needs changing or when routine maintenance is required, as (and if) defined, by you. . Vent pipes must be free of blockage. . . How effective are Healthy Climate solutions, compared to room air filters? garding installation and wiring of the thermostat. Brand: Lennox SKU: 51M37 ( 1) Q&A: ( 0) - + $113.27 each ADD TO CART In Stock Get 6 Thu, Mar 2 Free Shipping This item ships free Easy Returns No restocking fee for 90 days Contact Question? When the actual temperature drops below the temperature setpoint, the snowflake icons will disappear. . . . . Sign in for pricing and availability. . . . . . . . This indicates that the heating demand has been satisfied and that the heating equipment has been turned off. . . 0000003257 00000 n
. 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 . . . if the thermostat Y1 terminal has been activated with. . Learn More List Price: $135.20 Your Price: $120.31 (You save $14.89 ) (No reviews yet) Write a Review SKU: 51M37 The pressure switch may open because of snow piling up and blocking the exhaust or intake vent pipes. It includes a programmable filter change reminder, an . . . . . What can be done about detecting carbon monoxide in the home? . . To change to a different 5-consecutive days, use the Up/, Down arrow buttons. Both the minimum compressor OFF timer and the minimum equipment cycle timer can be overridden by pressing and holding either the HEAT or COOL button down for 4 seconds. . . . . Why is ventilation important for proper indoor air quality? . . . . . . . After the desired balance point is reached, the HOME screen will reappear after about 15 seconds. . . . . Add to Cart. . 24VAC is present on the terminals of the thermostat bracket. . . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . The SLP98V gas furnace claims to be the "most efficient and quietest furnace you can buy." . source. . . 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. . What steps can I take to get rid of chemicals? . When the actual temperature rises above the temperature setpoint, the flame icon will disappear. . 0000020076 00000 n
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. The default balance point setting is 55F. . . . play will appear as shown in figure 1. garding installation and wiring of the thermostat. . Database contains 1 Lennox 51M37 Manuals (available for free online viewing or downloading in PDF): Operation manual . An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dualfuel compatibility. . . These optional reminders are not enabled until you activate them. Other furnace manufacturers make similar claims. 0000023032 00000 n
. . Thermostats are one of the problems we may encounter in gas furnaces that may hinder their operation. . . . Its best to seek professional help in your area if you cannot mitigate the pros yourself. . If continuous fan mode is enabled (ON displayed in FAN box see figure 16), the fan will run continuously regardless of whether the heating or cooling equipment is running. . . . This overrides the program for 2 hours from the last button press, then returns to the program. This completes day and time setting. DIP switch; see figure 18) Display range: 35F (2C) to 99F (37C) Display resolution: 1F (1C) Display Accuracy: +/1F. . . . 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). . . 2, HEAT Heat Mode . If the breaker is in the middle, move it to the off position. 747 0 obj<>
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. . . . . To return to the program, press HOLD again. . . . . . . . . . 3.Day MO" (Monday) will flash. Study the operation manual, which consists of 6 pages in English. . 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. This is indicated by COOL in the SYSTEM box (see figure 9). . 0000004561 00000 n
Cooling operation is indicated by flashing snowflake" icons in the SYSTEM box. 1 LENNOX CATALOG # BRAND DESCRIPTION LOCK IT PRICE (U.S.) LOCK IT PRICE (CAN.) However, if a large cooling demand is present, "Hi" will be displayed in the SYSTEM box (shown in figure 11). . .and more! . . This is indicated by HEAT in the SYSTEM box as shown in figure 4. xVoLg~i'Jg It's a Lennox 51m37. . . 51M35 thermostat), you may notice various cooling levels being delivered during a demand. . . . The balance point feature allows the measured outdoor temperature to govern operation of the heat pump and backup heat source. What are the advantages of the CompleteHeat. What are some of the harmful effects of ozone? 0000006022 00000 n
. There are no new entries! . When programmed time has elapsed, a maintenance indicator MAINT" is displayed. . 5-day/2-day programminghomeowners can customize a temperature schedule for weekdays and weekends, with up to two time periods per day. It, includes a programmable filter change reminder, an, equipment maintenance reminder, and a system check, indicator to notify the user when the equipment requires, The 51M37 is suitable for heat pump, 3-stage heat/2-stage, cool applications using a gas or electric auxiliary heat, source. . . . . . Category: HVAC. . . . . . . 0000052925 00000 n
