. . . . . garding installation and wiring of the thermostat. Lennox model today I was trying to install a different thermostat it wasn't compatible so I installed old one read more Andr R. Director DEC 3,229 satisfied customers The power to my house went off last night. . . . . Permanent Hold (HOLD displays solid; PROG not displayed); press HOLD again to return to the program (PROG displays; HOLD not displayed). . . . . . If the reset button fixes the issue, youre good for going. . . . . NOTE 2 stages of heat pump heat and one stage of auxiliary (gas or electric) backup heat are supported. . . . . . . . . . . After either programmed interval has elapsed, the reminder will be displayed as shown in figure 19. Without it, the furnace would not know whether a flame was present. 51M37. . . . . The thermostat also includes a programmable, filter change reminder and a system check indicator. . Order toll free: 800.884.5500 Order international: +1 609.288.9393 Are you in EU? . Press the Up/Down arrows buttons to change the hour. . . My Dealer . . . Default thermostat settings are shown in table 2 and the default program is shown in table 3. . . 2.Use the Up/Down arrow buttons to select the desired hour; press PROG when the desired hour is reached. This is normal and will no longer occur after the electrical disturbance has passed. 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 does overly dry air affect my home comfort and health? . Each button press adjusts the setpoint up or down by 1 degree. Press DAY/TIME. . . . . . . Reference: https://www.airtronic.ca/lennox-furnace-troubleshooting/. . Does the SLP98V gas furnace solve that problem? . . The default temperature setpoint in Hold mode is 70F. These instructions are intended as a general guide and do not supersede local codes in any way. 1, Introduction . 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. To return to the program, press HOLD again. 208.88.6.30 . . . . It's not controlled by thermostat. . . . . . . . 2, DAY/TIME Set Day and Time . It's a Lennox 51m37. . . . . . . . . . 0000057326 00000 n . . The backlight will turn off 15 seconds after the HOME screen reappears. . . Why should I choose an ENERGY STAR product for my home? Merit series 5/2 day programmable thermostat, temperature control and a large, easy-to-read display. . . . . . . See page 7. To adjust the balance point up or down, press the Up/Down arrow buttons to the right of the display screen. . . . The Lennox furnace comes in two types: condensing and non-condensing. 0000005756 00000 n 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. In this case, you may need to check the circuit breaker or the fuse box. . . Start making changes within. This product includes a programmable filter change reminder, an equipment maintenance reminder, and a system check indicator to notify the user when the equipment requires service. . . . . . . . . . . Database contains 1 Lennox 51M37 Manuals (available for free online viewing or downloading in PDF): Operation manual . . . If the breaker is in the middle, move it to the off position. Thermostat model 51m37 thermostat blinking. Buttons are located behind the small door on the right hand side of the thermostat (see figure 3). After 24 hours of power loss, programmed settings will be lost and replaced with default settings. . . . . . . Consult authorities having jurisdiction before installation. Your Location: Find a Dealer This section contains various Lennox Thermostats. . . . . . . . . What is the difference between an ARI and AHRI? . . . . First, check to see if you lit the pilots light. Use the Up/Down arrow buttons to display the minutes past the hour. Vacuuming the drain with a shop vacuum will remove any blockages. NOTE This thermostat will NOT automatically switch from heating to cooling, or vice versa; operator involvement is required. . 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. %%EOF 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. . . . . . . . . When HOLD is displayed at the HOME screen, the thermostat is in a temperature hold condition. Settings of Off, 6 or 12 (months of chronological time) are available. . NOTE Tables 2 and 3 on page 6 show all system and programming defaults. equipment maintenance reminder, and a system check. Use Up/Down arrow buttons to display the current day. Under some abnormal conditions, it may be necessary toreset" the thermostat to its default condition. . . Depending on the furnace model, the panel may be in the side or bottom areas. . . . . This is indicated by OFF in the SYSTEM box as shown in figure 6. . . If you find any. . . Can Equipment Be Registered After 60 Days from Either the Installation Date or Closing Date In The Case Of A Newly Constructed Home? . . . . . 5/2 Day Programmable Thermostat : 2005 : Instruction Manual. . Down arrow buttons until the desired setpoint is displayed; HOLD" flashes (see figure 13). . Can indoor air humidity affect asthma and other respiratory ailments? . . . . . 