User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. . after an electrical storm or power outage). . . . Settings of Off, 1, 3, 6 or 12 (months of fan run time) are available. . 5, FAN Controlling Fan Operation . . Under some abnormal conditions, it may be necessary toreset" the thermostat to its default condition. . If the thermostat is in heat mode, pressing the Heat button enables EMG. . . 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. 51M35 thermostat), you may notice various cooling levels being delivered during a demand. What are the advantages of the CompleteHeat. Today I went to activate the touchscreen to adjust temperature, and the screen is dark . . . When abnormal equipment operation is detected, the SERVICE indicator will flash on the screen (see figure 17). . . Press DAY/TIME. . CurrentCopyrightYear Lennox International Inc. . . Why should I be concerned about my home's air? . . . . 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. . . . . . grammable electronic thermostat that is easy-to-use and, has a large, easy-to-read display and excellent tempera-, ture control. Start making changes within. . . Reset. . 0000004561 00000 n . TEM box. . . . . . NOTE The balance point is only available with the outdoor sensor. . . Heating operation is indicated by a flame icon in the SYSTEM box. . Not a member? . . The thermostat must be in either normal or emergency heat mode in order to properly control the heating equipment. 0000004031 00000 n To return to the program, press HOLD again. . . . . . If you find any, ThisdocumentdescribestheoperationofLennoxthermostat, When power is initially applied to the thermostat,thedis-, All display segmentsaremomentarily activated. . . 0000004694 00000 n . . The temperature setpoint represents the desired temperature of the space around the thermostat. . . 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. . . . . If the thermostat is in heat mode, pressing the Heat button disables HEAT mode (indicated by OFF in the SYSTEM box see figure 5). . . . . 0000023968 00000 n How can I ventilate my home without losing energy? . ( AM" or PM" must correspond to time of day.) . Thermal-mechanical switch opens W1, Y1, Y2, and E at. . . . . You want to relax and unwind in the comfort of your own space. . 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. . A Lennox furnace requires regular maintenance to keep it running efficiently and optimally. 0000004826 00000 n . The air conditioning was working sporadically earlier but now is not coming on at all. . Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. . . . If the thermostat is in normal heat mode when the HEAT button is pressed, then emergency heat mode is enabled. . If the thermostat is in COOL or OFF mode, pressing the Heat button enables the HEAT mode. 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. Use UP or DOWN arrow buttons to display the current day. . I do not have a computer. Remove the front panel of the furnace Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . . . In some cases, it can be perilous if the problem is not properly addressed. . Can indoor air humidity levels have an impact on my energy bills? . 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). . The default setting for the reminders is OFF (disabled). . . . . What are some of the harmful effects of ozone? . . . 0000005092 00000 n . . . . . After either programmed interval has elapsed, the reminder will be displayed as shown in figure 19. 51M37 - Programmable Thermostat Lennox ComfortSense 3000 Touchscreen MERIT Thermostat 5/2 Programmable ComfortSense 3000 Series Programmable & Non-Programmable Thermostats Accurate temperature contr. To alter the 5 consecutive days, press and hold the, PROG button for 5 seconds. . Make sure to suck the drain with a vacuum to unblock it. A pressure switch that senses negative pressure in the vent shuts down the furnace. . When abnormal equipment operation is detected, the SERVICE indicator will flash on the screen (see figure 21). 0000004428 00000 n . ( AM" or PM" must correspond to time of day.) . . 1.AM12" will flash on the screen. . . . . Press the Up/Down arrows buttons to change the hour. This oc-. . . . . . . . . While in Temporary Hold, press HOLD once to switch to. . Please include what you were doing when this page came up and the Cloudflare Ray ID found at the bottom of this page. . . Lift the front panel off and set it aside afterward. 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 . . . . . . In either heat mode, when the actual temperature is lower than the temperature setpoint (as shown in figure 7), the thermostat detects a heating demand and activates the heating equipment to satisfy the demand. . . . . . . . However, if a large cooling demand is present, "Hi" will be displayed in the SYSTEM box (shown in figure 11). What are the health benefits of a fresh-smelling home? . . . . . . . . . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . . . . . [pool10] 29 items. . 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. . . With a large HEAT demand, temperature is: less than setpoint 1.5F. If desired, start making changes within 15 seconds or the HOME screen will return. To change to a different 5-consecutive days, use the Up/ Down arrow buttons. . . . . Which air filtration products make ozone? 0000017557 00000 n It can be a lot of problem because the furnace may not be able to heat the home properly. T emperature Display. . . . 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. At this point, the thermostat will be fully functional; its default temperature setpoint (not shown) is 70F. . SKU: 51M37. . Minutes will flash. . Look for a raised switch or button when removing the front panels of the furnace. . . You can email the site owner to let them know you were blocked. 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 Compare the LED lights error codes to the flashing patterns listed on the furnace cover or user manual. FAN box is present (indicating that the fan is running) or not. . Press DAY/TIME. 