In short, when your homes auxiliary heat source is in use, your thermostat will indicate that em heat is on. Auto autochangeover allows the thermostat to switch between heating and cooling, whichever mode is dictated by the indoor temperature. Stage model number identification l5 brand l lennox series 5 5000 series heating stages 1 single stage 3 three stages programming 7 7. Installation and setup guide lennox residential admin. Lennox 5000 series thermostat introduction youtube. Lennox 51m33 nonprogrammable 2h1c heat pump thermostat nonprogrammable 2h1c heat pump thermostat. Dallas, texas, usa merit series thermostat controls 51m33 504,931m 0904 litho u. This thermostat supports heat pumps single or two stage or non heat pump units, with up to. Dallas, texas, usa icomfort wifi web and mobile apps icomfort wifi thermostat this manual must be left with the homeowner for future reference notice use this thermostat only as described in this manual. The emergency heat function operates both stages of heat at the same time when in multistage mode. Lennox comfortsense 5500 user manual pdf download manualslib. The supplemental heat is also referred to as secondstage. After a sixhour compressor crankcase warmup period, the thermostat can be switched to the heat setting and normal heat pump operation may resume.
If you have a conventional multistage system more than 1 stage of heat or cool, then slide the switch to the ms position. W1 firststage heating non heat pump or emergency heat or thirdstage heating heat pump y1 compressor output r 24vac power. Attention the lennox icomfort wifi thermostat with equipment interface module eim will work with most 24vac furnaces, air conditioners, air handlers and heat pumps up to 3 stages of heat and 2 stages of cooling, except it will not work with any brand of communicating hvac equipment other than lennox. Emergency heat is when you use your supplemental heat 2nd stage by itself, without the use of your heat pump 1st stage heat. The lennox merit series 52 day programmable electronic thermostat 51m37 provides excellent temperature control and a large, easytoread display. Contact your local waste management authority for instructions re garding recycling. So, he went out and started the heat pump and tested everything again.
Lennox x4147 4 perioidday, touchscreen, 7 day, thermostat, 3 heat 2 cool, programmable, conventional heat pumpdual fuel 4. Note that when manually selecting away from the home screen. The supplemental heat is also referred to as secondstage or backup. Read this manual before programming this thermostat.
This will damage the thermostat and void the warranty. Place between wall base and unit and twist to separate unit. Lennox thermostat manuals all models smart home perfected. Lennox merit 51m32 operation manual pdf download manualslib. Transitioning to next schedule temperature setting. Commercial touchscreen thermostat owners guide 505,104m 122005 2005 lennox industries, inc. Lennox comfortsense 7500 user manual pdf download manualslib. This feature is not available for non heat pump systems. Emergency heat is typically triggered when it is 35f and below outside. Looking for more information about your lennox product. Heat pump or multistage selector hpms switch the factory position for this switch is in the hp position. Exceed thermostat wire run length greater than 300 feet 91m. This thermostat is to be installed by a qualified service technician or other qualified agency in. Emergency heat all heat pumps operating in northern climates below 35f normally need a supplemental heating source.
Find best value and selection for your lennox outdoor heat pump remote sensor for dsl thermostat lx odt 37k09 new search on ebay. An optional outdoor temperature sensor provides auxiliary heat lockout, balance point operation, and dual. Use this thermostat only as described in this man ual. The unit is an electric heat pump and the wiring diagram in the honeywell manual doesnt match the wires from the old lennox thermostat. The problem is that all these thermostats default to heat pump for heat. This data is provided directly from your lennox equipment and cannot be. Atc32u01 communicating, programmable thermostat user manual rev 2 july, 2012 4 geothermal heat pump systems 2. Use the search bar below to find your specific lennox thermostat manual. Emergency heat means constantly using the backup heat. Homeowners manual icomfort wifi thermostat touchscreen programmable communicating thermostat controls. Complete guide to lennox thermostat different models. But now your heat pump basically works either as an electric furnace, which costs more to use than a heat. Dallas, texas, usa touchscreen programmable communicating thermostat controls icomfort wifi web and mobile 50734201 apps 22014 supersedes 50720001 general congratulations on choosing the icomfort wifi touchscreen, programmable thermostat. If outdoor temperature is above the high balance point, only the heat pump will operate default 50f 10.
