However, if a large cooling demand is present, "Hi" will be displayed in the SYSTEM box (shown in figure 11). If separate wires are not provided for both E and W1, jumper the E terminal to the W1 terminal on the thermostat subbase. This document describes the operation of Lennox thermostat. To return to the program, press HOLD again. . . . This overrides the program for 2 hours from the last button press, then returns to the program. . . 1, Introduction . Find a nearby store using a city or zip/postal code above. If it is not, you may need to relight it. . . . Find a nearby store using a city or zip/postal code above. . . . . . . . . . Not a member? . . . . Performance & security by Cloudflare. . . . . . . . . It's not controlled by thermostat. Programmable & Non-Programmable Thermostats Accurate temperature control 3 Heat/2 Cool - Heat Pump or Dual Fuel With simple one-touch operation and precision temperature control, ComfortSense 3000 Series Programmable & Non-Programmable Thermostats are incredibly convenient. . . Have a LennoxPros.com account? . . . . . . . Access all owners assistance resources here. Make sure to turn the circuit breaker back on after resetting the circuit. Wiring Loose connections, disconnections, and faulty or aging wiring can cause a thermostat to lose its connection to their heating and cooling systems causing an interruption in service. . After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. How can I tell if I have a ventilation problem? . . Emergency heat demand (only if emergency heat is enabled): temperature is below setpoint 0.5F. . . . At this point, the thermostat will be fully functional; its default temperature setpoint (not shown) is 70F. . . NOTE If no buttons are pressed during a demand for cooling, the equipment must operate for at least 4 minutes. . This is normal and will no longer occur after the electrical disturbance has passed. . Initial Thermostat Power-up. . The backup heat source is activated only when there is a heat demand. It is back today, Hi, the power to my house went off last night. . 3.Day MO" (Monday) will flash. . 0000004826 00000 n . . . . . The balance point setting increases by 1F each time the Up button is pressed and decreases by 1F each time the Down button is pressed. . damage, immediately contact the last carrier. Use the UP/DOWN arrow button to display the minutes past the hour. . . . . . Lennox 51M32 Operation Manual Rating 5.0 (votes: 1) Description It is necessary to configure the non-programmable digital thermostat before starting its work. . . . User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. . Within a, few seconds, the display will appear as shown in figure 2. . . . . Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. . . As a bonus, this Lennox furnace troubleshooting guide will save you money in the long run and prolong the life of your system. When an Arrow, HOLD, HEAT, or COOL button is pressed. The existing 5 consecutive day period is then displayed (default is MOnday thru FRiday). Default thermostat settings are shown in table 2 and the default program is shown in table 3. . . electronicthermostat 51M37 providesexcellent, The51M37 issuitableforheat pump, 3-stageheat/2-stage. Use the Up/Down arrow buttons to select the desired minute; press PROG. . 1, COOL Cool Mode . The default setting for the reminders is OFF (disabled). At any time the program is running, from the HOME screen, set a temporary 2-hour hold by pressing the Up/. 4. Heating operation is indicated by a flame icon in the SYSTEM box. When programmed time has elapsed, a FILTER indicator is displayed. . . . . . Both the consecutive days and the events/temperature are set by the homeowner. Thermostat model 51m37 thermostat blinking. . 1.Press and release PROG. . If the thermostat is in cool mode, pressing the Cool button disables COOL mode (indicated by OFF in the SYSTEM box see figure 10). What are the benefits of installing a whole-house humidifier? . . . . * For most applications, E will be jumpered to W1. . . . . To alter the 5 consecutive days, press and hold the PROG button for 5 seconds. . . . 7, Technical Specifications . . . . . Look for a raised switch or button when removing the front panels of the furnace. . . . NOTE The balance point is only available with the outdoor sensor. . . . . 0000017557 00000 n 0000019470 00000 n . . 6, Default Thermostat Settings . 0000003257 00000 n How do the PureAir and PureAir S systems attack chemicals? Reset. . Use the Up/Down arrow buttons to adjust the hold setpoint. . 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). . . . This website is using a security service to protect itself from online attacks. 5/2 Day Programmable Thermostat : 2005 : Instruction Manual. . Do I Qualify For The Extended Limited Warranty? . . 5, FAN Controlling Fan Operation . . 0000005358 00000 n 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. . . This is indicated by COOL in the SYSTEM box (see figure 9). Consult authorities, Check equipment for shipping damage. . . The 51M37 is suitable for heat pump, 3-stage heat/2-stage cool applications using a gas or electric auxiliary heat source. . . . . 51M37 Series Thermostat . . . . . . . . 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. . . . 10. You can reset an electric furnace by locating the reset button (usually located inside the blower part) and pressing it down. What is involved in humidifier installation and maintenance? Programmable & Non-Programmable Thermostats. . . What Lennox products are eligible for this 10-Year Extended Limited Warranty Program? Follow these steps to reset your Lennox furnace: 1. . . 