No job is also tiny or as well huge for a snow blower. But with out mechanical brushes to align with specific windings, the manage unit needs to sense the position of the rotating magnet so it can switch on the present to every winding at the appropriate time. Blower motor failure also derives from a bearing wearing out, the motor breaking or wearing out, or the fan cage becoming obstructed. The cool coils can absorb far more heat, according to Denver air conditioning services. The air handling unit is also equipped with heat coils that warm the air, whereas an air conditioning unit relies on what’s known as a compressor and condenser. It is usually somewhere close to the bottom of your basement stairs – often in the ceiling, occasionally in the furnace space itself, and generally at eye level or slightly higher. Carbon monoxide is the other byproduct of improper combustion so a furnace exhibiting soot at the outside vent must be inspected and repaired Before getting operated once again. A generic blower motor could be significantly less costly than a brand-name component, but if your HVAC is covered by a manufacturer’s warranty, installing a generic part might void that coverage. Don’t forget: If the blower motor stops working, air is not moving by way of the method. Switch off the blower fan motor and sowing shaft motor. Once the temperature is once again at the level set on the thermostat, the electric circuit shuts down, the main gas valve stops the flow of gas to the burners, and the blower runs for a preset (this is adjustable) time period. When browsing for blower motors, maintain in thoughts that higher-speed blower motors are very best for air conditioning systems that require higher-stress fans, whilst low-speed blowers are meant for heating and air circulation. HVAC Blower Motor Resistor by 4 Seasons®. Maybe you can nurse the furnace along, if repair fees do not get as well high. In addition, by operating at a low speed for long intervals, these motors are more regularly circulating the air in your house than their single-speed counterparts and preventing cold spots. You might be in a position to alter the filter in your heating, ventilation, and air-conditioning (HVAC) method oneself, but you shouldn’t attempt to make complicated furnace repairs like replacing a blower motor unless you are quite experienced. So replace that broken blower motor with a new Delphi good quality 1. Furnace manufacturers say that these variable speed motors provide much better energy efficiency since they are in a position to operate at reduced speeds when suitable, thereby consuming significantly less energy than single-speed motors. Several problems you can also recognise of the heating program like filter, it is most sensitive element of the heating equipment because it straight get in touch with with the surrounding area so the dust and other particle entered it but it not passing into it, it trap in micro hole hence it commence to resist flow of air so you not got the warmth air inside the room so you need to clean suitable or replace with new, the house heating repair Monroe experts often verify the it or the clean correct by the pump or other tools and even it require to modify they can replace it. They also clean the entire space of the furnace type the dust and debris so you can get wholesome air inside the space. That is the 3 or 4 bladed fan that throws the snow out of the chute on a two stage snow blower. When the heat exchanger gets hot sufficient, it triggers the blower motor which begins. If the furnace’s blower motor goes negative, you’ll need to either repair or replace it. Opting for the latter sometimes isn’t the best choice. Some brushless motors, especially massive ones used in hybrid-automobile motors, use Hall-impact sensors to report rotor position to the control unit. The Blower Motor Resistor is an electrical element that is a portion of the vehicle’s interior heating and air conditioning technique. Dust construct up here will perform into the interior switches and furnace blower motor and will stop your furnace operating at top efficiency. Unit contains 10 foot hose, blower tip and connector, and filter for intake. An electrical transformer passes electrical energy to a contactor circuit, then lastly to the blower motor, which then pushes air via the vents in your HVAC unit. Inside of the box, the motor sits behind a heater core and air conditioning evaporator. Question: When we began to use our Carrier Comfort 80 a couple of days ago the blower came on but it never ever ignited the furnace so we have no heat.
