. 0000017388 00000 n . . %%EOF Lennox ECBA25-10CB, 10 kW Electric Heat Kit with Circuit Breaker, 208-240 VAC 1 Ph. . Controls (51m32) . . . . . . . . . 6, Removing/Installing Thermostat . . This document describes the operation of Lennox thermostat 51M35. . . Press DAY/TIME. . . . . BillyHvac, Journeyman HVAC Tech. * For most applications, E will be jumpered to W1. 24VAC for at least 5 minutes, AND the L terminal is shorted to the R terminal; Sif the thermostat Y1 terminal has been activated with 24VAC for at least 5 minutes, AND the L terminal is shorted to the C terminal. . . . . . . . . . . . . . . 3.Day MO" (Monday) will flash. 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. . . . . . . With a large HEAT demand, temperature is: less than setpoint 1.5F. . . . 2.Minutes will flash. . . . . When the RESET button is pressed, ALL settings revert back to the defaults, including the default program (see tables 2 and 3). . You can test the inducer motor by touching it. Cat # :16Y42. . . . . . . . . . . SKU: 51M37 Lennox. 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. With a very large heat demand, temperature is: OR 15minute 2nd upstage timer HAS expired. . 6, Thermostat RESET . 0000057326 00000 n . . . 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. AM 6:00", period A", and the 5 consecutive days are displayed; AM 6" flashes. . . . How do the PureAir and PureAir S systems attack chemicals? 0000003257 00000 n . . . Why should I be concerned about my home's air? . . . . . . . To adjust the balance point up or down, press the Up/Down arrow buttons to the right of the display screen. . FAN box is present (indicating that the fan is running) or not (fan not running). . 0000004959 00000 n . 0000004428 00000 n . . . Please select the application form language. Database contains 1 Lennox 51M37 Manuals (available for free online viewing or downloading in PDF): Operation manual . Enter in your new list name below, and we will save your item to it! Start making changes within. How can I ventilate my home without losing energy? . How do the PureAir and PureAir S air purification systems work? . Press DAY/TIME. . . If the fan setting is ON, the G output is activated in all cases. Display Scale: Fahrenheit or Celsius user selectable (via. . electronicthermostat 51M37 providesexcellent, The51M37 issuitableforheat pump, 3-stageheat/2-stage. . . . Enter your email address and check your inbox. Refer to the installation manual for instructions re-. . . 0000005225 00000 n . An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dualfuel compatibility. . . . . . . 749 0 obj<>stream . . Press DAY/TIME. 0000004031 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. . If it doesnt, youll need to troubleshoot the furnace according to the users manual. The Lennox Merit Series 5/2 day programmable electronic thermostat 51M37 provides excellent temperature control and a large, easy-to-read display. . How can I tell if I have a ventilation problem? . . . . . Access all owners assistance resources here. . Display Scale: Fahrenheit or Celsius user selectable (via. . Locate the inducer motor on the top box of the furnace. 2005 Lennox Industries Inc. Dallas, Texas, USA RETAIN THESE INSTRUCTIONS FOR FUTURE REFERENCE 51M37 Merit Series Thermostat The Lennox Merit Series 5/2 day programmable electronic thermostat 51M37 provides excellent temperature control and a large, easy-to-read display. . And with an urgent furnace repair bill looming, the last thing you want is for something as small as a furnace to stand between you and peace of mind. . . . . After either programmed interval has elapsed, the reminder will be displayed as shown in figure 16. . . . . . Add to Cart. Press the Heat button to enable or disable HEAT mode. The HOME screen reappears; confirm day and time are correct. Use UP or DOWN arrow buttons to display the current day. The RESET button can be used to recover from this situation. . . . ), Measurement Scale: Fahrenheit Measurement Range: 35F to 99F Measurement Resolution: 0.5F Measurement Accuracy: +/1F. . . Use the COOL button to enable or disable cool mode as desired. . How can I know if a ventilation system is right for me? . 0000007355 00000 n It's easy to find an expert Lennox Dealer who can help you make the most of your HVAC system. . Compare the LED lights error codes to the flashing patterns listed on the furnace cover or user manual. . . . NOTE The balance point is only available with the outdoor sensor. . . Press the Up/Down arrows buttons to change the hour. 