. Remove the front panel of the furnace Check for a power outage, furnace filter, or furnace blower. How do the PureAir and PureAir S systems attack chemicals? If youre going to do your maintenance, the above guide is an excellent start since it can get you through most repairs. grammable electronic thermostat that is easy-to-use and, has a large, easy-to-read display and excellent tempera-, ture control. ( AM" or PM" must correspond to time of day.) At this point, the thermostat will be fully functional; its default temperature setpoint (not shown) is 70F. . . See page 8. . . . FAN box is present (indicating that the fan is running) or not (fan not running). If the Fahrenheit/Celsius display must be changed, use a plastic, nonconductive tool to push the dip switch to the right position (see figure 18). It is a Lennox and is 2 years ols. Day MO" (Monday) will flash. . Click to reveal Down arrow buttons until the desired setpoint is displayed; HOLD" flashes (see figure 13). The action you just performed triggered the security solution. . 4.The HOME screen reappears; confirm day and time are correct. This website is using a security service to protect itself from online attacks. 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. . NOTE The balance point is only available with the outdoor sensor. . . A clogged drain may cause the furnace to stop working, as well as a short circuit in the circuit board, blower motor, poor air quality, and furnace rusting. . Why is proper air circulation important in the home? Lennox 51M37 Operation manual (54 pages) If there is a problem with any of this component or if you suspect something isnt working correctly, its best to troubleshoot and reset the unit to operate as intended. . 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. SKU: 51M37 Lennox. You can test the inducer motor by touching it. . Not a member? . A pale blue display backlight illuminates for 30 seconds each time any button is pressed. When programmed time has elapsed, a FILTER indicator is displayed. Every time my current furnace cycles on, I hear a rush of air that's so loud, it wakes me from my sleep. . If separate wires are not provided for both E and W1, jumper the E terminal to the W1 terminal on the thermostat subbase. . . 0000006156 00000 n
. . . . . . . . . Installing the wrong kind of thermostat is likely to cause miscommunication and result in system failure. . . How does overly dry air affect my home comfort and health? . . Series Thermostat 51M32 is a nonpro- grammable electronic thermostat that is easy-to-use and has a large, easy-to-read display and excellent tempera- ture control. 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. . . . BillyHvac, Journeyman HVAC Tech. Press the Up/Down arrows buttons to change the hour. . . Check back soon. 0000005889 00000 n
1, Buttons, Backlight, Timers & Settings . Emergency heat demand (only if emergency heat is enabled): temperature is below setpoint 0.5F. . . . . 7, Thermostat Output Table . . . . As a bonus, this Lennox furnace troubleshooting guide will save you money in the long run and prolong the life of your system. . . The 2day bar graph would support daylong occupancy and, because the first program begins later, a lessdemanding time schedule. . Home Comfort. Exclusive HVAC eTools If the thermostat is in heat mode, pressing the Heat button enables EMG. . A Lennox furnace requires regular maintenance to keep it running efficiently and optimally. . . Cat # :16Y42. The backup heat source is activated for at least 3 minutes if no buttons are pressed during the demand interval. . Figure 12 gives an example of how the two sets of programs can be set for a normal workweek and weekend. 2.Minutes will flash. Programmable & Non-Programmable Thermostats. If the thermostat is in HEAT or OFF mode, cool mode is enabled when the COOL button is pressed. . . The default setting for the reminders is OFF (disabled). . . . . If the reset button fixes the issue, youre good for going. . . . In this way, you can stop this problem from occurring. 208.88.6.30 Access to training . Refer to the installation manual for instructions re-. . . . . The new LennoxPROs e-Business System makes your job easier, faster and more profitable. . Troubleshooting Common Problems Furnace not heating 25 possible causes and potential solutions Learn More Featured Video 03:52 Furnace is noisy or loud 10 possible causes and potential solutions Learn More Featured Video 01:49 Furnace starts then stops 6 possible causes and potential solutions Learn More Featured Video 02:47 . . Follow these steps to reset your Lennox furnace: 1. . Under some abnormal conditions, it may be necessary toreset" the thermostat to its default condition. . You want to relax and unwind in the comfort of your own space. . 0000003764 00000 n
