It works similar to heat, but instead of running the heater, this mode runs the air conditioner. Its a problem with the fan speed. What is the formula for calculating solute potential? How do you clean a silver chain that turned black? It doesn't mean that your thermostat won't cool or heat up the room or the area; it means that your thermostat will go into delay mode after every minute or two. Check if the heating unit is in good condition of operation and that clearance around the appliance is according to the manufacturers specifications. control the heating system but, although The second stage is the full capacity of your system. with the Truth! SA. Heating Offers Say the . Faulty thermal sensor. They use a little plug of wax inside a sealed chamber. You go to check the temperature and lo and behold, a suspicious code flashes across the screen of your thermostat. 1 What does Stage 1 and 2 mean on my thermostat? You should also replace the HVAC unit's air filter, check it for refrigerant leaks, and clean the vents. metals expands more than the other so the whole strip bends very White Rodgers 1 F 78 thermostat troubleshooting White Rodgers BNP125 thermostat troubleshooting White Rodgers P200 thermostat troubleshooting Pay Invoice, Copyright 2019 HELP!! We use cookies on our website to give you the most relevant experience by remembering your preferences and repeat visits. The circuits feeding furnaces, air conditioners, and heat pumps are either 120-volt or 240-volt, and they should never be worked on while the circuit power is on. Why does a White Rodgers thermostat reset itself? The reason for the delay is to ensure that components like the compressor dont become overwhelmed and wear down quicker. This one works slightly differently to the mechanical one in the top photo. When filters get clogged, they begin to restrict the flow of air through your AC. This type of HVAC system uses a compressor with a reversing valve to provide both heating and cooling capability. However, the HVAC system itself will be turned off. They also recommended setting your thermostat at 82F at night. Its a maintenance reminder that you should have your system inspected and cleaned to keep it running efficiently. The thermostat has a built-in 5 minute delay to protect your equipment. A thermostat is a device that reacts to temperature to open a valve, or turn on a switch. You just pick your desired setting and let it run. The result is that the AC doesnt cool your indoor air effectively. The Nest Thermostat is compatible with 2 wire low voltage HVAC systems that are either heat only systems or cooling only systems. Typically, this setting starts with you selecting your preferred range of temperatures. If its a battery-operated thermostat, its triggered when someone turns the system off and back on. If the heat works intermittently contact the furnace manufacturer or local HVAC service person for assistance. It'll probably stay in the mode for about 3-5 minutes and then start . Possibility of a bad contact. The system is either on or off. Air Conditioning Maintenance: Why Help Air Conditioning Says, STOP the Dirt!. The thermostat that is used to control the heating and cooling (HVAC) system in your home is a low-voltage device that is easy enough to replace. Why is there message "Delayed" on the Nest, Reasons, why the Nest thermostat is not cooling. Help!! It can even send alerts to your local heating and cooling company if you set it up to do so. Dirt, pet hair, pollen and dust can clog your filters. Abbreviation of account. a/c (plural a/cs) Abbreviation of account. For the RC, it powers the cooling system. 2 Why does my nest say heating in 2+ hours? What does RC and RH mean on a thermostat? Necessary cookies are absolutely essential for the website to function properly. Quieter Comfort. View and Download Hunter Thermostat owner's manual online. Coupled with room Can I use a Nest Thermostat with only 2 wires? Run an additional 18-5 thermostat cable up to the new two-stage thermostat. The aux heat indicator on your thermostat lets you know when this is happening. Find the most effective option with our review of the best sealants for, Is your mental or physical well-being suffering from poor lighting in your home? If you have the UV Light Kits that Help!! Mechanical thermostats use this idea (which is called thermal expansion) to switch an electric circuit on and and off. Our bodies are amazing, self-regulating mechanisms that can constantly adjust to keep their temperature within a whisker of 37C (98.6F). 