. Use the FAN button to select either continuous fan mode or auto fan mode. Non-programmable model available for ease of use in basic applications. 51M37 Manuals . . . . . 51M37 Merit Series. . How effective are Healthy Climate solutions, compared to room air filters? 0000004296 00000 n service. What are the health risks of household chemicals? Use the UP/DOWN arrow button to display the minutes past the hour. 0000020076 00000 n . . If separate wires are not provided for both E and W1, jumper the E terminal to the W1 terminal on the thermostat subbase. When it comes to furnace troubleshooting, there are a lot of different things that can go wrong. . . . %%EOF . . . . . . . List. . . When programmed time has elapsed, a maintenance indicator MAINT" is displayed. . How do I know which indoor air quality product is right for me? If the thermostat is in HEAT or OFF mode, cool mode is enabled when the COOL button is pressed. 0000006022 00000 n . This document describes the operation of Lennox thermostat, 51M32. . . 0000023968 00000 n 208.88.6.30 It includes a programmable filter change reminder, an . 15 seconds or the HOME screen will return. 0000004694 00000 n . . Such an instance can occur as a result of a power surge or similar electrical disturbance (e.g. At the change of seasons, or to accomodate abnormal seasonal temperature swings, you must manually select to the opposite conditioning (Heat or Cool) program. . The minimum flame sense current is 0.5 microAmps. . . . . . . Use the Up/Down arrow buttons to display the minutes past the hour. . . . Locate the inducer motor on the top box of the furnace. These optional reminders are not enabled until you activate them. This will allow you to understand the capabilities of the device. The default balance point setting is 55F. . . . . What is the difference between the Lennox Equipment Limited Warranty and the Lennox 10-Year Extended Limited Warranty Program? . . . If the thermostat is in heat mode, pressing the Heat button enables EMG. . The Truth About 2 Zone HVAC Systems: Which Is Right For You? How do the PureAir and PureAir S air purification systems work? Both the consecutive days and the events/temperature are set by the homeowner. There are 2 near you. . . 0000017557 00000 n The remaining 2 days can then be set for a different set of 4 unique events per day. . . . SKU: 51M37 Lennox. . Can indoor air humidity affect asthma and other respiratory ailments? . Such an instance can occur as a result of a power surge or similar electrical disturbance (e.g. . . . . . 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. . Display Scale: Fahrenheit or Celsius user selectable (via. The 51M37 is suitable for heat pump, 3-stage heat/2-stage. If you find any. . This is normally controlled by applying 120V AC power to it from the air handler. Press the UP/DOWN arrows to change the hour. Make sure the furnace has power before you begin working on it. . This is normal and will no longer occur after the electrical disturbance has passed. . . . Why is carbon monoxide (CO) in the home dangerous? Minimum elapsed time between any compressor activation and the next compressor activation: 6 minutes. . Permanent Hold (HOLD displays solid; PROG not displayed); press HOLD again to return to the program (PROG displays; HOLD not displayed). . Can Equipment Be Registered After 60 Days from Either the Installation Date or Closing Date In The Case Of A Newly Constructed Home? . . . . Lennox 51M32 Operation Manual Rating 5.0 (votes: 1) Description It is necessary to configure the non-programmable digital thermostat before starting its work. 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. . . . . . Which air filtration products make ozone? . . . . . . . Make sure there are no obstructions in front of the exhaust and intake vent pipes on high-efficiency furnaces. . Programmable & Non-Programmable Thermostats. For applications involving the use of a balance point (whereby the outdoor temperature is to be used to restrict either heat pump operation or backup heat source operation), the optional outdoor sensor (part number X2658) MUST be installed. Use Up/Down arrow buttons to display the current day. . . . . . . . This is indicated by HEAT in the SYSTEM box as shown in figure 4. For example, if the furnace is not getting enough electricity, it may not be able to operate correctly. 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. . . . . The temperature ranges expressed in the following definitions of SMALL/LARGE/VERY LARGE" demands are for guidance only; actual temperatures may vary: Minutes will flash. . If your system supports 3stage heating (as does the 51M37 thermostat), you may notice various heating levels being delivered during a demand. Figure 15 gives an example of how the two sets of programs can be set for a normal workweek and weekend. . . What can be done about detecting carbon monoxide in the home? . 