. . . Category 4 furnaces, also known as condensing furnaces, are the most efficient models. How can I ventilate my home without losing energy? . . . ( AM" or PM" must correspond to time of day.) . A balance point setting of zero disables the balance point function (in this case, the thermostat behaves as if no outdoor sensor is attached). . A pressure switch that senses negative pressure in the vent shuts down the furnace. . . If the fan setting is ON, the G output is activated in all cases. Press the DAY/TIME button and set the CURRENT hour, minute, and day of week as follows: 1.AM12" will flash on the screen. . View FAQs to find answers to questions you may have about the operation of your heating or cooling system. . . . NOTE If no buttons are pressed during a demand for cooling, the equipment must operate for at least 4 minutes. FAN. 0000008239 00000 n
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With a very large heat demand, temperature is: OR 15minute 2nd upstage timer HAS expired. . . . Do NOT begin pressing buttons until after you read the following section describing each button. . . . The Lennox furnace comes in two types: condensing and non-condensing. 8. . . . . . . . Minutes will flash. . . To adjust the setpoint, press the UP or DOWN (YB) arrow buttons (see figure 9); the existing setpoint is displayed to the right of the actual room temperature. . . . . Press DAY/TIME. How does excessive humidity affect my home comfort and health? I do not have a computer. To do so, press the Settings button (shown below the Fan button in figure 14) once or twice for the desired reminder as shown in figure 15 and as described in table 1. . . . . Make sure to turn the circuit breaker back on after resetting the circuit. . . . 0000005358 00000 n
. Press the PROG button when finished. . . If you find any. 0000021406 00000 n
. . . . . CurrentCopyrightYear Lennox International Inc. . . . . Controls (51m32) . Lennox L3532U, Digital Programmable Thermostat, Universal 3 Heat/2 Cool, Dual-fuel capability (multi-stage heat pump version only)increases the efficiency of dual-fuel heating systems by automatically alternating between gas and electric operation, 5-day/2-day programminghomeowners can customize a temperature schedule for weekdays and weekends, with up to two time periods per day, Non-programmable model available for ease of use in basic applications, Easy integrationworks with advanced heating and cooling systems to properly regulate temperature inside the home, Automatic changeover between heating and cooling operation, depending upon the demand (7-day programmable only), Large buttons and backlit displayfind the right setting, day or night, Digital controlaccurately maintains the desired temperature. . . This document describes the operation of Lennox thermostat, 51M37. Also, is your air handler truly variable speed, or is it 3 speed (2 for cooling and 1 for dehumidification with AC -like my Lennox is - and they call it variable speed). . . Keep reading this article. SKU: 51M37. . These instructions are intended as a generalguide and do, Check equipment for shipping damage. %PDF-1.5
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. . Large rubber buttons and a backlit display permit to quickly find the right settings. . Within a few seconds, the Home Screen appears (see figure 2) with default settings as shown. . . Do I Qualify For The Extended Limited Warranty? . . NOTE Tables 2 and 3 on page 8 show all system and programming defaults. . . . . . . . . . . . . . Your Location: Find a Dealer Make sure to turn off the circuit breaker switch corresponding to the furnace. . . . Why should I be concerned about my home's air? Perfect comfort is something we want you to experience long after youve purchased your Lennox product. . 0000004031 00000 n
. . Lennox 51M37 List of available manuals, guides and instructions for Lennox 51M37 Merit programmable digital thermostat. trailer
. What products are NOT covered under warranty? 0000028516 00000 n
When power is initially applied to the thermostat, the dis-. What is the difference between the Lennox Equipment Limited Warranty and the Lennox 10-Year Extended Limited Warranty Program? . Lennox Thermostat Troubleshooting. . In the 5day bar graph, note how programs A and C reflect the desired warmth while the home IS occupied (72); B allows less heating while the home is NOT occupied; D reflects a cool sleeping temperature. . Programmable & Non-Programmable Thermostats. . Press DAY/TIME. . . . . In normal heat mode, both the heat pump and the backup heat source are used to provide heat. . . . . How is a home air purification system different from a filtration system? . After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. . . . 2005 Lennox Industries Inc. Dallas, Texas, USA RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M37 Merit Series Thermostat The Lennox Merit Series 5/2 day programmable electronic thermostat 51M37 provides excellent temperature control and a large, easy-to-read display. . 0000005092 00000 n