2 What is Stage 1 and Stage 2 on a heat pump? 1. What does Stage 1 and 2 mean on my thermostat? Cool mode is primarily used to avoid overheating in the summer, fall, and spring. Also check to see if your vehicle has a Radiator Outlet Temp Sensor located on the Lower Radiator Hose. Initialism of air conditioning. This system uses an electric heating element along with a fan and ducting. Functional cookies help to perform certain functionalities like sharing the content of the website on social media platforms, collect feedbacks, and other third-party features. This mode is not quite as common as others, but it does show up on a few smart thermostats. When the strip is hotter, it bends and breaks the circuit, so no electricity can flow. What does thermostat mean? Regardless of how hot or cold it gets, your thermostat will not start up your air conditioner. Required fields are marked *. What-does.net is your comprehensive online definition dictionary. A 2-Stage Furnace is a Condensing Furnace that has two levels of heat output: Low Output at about 68% of full heating capacity, for relatively mild days. D Indoor unit coil outlet temperature sensor or connector of sensor is defective. This one is marked in degrees Celsius. When the strip gets hot, one of the Depending on the system the Honeywell thermostat is controlling, there are certain codes that may appear. Health, Infertility, Pregnancy. Can heat pumps use existing ducts as well? These cookies help provide information on metrics the number of visitors, bounce rate, traffic source, etc. What is Stage 1 and Stage 2 on a heat pump? Something can trigger this short cycle two ways. You also have the option to opt-out of these cookies. Connecting a set of thermostat wires is fairly easy if you know what the terminal letters stand for and what each terminal controls. This cookie is set by GDPR Cookie Consent plugin. Yes! When you visit the site, Dotdash Meredith and its partners may store or retrieve information on your browser, mostly in the form of cookies. This cookie is set by GDPR Cookie Consent plugin. 1. a regulator for automatically regulating temperature by starting or stopping the supply of heat Familiarity information: THERMOSTAT used as a noun is very rare. Sort. Ensures the desired temperature is reached by the designated program schedule time, Do you want to be reminded when it is time to change the air filter? As the temperature increases, the wax melts, expands, and pushes the needle out of the chamber (yellow arrows). Abbreviation of account. S.A. Situational Awareness + 1. Auxillary heating has been turned on. This mode is also convenient because it does not require you to spend a lot of time fiddling with your settings. Semen Analysis. modern word Feeling too hot? You may wonder if a fresh coat of paint will increase the number of potential buyers interested in your, If you have a broken or burst pipe, you need a good solution ASAP. If the thermostat gets its power from the AC system, it will start a delay process any time electricity goes off. Articles from this website are registered at the US Copyright Office. This guide will explain everything you need to, A toilet is a complicated plumbing fixture with numerous moving parts and mechanisms. 20+ meanings of SA abbreviation related to Medical: Medical. If you lower the thermostat so it's set more than 20 lower than the current outside temperature, the AC won't be able to reach its target temperature. Honeywell has been a prominent name in the temperature control industry for decades. The heat pump will cycle on and off at low speed first stage for the majority of the year, until it gets really cold or hot out and needs to jump to high speed second stage to keep up. 1/3 compressor capacity is the 1st stage. But people are often confused by the system by which the low voltage wires are labeled, which can look different in an old thermostat than it does in a new one. If you want to get into the Configuration Menu, you have to have the thermostat in heat or A/C. 1. The circuit is on and so is the heating. How do I know if my furnace is 2 stage? What is SA meaning in Medical? Your email address will not be published. CFS- This common code simply translates to Call for Service. Just like your car needs oil, your thermostat also needs the occasional tune up. Instead of changing your thermostat from auto to on to combat temperature swings in your home, the variable speed system handles that . Diagnostic: Set SYSTEM Switch to HEAT and raise the setpoint above room temperature. What does a C No mean? "bridge is down", the strip carries electricity through the Select Settings . As the temperature increases, the wax melts, expands, and pushes the needle out of the chamber (yellow arrows). Why Is My White Rodgers Thermostat Not Working? How to Adjust a Thermostat's Heat Anticipator, How to Wire a Line-Voltage Thermostat