try upgrading it up to say 10/2 stranded and get a toggle switch that can handle 30amps wattage is useless when dealing with a switch cause you could have 360watts that the toggle can handle but maybe the manufacturer wanted 120v at 3 amps you know? This is the correct and expected test result and let's you know that the blower motor amperage draw is within specification. 2001 Chevrolet Blazer TrailBlazer 4-Door RWD. I thought I saw that, but will look. Time for a new fan resistor and blower motor IMO. A rule of thumb is that on high speed most motors will draw 70-100% of the FLA if it is moving the required 400 CFM per ton on residential systems. I have a Blazer that, one day the air stopped blowing. ), when loosening floor tiles with them, under trailers and crawlspaces, for long periods of time, thawing out pipes, etc. each gage wire has its own ampacity, like i said. The service tech that comes out twice a year says that I need to replace my furnace motor. It’s the trigger that circulates conditioned air throughout the home. I figure 10/4 would work since the total run would be about 30ft, correct? I give up. It is a … read more I think your blower motor is bad and the windings are shorting out. Copyright© The amperage draw, of your Dakota or Durango's blower motor should be under 40 amps. cigroller. At 120 volts, that's over 40 amps! I have a 4 speed 1/2 hp motor. Is there a way to check the motor out? Delhi Furnace Blower Energy Use • National Energy Consumption –0.6 Quads - 15 hours of world energy use - 10 days of U.S. oil imports –25% market share for good fans would save $2 billion + 1.2 million tons carbon each year • Barrier … I need some help. He said it had to go down the outside of the house in a conduit to the cinder blocks and then enter the house threw the block. (no 4 wheel drive), 2000 blazer no fuel gauge 4x4 and blower motor, 97 S10 blazer. A bad blower motor drawing too many amps would be my first guess. I made that obvious to all three. / how many amps should the fan blower motor draw on a 97 blazer. On average they draw between 300 and 500 Amps for average sized car engines 2 to 3 litre while on truck engines the current could easily reach 1000 Amps at initial turn over. Your explantation was most easy to follow and understand. Alternators can be 100 or 150 amps! If the amp draw is too high, the starter needs to be replaced. Does 105oC sound right? If that can't be achieved upto 0.075-0.1 can be acceptable if the vehicle is driven most days. The blower motor's amperage draw should be below: 1994-1997: 25 Amps, 1998-2003: 30 Amps. 0 0. You may freely link Not sure but it would be under 20 amp. The no-load amp draw will vary depending on the type of starter. The computer froze up on me again while website (Bill's site) navigating. waterboy. Your not going to find anothe motor that uses less electric and still move enough air in both heat and cool mode, to the point that it would save you enough to pay for itself in the next 5 years. We know that. I've been down this road before. I have a two door 2001 chevy blazer 6 cylinder LS with NO 4 wheel drive. 1) an inlet box that would be suitable (I saw this at Northerntool - [url]http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200220924_200220924[/url]) and; DC/AC is not different per say, so the voltage to current ratio stays the same, ...........................and your space heater at home runs at 12.5amps 1500w. Right, it is the *voltage* which makes the difference. Click to see full answer. After converting amps and volts to watts, the next step is to convert watts to horsepower. Thanks. 1600 watts on 12 volts is ONE HUNDRED THRITY THREE amps! If it’s completely dead, a quality jump starter for diesel should be at hand. Blowers in older furnaces generally employ single-speed permanent split capacitor (PSC) motors while many newer furnaces use variable-speed electronically commutated motors (ECMs). I want speed control for it. An ISO 9001:2015 Certified Company; Membership; Redeem Voucher; Pay Now; Home; About Us; International Exchanges; Domestic. Dombrus. The acceptable current draw should be around 0.03Amps. Morning all! Single-Phase Motors - HP and Full-Load Currents. Blower motor stops after about 20 minutes, but doesn't give an alarm code with no change in thermostat settings. Achhh. 