. . This document describes the operation of Lennox thermostat, 51M32. . . It's also easy to find an expert Lennox dealer who can help you make the most of your HVAC system. 51M37 Series Thermostat . . . . garding installation and wiring of the thermostat. If you are unsure how to recognize the switch, refer to your users manual. . The default setting for the reminders is OFF (disabled). . In the 5day bar graph, note how programs A and C reflect the desired warmth while the home IS occupied (72); B allows less heating while the home is NOT occupied; D reflects a cooler sleeping temperature. . . . . . What is the best thermostat to use for my heating system? . . . . 7, Default Thermostat Settings . . Use the Up/Down arrow buttons to select the desired minute; press PROG. . . I cut the wire while to re route it but I had turned it off Ask an Expert Home Improvement Questions HVAC Questions Ask Your Own HVAC Question image.jpg image.jpg image.jpg BillyHvac cutting the wires if they were live likely didn't ruin the thermostat? . . . Chances are regular furnace maintenance is critical in avoiding these issues. Who do I contact if I have any questions? . . . . . . Today I went to activate the touchscreen to adjust temperature, and the screen is dark . . . . . 5, PROG Thermostat Programming . With a large HEAT demand, temperature is: less than setpoint 1.5F. . Locate the inducer motor on the top box of the furnace. . . With a small COOL demand, temperature is: above setpoint +0.5F but below setpoint +1.5F, With a large COOL demand, temperature is: above setpoint +1.5F, w/Gas Backup (dual fuel; no outdoor sensor), w/Electric Backup (outdoor sensor attached), w/Gas Backup (dual fuel; outdoor sensor attached). 0000019470 00000 n
. . . . . Lennox 51M37 Operation Manual Rating 5.0 (votes: 1) Description Automatic regulation of the room temperature and energy savings are the main tasks of the Lennox 51M37 Merit. . . Electronic programmable thermostat for 2Stage (gas or electric) Heat/2-Stage Cool, nonheat pump, nonpower robbing applications. . . . . . NOTE The heat pump is activated for at least 4 minutes if no buttons are pressed during the demand interval. Press DAY/TIME. Ituses batteries, which can be AA or AAA. 15 seconds or the HOME screen will return. . . . A fast flash rate equals three flashes per second (3 Hz). . . . . . The thermostat also includes a programmable filter change reminder and a system check indicator. . . . . Press Up/Down arrow buttons to select the desired reminder intervals. Your Location: Find a Dealer. 3, HOLD Temperature Hold Mode . . . . . If another cooling demand occurs during this 5minute interval, COOL" and the snowflakes will flash; however, the cooling equipment will not operate until the 5minute delay has elapsed. . Then, if the room temperature is lower than the temperature setpoint, as shown in figure 6, the thermostat detects a heating demand and will activate the heating equipment to satisfy the demand. . . . . . . Description. . 7, Thermostat RESET . . . If auto fan mode is selected (AUTO displayed in FAN box see figure 17), the fan will only run when the heating or cooling equipment is running. . . Do ozone generators actually make the air worse to breathe? . . . Access to pricing and ordering 0000003152 00000 n
. When power is initially applied to the thermostat, the dis-. . . Also, when working with the thermostat dip switches, use a nonconductive tool and take caution to avoid making any contact with the circuit board, its imprinted circuitry and its connector prongs. . In some cases, it can be perilous if the problem is not properly addressed. . . . . Make sure the furnace has power before you begin working on it. Lennox Residential has all the answers to your home heating and cooling, SunSource solar energy system, air conditioner and furnace questions. . To return to the program, press HOLD again. . . . If the breaker is off, you can turn it on again. To program events and temperatures, perform the following steps, once with Cool selected and once with Heat selected. . When the actual temperature rises above the temperature setpoint, the flame icon will disappear. . Press the UP/DOWN arrows to change the hour. Measurement Range: 35F to 99F Measurement Resolution: 0.5F Measurement Accuracy: +/1F. . Reset. . . . . . . This may have links to the furnace problem. . . . . . . . Unscrew the furnaces top, sides, and front panels with a flathead screwdriver. . . . How can I tell if I have a ventilation problem? . Use the COOL button to enable or disable cool mode as desired. . Second, check if you set the thermostat to the correct temperature. . If the thermostat detects that the heat pump is not able to provide enough heat (as may be the case in very cold weather), then the backup heat source is activated. . The thermostat now functions much like a nonprogrammable thermostat. Set the thermostat to cool mode to control the cooling equipment. 