for a Baseboard Heater, Choosing the Right Thermostat for Your Furnace. Almost all digital thermostats have some sort of battery indication. Heating system requires service or thermostat requires replacement. The display has low contrast when heating is on. A smart thermostat is a step up from a programmable thermostat, as it typically allows the user to program desired settings and it connects to Wi-Fi for more advanced features and functionality . About No matter what system you have, a Honeywell digital thermostat needs to be told how and what to control. cools, the strip cools too and bends back to its original shape. It is always best to refer to the guide specific to your thermostat. Temp HOLD is displayed when the thermostat is in a Temporary HOLD mode. 2. Larry Campbell is an electrical contractor with 36 years of experience in residential and light commercial electrical wiring. To reset the filter replacement code, simply touch the "dismiss" button on the screen. SA Medical Abbreviation. document.getElementById( "ak_js_1" ).setAttribute( "value", ( new Date() ).getTime() ); 2023 Friar's Heating and Air. This protects the compressor from short cycling and causing possible damage, such as premature failure. RESULT: Compressor voltage protection. SA means supply air and shock absorber. circuit switches on and off. It's not always clear whether you have to upgrade to a two-stage thermostat when you install . Press the house button on the right of the thermostat. The other error code that you may hope to never find is the 173 code. The flame symbol on the THR140 thermostat means there is a demand for heat. 1. Sometimes used as AUX/Emergency heat with a heat pump system. American thermostats Robertshaw are an excellent option for your home arrangement. Robertshaw basic thermostat troubleshooting Robertshaw SlimZone Premier thermostat troubleshooting Check thermostat wirings. What impact can gender roles have on consumer behaviour? Some new thermostats require no more than two wires and will work fine if the extra wires are left unattached. SA. If you suspect the hold setting is on, look at your thermostat screen and check if it says Permanent Hold or Temporary Hold anywhere on the screen. Instead. Unlike other modes, Eco mode does not ask you to pick a specific temperature. Just remember that extreme temperatures can damage your home or harm pets, so be cautious about using off. If "wait" is in the screen or "cool on" is flashing - wait 5 minutes for the system to safely respond. Should You Paint a House Before Selling It? This is done by programming the thermostat not scheduling the times and temperatures of a day schedule but actually programming how you want the thermostat to react to your specific system. Running the AC will gradually remove excess moisture, helping to lower humidity in the house. Depending on the system the Honeywell thermostat is controlling, there are certain codes that may appear. But there are a few other things your thermostat might be trying to say. Indoor Air Quality This mode allows you to control your heater or furnace. Thermostats have a wax filled copper housing or cup called a "heat motor" that pushes the thermostat open against spring pressure. An LCD display shows indoor unit status, room temperature, clock, and error codes. We know 500 definitions for SA abbreviation or acronym in 8 categories. Probably the most crucial setting on your entire thermostat is the temperature setting. Off is a fairly self-explanatory mode, since it shuts your HVAC system off. Programmable thermostats and Wi-Fi thermostats are convenient home appliances that make it easy to save money on your energy bills with preset temperature changes throughout the day. Your house could be cold due to an old air filter, a faulty furnace, improper insulation, or leaky ductwork. SA Military Abbreviation 16. Information and translations of thermostat in the most comprehensive dictionary definitions resource on the web. Fan mode can be useful when you want increased ventilation but are happy with your current temperature. Page 25 LO BAT 70 indicates the current setting of Press M T W TH F SA SU HEAT COOL 86 : 70 68 the thermostat is 70F. Suggest. You see, when a filter becomes clogged with dirt and debris, it restricts the amount of air the AC can bring into the indoor unit to be cooled. A battery replacement done by a professional can be pretty pricey not to mention easily preventable. [Accessed (Insert date here)], Animation: How a wax thermostat works. 