24VAC is present on the terminals of the thermostat bracket. . . . At any time the program is running, from the HOME screen, set a temporary 2-hour hold by pressing the Up/. . . When power is initially applied to the thermostat, the display will appear as shown in figure 1. . . . Thermostats are devices that control the temperature of the furnace. . . . . . Enter in your new list name below, and we will save your item to it! . . . . . . . . . . Set the thermostat to cool mode to control the cooling equipment. To change to a different 5-consecutive days, use the Up/, Down arrow buttons. This completes day and time setting. . . . 7, Removing/Installing Thermostat . This oc-. . This completes day and time setting. . . . What is the best thermostat to use for my heating system? It's also easy to find an expert Lennox dealer who can help you make the most of your HVAC system. . . 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. 0000004826 00000 n I am having problems with my cetnral Ac system which is combined with a gas forced hot water heating system. damage, immediately contact the last carrier. . Press DAY/TIME. . . . . . . . Click to reveal The backup heat source is activated for at least 3 minutes if no buttons are pressed during the demand interval. . . . . . Heating operation is indicated by a flame icon in the SYSTEM box. . . 0000053884 00000 n . . 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. 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). . Consult authorities, Check equipment for shipping damage. . . The minimum flame sense current is 0.5 microAmps. . 3, COOL Cool Mode . 10. .and more! FAN. Make sure to turn off the circuit breaker switch corresponding to the furnace. ( AM" or PM" must correspond to time of day.) . Non-programmable model available for ease of use in basic applications. When programmed time has elapsed, a FILTER indicator is displayed. Why is carbon monoxide (CO) in the home dangerous? . . What are the health benefits of a fresh-smelling home? . . . . * For most applications, E will be jumpered to W1. . . Ituses batteries, which can be AA or AAA. 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. In emergency heat mode, only the backup heat source provides heat the heat pump is disabled. T emperature Display. . . . . This document describes the operation of Lennox thermostat, 51M37. . . Press the Heat button to enable or disable HEAT mode. . . Add to Cart. . . . Here are some of our favorite tips and tricks for troubleshooting common issues with your Lennox furnace and how to fix them fast! 0000004165 00000 n 6, SETTINGS Balance Point . You can test the inducer motor by touching it. 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. . Sampling Method: temperature measurements sampled every 15 seconds. Troubleshooting. If the thermostat is in cool mode, pressing the Cool button disables COOL mode (indicated by OFF in the SYSTEM box see figure 10). . . Press DAY/TIME. . . You can email the site owner to let them know you were blocked. In some cases, it can be perilous if the problem is not properly addressed. . Day MO" (Monday) will flash. To change to a different 5-consecutive days, use the Up/ Down arrow buttons. You can reset an electric furnace by locating the reset button (usually located inside the blower part) and pressing it down. after an electrical storm or power outage). . . . This may have links to the furnace problem. . If youre anything like us, your home is your sanctuary. Description. Installing the wrong kind of thermostat is likely to cause miscommunication and result in system failure. . . . Who is responsible for making sure that my system is matched? . Compare the LED lights error codes to the flashing patterns listed on the furnace cover or user manual. . This occurs as a normal part of thermostat initialization. . Cloudflare Ray ID: 7b9d43d12969cab8 . . Cat # :16Y42. . xVoLg~i'Jg . Not a member? 0000016677 00000 n . 749 0 obj<>stream There is no setting or field repair for this. For example, there isa clogged air filter or a faulty blower motor, knowing that is what will make any repair job more accessible in the long run. . The default balance point setting is 55F. Check these common issues before calling a maintenance professional if your Lennox furnace isnt working as it should. . . . Press DAY/TIME. 1F and 55F (17C to 13C). The thermostat must be in the HEAT mode to control the heating equipment. Perfect comfort is something we want you to experience long after youve purchased your Lennox product. Why is ventilation important for proper indoor air quality? Also, if a small cooling demand is present, "Lo" will be displayed in the SYSTEM box. It is a Lennox and is 2 years ols. . . startxref . In normal heat mode, both the heat pump and the backup heat source are used to provide heat. . You may have to increase the thermostat temperature to turn the furnace on. 5, PROG Thermostat Programming . . 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). . If the thermostat is in heat mode, pressing the Heat button enables EMG. 2.Minutes will flash. Upload manuals that we do not have and get. At this point, if the equipment has been fully powered and if a heat demand were present, the system would begin operating. Locate the inducer motor on the top box of the furnace. . . If it doesnt, youll need to troubleshoot the furnace according to the users manual. Please call or email us with your request. When the actual temperature rises above the temperature setpoint, the flame icon will disappear. . 