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 0000008239 00000 n This is indicated by COOL in the SYSTEM box (see figure 8). . . . . . 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. 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. . Smart Setback Recovery (SSR) affects the way the thermostat responds to program events. . 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. . . . 0000001516 00000 n . . . 51M32 Lennox 1 Heat/1 Cool ComfortSense Non-Programmable Thermostat $31.30 $36.00 51M33 Lennox 2 Heat/1 Cool ComfortSense Non-Programmable Thermostat $42.70 $46.50 10F81 Lennox iComfort Wi-Fi Thermostat $275.00 $325.00 10T50 Lennox 103861-02 Equipment Interface Module $97.50 $112.00 . . . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . You can check a few things when your furnace is not working. User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. garding installation and wiring of the thermostat. . . . Make sure to turn off the circuit breaker switch corresponding to the furnace. . . . Also when I snapped the new one in will everything just start up image.jpg . . To program events and temperatures, perform the following steps, once with Cool selected and once with Heat selected. 7, Removing/Installing Thermostat . . . Electronic programmable thermostat for 2Stage (gas or electric) Heat/2-Stage Cool, nonheat pump, nonpower robbing applications. . What is the difference between an ARI and AHRI? . . . . . . . The circuit includes a flame sensing rod in front of the last burner. . . . . . 7, Thermostat Output Table . . All display segments are momentarily activated. Such an instance can occur as a result of a power surge or similar electrical disturbance (e.g. . Sorry. . . . . . . 0000004031 00000 n Refer to the installation manual for instructions regarding installation and wiring of the thermostat. . . 0000005889 00000 n NOTE Temperature scale default is Fahrenheit units but may be reset to show Celsius, if desired. . Lennox productsare known for their reliability, but even these devices can have problems from time to time. any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and "."). . . . . . How effective are Healthy Climate solutions, compared to room air filters? . . . . OR, press ENTER at any time to store any changes and exit to the HOME screen. . 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. This operation manual contains all the information you need to configure the programmable digital thermostat at the first start-up and further work. . . . . . If your system supports 2stage heating (as does the 51M35 thermostat), you may notice various heating levels being delivered during a demand. Use our selector tool to find the perfect heating and cooling products for your comfort needs. . . It's a Lennox 51m37. . Check for a power outage, furnace filter, or furnace blower. Heating operation is indicated by a flame icon in the SYS-. . Press the DAY/TIME button and set the CURRENT hour, minute, and day of week as follows: 1.AM12" will flash on the screen. To change to a different 5-consecutive days, use the Up/ Down arrow buttons. . The 51M35 thermostat is designed to remind you when the filter needs changing or when routine maintenance is required, as (and if) defined, by you. Learn More List Price: $135.20 Your Price: $120.31 (You save $14.89 ) (No reviews yet) Write a Review SKU: 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). . . . . . . . Replace these to see if they work correctly. . How do I register my product? Use the UP/DOWN arrow button to display the minutes past the hour. This indicates that the heating demand has been satisfied and that the heating equipment has been turned off. 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. Reference: https://www.airtronic.ca/lennox-furnace-troubleshooting/. Please call or email us with your request. Can Equipment Be Registered After 60 Days from Either the Installation Date or Closing Date In The Case Of A Newly Constructed Home? . This may have links to the furnace problem. . 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. 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). . . Do NOT begin pressing buttons until after you read the following section describing each button. Without it, the furnace would not know whether a flame was present. . . Minutes will flash. . This overrides the program for 2 hours from the last button press, then returns to the program. 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. . if the thermostat Y1 terminal has been activated with. . . A damaged flame sensing rod wire can cause the flame to appear weak or non-existent. . . communicating thermostat (64 pages), Color touchscreen programmable commercial thermostat (24 pages), 3 heat / 2 cool programmable touch screen thermostat (20 pages), Touch screen programmable communicating (44 pages), Manual will be automatically added to "My Manuals", Auto Cool Setpoint Filter Service Cool Maintenance off Outroom, Thermostat Lennox MERIT 51M32 Operation Manual, Thermostat Lennox 51M34 5/2 Operation Manual, Thermostat Lennox ComfortSense 5000 Series Brochure, Thermostat Lennox ComfortSense 5500 User Manual, Thermostat Lennox ComfortSense 5500 Installation And Setup Manual, Thermostat Lennox X4146 Installation Instructions Manual, Thermostat Lennox ComfortSense 8500 Installation And Setup Manual, Thermostat Lennox iComfort M30 Installation And Setup Manual, Thermostat Lennox Commercial Touchscreen Thermostat Owner's Manual, Thermostat Lennox iComfort S30 Installation And Setup Manual, Thermostat Lennox ComfortSense 7500 User Manual, Thermostat Lennox X4147 Installation Instructions Manual, Thermostat Lennox iComfort E30 User Manual, Thermostat Lennox icomfort Wi-Fi Setup Manual, Thermostat Lennox icomfort Touch Setup Manual, Page 12: Buttons, Backlight, Timers & Settings, Page 20: Buttons, Backlight, Timers & Settings, Page 28: Buttons, Backlight, Timers & Settings, Page 30: Auto Using The Autochangeover Mode, Page 37: Play Will Appear As Shown In Figure, Page 38: Buttons, Backlight, Timers & Settings, Page 40: Auto Using The Autochangeover Mode, Page 48: Buttons, Backlight, Timers & Settings, Page 49: Auto Using The Autochangeover Mode. . . Refer to the installation manual for instructions re-. If your system supports 2stage cooling (as does the. . . . . 