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. . Keep reading this article. any latin characters (a-z, A-Z) any numbers (0-9) special characters ("-", "_" and "."). 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? If you find any. . It is a Lennox and is 2 years ols. . 0000008159 00000 n . It includes a programmable filter change reminder, an equipment maintenance reminder, and a system check indicator to notify the user when the equipment requires service. . . . . 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. Each button press adjusts the setpoint up or down by 1 degree. . . . 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. . The Lennox furnace comes in two types: condensing and non-condensing. . . To change to a different 5-consecutive days, use the Up/, Down arrow buttons. Lennox 51M37 Operation manual (54 pages) . Access to pricing and ordering SBBP: outdoor temperature is below balance point, SABP: outdoor temperature is above balance point, SIn all cases, the state of the B terminal is opposite that of the O terminal, SData are tabulated for AUTO fan setting. . . 0000065723 00000 n 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. . Make sure to turn the circuit breaker back on after resetting the circuit. 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. What is the difference between the Lennox Equipment Limited Warranty and the Lennox 10-Year Extended Limited Warranty Program? . . If you find any damage, immediately contact the last carrier. . . 51M37, 05/05, 505,050M. This is indicated by COOL in the SYSTEM box (see figure 8). . Here are some of our favorite tips and tricks for troubleshooting common issues with your Lennox furnace and how to fix them fast! . . . . Lennox Thermostat Troubleshooting. . . If your system supports 2stage heating (as does the 51M35 thermostat), you may notice various heating levels being delivered during a demand. 0000004165 00000 n 0000008838 00000 n . . . NOTE Tables 2 and 3 on page 8 show all system and programming defaults. . Click to reveal The furnace filter is responsible for a majority of furnaces blowing cold air. . . . . . User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. . . . Depending on the furnace model, the panel may be in the side or bottom areas. . . Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . Buttons are located behind the small door on the right hand side of the thermostat (see figure 3). . 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. Call: +44 1782 576800 Radwell is not an authorized distributor, reseller or representative of the products featured on this website. . . . . . . . . 51M37 Series Thermostat . Without it, the furnace would not know whether a flame was present. Use the UP/DOWN arrow button to display the minutes past the hour. . . . . . . . . . Please select the application form language. Use the FAN button to select either continuous fan mode or auto fan mode. Consult authorities having jurisdiction before installation. There are 2 near you. . . . . . After the desired setpoint is reached, the HOME screen will reappear after about 15 seconds. . If this happens, it is essential to act quickly, as the red blinking light may indicate various issues or malfunctions with your heating system. Exclusive promotions . How do the PureAir and PureAir S systems attack chemicals? 1.Press and release PROG. A flame sensor at the burner end of the furnace gas manifold connection signals to the furnace that there is a flame. . See page 8. . In this case, you may need to check the circuit breaker or the fuse box. . . For example, if the balance point is 40F and the actual outdoor temperature is 35F, the outdoor temperature must rise to 43F before equipment adjustment occurs. . . If you find any. Minimum elapsed time between any compressor activation and the next compressor activation: 6 minutes. A pediatrician suggested a tabletop humidifier for my babys room. . . . . . . Both the consecutive days and the events/temperature are set by the homeowner. Display Scale: Fahrenheit or Celsius user selectable (via. . 0000004959 00000 n The document contains a 8 of pages in English with detailed descriptions and pictures of the Lennox 51M34 Merit thermostat. 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. After the desired balance point is reached, the HOME screen will reappear after about 15 seconds. The thermostat now functions much like a nonprogrammable thermostat. . . Use the Up/Down arrow buttons to adjust the hold setpoint. . 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 . . . . . . . . . . Check for a power outage, furnace filter, or furnace blower. Use the COOL button to enable or disable cool mode as desired. 0000008239 00000 n . . 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. . source. I have a Lennox 7500 Commercial thermostat that has worked well for 6 years. . . This operation manual contains all the information you need to configure the programmable digital thermostat at the first start-up and further work. . Use Up/Down arrow buttons to display the current day. 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). Model/Part # :ECBA25-10CB. . . . . . Box ( see figure 21 ) to fix them fast under some abnormal conditions, it can perilous... Setpoint up or down by 1 degree Lennox 7500 Commercial thermostat that easy-to-use. Between the Lennox furnace comes in two types: condensing and non-condensing do PureAir... Is dark only available with the outdoor sensor be in the side or bottom areas were when! Some abnormal conditions, it can be perilous if the problem is not properly addressed to heat the home will... Point, the reminder will be displayed as shown in figure 19 0000023968 lennox 51m37 troubleshooting the...: less than setpoint 1.5F functions much like a nonprogrammable thermostat the is. 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Then lift up to remove Warranty program user Manuals, Guides and Specifications for your Lennox and!

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