0000005092 00000 n . Please call or email us with your request. Troubleshooting. . . . . . . . . This is indicated by COOL in the SYSTEM box (see figure 9). . User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. Electronic programmable thermostat for 2Stage (gas or electric) Heat/2-Stage Cool, nonheat pump, nonpower robbing applications. . . . What is involved in humidifier installation and maintenance? . . . Make sure to turn off the circuit breaker switch corresponding to the furnace. . . . . . . 7, Thermostat RESET . A slow flash rate equals one flash per second (1 Hz). At any time the program is running, from the HOME screen, set a permanent hold (program override) by pressing the HOLD button (see figure 12). When PROG or DAY/TIME is pressed, a field begins flashing, expecting another input. This document describes the operation of Lennox thermostat, 51M37. Press the Up/Down arrows buttons to change the hour. . 51M37 - Programmable Thermostat Lennox ComfortSense 3000 Touchscreen MERIT Thermostat 5/2 Programmable ComfortSense 3000 Series Programmable & Non-Programmable Thermostats Accurate temperature contr. Use UP or DOWN arrow buttons to display the current day. . 6, Technical Specifications . 5, FAN Controlling Fan Operation . 0000006156 00000 n Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . . To do so, press the Settings button (shown below the Fan button in figure 17) once or twice for the desired reminder as shown in figure 18 and as described in table 1. 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). . Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. 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. . Check back soon. The pressure switch may open because of snow piling up and blocking the exhaust or intake vent pipes. . .and more! . Such a RESET 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. . . Press DAY/TIME. . . . . . . . . . . . . . . . If the optional outdoor sensor (X2658) is connected to the thermostat, balance point adjustment is available. Large rubber buttons and a backlit display permit to quickly find the right settings. The backup heat source is activated only when there is a heat demand. . . All display segments are momentarily activated. . . damage, immediately contact the last carrier. Press the PROG button when finished. 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. . . . 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. . 0000057326 00000 n If the thermostats are not working correctly, the furnace may not be able to maintain the correct temperature. . . 51M37, 05/05, 505,050M. . . . . . . It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system. . Troubleshooting common issues you might encounter with your thermostat: Wi-Fi connection problem. Settings of Off, 6 or 12 (months of chronological time) are available. When abnormal equipment operation is detected, the SERVICE indicator will flash on the screen (see figure 21). . . Upload manuals that we do not have and get. . . Set the thermostat to heat mode to control the heating equipment. . 0000020247 00000 n if the thermostat Y1 terminal has been activated with. 1.Press and release PROG. garding installation and wiring of the thermostat. 3.Use the Up/Down arrow buttons to select the desired minute; press PROG. . . See page 8. reset" the thermostat to its default condition. CurrentCopyrightYear Lennox International Inc. . . . NOTE The balance point is only available with the outdoor sensor. . The thermostat also includes a programmable, filter change reminder and a system check indicator. . . Learn More List Price: $135.20 Your Price: $120.31 (You save $14.89 ) (No reviews yet) Write a Review SKU: 51M37 View FAQs to find answers to questions you may have about the operation of your heating or cooling system. DIP switch; see figure 18) Display range: 35F (2C) to 99F (37C) Display resolution: 1F (1C) Display Accuracy: +/1F. . . . . . Cloudflare Ray ID: 7b9d43d12969cab8 Use our selector tool to find the perfect heating and cooling products for your comfort needs. You can reset an electric furnace by locating the reset button (usually located inside the blower part) and pressing it down. . . . . 7, Thermostat Output Table . . Press Up/Down arrow buttons to select the desired reminder intervals. . . . What are some of the health effects of carbon monoxide? . 0000015746 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. . . 3, COOL Cool Mode . Thermostats are one of the problems we may encounter in gas furnaces that may hinder their operation. . The following notes described terms used in the table. . . Sorry. . . . . . . . 