1 Answer. People use hair dryers for many minutes, or even hours! I do not plan on using the generator to power the entire house - mainly well, sump and septic pumps and alternately fridge/freezer and a few lights. It is in the .001-.01 range. Every electric motor has a set Amp and voltage rating that the motor should run at. Does anyone know how many amps a blower motor draws on high speed for a kia reo 2004 - Answered by a verified Kia Mechanic We use cookies to give you the best possible experience on our website. Theoretically if you hooked your blower motor up to 120v your current draw would be less by a ratio of 10:1. 1600 watts on 120 volts is about 13 amps. Extending WiFi across yard to another home, Hot water heating system main pump burnt out, Need advise how to power HVC to 12kW portable generator. The code says a 1hp motor at 120 draws 16 amps that is only 1920 watts. Consider the cord ON the high watt hair dryer is probably only 16 gauge -14 tops. I have a B&S 5500 watt (8500 starting watts) generator I plan on using for emergencies. How Many Amps Does Your Vacuum Cleaner Use? July 6, 2016, 1:09am #6. There is no easy way - I’ve tried. All rights reserved. It seems to me to be working just fine. Fuel Injectors - 4 to 6 amps peak, 1 amp hold; Electric Fuel Pump (depends on pressure and flow) - 4 to 12 amps; Electric Cooling Fan (depends on the size and how it turns on) - 6 to 30 amps; Small bulbs (LED, usually in a new car for dashboard) - 0.04 to 0.06 amps per bulb The next step is to manually … I have a 12volt dc car fan heater blower motor. Not sure what model Dodge you have but usually the block is found under passenger side dash and is a 15 minute replacement. The blower runs at high speed, when it may normally run at med. ......so with your blower your 30a that its drawing is way above the wires limit. Thank you, Infante Will try your site tomorrow. I don't want this extra noise at all though. You need to be able to measure the amps … im guessing when your wires melted they melted at the terminal of the switch where you connected the wire to it correct? By continuing to use this site you consent to the use of cookies on your device as described in our cookie policy unless you have disabled them. As to the amp meter, 10 amps is useless these days! Motor was changed from 3/4 hp to 1/2 hp two tears ago. light on a 10 gauge wire, a 30 amp fuse would be required, yet never be needed to be called upon(for reasons of malfunction of the L.E.D.). How to … The FLA rating of the motor is 12 amps and the rated HP of the motor is 5 HP. The blower motor plays an extremely important role in forced-air systems. wontttell. Always check specifications and remember the bigger the engine, the higher the current draw. They would outlaw them, or redesign them, if there could be a problem doing so. For example, let’s find the current draw in amps of a 1 horsepower motor that runs at 120 volts with a 90% efficiency. Rediculous!!! Since electric meters measure in watts, I thought that is the real issue. Enjoy summer heat and natural beauty with all your equipment, fishing rods, and tents. The other two electricians didn't seem to have a problem running it threw the stud bay as it is now. Say - Bill, I will come back later after work and read your sites, especially the wire gauge one!. View our Privacy Policy here. Hope this helps and enjoy the life off grid. How do you measure current? LearnMetrics. Website operating No need to worry though since permits WILL be pulled. That's like asking how many amps does the memory preset's on your radio draw. The Max Amps on the furnace plate says 8.5. … What section of code covers it? I believe the heat rating is on that brown wire. That THAT represents the total current draw. Amps run at 5 to 6 amps. I need to know how many foot pounds per square inch for torquing head bolts to the block. July 6, 2016, 1:09am #4. An 1.5hp motor should have 1125W of output or shaft power, but depending on motor efficiency, it will consume more than that (more than 9.375Amps). Also, many times, when you turn the stat fan switch to on. © 2021 CarGurus, Inc., All Rights Reserved. How do I convert to floating walls in Colorado. July 6, 2016, 1:09am #5. how many amps should the fan blower motor draw on a 97 blazer. 