I need help wiring a lennox 65f9801 to a honeywell. Use this thermostat only as described in this manual. Retain these instructions for future reference table of contents merit series thermostat. Atc32u01 igate communicating, programmable thermostat. Heat cool allows the thermostat to switch hour during periods of equipment inactivity i. Most s30 thermostats operate with lennox communicating equipment that sends serial communication regarding the runtime. Em heat heat pump systems only thermostat controls emergency heat and auxiliary heat, if needed. Heat pump thermostat wiring diagram air conditioning systems. On the lennox thermostat r is red wire, v is green, and jumped with. View online quick start installation manual for lennox comfortsense 7000 series thermostat or simply click download button to examine the lennox comfortsense 7000 series guidelines offline on your desktop or laptop computer.
Please refer to the user manual on the thermostat for more information on how to change the unit of temperature. What to do when a thermostats red light blinks or stays. Not sure if i care if the heat pump comes on as a secondary. Auto the thermostat switches the system from the heating mode to the cooling mode based on temperature. On the lennox thermostat r is red wire, v is green, and jumped with white read more. Lennox product manuals and literature lennox residential. When in heat mode, if the actual temperature is lower than the temperature setpoint, a heating demand is detected by the thermostat. Answered by a verified hvac technician we use cookies to give you the best possible experience on our website.
If any other zone should call for heat during the emergency heat call, it too will be satisfied by the emergency heat source. The new thermostat is touchscreen and really easy to use. Indoor air quality is supported with timebased notification of consum. Em heat emergency heat bypasses the first stage of heating any. Mla, mpa, mpb and 3pb single and multizone outdoor units wih compatible indoor units service manual packaged elecelec heat pump lrp14ac, lrp14df, lrp14ge, lrp14hp, lrp16ge and lrp16hp residential packaged units. The lennox has an emergencey switch which disables the heat pump for heat and makes the gas the primary. The backup heat source is activated only when there is a heat demand. Auxiliary heat is only available with heat pump system. Attention the lennox icomfort wifi flex thermostat with equipment interface module eim will work with most 24vac furnaces, air conditioners, air handlers and heat pumps up to 3 stages of heat and 2 stages of cooling.
Lennox thermostat manuals it can sometimes be difficult to find the correct instruction manual for your device, particularly for older, discontinued models. The current wiring on the lennox still connected is rc, rh red, c blue, g green, o orange, e black, y yellow, w1 white. Unpacked the thermostat and open the case with a thinblade screwdriver. Mar 18, 2015 emergency heat, also known as auxiliary heat, is the second stage of heat that your thermostat runs on when the temperature is too cold for your heat pump to extract heat from the outside. Emergency heat mode in emergency heat mode, only the backup heat source provides heat the heat pump is disabled. Usually it is in the form of electric heating provided by the indoor unit. Lennox 5500 touchscreen thermostat is a stylish addition to any house. This thermostat supports heat pump or non heat pump units, with up to two stage heat pump and two auxiliary stages or two stages of heating and two stages of cooling. Em heat emergency heat bypasses the first stage of heating any stages of heat pump heating and goes directly to the heat stage used for maximum heating to more quickly warm a very cold house. After the selection is made, the system mode button will display the selected manual option e. Page 1 homeowners manual icomfort wifi thermostat 2014 lennox industries inc. Identify the problem and its causes, and fix the device the tables cover the entire range of issues that can be eliminated manually, or with wifi connection. Then, by placing the thermostat s set point above the current temperature, emergency heat will energize until the thermostat is satisfied. If outdoor temperature is above the high balance point, only the heat.