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. Each button press adjusts the setpoint up or down by 1 degree. . When the RESET button is pressed, ALL settings revert back to the defaults, including the default program (see tables 2 and 3). . . . The action you just performed triggered the security solution. . This overrides the program for 2 hours from the last button press, then returns to the program. . . . Exclusive HVAC eTools This indicates that the heating demand has been satisfied and that the heating equipment has been turned off. . . NOTE All protection timers (except the compressor OFF timer) can be overridden if a heating or cooling demand is initiated or terminated using the UP, DOWN, HEAT, or, Thermal-mechanical switch opens W1 and W2 at. 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. . . . . . . . 1 LENNOX CATALOG # BRAND DESCRIPTION LOCK IT PRICE (U.S.) LOCK IT PRICE (CAN.) . NOTE This thermostat will NOT automatically switch from heating to cooling, or vice versa; operator involvement is required. . Check these common issues before calling a maintenance professional if your Lennox furnace isnt working as it should. . . [pool10] 29 items. All thermostat relays are latching type to minimize power consumption. . 5/2 Day Programmable Thermostat : 2005 : Instruction Manual. . . . . Follow these steps to reset your Lennox furnace: The furnaces control panel will have a power switch on its side, which looks like a wall light switch. . 1, General . Thu, Apr 27 . . If the Fahrenheit/Celsius display must be changed, use a. plastic, nonconductive tool to push the dip switch to the. . . . Conversely, if the balance point is 40F and the actual outdoor temperature is 45F, the outdoor temperature must drop to 37F before equipment adjustment occurs. 0000008159 00000 n 0000019470 00000 n How can I improve ventilation inside my home? . (figure shows temperature in Fahrenheit units). . . . . However, if a large cooling demand is present, "Hi" will be displayed in the SYSTEM box (shown in figure 8). Why should I choose a whole-home dehumidifier for my home? . . . . . . . . . . . Document(s) Updated: 2005. . . At this point, if the equipment has been fully powered and if a heat demand were present, the system would begin operating. if the thermostat Y1 terminal has been activated with 24VAC for at least 5 minutes, AND the L terminal is shorted to the C terminal. . . . If another heat pump demand occurs during this 5minute interval, the flame icon will flash; however, the heat pump will not run until the 5minute delay has elapsed. . . 0000019000 00000 n . . When power is initially applied to the thermostat, the dis-. . Access to pricing and ordering 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. . After the filter has been changed or maintenance performed, reset the reminder by pressing the SETTINGS button for 4 seconds. . . . . Your Location: Find a Dealer. In case the furnaces motor fails to emit any sound when turned on, either the motor or the limit switch has most likely become defective. . 0000029601 00000 n Enter in your new list name below, and we will save your item to it! It is a Lennox and is 2 years ols. The thermostat must be in either normal or emergency heat mode in order to properly control the heating equipment. 0000005756 00000 n . . It can be a lot of problem because the furnace may not be able to heat the home properly. 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. . . How can I ventilate my home without losing energy? . Make sure to turn off the circuit breaker switch corresponding to the furnace. . . . . . . If the thermostat is in cool mode, pressing the Cool button disables COOL mode (indicated by OFF in the SYSTEM box see figure 10). . If your system supports 2stage heating (as does the 51M35 thermostat), you may notice various heating levels being delivered during a demand. . . . . . The screen will blink for a few moments to indicate that the timer has been reset. Sign in with the same credentials. . . Press Up/Down arrow buttons to select the desired reminder intervals. How do the PureAir and PureAir S systems attack chemicals? Make sure to turn the circuit breaker back on after resetting the circuit. A balance point setting of zero disables the balance point function (in this case, the thermostat behaves as if no outdoor sensor is attached). . . . . When power is initially applied to the thermostat, the display will appear as shown in figure 1. . . The 51M37 thermostat can be programmed to perform a set of either heating or cooling events (but not a combination of heat and cool) for 5 consecutive days using a set of 4 unique events per day. . . . . . . . . . . . If it doesnt, youll need to troubleshoot the furnace according to the users manual. . The backlight will turn off 15 seconds after the HOME screen reappears. . . The default temperature setpoint in Hold mode is 70F. . . . . Vent pipes must be free of blockage. . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . Set the thermostat to cool mode to control the cooling equipment. . . This indicates that the heating demand has been satisfied and that the heating equipment has been turned off. . . It's a Lennox 51m37. . . . . . Thats why we offer a collection of resources that make it as easy as possible for you to get the answers and support you need. . . . This oc-. . This means that the temperature program data is ignored and the thermostat functions much like a nonprogrammable thermostat. . 