1983 - 2012 Ranger & B-Series - Current Draw of A/C Cabin Air Blower Motor? If it is a gas furnace (which it sounds like) then it is 120 volts so that is only 2400 watts. I think I need to use PWM. The easiest test is to spin the squirrel cage, if it does not spin easily you may have a problem. Re: blower fan motor amps « Reply #11 on: Aug 21, 2011, 07:40:18 AM » First the switch melted, say a year later, the wires from the motor to the plug melted that goes to the wire harness, that was like a 5 inch run from the motor. Content submitted by Users is not endorsed by CarGurus, does not express the opinions of CarGurus, and should not be considered reviewed, screened, or approved by CarGurus. or the fuse would blow. There is no stipulation on how long you can run them for. Not about to have the computer freeze up again. No air blowing into the cab. Answer Save. Any info about this matter will be appreciated. at a time, like a space heater( I run mine for hours with no hot wires! Install a weatherproof generator inlet on the outside of my garage and run one cable to the basement electrical panel. The amps from a battery at 12v is 10 times the amps at 120v so your coffee example would be 30 amps at 12v not 3 amps. E f =Efficiency. .....wattage stays the same you could change the voltage all you want and it would still stay the same. Does anybody know how many amps a car's heater blower draw? This is the way the current feed is ran. Relevance. Low cranking speed and low current draw indicate excessive resistance in the starter circuit. And that is from the breaker size not the actual current draw. Meanwhile, during a long trip, the battery may run down. How many amps does a 1 1 2 hp motor draw? 240 x 10= 2400 Watts but you … How many amps does 1 phase 220volt 7.5 HP draw? Also, can anyone suggest a specific model of: I personally have two different clamp on amp meters and both read 20amps peak at start-up and 7.8 amps constant. Get your answers by asking now. Can tire changer from Harbor Freight handle my truck tires? Content will be removed if CarGurus becomes aware that it violates our policies. I've been gathering a few quotes on getting a new service drop and meter socket put in and one of the electricians told me that you could not run SE cable out the back of the meter socket, down a stud bay and into the basement. Amps = 1 HP × 746 W 120 V × .9 Amps = 746 120 V × .9 Amps = 746 108 Amps = 6.9 A . 563 Great Deals out of 17,655 listings starting at, 1,123 Great Deals out of 62,287 listings starting at, 1,044 Great Deals out of 60,877 listings starting at, 656 Great Deals out of 48,198 listings starting at, 398 Great Deals out of 14,585 listings starting at, 363 Great Deals out of 16,516 listings starting at, 942 Great Deals out of 49,010 listings starting at, 417 Great Deals out of 20,025 listings starting at, 29 Great Deals out of 1,495 listings starting at, 22 Great Deals out of 819 listings starting at, how many amps should the fan blower motor draw on a 97 blazer, how do I change the window motor on a 2001 blazer, How many pounds per square inch for torquing head bolts to the block on a 2001 2 door 6 cylinder Chevy Blazer? That would need a circuit with something like #4 wire and about a 50 amp breaker. Record the reading and compare it to the FLA listed on the motor. (I saw this at Northern - [url]http://www.northerntool.com/webapp/wcs/stores/servlet/product_6970_200196574_200196574[/url]) Then, the switch will work fine. Favorite Answer. Ignition System (primary circuit) - 6 to 20 amps. Asked by ronsonias Dec 23, 2015 at 05:53 PM about the 1997 Chevrolet Blazer 4-Door RWD. motor boating; off-road trails driving or racing. Read the amp draw of the blower motor. I agree with Kris even a small 3000 watt generator should run your furnace without even grunting. The voltage should remain at or above specifications (~10 Volts) while cranking the engine. Forget the house wire size. I read that PWM will make my motor have a buzzing sound. It is in the .001-.01 range. All information is provided "AS IS." It has been doing that. To do this requires the meter socket to be relocated on a different wall moving the breaker box and consequently a much higher bill. And I do not know how many amps is uses or how many watts it is. Amps can range from .01 to 20 amps or more. - Hello Folks, Do any of you know what the Current Draw of the A/C Cabin Air Blower Motor is for the 1998 - 2011 Rangers? DoItYourself.com®, founded in 1995, is the leading independent or the … BTW - you CAN continously run the hair dryer. The dial for ac