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. Introduction. This oc-, curs as a normal part of thermostat initialization. When PROG or DAY/TIME is pressed, a field begins flashing, expecting another input. . If the breaker is off, you can turn it on again. The thermostat now functions much like a nonprogrammable thermostat. . . . . . . The RESET button can be used to recover from this situation. . . . . . . . Reset. . . I have a 51M37 Lennox thermostat and the display is blank/dark. I Live In A State Or Province Where Registration Is Not Required. . . Its best to seek professional help in your area if you cannot mitigate the pros yourself. NOTE Tables 2 and 3 on page 8 show all system and programming defaults. When programmed time has elapsed, a maintenance indicator MAINT" is displayed. . . . Call or text 888-757-4774 + The backlight will turn off 15 seconds after the HOME screen reappears. Can indoor air humidity affect asthma and other respiratory ailments? garding installation and wiring of the thermostat. . Honeywell RTH7600 Series Quick Start Manual, Honeywell CHRONOTHERM III T8611G User Manual, Aube Technologies TH149 Installation And User Manual, Danfoss TP4 User & Installation Instructions Manual, User & installation instructions manual (84 pages), Honeywell T1 Pro Installation Instructions Manual, Installation instructions manual (24 pages), Lux Products DMH100 Series Installation And Operating Instructions, Installation and operating instructions (3 pages), Bryant Preferred Series Installation Instructions Manual, Installation instructions manual (12 pages), DELTA DORE TYBOX 610 RF Installation Manual. After 24 hours of power loss, programmed settings will be lost and replaced with default settings. . These optional reminders are not enabled until you activate them. Use the Up/Down arrow buttons to select the desired minute; press PROG. Non-programmable model available for ease of use in basic applications. . 4, HOLD Temperature Hold Mode . . . The remaining 2 days can then be set for a different set of 4 unique events per day. If desired, start making changes within 15 seconds or the HOME screen will return. BBP: outdoor temperature is below balance point, ABP: outdoor temperature is above balance point, In all cases, the state of the B terminal is opposite that of the O terminal, Data are tabulated for AUTO fan setting. 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. 51M37, 05/05, 505,050M. . 747 61 . Use the Up/Down arrow buttons to adjust the hold setpoint. The 51M37 is suitable for heat pump, 3-stage heat/2-stage cool applications using a gas or electric auxiliary heat source. . . . Both the minimum compressor OFF timer and the minimum equipment cycle timer can be overridden by pressing and holding either the HEAT or COOL button down for 4 seconds. 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). . . OR, press ENTER at any time to store any changes and exit to the HOME screen. . indicator to notify the user when the equipment requires. . . Why should I choose an ENERGY STAR product for my home? .and more! . Use the UP/DOWN arrow button to display the minutes past the hour. . . . This completes day and time setting. 0000004165 00000 n . Press DAY/TIME. . 24VAC is present on the terminals of the thermostat bracket. . . . . . Who do I contact if I have any questions? . . . . . . There is no setting or field repair for this. . 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. . How can I tell if there is carbon monoxide in my home? This overrides the program for 2 hours from the last button press, then returns to the program. . This is indicated by HEAT in the SYSTEM box as shown in figure 4. 3, COOL Cool Mode . . . When the actual temperature rises above the temperature setpoint, the flame icon will disappear. . . 0000028516 00000 n . If this happens, it is essential to act quickly, as the red blinking light may indicate various issues or malfunctions with your heating system. Thermal-mechanical switch opens W1, Y1, Y2, and E at. No store found for that zipcode and search radius. . . . . . To install it, first position the top tilted toward the wall bracket and align it until you feel the tabs and slots engage; then, while the top is in place, pivot the bottom toward the wall until the thermostat snaps into place. How does excessive humidity affect my home comfort and health? Learn More List Price: $135.20 Your Price: $120.31 (You save $14.89 ) (No reviews yet) Write a Review SKU: 51M37 . . Description. . . While in Temporary Hold, press HOLD once to switch to Permanent Hold (HOLD displays solid; PROG not displayed); press HOLD again to return to the program (PROG displays; HOLD not displayed). . . . If you find any. 0000003764 00000 n . This indicates that the heating demand has been satisfied and that the heating equipment has been turned off. 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). . . How does overly dry air affect my home comfort and health? The thermostat also includes a programmable, filter change reminder and a system check indicator. 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. . . NOTE The HOME screen will reappear about 15 seconds after the final arrow button press. . 747 0 obj<> endobj . Do not use this item for any installation or repair of potable water applications. . Study the operation manual, which consists of 6 pages in English. . . . A flame sensor at the burner end of the furnace gas manifold connection signals to the furnace that there is a flame. DIP switch; see figure 18) Display range: 35F (2C) to 99F (37C) Display resolution: 1F (1C) Display Accuracy: +/1F. . 4.Use the Up/Down arrow buttons to select the desired temperature setpoint; press PROG. 0000023968 00000 n Lennox Thermostat Troubleshooting. 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. 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