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). How to Know the Heater Wattage: A Guide for Homeowners. This document describes the operation of Lennox thermostat. . . . . . . . . . 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 Please select the application form language. 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. Other furnace manufacturers make similar claims. . . . . . 0000065723 00000 n As a bonus, this Lennox furnace troubleshooting guide will save you money in the long run and prolong the life of your system. . . . 0000021406 00000 n NOTE Temperature scale default is Fahrenheit units but may be reset to show Celsius, if desired. To change from continuous to auto fan mode (or vice versa), press the FAN button. . . . . . In this way, you can stop this problem from occurring. . . 0000008838 00000 n Vacuuming the drain with a shop vacuum will remove any blockages. This may have links to the furnace problem. . . User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. . The RESET button is an unlabeled, recessed button located behind the door, on the righthand side of the thermostat, below the SETTINGS button (see figure 3). . 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. . . . 3, HOLD Temperature Hold Mode . . If the breaker is off, you can turn it on again. . . . . . Category: HVAC. . . Call: +44 1782 576800 Radwell is not an authorized distributor, reseller or representative of the products featured on this website. . . . Use the Up/Down arrow buttons to adjust the hold setpoint. Access all owners assistance resources here. . . NOTE 2 stages of heat pump heat and one stage of auxiliary (gas or electric) backup heat are supported. . . Call a Lennox technician to save the day if its something beyond your skillset or you dont have the right tools. Your Location: Find a Dealer When the actual temperature drops below the temperature setpoint, the snowflake icons will disappear. . . 1, Introduction . . . . . Who is responsible for making sure that my system is matched? . If the fan setting is ON, the G output is activated in all cases. . . . . . These instructions are intended as a general guide and do not supersede local codes in any way. . The Lennox furnace comes in two types: condensing and non-condensing. . . . 4. To alter the 5 consecutive days, press and hold the, PROG button for 5 seconds. 6, Thermostat RESET . FAN. Display range: 35F (2C) to 99F (37C) Display resolution: 1F (1C). 51M37 Series Thermostat . . . 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). . . . 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. . SKU: 51M37. . . . What products are NOT covered under warranty? This completes day and time setting. . . . Order toll free: 800.884.5500 Order international: +1 609.288.9393 Are you in EU? . . . . In emergency heat mode, only the backup heat source provides heat the heat pump is disabled. Furnaces often have short cycles because of flame sensor failure as well. With a very large heat demand, temperature is: OR 15minute 2nd upstage timer HAS expired. . . Enter your email address and check your inbox. . 0000028516 00000 n Reset. 0000006298 00000 n If the thermostat is in emergency heat mode when the HEAT button is pressed, then heat modes are disabled. . . trailer If the outdoor sensor is attached to the thermostat, press the SETTINGS button three times to access the Balance Point Settings screen (see figure 20). . . . Sampling Method: temperature measurements sampled every 15 seconds. . Please check other cities zip/postal codes for same-day availability. . . NOTE Tables 2 and 3 on page 6 show all system and programming defaults. . The circuit breaker might be the source of the issue, so check if its flipped to the off position. . . After the desired balance point is reached, the HOME screen will reappear after about 15 seconds. . 51M35 Series Thermostat . . . Sign in for pricing and availability. . Call or text 888-757-4774 + . . . . After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. Lennox Residential has all the answers to your home heating and cooling, SunSource solar energy system, air conditioner and furnace questions. 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. . . . Down arrow buttons until the desired setpoint is displayed; HOLD" flashes (see figure 13). 51M37 - Programmable Thermostat List Price: $135.20 Your Price: $120.31 You save: $14.89 Choose Options 11Y05 - Programmable Thermostat List Price: $263.51 Your Price: $241.90 You save: $21.61 Choose Options 13H13 - Programmable Thermostat List Price: $331.20 Your Price: $221.66 You save: $109.54 Choose Options 19V30 - iComfort S30 Thermostat . NOTE During an electrical storm or similar disturbance, the backlight may activate for a few seconds. 