2-stage conventional cooling will have wires leading into the Y1 and Y2 terminals. In practice, a thermostat like this doesn't switch on and off at a single temperature but cycles between a small range of temperatures either side of the value you set. IF your 323i has the N52B25 Engine with MSV80 DME, that "2EF7" Fault Code is PROBABLY (depending upon your engine & DME) for "Open-circuit" in Themostat Heater Control Circuit, per BMW Fault Code Lookup Definition & Fault Information Link . These cookies track visitors across websites and collect information to provide customized ads. Try to imagine an engine without a thermostat. However, many people wrongly assume they should use EM heat when the temperature drops to sub-freezing. When the strip is cool, it's straight, so it acts as a bridge through which electricity can flow. Once you are sure the pilot light is on, release your pressure on the reset button. Get the best of House Method in your inbox. Author of the blog (work in a car repair shop) Created: 2022-09-05 17:27:12. (water is a notable exception: it expands when it heats up and when it freezes too). Check the presence of an air stream or a heat source near the thermostat, and correct the situation. and money and do your bit in the fight against global But your thermostat is trying to tell you something! When the room warms up, the gas in the bellows expands and forces the discs apart. Your email address will not be published. reduce the flow of water through the radiator until the temperature falls back down again. An account number is a unique identifier of the owner of a service and permits access to it. 1st stage is more efficient than 2nd stage, but systems are designed to use both stages, so no worries there. A digital thermostat can be overwhelming to those who are used to the old, round mercury thermostats. The second stage is the full capacity of your system. It allows to conduct timely diagnostics of an appliance and remove defects. That means the gas bellows has to expand more or less to turn the electricity on or offeffectively raising the temperature at which the switch triggers (and the room temperature). Being established by a group of Emerson engineers, the company has produced thermostat products since 1936. Carefully move the unit to a drain location, remove the bottom drain plug and let the water drain away. It may not feel like it now, but chilly weather is fast approaching! This forces the piston outward to open the thermostat. Your thermostat determines when the auxiliary heat gets energized. If your programmable thermostat is not adhering to the normal schedule by making temperature changes throughout the day as you have it set, its time to troubleshoot. wax thermostats. These nine signs are possible indicators that, Fear not if your toilet is backed up and youve realized that you dont have a plunger. The two most common types use bimetallic strips and gas-filled bellows. THERMOSTAT (noun) The noun THERMOSTAT has 1 sense:. (FLTR), Select ON to provide protection to your Heating and Cooling Systems compressor. Key Takeaways. Description The KSACN0401AAA is a wired wall mounted controller for wall mounted mini splits. What does SA stand for in Medical? However, if the low voltage wires touch each other during the work, the system's internal fuse will blow. System On +2 indicates when a second stage is energized. it's probably marked in The simple fixes, like replacing an air filter, are relatively easy to complete. Some newer Honeywell digital thermostats are smart thermostats. A hold setting on a thermostat allows you to override the previously established temperature-programmed settings. Many furnaces have safety devices that shut down when a lock-out condition occurs. We also use third-party cookies that help us analyze and understand how you use this website. Clean the flame sensor with a steel wool pad and replace the air filter every 1-2 months. This error also requires replacement of the thermostat because without a temperature sensor, the thermostat cannot function. Off mode is mostly just useful for times when you want to guarantee your HVAC system will not run. Most thermostat wires operate on 24-volt power provided by a transformer, and they are generally safe to work on without shutting off the circuit feeding the thermostat wiring. Yes No ASME = American Society of Mechanical Engineers ASPE = American Society of Plumbing Engineers ASHRAE = American Society of Heating Refrigeration and Air Conditioning Engineers ASL - Above Sea Level ASTM = American Society for Testing of Materials ATC = Automatic Temperature Control ATM = Atmosphere AWH = Automatic Water Heater AV = air vent (UK) These thermostats, including the T6 Pro Smart series, can be connected to your home's Wi-Fi, allowing access to your heating and cooling system through the Honeywell Home app. Two-stage heating means the furnace has two levels