Each manual is present in the form of a manual and mentions the most widespread technical failures and problems. Have a lennox 51h4001 heat pump thermostat and would like to. This provides your lennox equipment reference information such as serial number and model number. Lennox l211407cc innovator, programmable commercial thermostat single stage. Heat cool allows the thermostat to switch between heating and cooling automatically. Thermostat 51m32 is suitable for non heat pump, single. Should i switch my thermostat to emergency heat if its. View and download lennox comfortsense 5500 user manual online. If you are not sure, always refer to the operating manual of your thermostat in your house before attempting to do any trouble shooting or replacement work. Jan 05, 2021 lennox thermostat manuals it can sometimes be difficult to find the correct instruction manual for your device, particularly for older, discontinued models.
If outdoor temperature is above the high balance point, only the heat pump will operate default 50f. Please help find the manual for this lennox international inc. Read this manual before programming the ther mostat. Electric heat only runtime includes time in defrost mode, auxiliary heat, emergency heat setting or if the heat pump is unavailable.
Find your owners literature, like product manuals, by searching your products model number. Other sources could be gas, oil, or hotwater backup systems as well. Lennox comfortsense 7000 series thermostat quick start. Also, the user can change the fan between on fan runs continuously. When the indoor temperature decreases or increases, the heating or cooling cycle will turn on based on the displayed mode. Trying to hook up a honeywell 6000 thermost, but lennox has to be different. In addition fan operation can be set to on, auto or circulate.
Heat following schedule inside m22748a fan selects onauto system selects heat off coolauto schedule enters scheduling mode holiday changes temperature. Sep 20, 2019 the emergency heat, or em heat, setting on your thermostat shows you when this auxiliary system is in use, and it can also be activated manually if your heat pump malfunctions or stops working altogether. Lennox icomfort wifi thermostat owners manual pdf download. 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. Emergency heat all heat pumps operating in northern climates below 35f 1. Refer to the installation manual for instructions regarding installation and wiring of the thermo. Emergency heat allows operation of a secondary heat source to reach the desired user temperature setting faster than heat pump. S lennox wireless pointtopoint connection to other icomfort s30 smart hubs in home. I should probably get a thermostat that has the emergency heat option. I can not see a way to force the gas furnace on any smart thermostat when there is a heat pump. In emergency heat mode, all heating demand is satisfied by auxiliary heat.
I keep the temperature set at 70 72 during the day and 68 at night. Home screen and system status icons icon screen text purpose auxiliary heat is only available with heat pump system. You can enter the model number, name or description. The program settings menu includes an option for manual.
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. Leave it in this position if you have a heat pump system or need emergency heat control. Read the entire installation section of this owners manual. Failure to observe these instructions can result in compressor damage or failure. Failure to observe these instructions can result in compressor damage or fai. Em heat heat pump systems only thermostat controls emergency heat and auxiliary heat. I am converting a lennox heat pump with emergency heat. With a lower price and higher quality features, it is one of the best thermostats. Switching your thermostat to emergency heat is you telling your heat pump this. Emergency heat mode enabled if the thermostat is in emergency heat mode when the. Indicators are humidifying, dehumidifying, cooling, heating, ambient lockout, emergency heat, cleaning air, transitioning to next schedule, load shedding and fan is. User manuals, lennox thermostat operating guides and service manuals. Read all of the information in this manual before programming this thermostat.
Update the replacement thermostat is now failing after 3 years. Two stages of heat pump heating and two stages of auxiliary back. Lennox thermostat user manuals download manualslib. The system is compatible with most hvac devices and is versatile in being programmable for custom comfort. This booklet describes the different types of heat pump systems presently in use.
447 507 1587 376 1216 1542 1165 551 59 1719 725 974 446 654 1571 61 66 1132 578 1014 746 1281 375 123 68 1429 1207 903 378 1149 1155 875 1075 734 1175