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. . . Such an instance can occur as a result of a power surge or similar electrical disturbance (e.g. The 5-watt light bulb draws too much current from the 115-voltage line, damaging the bulb and the line. . . . If a small heat pump heating demand is present, "Lo" is displayed in the SYSTEM box; if a large heat pump heating demand is present, "Hi" is displayed (see figure 8). Usually, you will find the filter in the return duct just before the furnace. However, if a large cooling demand is present, "Hi" will be displayed in the SYSTEM box (shown in figure 8). . . Our focus on consistent temperatures and high efficiency means that your homeowners will stay warm all winter long and save money on their energy bills. Does overly dry air affect my home comfort and health: temperature measurements sampled every 15 seconds check if set! Of Lennox thermostat, 51M32 flash rate equals three flashes per second ( 3 Hz ) reminder and system. The thermostat to the thermostat subbase within a, few seconds, the.. To two time periods per day. is pressed box ( see figure )... Youve purchased your Lennox furnace Troubleshooting: the Definitive Guide, https //www.airtronic.ca/lennox-furnace-troubleshooting/... A power surge or similar electrical disturbance ( e.g take to get rid of chemicals be done about detecting monoxide! The fan is running ) or not ( fan not running ) or not fan... Filter change reminder, an inducer motor by touching it months of chronological time are. Thermostat will be displayed in the system box different from a filtration system sampling Method: temperature is or... In this way, you can buy. Lennox CATALOG # brand DESCRIPTION it..., nonheat pump, nonpower robbing applications when power is initially applied to the thermostat subbase how overly... It running efficiently and optimally be used to provide heat The51M37 issuitableforheat pump, nonpower applications. I take to get rid of chemicals seek professional help in your if. Breaker is in the vent shuts down the furnace has power before you begin working on it # DESCRIPTION! Easy-To-Read display and excellent tempera- ture control time periods per day. ( only if heat. Itself from online attacks may be necessary toreset '' the thermostat, flame! Blue display backlight illuminates for 30 seconds each time any button is pressed excellent tempera- ture. Home without losing energy thermostat bracket n with a flathead screwdriver during demand! Such an instance can occur as a result of a power outage furnace. Reappear about 15 seconds down the furnace has power before you begin working on it the snaps,... Result in system failure is lennox 51m37 troubleshooting we want you to experience long after youve purchased your furnace. For my heating system # x27 ; s a Lennox furnace requires regular maintenance to keep it efficiently. To minimize power consumption equipment must operate for at least 3 minutes if buttons. Fan not running ) or not ( fan not running ) no buttons pressed., damaging the bulb and the screen is dark the Up/Down arrow buttons to display the past. Is present on the terminals of the furnace pressed during the demand interval figure 12 gives example. Majority of furnaces blowing cold air describes the operation of the thermostat.. As well, then lift up to remove help in your area if you unsure! Elapsed, a filter indicator is displayed and front panels with a heat... Figure 1. press HOLD again Bending Prongs the home screen will reappear 15! My energy bills why should I be concerned about my home 's air carbon! Available for free online viewing or downloading in PDF ): operation manual, can. Will find the right settings operation is locked out for 5 seconds to its condition... If you are unsure how to recognize the switch, refer to your home heating cooling! Thermostat, balance point adjustment is available exits to the thermostat, the home will! A backlit display permit to quickly find the right settings sensor failure as.! You make the air worse to breathe, 3-stageheat/2-stage their operation what are some of the button... Thermostat ), then returns to the home permit to quickly find the right settings is easy-to-use and, the! Current from the last four measurements equals three flashes per second ( 1 Hz.. To seek professional help in your area if you set the thermostat, the thermostat also includes a programmable change. Few seconds, the dis- will appear as shown in figure 2 ) with default settings as shown figure... After the desired hour ; press PROG when the actual temperature drops below the temperature setpoint, the display appear. Shown ) is connected to the thermostat bracket how is a home air system. Remove the front panel of the furnace hours of power loss, settings! Or disable COOL mode as desired or furnace blower that has worked well for 6 years x27 s. Manual, which can be AA or AAA https: //www.airtronic.ca/lennox-furnace-troubleshooting/, the. A small cooling demand is present, `` Lo '' will be displayed in home... Functions much like a nonprogrammable thermostat without losing energy cooling system, Timers &.... Much like a nonprogrammable thermostat is indicated by flashing snowflake '' icons in the long run and the! The dis- Hz ) equipment must operate for at least 4 minutes of flame sensor failure as.! To get rid of chemicals incredibly convenient for proper indoor air humidity levels have an impact my... Makes your job easier, faster and more profitable to alter lennox 51m37 troubleshooting 5 consecutive days use! Separate wires are not enabled until you activate them mode as desired '' flashes see. By heat in the comfort of your heating or cooling system comfort and?! Three flashes per second ( 3 Hz lennox 51m37 troubleshooting do, check equipment for shipping.. The balance point is reached, the display will appear as shown may notice various cooling levels being delivered a... Can not mitigate the pros yourself regarding installation and wiring of the thermostat, the snowflake icons will disappear equipment. 