. . . 0000004031 00000 n . . . . . . . . . . Use UP or DOWN arrow buttons to display the current day. . . . Use the Up/Down arrow buttons to adjust the hold setpoint. 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). . . . . . service. . At the change of seasons, or to accomodate abnormal seasonal temperature swings, you must manually select to the opposite conditioning (Heat or Cool) program. . . What are the benefits of installing a whole-house humidifier? 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. . If your system supports 2stage cooling (as does the. . 0000007355 00000 n . . . . . . . . If the thermostat is in cool mode, pressing the Cool button disables COOL mode (indicated by OFF in the SYSTEM box see figure 5). Find a nearby store using a city or zip/postal code above. . 2. . 0000005490 00000 n . Furnaces often have short cycles because of flame sensor failure as well. After either programmed interval has elapsed, the reminder will be displayed as shown in figure 19. 749 0 obj<>stream 0000005358 00000 n . . . Emergency heat demand (only if emergency heat is enabled): temperature is below setpoint 0.5F. . This overrides the program for 2 hours from the last button press, then returns to the program. . When your furnace blinks red repeatedly, you know something is wrong. . An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dualfuel compatibility. NOTE If no buttons are pressed during a demand for cooling, the equipment must operate for at least 4 minutes. . Use the Up/Down arrow buttons to display the minutes past the hour. While in Temporary Hold, press HOLD once to switch to. What is involved in humidifier installation and maintenance? . A pressure switch that senses negative pressure in the vent shuts down the furnace. At Lennox, we love our owners and seek to support them in every way possible. 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. Press DAY/TIME. 2.Use the Up/Down arrow buttons to select the desired hour; press PROG when the desired hour is reached. . . . . If the thermostat is in HEAT or OFF mode, cool mode is enabled when the COOL button is pressed. . Set the thermostat to cool mode to control the cooling equipment. . This document describes the operation of Lennox thermostat. . Perfect comfort is something we want you to experience long after youve purchased your Lennox product. . Wednesday is defined as the 5day programming (Thursday and Friday would constitute the 2day programming). . . . . . . What are some of the harmful effects of ozone? No store found for that zipcode and search radius, Lennox L3511C, Digital Programmable Thermostat, Conventional 1 Heat/1 Cool, Dual-fuel capability (multi-stage heat pump version only)increases the efficiency of dual-fuel heating systems by automatically alternating between gas and electric operation, 5-day/2-day programminghomeowners can customize a temperature schedule for weekdays and weekends, with up to two time periods per day, Non-programmable model available for ease of use in basic applications, Easy integrationworks with advanced heating and cooling systems to properly regulate temperature inside the home, Automatic changeover between heating and cooling operation, depending upon the demand (7-day programmable only), Large buttons and backlit displayfind the right setting, day or night, Digital controlaccurately maintains the desired temperature. . View FAQs to find answers to questions you may have about the operation of your heating or cooling system. . . . 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. . . . The Lennox Merit Series 5/2 day programmable electronic thermostat 51M37 provides excellent temperature control and a large, easy-to-read display. . . . . The Truth About 2 Zone HVAC Systems: Which Is Right For You? Set the thermostat to heat mode to control the heating equipment. If you need a specific firmware or series relating to 51M37, we probably have it. Can Equipment Be Registered After 60 Days from Either the Installation Date or Closing Date In The Case Of A Newly Constructed Home? . . 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. These optional reminders are not enabled until you activate them. . . 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. . . Press DAY/TIME. . The circuit breaker might be the source of the issue, so check if its flipped to the off position. . . 0000021406 00000 n . . . . . Lennox Merit ML14XP1 Series, 3 Ton Quantum Coil Heat Pump, 208-230 VAC 1 Ph 60 Hz, Up to 16.0 SEER, Up To 9.0 HSPF. Adjusting Temperature Setpoint in Hold Mode. NOTE Heating equipment is activated for at least 3 minutes if no buttons are pressed during the demand interval. . Can strong odors in my house cause health problems? . 0000065723 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 $112.00 It's not controlled by thermostat. . . . . . . 5, SETTINGS Filter /Maintenance Reminder . (u(Un!-u\}Y/6[23>,YK @$@. -Pz3`H&G(N,1Pj>5V~v>>wC59-UKTG1+ w4(+3~C|NW[c{[". . Please check other cities zip/postal codes for same-day availability. . . If your system supports 3stage heating (as does the 51M37 thermostat), you may notice various heating levels being delivered during a demand. . To adjust the balance point up or down, press the Up/Down arrow buttons to the right of the display screen. . . . . . . . damage, immediately contact the last carrier. . 0000028516 00000 n . . Why can't I purchase Lennox products online? You should change your furnace filters every two to three months. 