of heat output: high for cold winter days and low for milder days. Performance cookies are used to understand and analyze the key performance indexes of the website which helps in delivering a better user experience for the visitors. Dictionary entry overview: What does thermostat mean? 4 Can I use a Nest Thermostat with only 2 wires? The most important thing to remember is that the unit should respond to any temperature adjustment even if it displays 88 and all the lights are on. Some AC technicians suggested users install a double booster voltage stabilizer to solve such problems. While some smart thermostats can tell you if theres a problem, most regular thermostats will simply remind you when its time to check for possibly system failure. If you love your programmable thermostat and want to take your home to the next level, consider a smart thermostat from Four Seasons. both to save energy You can find out more about our use, change your default settings, and withdraw your consent at any time with effect for the future by visiting Cookies Settings, which can also be found in the footer of the site. These cookies will be stored in your browser only with your consent. However, it will not heat or cool air usually. Do you want temperature displayed in ?C (Celsius) or ?F (Fahrenheit). No matter what your thermostat tells you, dont ignore the code! quite irritating); depending on how The Eco mode is simply an energy-saving option. And replacing one is a very common project, as homeowners swap out older thermostats requiring manual adjustment with newer programmable thermostats that change temperatures automatically at preset times. What is SA meaning in Military? Usually, there are 4 time periods: Wake, Leave, Return, Sleep. Many thermostats use the same principle, but the strip is usually just a short length of two metals. AUTO means that the fan turns on automatically only when your system is heating or cooling air. A digital thermostat can be overwhelming to those who are used to the old, round mercury thermostats. Is it broken? The Honeywell RTH8500 series has a 405 code indicating that the battery is getting low, and you have a month or so before anything will happen. This app can send alerts to your phone or email. When the radiators heat up to the level you've set, the wax valves expand and well-insulated your home is, and how cold it is outside, it might by Chris Woodford. Advertisement cookies are used to provide visitors with relevant ads and marketing campaigns. All rights reserved. 6. Its best to troubleshoot all of these issues before reaching out to a technician, as it may save you time on repair costs. Usually the thermostat will show 00, a phantom zone, dim way down, or even go blank. The average system relies on you, the owner, to understand its coded language and give it a regular maintenance check to avoid future hassles. To stay safe, this code is typically set for annual alerts, to let you know you when its time to replace your bulb. Privacy Policy. Some may set it in the mid-60s range, while others may have their heat in the 70s or even 80s. If the thermostat clicks, contact the furnace manufacturer or a HVAC service person to verify the heating is operating correctly. By keeping home humidity below 60%, you can slow the growth of mold. This way, you can be certain that you are correctly analyzing the error code shown on your thermostat's display. TRV = Thermostatic Radiator Valve. Your furnace may be blowing cold air because the filter is too dirty. Some thermostats may use other names for off, such as manual. A single-stage air conditioners compressor only works one level of operation cooling your home at full blast. The thermostat has a blown fuse. When the thermostat light (Emergency Heat Light) flashes or turns on during normal operation (whether in cooling or heating mode, but not Emergency Heat mode), it's usually a sign that the outdoor unit is "locked out." When you see the light flashing, a code appears. Thermostat Setting & Thermostat Thermometer Disagree. changes more quickly using a pair of metal discs with a gas-filled bellows in between. It is a secondary heating system backup for heat pumps in case your primary heating system fails or can't keep up. Which is correct poinsettia or poinsettia? Harahan, LA 70123, Air Conditioning Perhaps the most common cause of AC issues is clogged filters. The second stage is the full capacity of your system. What impact can gender roles have on consumer behaviour? 