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. . . . . . Press Up/Down arrow buttons to select the desired reminder intervals. NOTE Heating equipment is activated for at least 3 minutes if no buttons are pressed during the demand interval. . . . . . Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. . I do not have a computer. . . If the Fahrenheit/Celsius display must be changed, use a. plastic, nonconductive tool to push the dip switch to the. . . . An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dualfuel compatibility. . To program events and temperatures, perform the following steps, once with Cool selected and once with Heat selected. (figure shows temperature in Fahrenheit units). . . . . . . The thermostat now functions much like a nonprogrammable thermostat. . . The thermostat now functions much like a nonprogrammable thermostat. . . . . . indicator to notify the user when the equipment requires. An optional outdoor temperature sensor provides. . . . 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. Setting range: 50F (10C) to 90F (32C) Setting resolution: 1F (1C), Smart Setback Recovery (via DIP switch #6). 0000003764 00000 n Brand: Lennox (1)-+ $139.16 each ADD TO CART. 0000065723 00000 n This document describes the operation of Lennox thermostat, 51M32. . . . . . . . . 0000007136 00000 n . . Minutes will flash. . garding installation and wiring of the thermostat. . . NOTE Tables 2 and 3 on page 8 show all system and programming defaults. 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. General These instructions are intended as a general guide and do . NOTE During an electrical storm or similar disturbance, the backlight may activate for a few seconds. . . . . 0000004428 00000 n . . 0000007355 00000 n . . How can I tell if I have a ventilation problem? . . . . . . . . . . . . . . SETTINGS Filter and Maintenance Reminders. . . . . . . 1, COOL Cool Mode . 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. . . . . 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. %PDF-1.5 % . . . . . . . . . Access to training 0000006156 00000 n . . When PROG or DAY/TIME is pressed, a field begins flashing, expecting another input. . . . The balance point feature allows the measured outdoor temperature to govern operation of the heat pump and backup heat source. . Programmable & Non-Programmable Thermostats. . What products are NOT covered under warranty? After about 1 minute of initialization time, the actual room temperature will be displayed. . . . . . 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. Use the HEAT button to select normal heat mode, emergency heat mode, or to disable heat modes as desired. . . 0000004296 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 . . . How can I improve ventilation inside my home? . 0000005623 00000 n What is involved in humidifier installation and maintenance? . 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. . . . . . With a large HEAT demand, temperature is: less than setpoint 1.5F. 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. . 3.Day MO" (Monday) will flash. . . . . The document contains a 8 of pages in English with detailed descriptions and pictures of the Lennox 51M34 Merit thermostat. . . . With simple one-touch operation and precision temperature control, ComfortSense 3000 Series Programmable & Non-Programmable Thermostats are incredibly convenient. . As a bonus, this Lennox furnace troubleshooting guide will save you money in the long run and prolong the life of your system. 15 seconds or the HOME screen will return. Read the operation manual on this page to properly set up the operation of the programmable digital thermostat. 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. This document describes the operation of Lennox thermostat. 0000006022 00000 n . Reset. . . . . . 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. . . I apologize but the only fix would be to replace the thermostat. . 3, HOLD Temperature Hold Mode . . . Cooling operation is indicated by flashing snowflake" icons in the SYSTEM box. Check back soon. . . . 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. Sign in for pricing and availability. . . . Make sure to turn the circuit breaker back on after resetting the circuit. . . . . Sorry. . These optional reminders are not enabled until you activate them. User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. Press DAY/TIME. . . At Lennox, we love our owners and seek to support them in every way possible. . . . 3.Use the Up/Down arrow buttons to select the desired minute; press PROG. . The water condenses inside a Category 4 furnace and collects in a collector box before draining into the house drain. . All thermostat relays are latching type to minimize power consumption. If the thermostat is in emergency heat mode when the HEAT button is pressed, then heat modes are disabled. . . . You should change your furnace filters every two to three months. . . . . . 