When the time comes to replace HVAC program components, only use genuine, warranty-backed, OEM (Original Gear Manufacturer) components. At this point in time there is both peak pressure inside the cylinder, and vacuum in the exhaust which creates a larger pressure differencial and a more quickly evacuating exhaust gas. If the blower does not start or does not achieve the correct speed, it will need to be replaced. Sesuai dengan hukum induksi elektromagnetik Faraday, medan putar tersebut menimbulkan tegangan induksi (ggl) pada belitan rotor dengan frekuensi yang sama dengan frekuensi sumber tegangan. Replacing a furnace costs in between $2,000 and $six,000, which is considerably far more than what you’ll pay in repair fees. Furnace blower motor replacement cost begins at about $115 for DIY repair for a little, singe-speed motor. A heating technique filter with a MERV rating of 5 to 13, intermediate effectiveness, can filter little to large air-borne contaminants furnace filters with MERV ratings of in between seven and 13 are as effective as HEPA filters. Most other snow blowers have six forward speeds and two reverse speeds. A variable speed blower motor, even so, moves at distinct speeds to better handle the flow of air throughout your property. You will find that by using these gas furnace efficiency ratings you will drastically reduce the time you devote deciding on the ideal model for your residence. Contact us right now at 478-225-4921 to discover much more about replacing or repairing your furnace’s blower motor. Instead of a manage on the steering column, there is a board in the unit that you need to set up with the cool”, adjust”, heat”, and delay” profiles (switches, jumpers, etc, depending on manufacturer). Ahead of calling the mechanic for residence heating repair Monroe, you should to know little about the your own furnace or parts of it that majorly accountable for no qualitative perform, the filter, blower & Blower motor, thermostat, sensor, flame (in gas furnace) and switches. The blower motor resistor adjusts the quantity of present going to the blower motor based on the selected fan speed. To replace the motor, you will need to have to shut off the electric to the furnace and cut the wires to the blower motor. EEM stands for Power Efficient Motor so it is developed to be much more effective at heating and expense less. Most developing owners want to know the price of blower motor repair if achievable, they want to save funds. If the fan electric motor is powered, but the unit operation is unstable, there might be a number of reasons of the failure and techniques of eliminating it. Fan operation failures may possibly be caused by poor get in touch with in the fan sensor terminals, sticking brushes of the motor, or burnt out motor. Now these are sealed units so I had to soak the motor bearings in Gumout and then rotate the motor several times it did start off to loosen up and spin up to 5 rotations right after a tough spin. Avoid last-minute shopping trips by getting all your supplies ready ahead of time for this vehicle blower motor repair. In some instances, all that will want to be completed is replacement of the relay switch even so, larger troubles can outcome in the installation of a fully new blower motor. Electrostatic heating program filters trap airborne debris and dirt, but do not block items that trigger allergies from passing by way of the HVAC method and into your residence. Newer Craftsman snow blowers are produced by AYP or Murray. Blower resistors are used to control the speed of the interior blower. All Frontier Equipment single-stage snow blowers, as nicely as their smallest dual-stage units, use common Tecumseh Snow King engines. Washable furnace filters are sturdy, capture allergens, assure good airflow and have a higher MERV score. Although other problems could be the lead to, the blower motor could not be functioning effectively and could call for maintenance or replacements. A blower motor is also discovered vehicles , and is the portion of that technique responsible for pushing the hot air throughout your automobile when you are running the heating technique. Two-stage furnaces normally have multispeed ($$) or variable-speed ($$$) motors. Here are some strategies that can be followed even though repairing vacuum blowers. There are numerous components that have to work together to make certain the air-conditioning method is functioning appropriately and, with so numerous contributing components, it is clear the system need to only be serviced or repaired by a qualified technician.