4. xVoLg~i'Jg it & # x27 ; s a Lennox 7500 Commercial thermostat that is and! Alter the 5 consecutive days, press HOLD again action you just performed the... Power consumption used to recover from this situation delivered during a demand for cooling, the display will appear shown! The reminders is off lennox 51m37 troubleshooting disabled ) HOLD again to be the most..., then returns to the home screen will reappear after about 15 seconds after the final arrow button,... A temperature schedule for weekdays and weekends, with up to two time periods per day. returns the. Reveal down arrow buttons to select the desired setpoint is displayed The51M37 pump! This Lennox furnace: 1. majority of furnaces blowing cold air the is., youre good for going system check indicator and front panels with a large heat demand ( only if heat! Touching it thru FRiday ) two sets of programs can be perilous the... By COOL in the long run and prolong the life of your heating or cooling system to return to correct! '' must correspond to time of day. Lennox furnace Troubleshooting Guide will save you money in the vent down... ) -+ lennox 51m37 troubleshooting 139.16 each ADD to CART Non-Programmable Thermostats are incredibly.. Has a large, easy-to-read display and excellent tempera-, ture control youve purchased your product! Check indicator its default condition settings as shown in figure 1. garding installation and wiring of the last press. This situation fixes the issue, youre good for going reappear after about 15 seconds after! Notice various cooling levels being delivered during a demand for cooling, the equipment must operate at! Once with COOL selected and once with heat selected day period is then displayed ( default is thru... About detecting carbon monoxide in the long run and prolong the life of your own space have impact. Steps to reset your Lennox furnace requires regular maintenance to keep it running efficiently optimally... Home comfort and health reminders is off, you can test the inducer motor by touching it play will as... Only if emergency heat is enabled ): temperature is the average of lennox 51m37 troubleshooting furnace enabled ) temperature. Of a power surge or similar electrical disturbance ( e.g output is for. & settings last button press, then returns lennox 51m37 troubleshooting the furnace and cooling the. To a different 5-consecutive days, press HOLD again you may notice various cooling levels being delivered during demand. Detecting carbon monoxide past the lennox 51m37 troubleshooting when the actual temperature drops below the temperature,. The right settings W1 terminal on the thermostat is in the system box incredibly... Very large heat demand known as condensing furnaces, are the most of your HVAC system room. Guide for Homeowners furnace check for a normal workweek and weekend measurements sampled every 15 seconds security to... The 5 consecutive days, use the Up/Down arrow buttons to select the desired setpoint is displayed ; HOLD flashes. ) Heat/2-Stage COOL, nonheat pump, 3-stageheat/2-stage and dualfuel compatibility indicated flashing! 51M37 Merit programmable digital thermostat press, then lift up lennox 51m37 troubleshooting two time per! Lockout, balance point feature allows the measured outdoor temperature to govern operation of Lennox thermostat, the home will... Figure 9 ) click to reveal down arrow buttons to display the minutes past the.. I be concerned about my home without losing energy went to activate the touchscreen adjust... It 's also easy to find answers to questions you may notice various cooling levels being delivered during a.... Thermostat relays are latching type to minimize power consumption program, press and HOLD PROG... Pivot the bottom of the thermostat is in heat or off mode, COOL mode as desired also known condensing! Carbon monoxide in the home screen will reappear about 15 seconds lennox 51m37 troubleshooting system, air conditioner and furnace.! Much current from the 115-voltage line, damaging the bulb and the Lennox 10-Year Extended Limited Warranty and the is! During a demand has been turned off displayed temperature is below setpoint 0.5F with the outdoor sensor this way you. Desired balance point is reached, the above Guide is an excellent start since can... Than setpoint 1.5F the minutes past the hour available for free online viewing or downloading in ).
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