5/2 day programmable thermostat (8 pages), Color touchscreen programmable thermostat (20 pages), Commercial touchscreen thermostat (30 pages), Color touchscreen programmable wi-fi The 51M37 is suitable for heat pump, 3-stage heat/2-stage cool applications using a gas or electric auxiliary heat source. . 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. . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . Satisfied Customers: 26,469. . 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. If you need a specific firmware or series relating to 51M37, we probably have it. . . . . . . . . . 3.Day MO" (Monday) will flash. . . . . The 51M35 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. Call a Lennox technician to save the day if its something beyond your skillset or you dont have the right tools. Enter in your new list name below, and we will save your item to it! The 2day bar graph would support daylong occupancy and, because the first program begins later, a lessdemanding time schedule. . . . . . . . . 0000004031 00000 n . Use the Up/Down arrow buttons to adjust the hold setpoint. . . . . . . . When power is initially applied to the thermostat, the dis-. . . . . . . Your Location: Find a Dealer. A pressure switch that senses negative pressure in the vent shuts down the furnace. These optional reminders are not enabled until you activate them. . . . Add to List. . . . . . . Who do I contact if I have any questions? . . . Access to pricing and ordering . . TEM box. After the filter has been changed or maintenance performed, reset the reminder by pressing the SETTINGS button for 4 seconds. . . When programmed time has elapsed, a maintenance indicator MAINT" is displayed. 0000023032 00000 n . . . . . . . 0000023413 00000 n This will allow you to understand the capabilities of the device. NOTE The heat pump is activated for at least 4 minutes if no buttons are pressed during the demand interval. 7, Default Thermostat Settings . 4, PROG Thermostat Programming . cool applications using a gas or electric auxiliary heat. . . . To change from continuous to auto fan mode (or vice versa), press the FAN button. . The backup heat source is activated only when there is a heat demand. . . . <<92dbde9128222e4fa41ff73e88402f63>]>> . . The existing 5 consecutive day period is then displayed (default is MOnday thru FRiday). . . . For example, if the furnace is not getting enough electricity, it may not be able to operate correctly. . The screen will blink for a few moments to indicate that the timer has been reset. . If the fan setting is ON, the G output is activated in all cases. . . . . What Lennox products are eligible for this 10-Year Extended Limited Warranty Program? Consult authorities, Check equipment for shipping damage. . . . . . Refer to the installation manual for instructions re-. Exclusive HVAC eTools . . . . If you find any, ThisdocumentdescribestheoperationofLennoxthermostat, When power is initially applied to the thermostat,thedis-, All display segmentsaremomentarily activated. Is there a way to repair this unit? . . Any 5 consecutiveday span may be selected, for example, in figure 14, Saturday through. trailer . . 4, FAN Controlling Fan Operation . Is there really a difference between air conditioner and heat pump sound levels? Second, check if you set the thermostat to the correct temperature. How effective are Healthy Climate solutions, compared to room air filters? grammable electronic thermostat that is easy-to-use and, has a large, easy-to-read display and excellent tempera-, ture control. . 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. . . . . . . . . . . If the optional outdoor sensor (X2658) is connected to the thermostat, balance point adjustment is available. . service. . If the thermostat is in normal heat mode when the HEAT button is pressed, then emergency heat mode is enabled. Model/Part # :ECBA25-10CB. . . . . . . . How do the PureAir and PureAir S systems attack chemicals? This is indicated by COOL in the SYSTEM box (see figure 8). . . . . . . . . . Heating operation is indicated by a flame icon in the SYS-. . . . 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. . Document(s) Updated: 2005. . . . Troubleshooting common issues you might encounter with your thermostat: Wi-Fi connection problem. Adjusting Temperature Setpoint in Hold Mode. Temperature control and a large, easy-to-read display and excellent tempera-, ture control furnace in... Only fix would be to replace the thermostat is likely to cause and! Us, your home is your sanctuary 00000 n what is the best to. A collector box before draining into the house drain water condenses inside Category... Order international: +1 609.288.9393 are you in EU to CART less setpoint... The minutes past the hour the Lennox 51M34 merit thermostat room air?! That my system is matched batteries, which can be perilous if the equipment.... Screen will blink for a few moments to indicate that the timer has been or. 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