By preserving correct CFM in cooling, and temperature rise in heating, we get the maximum efficiency out of the furnace and air conditioner. A certified HVAC skilled remains the best person to help you set up the right blower motor for your house. The massive difficulty here is the amperage draw may also overheat and burn the resistor and the control unit. If you haven’t had your furnace looked at by a expert HVAC contractor in the last 3 years its time to get in touch with a single in. There are four trouble spots that you should appear for when carrying out a Furnace Tune Up. The total expense to replace or repair a furnace blower motor will rely on the sort of motor, replacement furnace parts, manufacturer, labor charges, how accessible your furnace motor is, and whether or not it is nevertheless beneath warranty. Pruett Air Conditioning specializes in a selection of furnace installation, repair and upkeep services. The blower motor runs on a high quantity of amperage that is controlled by a switch in the climate handle center and a blower motor resistor. Prior to each and every heating season, clean the fan blades, verify the motor belt for put on and tear and adequately lubricate the motor. Otherwise, if your furnace is a lot more than ten-15 years old and requirements high-priced repairs, you may possibly want to replace it rather than pay for parts and labor out of pocket. Crown Automotive Heater Blower Motor J8126691 HVAC Blower Motor is a higher high quality product and one particular of the most well-known item in the market place. To return your furnace to its former, functioning glory, uncover a furnace repair specialist near you on Thumbtack. Frequent repairs may maintain an older, much less energy-efficient furnace functional for years beyond its expected lifespan. Motors should not be designed in such a way that a failed element can not be replaced. So, if you uncover that your heat and air conditioning can only go from becoming off totally to becoming on at high power it’s virtually assured that the dilemma is you have a faulty blower motor resistor. Air Filter: The air filter is an crucial component of the furnace. Conversely, some blower motors blow cold air when the air conditioning program is in use. The manufacturer or wholesaler of your heating system is the very best source for a replacement blower motor. The driver can manage the power of the interior blower. Although this is a hassle, you are in luck since PlumbersStock provides a wide selection of discount HVAC blower motors by Honeywell, Williams, Ducane, and a lot more. The repair expense is high – If the estimate is for $500 – $1000+, that money may well be far better spent on a new furnace with full warranty and the features , functionality and efficiency you want. A excellent HVAC business will suggest inspecting your blower motor 1st to ascertain regardless of whether it should be replaced. I cannot tell you how a lot of instances, back in the business, when we just dragged a bunch of frozen snow blowers into our warm shop prior to getting into the “triage unit” and that was all that was required to cure the issue. This single stage heating is dependable and an effective replacement to your old furnace to make your winters comfortable. HVAC Motors are created mostly for air moving and other light to medium duty applications such as fans, centrifugal pumps, modest tools, and office equipment. A brushless-motor blower can be operated at very low speed to keep air moving via the cabin with minimal effect on cabin temperature. Truck-mounted snow blowers take their energy from the car engine. The Blower Motor is a crucial portion in your cars air-conditioning method. A lot of contemporary HVAC systems have blower systems to make air circulation much more efficient. The replacement part can be conveniently purchased in our shop, and the repair in a workshop is not expensive. Throughout overlap – at the quite end of the exhaust stroke – the quantity of stress left in the cylinder is low so it is feasible to breathe in new air beneath atmospheric pressure, at the very same time, the higher velocity of the exhaust gasses exiting help draw in even a lot more fresh air from the intake side in an effect considerably like ‘syphoning’ exactly where the fluid (in our case air) flows as a continuous stream drawing in new intake air after the old exhaust gas leaves. Because they operate at only a single speed, these motors are making use of the maximum amount of energy when turned on. Pulse width modulation (voltage-on time) determines blower speed. As the air becomes thinner with increasing altitude, maximum obtainable horse energy decreases, reaching a point exactly where the throttle is completely open and rotor RPM is controlled by collective position.
They are usually single-speed or multispeed motors. To start, shut of the energy to the central air unit and turn the thermostat up. Remove the exterior metal grille if necessary, which is typically held on with bolts or screws. The handle board has a number of safety switches just before it goes to the furnace to preserve it from overheating. DIY or Pro Installation: It is going to take a furnace repair technician amongst 45 minutes and 90 minutes to replace the motor, clean the fan, adjust the motor, test it and place the furnace back with each other. Variable speed motors are also much more energy effective given that they can handle small temperature shifts, multi-speed units never use as considerably fuel to heat up bigger spaces. HEPA (High Efficiency Particulate Air) HVAC method filters. The tail rotor drive shaft also turns the principal transmission, delivering energy to the primary rotor shaft by way of a pair of spiral bevel gears. The replacement motor must also replace the capacitor, because Denver heat can actually kill. There are fundamentally two varieties of blower motor: the single-speed blower motor and the variable-speed blower motor. So, if a furnace should overheat-in other words, when the thermostat’s manage is no longer functional-the heat sensing switch keeps the furnace from running perpetually and overheating. If the airflow coming out of the vents is weak, it can imply that your blower motor is having a challenging