2-stage conventional heating will have wires leading into the W1 and W2 terminals. When you take a look at your thermostat, you may notice that it switches between various modes and settings. However, once you locate this button and press it, your thermostat should immediately return to the regular programmed schedule, and you should quickly feel the air conditioner or heat turned on in your home. When in Emergency Heat mode your heat pump compressor will not be activate. Sooner or later, it snaps back into the circuit and makes the 1. control the temperature with a thermostat Gas-Filled bellows cold due to an old air filter, a faulty,! Thermostat from Four Seasons reset the filter is too dirty use cookies on our website function. Always clear whether you have to upgrade to a drain location, remove bottom! Track visitors across websites and collect information to provide visitors with relevant ads marketing... Compatible with 2 wire low voltage wires touch each other during the work, the cools! Along with a gas-filled bellows electric heating element along with a reversing valve to customized! Systems that are either heat only systems or cooling only systems or cooling air this common simply! Not start up your air conditioner conventional heating will have wires leading into the circuit is on used as heat... Too and bends back to its original shape chain that turned black and settings makes the 1. control the control... As the temperature and lo and behold, a Honeywell digital thermostat can not function hotter it! What is stage 1 and stage 2 on a thermostat allows you to spend a lot of time with... Triggered when someone turns the system the Honeywell thermostat is in a repair! Toilet is a notable exception: it expands when it freezes too ) do... Is energized the room warms up, the strip cools too and back! Hvac system will not be activate usually just a short length of two metals to verify the system! Some new thermostats require no more than two wires and will work fine if extra! Tells you, dont ignore the code if my furnace is 2 stage system! Silver chain that turned black, fall, and spring LCD display shows what does sa mean on thermostat. Need to, a phantom zone, dim way down, or on! Work fine if the thermostat, and pushes the needle out of the owner of service. Short cycling and causing possible damage, such as manual and translations of thermostat is... Fan and ducting at full blast what does sa mean on thermostat complete it gets, your thermostat determines when the room warms,! Touch the `` dismiss '' button on the THR140 thermostat means there a. The blog ( work in a Temporary HOLD mode Conditioning Perhaps the common. All of these cookies notice that it switches between various modes and settings error! Why is there message `` Delayed '' on the Lower Radiator Hose ( Celsius )?. Energy-Saving option protection to your heating and cooling capability there are a few things... Is called thermal expansion ) to switch an electric circuit on and off... Time electricity goes off Leave, Return, Sleep thermostat clicks, contact the furnace manufacturer or local service... Of metal discs with a fan and ducting is always best to refer to the new two-stage when. And what each terminal controls bridge is down '', the company has produced thermostat products since.... To mention easily preventable and do your bit in the mid-60s range, while others may their... Range of temperatures on your thermostat is controlling, there are a few things... By keeping home humidity below 60 %, you can slow the of! Through the Select settings cooling systems compressor '' on the web definitions resource on the right of the blog work! To have the UV light Kits that Help US analyze and understand how you use this.! Keep their temperature within a whisker of 37C ( 98.6F ) indoor status... Blog ( work in a Temporary HOLD mode professional can be overwhelming to who! Most crucial setting on a thermostat allows you to pick a specific temperature cookies Help provide information metrics... Makes the what does sa mean on thermostat control the heating appliance is according to the mechanical one the... S & amp ; period ; a & amp ; period ; Situational Awareness + 1 this (. To its original shape `` Delayed '' on the screen levels of heat output high! Y1 and Y2 terminals along with a fan and ducting around the appliance is according the... Company if you set it in the mode for about 3-5 minutes and then start of... Person to verify the heating harahan, LA 70123, air Conditioning Says, STOP Dirt. Thermostat lets you know when this is happening yellow arrows ) home humidity below %... Or later, it will start a delay process any time electricity goes off abbreviation or acronym in categories! Cold winter days and low for milder days is fast approaching let run. Fahrenheit ) touch the `` dismiss '' button on the web guarantee your HVAC system itself will stored! Your heater or furnace US analyze and understand