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. 0000024214 00000 n Do I Qualify For The Extended Limited Warranty? This operation manual contains all the information you need to configure the programmable digital thermostat at the first start-up and further work. . Use the Up/Down arrow buttons to display the minutes past 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. If the fan setting is ON, the G output is activated in all cases. . If removing the thermostat from the wall, use caution and avoid touching any of the connector terminals on the wall bracket. . . . . Both have benefits and drawbacks, but the non-condensing model is more commonly used in homes because its less expensive and smaller than the condensing model. 0000017352 00000 n Model/Part # :ECBA25-10CB. Make sure the furnace has power before you begin working on it. . . . . 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. 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. . . . Cooling operation is indicated by flashing snowflake" icons in the SYSTEM box. If your system supports 2stage cooling (as does the 51M37 thermostat), you may notice various cooling levels being delivered during a demand. . The Lennox Merit Series 5/2 day programmable electronic thermostat 51M35 provides excellent temperature control and a large, easy-to-read display. . To alter the 5 consecutive days, press and hold the, PROG button for 5 seconds. . Press the UP/DOWN arrows to change the hour. . . . . . Use the Up/Down arrow buttons to select the desired minute; press PROG. . . . . . Lennox Thermostat Troubleshooting. . . 0000017557 00000 n The backup heat source is activated only when there is a heat demand. Within a few seconds, the Home Screen appears (see figure 2) with default settings as shown. . . If the thermostat is in emergency heat mode when the HEAT button is pressed, then heat modes are disabled. 7, Technical Specifications . All display segments are momentarily activated. electronicthermostat 51M37 providesexcellent, The51M37 issuitableforheat pump, 3-stageheat/2-stage. 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. . . . . . . To alter the 5 consecutive days, press and hold the PROG button for 5 seconds. . . . . 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. 0000019470 00000 n . . . 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. . This document describes the operation of Lennox thermostat, 51M37. 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. NOTE Tables 2 and 3 on page 8 show all system and programming defaults. Table 5 depicts the 51M37 thermostat output states for various input conditions. Look for a raised switch or button when removing the front panels of the furnace. . . Satisfied Customers: 26,469. . . . Please call or email us with your request. When programmed time has elapsed, a maintenance indicator MAINT" is displayed. . . xref . reset" the thermostat to its default condition. PLUG IN (Use Care To Avoid Bending Prongs. . . . Minimum furnace cycle time (elapsed time between any furnace activation and the next furnace activation): 6 minutes. Also when I snapped the new one in will everything just start up image.jpg . ), Measurement Scale: Fahrenheit Measurement Range: 35F to 99F Measurement Resolution: 0.5F Measurement Accuracy: +/1F. . 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 Home Comfort. How does that compare to a whole-home humidifier? 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. . . Then, turn the furnace switch back on. Can I use my chimney with my new furnace. . . . . . . . . . . Brand: Lennox (1)-+ $139.16 each ADD TO CART. . . . . Display Scale: Fahrenheit or Celsius user selectable (via. The critical components of a Lennox furnace are the heat exchanger, blower, humidifier, thermostat, and auxiliary controls. The temperature setpoint represents the desired temperature of the space around the thermostat. . . . . 1, Introduction . . . . . I already checked and there's no battery in the thermostat so it's not that. . . . . . Settings of Off, 1, 3, 6 or 12 (months of fan run time) are available. . . . . . Each button press adjusts the setpoint up or down by 1 degree. . . . The SERVICE indicator is displayed only under the following conditions: Sif the thermostat Y1 terminal has been activated with. . 0000023715 00000 n . 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 RESET button can be used to recover from this situation. . How does overly dry air affect my home comfort and health? . 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. . . 15 seconds or the HOME screen will return. The AC system is a high end Lennox with a programmable Lennox thermostat. . . . 0000053884 00000 n Power must be applied for at least six consecutive hours prior to a power loss in order for memory to be retained for the specified time. The thermostat hinges on tabs on the top of the subbase; no tool is needed to remove the thermostat from the subbase. 0000004165 00000 n . . . 0000003631 00000 n Any 5 consecutiveday span may be selected, for example, in figure 14, Saturday through. 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). . . . . . . . . . This is indicated by COOL in the SYSTEM box (see figure 8). After the desired balance point is reached, the HOME screen will reappear after about 15 seconds. 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