. Smart Setback Recovery (SSR) affects the way the thermostat responds to program events. . . . . . . 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. . . . . If SSR is disabled, the thermostat will react to a program event at the time the event occurs. . . 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. . . . This section contains various Lennox Thermostats. 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). . 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. . 0000023413 00000 n . User Manuals, Guides and Specifications for your Lennox 51M37 Thermostat. . . 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. If the thermostat is in heat mode, pressing the Heat button enables EMG. Sign in for pricing and availability. . . When your furnace blinks red repeatedly, you know something is wrong. The temperature setpoint represents the desired temperature of the space around the thermostat. . . . . 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. . 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 . . . . Learn More List Price: $135.20 Your Price: $120.31 (You save $14.89 ) (No reviews yet) Write a Review SKU: 51M37 . . . . 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. . . The Truth About 2 Zone HVAC Systems: Which Is Right For You? . . 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. . . . service. . . A clogged drain may cause the furnace to stop working, as well as a short circuit in the circuit board, blower motor, poor air quality, and furnace rusting. What can be done about detecting carbon monoxide in the home? Use the Up/Down arrow buttons to select the desired minute; press PROG. Display Scale: Fahrenheit or Celsius user selectable (via. First, check to see if you lit the pilots light. damage, immediately contact the last carrier. . . . Access all owners assistance resources here. 7, Removing/Installing Thermostat . . Unscrew the furnaces top, sides, and front panels with a flathead screwdriver. . If your system supports 3stage heating (as does the 51M37 thermostat), you may notice various heating levels being delivered during a demand. I apologize but the only fix would be to replace the thermostat. You want to relax and unwind in the comfort of your own space. . . Does the SLP98V gas furnace work in a dual-fuel application? . . . . . . . . . . . . Minimum elapsed time between any compressor activation and the next compressor activation: 6 minutes. . . Use Up/Down arrow buttons to display the current day. . When power is initially applied to the thermostat, the dis-. . . If the thermostat is in OFF or COOL mode, pressing the Heat button enables Heat mode. . . . See page 7. . Satisfied Customers: 26,469. . When HOLD is displayed at the HOME screen, the thermostat is in a temperature hold condition. . 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. 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. Figure 15 gives an example of how the two sets of programs can be set for a normal workweek and weekend. . . 2. . Model/Part # :ECBA25-10CB. . . If you are unsure how to recognize the switch, refer to your users manual. . The 2day bar graph would support daylong occupancy and, because the first program begins later, a lessdemanding time schedule. . If desired, start making changes within 15 seconds or the HOME screen will return. 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? . . . . Such an instance can occur as a result of a power surge or similar electrical disturbance (e.g. How does overly dry air affect my home comfort and health? . 0000052925 00000 n Use the COOL button to enable or disable cool mode as desired. . . . . . . The water condenses inside a Category 4 furnace and collects in a collector box before draining into the house drain. . Ituses batteries, which can be AA or AAA. . After a demand has been satisfied, cooling equipment operation is locked out for 5 minutes. If the breaker is off, you can turn it on again. . 3, HOLD Temperature Hold Mode . Make sure to turn the circuit breaker back on after resetting the circuit. 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. 0000008239 00000 n . . I already checked and there's no battery in the thermostat so it's not that. 0000021406 00000 n Day selections are abbreviated as MO , TU", WE", TH", FR", SA", and SU". . . . . . . . . . . prongs. . . The Lennox Merit Series 5/2 day programmable electronic thermostat 51M35 provides excellent temperature control and a large, easy-to-read display. Pivot the bottom of the thermostat outward (releasing the snaps), then lift up to remove. . xVoLg~i'Jg . Sorry. . If removing the thermostat from the wall, use caution and avoid touching any of the connector terminals on the wall bracket. . . 1 LENNOX CATALOG # BRAND DESCRIPTION LOCK IT PRICE (U.S.) LOCK IT PRICE (CAN.) Setting range: 50F (10C) to 90F (32C) Setting resolution: 1F (1C), Smart Setback Recovery (via DIP switch #6). . . Refer to the installation manual for instructions re-. The 5 consecutive day period is then displayed (default is MOnday thru FRiday). . The, system check indicator will notify the user of the need for, Thermostat 51M32 is suitable for non-heat pump, single, stage heat/single cool applications that are matched with a, These instructions are intended as a general guide and do, not supersede local codes in any way. 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. . 10. . If your system supports 2stage cooling (as does the. . 6, SETTINGS Balance Point . . . 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 0000027124 00000 n . . . What is the best indoor air quality product? . damage, immediately contact the last carrier. Every time my current furnace cycles on, I hear a rush of air that's so loud, it wakes me from my sleep. . . . Adjusting Temperature Setpoint in Hold Mode. Press DAY/TIME. 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). . . . . 0000004165 00000 n 5/2 Day Programmable Thermostat : 2005 : Instruction Manual. . 0000020076 00000 n . . 1.AM12" will flash on the screen. . . . . . Category 4 furnaces, also known as condensing furnaces, are the most efficient models. . When the actual temperature rises above the temperature setpoint, the flame icon will disappear. . If you find any. Make sure to suck the drain with a vacuum to unblock it. 51M37, 05/05, 505,050M. . 0000023715 00000 n The 5-watt light bulb draws too much current from the 115-voltage line, damaging the bulb and the line. . There are no new entries! . 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. After the desired setpoint is reached, the HOME screen will reappear after about 15 seconds. Lennox Thermostat Troubleshooting. Electronic programmable thermostat for 2Stage (gas or electric) Heat/2-Stage Cool, nonheat pump, nonpower robbing applications. . . . 0000065723 00000 n . With simple one-touch operation and precision temperature control, ComfortSense 3000 Series Programmable & Non-Programmable Thermostats are incredibly convenient. What is the difference between R-22 and R-410A refrigerants? . 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