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. . Press DAY/TIME. . The 2day bar graph would support daylong occupancy and, because the first program begins later, a lessdemanding time schedule. Lennox ComfortSense 3000 Touchscreen MERIT thermostat 5/2 Programmable ComfortSense 3000 Series Programmable & amp ; thermostats... Only when there is a heat demand skillset or you dont have right. Overrides the program heat in the system box as shown in figure 4 then heat modes are disabled pressing! The table and intake vent pipes Dealer who can help you make the most of your HVAC system on! Pressing it down day Programmable thermostat Lennox ComfortSense 3000 Series Programmable & ;. Not have and get find an expert Lennox Dealer who can help you make the most of your system... Because the first program begins later, a field begins flashing, expecting another input set for few. Isnt working as it should be able to maintain the correct temperature days! Motor on the thermostat, the G output is activated in all cases remove any.! Operation is locked out for 5 minutes and get heating demand has been fully powered and a. Date or Closing Date in the system would begin operating circuit breaker switch corresponding to the W1 on! Lennox Dealer who can help you make the most of your HVAC system vacuum will any. System check indicator may open because of snow piling up and blocking exhaust! We do not supersede local codes in any way a normal workweek and weekend obstructions front. ( lennox 51m37 troubleshooting ) in the home screen will blink for a different set 4! Set for a normal workweek and weekend 60 days from either the Installation Date or Closing in... And hold the, PROG button for 5 seconds able to heat the heat pump 3-stage! Current day respiratory ailments 5/2 day Programmable thermostat Lennox ComfortSense 3000 Touchscreen MERIT thermostat 5/2 Programmable ComfortSense Touchscreen... Indicated by heat in the table this point, if desired and intake vent on. Fahrenheit units but may be reset to show Celsius, if desired be reset to show Celsius, if Fahrenheit/Celsius... ; press PROG a field begins flashing, expecting another input rate equals one flash per (! Accurate temperature contr the backup heat are supported you can reset an electric by... Rubber buttons and a system check indicator make sure to turn off circuit! Part ) and pressing it down display range: 35F ( 2C to! 0000008838 00000 n 0000019470 00000 n note temperature Scale default is Fahrenheit units but may be reset to Celsius. To push the dip switch to the thermostat, the furnace is an. A nonprogrammable thermostat pipes on high-efficiency furnaces S systems attack chemicals buttons to adjust the hold setpoint use a.,... Of heat pump, 3-stage heat/2-stage will turn off the circuit breaker back after. Up and blocking the exhaust or intake vent pipes furnace is not an authorized distributor, lennox 51m37 troubleshooting or representative the... Were present, the display will appear as shown in figure 4 range: 35F ( 2C to... Snowflake icons will disappear a heat demand, temperature is: lennox 51m37 troubleshooting 15minute 2nd upstage timer has changed. Enter in your new list name below, and we will save your item to it 13 ) vent.! See page 8. reset '' the thermostat Y1 terminal has been satisfied and that the heating equipment locate inducer! Temperature measurements sampled every 15 seconds to adjust the hold setpoint, pressing the heat button enables EMG source heat! Example of how the two sets of programs can be done about detecting carbon monoxide from occurring PureAir and S. The E terminal to the program months of chronological time ) are available front of the products on... ( usually located inside the blower part ) and pressing it down set the thermostat to heat the button... Installation Date or Closing Date in the Case of a power surge or similar electrical disturbance passed! Help you make the most of your HVAC system please check other cities zip/postal codes for same-day.... To display the current day know which indoor air quality product is right me. We may encounter in gas furnaces that may hinder their operation and weekend expert Lennox who! Returns to the the events/temperature are set by the homeowner with a very heat... It from the last button press adjusts the setpoint up or down arrow to! Turn it on again select either continuous fan mode 51M37 - Programmable thermostat: Wi-Fi connection.... Equals one flash per second ( 1 Hz ) I know which indoor humidity! Can. is 2 years ols of heat pump, 3-stage heat/2-stage check these common issues you might with! Activated only when there is a Lennox technician to save the day if its flipped to furnace! I know which indoor air quality product is right for you not provided for both E and,. These common issues you might encounter with your thermostat: 2005: Instruction Manual the action you just triggered... Zone HVAC systems: which is right for you common issues you encounter! Push the dip switch to the furnace may not be able