time pushing sufficient air by way of the ducts to obtain your preferred temperature. Query: The furnace blower does not appear to be as powerful as ahead of. 2) Noise Level: Even although a Shindaiwa blower enhance the most strong motors on the market place, they carry out at some of the lowest noise levels. Ahead of you employ a contractor, get repair bids from numerous HVAC professionals. Note: Some snow blowers have a diaphragm carburetor, and regardless of style, must have a carburetor kit installed if you are disassembling. Water intrusion into the air inlet, high moisture in the air or a clogged cabin air filter will make the blower motor operate tougher, draw larger amperage and ultimately overheat. This type of repair can also be harmful since it includes electricity. Merely put, your blower motor is made to supply and distribute air for your residence. The snow blower manufacturer Hanson is credited for 1st introducing pickup truck-mounted snow blowers Hanson continues to be the only manufacturer actively advertising them. But ahead of you get in touch with a repair-person, very first make sure that your thermostat is not set so low that it isn’t signaling the furnace to make heat. Truck-mounted snow blowers are compatible with most plow mounts, including Meyers, Western, Fisher, and other frequent brands. Another safety handle mainly concerned with shutting off the combustion approach in case the indoor blower motor fails. If the blower motor of your HVAC program wants to be replaced, an HVAC organization can support you find the correct replacement model. You will need to have to account for: variety of drive, motor diameter, voltage, horsepower, speeds, rotation direction, size of the run capacitor (if required), and mounting technique when shopping for a replacement blower motor. Whilst the very first two faults are relatively very easily eliminated, in the latter case the motor is to be replaced. Mopar HVAC Blower Motor 1997-2006 Jeep Wrangler TJ, Cherokee XJ RHD – 4864956 is undoubtedly the ideal option for individuals who are searching for higher top quality product. The relay allows the fan a short delay to spool up prior to it begins heating or cooling. Even so, the noise characteristics of the blower are also taken into consideration, specially in situations where the blowers are utilised in HVAC systems. A educated technician can perform a thorough inspection of your blower motor and let you know if it demands to be repaired or replaced. To do that, where as the Bluewater unit is an 80w blower, and the replacement components are about $45.00. Before prices go up, purchase Crown Automotive Heater Blower Motor J8126691 HVAC Blower Motor now by following the hyperlink under. To enhance the lifespan and all round efficiency of your blower motor, you must regularly clean and sustain it. Over time, dust and debris clutter the filter, the bearings turn into stiff, and the brushes put on down from basic use. We can assist you decide whether you should replace your current blower motor and offer the exact replacement model or a appropriate universal model if needed.
Electric-powered blowers call for an electrical power supply supplied from an electrical outlet, through an extension cord. When the troubles of the switches or sensors then Furnace Repair West Monroe mechanic its adjust. These variables will figure out the price of a new furnace blower motor. Single-speed motors turn on when the thermostat indicates the interior temperature has dropped and turn off when that temperature has been reached. This is generally a sign that you want a blower motor repair or replacement. To take benefit of the heat from a fireplace, we advise a new blower installation for the greatest benefits. Read by way of your heating program operations manual and ask essential inquiries to make certain you are getting the exact heating and ac program filter replacement. The air conditioner blower motor is what turns the fan blades that result in air to move by means of the AC method. Even though fans provide air in an overall direction that is parallel to the fan blade axis, blowers provide air in a direction that is perpendicular to the blower axis. The all heating systems are the made by the many parts likes the blower, filter, thermostat, and sensor or the switches are key components of the systems and all are want to in to the far better circumstances or operating condition, but it affected by the debris, dirt or dust and sometime other difficulties are take location so the efficiency of it is decreasing and the bill of the fuel is rising and the other dilemma is that it not give the suitable heating in the room then require to heating repair. The blower motor of your HVAC technique does not create heat as an alternative, it blows warmth by way of the ducts designed by your heating method. When a expert repairs a big furnace with a potent variable-speed blower motor, expense can exceed $1,200. A lot of dirt and dust in your heating method can result in the blower motor to overheat. The motor has a shaft running by means of the center of it with the shaft on the left side driving the primary furnace blower and the shaft on the correct side driving the combustion blower. Several unusual sounds coming out of an HVAC system may possibly be indicative of a issue in the blower motor. The majority of cordless blowers are lightweight, because they require no cord or gas to operate. If filter is okay then possibility to the blower assembly faces the problem, the authorities open it and remove the rubbish type complete space, the blower motor sometime cease to move due to stick the dirt particle or it generate the annoying sound then it must need to the lubricating the motor. Then the fan manage board powers up the induced draft blower motor. If you do not feel any airflow coming out of the vents, it might mean that a issue with the blower motor has developed to the point exactly where the element is completely inoperable. If your furnace comes on and off also frequently, it might be due to the fact it has a dirty air filter that reduces airflow. Blower motor pulls air by means of the return ducts into the furnace or air handler. We have the fan components and furnace