how you use this idea ( which called... From short cycling and causing possible what does sa mean on thermostat, such as premature failure breaks the circuit, so it acts a... Used to avoid overheating in the fight against global but your thermostat from Four Seasons recommended setting thermostat..., such as manual light commercial electrical wiring quite irritating ) ; depending on the THR140 means... Understand how you use this idea ( which is called thermal expansion ) to switch electric! App can send alerts to your local heating and cooling systems compressor, rate. While others may have their heat in the fight against global but your tells. Visitors with relevant ads and marketing campaigns in between your entire thermostat is trying to you... Not run to mention easily preventable Delayed '' on the right of the chamber yellow... Phone or email result is that the fan turns on automatically only your! Goes off of AC issues is clogged filters thermostat cable up to so... Depending on the reset button heat only systems or cooling only systems may hope to never find the! Low for milder days, but instead of running the AC will gradually excess. Of experience in residential and light commercial electrical wiring dim way down, or ductwork. It 's straight, so it acts as a bridge through which electricity can flow you... Cookies will be turned off voltage wires touch each other during the work the... The mechanical one in the fight against global but your thermostat is not quite as common as,! Filters get clogged, they begin to restrict the flow of water the! Your current temperature it heats up and when it heats up and when it heats up and when heats! Of sensor is defective have to have the UV light Kits that Help! blowing! Repeat visits to opt-out of these cookies will be stored in your home arrangement causing possible damage, as! Why the Nest thermostat is trying to say on automatically only when your system what does sa mean on thermostat THR140 means... The screen have wires leading into the Configuration Menu, you may notice that it between... My Nest say heating in 2+ hours short cycling and causing possible damage such! Stage is energized is displayed when the strip carries electricity through the Select settings cookies visitors! Leading into the Y1 and Y2 terminals to open a valve, or turn on switch. A fan and ducting pet hair, pollen and dust can clog your filters 18-5 thermostat cable up to so. Get the best of house Method in your home to the old, round mercury.!, but it does show up on a thermostat is a wired wall mounted controller wall! Every 1-2 months preferences and repeat visits 1-2 months 2022-09-05 17:27:12 check the temperature setting engineers the! 2+ hours does not require you to control your heater or furnace excellent option for your home, the carries. Nest say heating in 2+ hours cools too and bends back to its original shape possible damage, such manual... When someone turns the system 's internal fuse will blow heat source near the thermostat thermostat also needs occasional... That the AC doesnt cool your indoor air Quality this mode is simply an energy-saving option Says STOP. Perhaps the most comprehensive dictionary definitions resource on the right of the of. And Download Hunter thermostat owner & # x27 ; s manual online this one works slightly to... To, a Honeywell digital thermostat can be pretty pricey not to mention easily preventable what is 1. What to control your heater or furnace uses a compressor with a heat?... System will not run you also have the thermostat can not function two and... Restrict the flow of water through the Select settings and let it run of output. Is simply an energy-saving option filter is too dirty thermostat allows you to spend a lot of time with! A notable exception: it expands when it freezes too ) thermostat wires is fairly easy if you it... Cookies are used to avoid overheating in the most common cause of AC issues is clogged filters ``. Cold it gets, your thermostat will not run we also use third-party cookies that Help US analyze understand... Is mostly just useful for times when you take a look at thermostat. And understand how you what does sa mean on thermostat this idea ( which is called thermal expansion ) to an. Forces the discs apart battery indication and and off is displayed when the thermostat in heat or cool usually! Uses a compressor with a fan and ducting shuts your HVAC system uses a compressor with fan! Useful when you want temperature displayed in? C ( Celsius ) or? F ( ). Best to troubleshoot all of these cookies Help provide information on metrics the number visitors! Time periods: Wake, Leave, Return, Sleep your Consent of mold manual online since it shuts HVAC...