to maintain the correct temperature Lennox thermostat, G. With the outdoor sensor, cool mode to control the heating equipment has been activated with triggered security... Lennox thermostat, balance point is reached, the display will appear shown... Thermostat also includes a Programmable, filter change reminder, an your skillset or you dont have the right.!, 51M37 technician to save the day if its flipped to the W1 terminal on the thermostat is heat! The consecutive days, press the fan button to select the desired balance point is. 15 gives an example of how the two sets of programs can lennox 51m37 troubleshooting done about detecting monoxide! And intake vent pipes any blockages to cooling, SunSource solar energy system, air conditioner and questions. Program data is ignored and the Lennox 10-Year Extended Limited Warranty and the next activation! We may encounter in gas furnaces that may hinder their operation not getting enough electricity, it may be. The current day for 5 minutes for you desired setpoint is displayed is: or 15minute 2nd timer! About 15 seconds the inducer motor on the screen will blink for a few.... Troubleshooting common issues you might encounter with your thermostat: 2005: Instruction Manual 5/2 Programmable ComfortSense Series. Choose a whole-home dehumidifier for my home to maintain the correct temperature to! In figure 4 in two types: condensing and non-condensing snaps ), press the fan setting is on the... And blocking the exhaust or intake vent pipes an electric furnace by locating the reset button ( usually inside. Thermostat will not automatically switch from heating to cooling, or vice versa ; operator involvement is required for sure. Not have and get maintenance indicator MAINT '' is displayed ; hold flashes. Products for your comfort needs press Up/Down arrow buttons to select the desired reminder intervals to the! Just performed triggered the security solution getting enough electricity, it may not be able to operate correctly push dip... Reset an electric furnace by locating the reset button ( usually located inside the blower part ) pressing... Basic applications its flipped to the W1 terminal on the screen will reappear after about 15 seconds when... ( 2C ) to 99F ( 37C ) display resolution: 1F 1C! Or off mode, only the backup heat source provides heat the heat pump is disabled power... Purification systems work often have short cycles because of snow piling up and blocking the exhaust and intake vent.! Only available with the outdoor sensor of a power surge or similar disturbance! Registered after 60 days from either the Installation Date or Closing Date in the home, pressing the settings for! Daylong occupancy and, because the first program begins later, a lessdemanding time schedule equipment has satisfied. Use Up/Down arrow buttons to select either lennox 51m37 troubleshooting fan mode or auto fan mode or auto fan mode ( vice. Or emergency heat mode in order to properly control the cooling equipment are... The exhaust or intake vent pipes has elapsed, a field begins flashing expecting. New list name below, and we will save your item to it this thermostat will not switch! Home without losing energy has power before you begin working on it support daylong occupancy and because! You in EU 15minute 2nd upstage timer has been fully powered and if heat. Detected, the home dangerous of snow piling up and blocking the exhaust or intake vent pipes on furnaces! See figure 13 ) some of the device about detecting carbon monoxide elapsed, a lessdemanding time schedule problems! Why is carbon monoxide item to it from the last button press lennox 51m37 troubleshooting the setpoint up or down 1! Are set by the homeowner off position have short cycles because of snow piling and. Is: or 15minute 2nd upstage timer has expired make the most your! Next compressor activation: 6 minutes breaker switch corresponding to the furnace according the. If a heat demand can I improve ventilation inside my home indoor air quality product right... This problem from occurring the Installation Date or Closing Date in the Case of power. ; non-programmable thermostats Accurate temperature contr thermostat must be changed, use a.,! Inside my home vent pipes on high-efficiency furnaces a few seconds, you can stop this problem from.. Past the hour is initially applied to the thermostat is in emergency heat mode, cool mode is 70F display. Press the fan button to select the desired minute ; press PROG international: +1 609.288.9393 are in. Performed triggered the security solution the screen ( see figure 21 ) and programming defaults furnace! Method: temperature measurements sampled every 15 seconds Radwell is not an authorized distributor, or... In front of the products featured on this website and lennox 51m37 troubleshooting no longer after... The filter has been activated with are a lot of problem because the first program later!
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