and heater components to keep your blower motor running at peak functionality. The most achievable factors for a furnace to not to perform can be: The thermostat is set as well low and hence heat is not generated the fuse controls the furnaces has tripped the valve by means of which the gas is passed by means of is blocked or closed the gas burners and the air filters may possibly be blocked the blower motor is not functioning motor belt wants oiling etc. Comparable to fans, blowers are also used to create air, but they only give air at a specified position. Cordless blowers, on the other hand, use rechargeable batteries and are more suitable for smaller sized regions because of their restricted operating time. A single Thumbtack pro and radiator repair specialist in Oakland, CA charges $179 to replace a blower motor’s capacitor but says he’s seen other firms charge closer to $250. If you can hear that your furnace is on and the fan is operating, but all you’re receiving is cold air, you probably have ignition failure. Bear in mind that blower motor is moving a lot of weight, thousands of pounds of air per hour and if you do not have the right quantity of return and provide air for the unit the motor can be put under a lot of added tension. Prior to picking this variety of heating program filter, read the operations manual to make positive a HEPA filter is correct for your HVAC technique. He referred to as up in a panic on a bitterly cold Saturday morning, possessing already named up a repairman and gotten an $800 estimate for an emergency weekend service get in touch with.
Rotor jenis ini sangat sering digunakan karena mudah dibuat dan dapat digunakan berapapun kutub pada stator. You would have accomplished a far better job had you, right after replacement of the fuse, utilised an amp clamp to verify that the blower motor was not drawing an excessive quantity of present. Toro’s 12 single-stage, dual-stage, and electric snow blowers offer you a 5-year warranty on their exclusive two-cycle RTech Engine. In a brushless motor configured as above, the windings are held stationary while the permanent magnets rotate, and voltage to each and every winding is pulsed on and off electronically with a manage unit. An air conditioning blower motor could be replaced by a stock motor that might not necessarily be of the same brand as the original. Any time I do a blower motor or have a blown fuse, I will usually verify the present draw just to be positive. A carburetor heat control is offered to supply heated air to the carburetor this can stop or cure icing, but also causes a reduction in engine energy output due to the fact the hot air is much less dense. Blower motors perform in 1 of two techniques: as single-speed or variable speed blower motors. Depending on the certain applications, other motors, such as single phase blower motors or shaded pole blower motors could be viable alternatives. A lack of airflow via the furnace’s interior vents could imply your furnace fan motor has seized. This procedure is then reversed in order to install the new blower motor and gasket (if applicable). DC Motors are utilised in several industrial applications simply because the speed to torque partnership is so versatile. A forced-air heating and cooling system relies on a blower motor to move the air. The start motors are usually for the compressor, interestingly a frequently replaced Denver HVAC element. This all-rounder” gives successful air displacement, dispelling heat and odours as a flat fan, or cooling electronics as a flat blower. In addition, the blower of the furnace is the principal compartment exactly where the cold air is heated, the blower consists the fan and the motor, and for the better work motor need to the lubricant and clean from the debris and for the furnace repair Monroe correct, open the blower with the all components and clean the space by the detergent and clean water, than clean the fan and open the motor clean it or lubricant. A search of furnace blower motors” must bring up several alternatives. If that’s the case it will continue to take out blower motors. If your furnace demands a new disposable air filter, you can remedy that that on your personal just refer to the furnace’s instruction manual. Now we get rid of all the motor wires from where they are attached to the furnace control board or fan center (we have labeled all these wires just before this). Reconnect the electrical connector and you’re car heater blower motor is back in business. Wiring is regular for nearly all blowers to make it easier to replace. A PSC motor is better than a shaded pole air conditioning motor, particularly in big massive-box HVAC systems. Jadi apabila ns = nr, tegangan tidak terinduksi pada rotor sehingga tidak dihasilkan torsi dan motor tidak berputar. Their 9 to 13 horsepower units use Briggs and Stratton Intek Snow engines, which are designed for overall performance in sub-zero temperatures, quick starts, and quiet operating. The blower motor is the fan that pushes heated or cooled air through dashboard vents based on the climate program settings and the fan speed chosen. In the cold weather our heating systems suddenly quit to function, it really headache task locate mechanics for furnace repair Monroe even so in our town numerous residence heating service contractor provide their job to the men and women, they have the expertise mechanic staff therefore they are capable to deal with any troubles of the systems, even much more they are provides their service 24 hours of week so you can contact them for repair it. A blower motor is a mechanism that allows HVAC systems to distribute heated air. It cuts off the main gas valve circuit, which stops the heat then the furnace unit cools by way of a blower motor. The furnace repair Monroe specialist person verify the all this with the digital tools therefore they can discover the true fault of the technique. You can purchase Mopar HVAC Blower Motor 1997-2006 Jeep Wrangler TJ, Cherokee XJ RHD – 4864956 correct now by following the hyperlink below. The blower motor controls on your automobile are worth keeping simply because they enable you to decide how much air is sent by means of the blower motor and into the cabin.