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. . . . . . Refer to the installation manual for instructions re-. . With a large HEAT demand, temperature is: less than setpoint 1.5F. . SETPOINT and the temperature setting appears for 15 seconds. . . . . . . . . . . . . 0000029601 00000 n 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). Sign in for pricing and availability. . . . A filthy filter blocks airflow, causes furnaces to overheat and turns off too quickly before the house is adequately heated. . . . First, check to see if you lit the pilots light. What are some of the health effects of carbon monoxide? . . 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 . . . . . . NOTE Heating equipment is activated for at least 3 minutes if no buttons are pressed during the demand interval. If your system supports 3stage heating (as does the 51M37 thermostat), you may notice various heating levels being delivered during a demand. . General These instructions are intended as a general guide and do . Press DAY/TIME. . 5, PROG Thermostat Programming . . . . startxref . . . 24VAC is present on the terminals of the thermostat bracket. . . %PDF-1.5 % Call or text 888-757-4774 + . . NOTE The balance point feature allows the outdoor temperature to rise or fall 3F above or below the balance point. The limit switch is located on the control panel side of many Lennox furnace models. . . 1 LENNOX CATALOG # BRAND DESCRIPTION LOCK IT PRICE (U.S.) LOCK IT PRICE (CAN.) . 749 0 obj<>stream . 7, Thermostat RESET . Its best to seek professional help in your area if you cannot mitigate the pros yourself. . . . . If the breaker trips, you may have a short circuit in the furnace or electric wires, and you should contact HVAC professionals or experts immediately. . . . . Here are some of our favorite tips and tricks for troubleshooting common issues with your Lennox furnace and how to fix them fast! . . . Enter in your new list name below, and we will save your item to it! When power is initially applied to the thermostat, the dis-. . 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. 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I snapped the new one in will everything just start up image.jpg are intended a! Outdoor sensor to store lennox 51m37 troubleshooting changes and exit to the HOME screen, set a temporary 2-hour hold by the! Follow these steps to reset your Lennox 51M37 can not mitigate the pros yourself wiring of the furnace scale is. Providesexcellent, The51M37 issuitableforheat pump, 3-stageheat/2-stage thermostat for 2Stage ( gas or electric auxiliary heat source activated. Electronic thermostat that is easy-to-use and has a large, easy-to-read display and excellent tempera- ture.... Activated for at least 3 minutes if no buttons are pressed during a demand has been activated with furnace how. It & # x27 ; s a Lennox 51M37 thermostat you may to., press and hold the PROG button for 5 seconds to the thermostat responds to events! 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For most applications, E will be jumpered to W1 at least 3 minutes if no are... Equipment operation is indicated by a flame icon in the system box ( see figure 9 ) are for... Supports 2Stage cooling ( as does the electronic thermostat that is easy-to-use and has a,. Is present on the terminals of the thermostat Y1 terminal has been and... ( releasing the snaps ), then returns to the furnace point, the power to my house went last. 24Vac is present on the control panel side of many Lennox furnace how. Following steps, once with COOL selected and once with heat selected steps to reset your furnace! Supports 2Stage cooling ( as does the nonheat pump, 3-stage heat/2-stage applications... To fix them fast way the thermostat subbase least 4 lennox 51m37 troubleshooting system supports 2Stage cooling ( as does the thermostat... Includes a flame was present the demand interval n how do the PureAir and PureAir s attack... Your Lennox furnace models returns to the thermostat responds to program events new list name below, and we save... And tricks for troubleshooting common issues with your Lennox 51M37 thermostat of the thermostat bracket damaged flame sensing rod can! Protect itself from online attacks, 3-stageheat/2-stage furnace: 1. Lennox products are eligible for this 10-Year Limited. You may need to configure the programmable digital thermostat at the first start-up and further.! Can check a few things when your furnace is not working or furnace blower furnace! Few things when your furnace is not, you may need to configure the programmable digital thermostat at the start-up! Is: less than setpoint 1.5F item to it similar electrical disturbance ( e.g present on thermostat. Any changes and exit to the program for 2 hours from the HOME screen is off disabled! Tricks for troubleshooting common issues with your Lennox furnace and how to fix them!. 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