But without having mechanical brushes to align with particular windings, the handle unit demands to sense the position of the rotating magnet so it can switch on the current to every single winding at the proper time. Blower motor failure also derives from a bearing wearing out, the motor breaking or wearing out, or the fan cage becoming obstructed. The cool coils can absorb far more heat, according to Denver air conditioning services. The air handling unit is also equipped with heat coils that warm the air, whereas an air conditioning unit relies on what’s known as a compressor and condenser. It is usually somewhere near the bottom of your basement stairs – often in the ceiling, at times in the furnace space itself, and typically at eye level or slightly higher. Carbon monoxide is the other byproduct of improper combustion so a furnace exhibiting soot at the outdoors vent should be inspected and repaired Just before being operated once more. A generic blower motor could be less expensive than a brand-name component, but if your HVAC is covered by a manufacturer’s warranty, installing a generic part might void that coverage. Bear in mind: If the blower motor stops operating, air is not moving by way of the technique. Switch off the blower fan motor and sowing shaft motor. As soon as the temperature is once more at the level set on the thermostat, the electric circuit shuts down, the major gas valve stops the flow of gas to the burners, and the blower runs for a preset (this is adjustable) time period. When browsing for blower motors, preserve in mind that higher-speed blower motors are very best for air conditioning systems that demand higher-pressure fans, whilst low-speed blowers are meant for heating and air circulation. HVAC Blower Motor Resistor by 4 Seasons®. Possibly you can nurse the furnace along, if repair costs don’t get too high. In addition, by operating at a low speed for lengthy intervals, these motors are more regularly circulating the air in your home than their single-speed counterparts and stopping cold spots. You could be able to alter the filter in your heating, ventilation, and air-conditioning (HVAC) system your self, but you shouldn’t try to make difficult furnace repairs like replacing a blower motor unless you’re very seasoned. So replace that broken blower motor with a new Delphi high quality 1. Furnace makers say that these variable speed motors supply far better energy efficiency simply because they are in a position to operate at reduced speeds when suitable, thereby consuming significantly less energy than single-speed motors. Several difficulties you can also recognise of the heating program like filter, it is most sensitive element of the heating equipment due to the fact it directly get in touch with with the surrounding area so the dust and other particle entered it but it not passing into it, it trap in micro hole hence it commence to resist flow of air so you not got the warmth air inside the room so you need to clean correct or replace with new, the home heating repair Monroe authorities often check the it or the clean suitable by the pump or other tools and even it need to alter they can replace it. They also clean the whole space of the furnace form the dust and debris so you can get healthful air inside the room. That’s the three or four bladed fan that throws the snow out of the chute on a 2 stage snow blower. When the heat exchanger gets hot adequate, it triggers the blower motor which starts. If the furnace’s blower motor goes bad, you’ll need to either repair or replace it. Opting for the latter sometimes is not the ideal selection. Some brushless motors, particularly huge ones used in hybrid-vehicle motors, use Hall-effect sensors to report rotor position to the manage unit. The Blower Motor Resistor is an electrical element that is a element of the vehicle’s interior heating and air conditioning system. Dust construct up here will work into the interior switches and furnace blower motor and will avoid your furnace operating at prime efficiency. Unit includes 10 foot hose, blower tip and connector, and filter for intake. An electrical transformer passes electrical energy to a contactor circuit, then finally to the blower motor, which then pushes air via the vents in your HVAC unit. Inside of the box, the motor sits behind a heater core and air conditioning evaporator. Question: When we started to use our Carrier Comfort 80 a handful of days ago the blower came on but it by no means ignited the furnace so we have no heat.