to heater seems fine as well as the fan speed dial. STEM with Tim About 90 Marketing May 1, 2017. Voltage can be 120 volts, 240 volts and 460 volts. Click to see full answer 1 Answer. Furnace blower motors and condensing fan motors Amp draw are checked to see if they are Over-Amping or in some cases Under-Amping. Common Horsepower to Amps … PTAC units require a dedicated circuit. Electrical, AC & DC. I will scrunch my body down under the left corner of the dash and see if I can see it. Yet you do fuse it 30amp, if 10 gauge is used. Wire doesn't care so much ( within reason ) about the applied voltage...it is all about the AMPS. By logging into your account, you agree to our, Before I begin, here is the kicker: I asked for and got for Christmas a seemingly nice digital test meter(DC) for cars, including amps testing capability, from micro to full amps. Since it has a 220 30A outlet I would like to do the following: 1 decade ago. Then I would have an electrician wire a transfer switch to the main panel. If the motor… I am direct wiring a pump with 230V wire on its own circuit. 2) a manual transfer switch? Let's take a look at your amperage draw test results: CASE 1: The amperage draw of the blower motor is below the Amps specified. 188,935 Report; Rowefast answered 5 years ago Not sure but it would be under 20 amp. With a lot of your stuff packed into the truck bed, you can feel homey. to this site, and use it for non-commercial use subject to our terms of use. Thus, the current in amps is equal to horsepower times 746 divided by the voltage times the efficiency η times the power factor. High current draw and low cranking speed indicate a faulty starter or possible engine problems. suggestions. If the nameplate is missing, then the amp draw … Next. This information will be listed on a name tag on the motor. How many amps can a multimeter handle? I don't want to mess with conduit so what size cable would I need to run? Check the amp draw against the manufacturer's fan performance data to verify the airflow that the fan is producing. Please refer to CarGurus Terms of Use. If you ran say ONE L.E.D. DC/AC is not different per say, so the voltage to current ratio stays the same, your blower is fused at 30 amps so that means it could be drawing 26-30 amps i would say (for the question im sticking with 30a). Fuse size is meant to protect the wire. Questions of a Do It Yourself nature should be How many amps will the motor draw if the technician increases the blower speed from 400 to 475 rpm? 1995-2018 MH Sub I, LLC dba Internet Brands. If it is fused at 30 amps and it is not tripping, that is most definitely cause the wire cant handle the amperage going through it, whats happening is the wire is producing excess heat from having too much current travelling through it. Furthermore, how many amps does a 1.5 HP well pump draw… … If a pulley of the correct size is placed on the motor to increase the blower rpm from 400 to 475 rpm, the motor amperage will increase from 8 amps to 13.39 amps. What are the rules governing running of SE? problems contact webmaster@doityourself.com. Thanks frankiee. Join Yahoo Answers and get 100 points today. more fan watt draw • Heating: less gas used • Cooling: adds a kW of heating to a 5 ton air conditioner • Contributes to electricity peak problem. Still have questions? Hp to Amps calculation formula, DC, AC, 3 phase, 2 phase, 1 phase: I DC =Direct current. Thanks Rick. But you are saying that whether AC or DC, what is making the wire hot is really ONLY the amps? A blower motor is drawing 8 amps. How many amps does a 1 HP 3 phase motor draw? I found 230.6 which talks about when the conductor is considered outside the building but doesn't address raceways that are not concrete and 230.7 which tells me nothing else can be in that raceway but the SE and bonds/grounds. I skimmed all of 230 but didn't find anything obvious so I'm asking you guys first before deciding which route to go. Thank you. Ask Question + 100. Knowing how to troubleshoot and diagnose … The kicker is, the range only goes to 10 amps!!!! Agree, see post #17. The math works for all of the 12volt appliances but you need to normalize your 120v appliances to 12v to get an accurate draw on your batteries. He said that it is pulling too many amps. Thanks in advance!!? What is difference between RLA and FLA? home improvement and repair website. submitted to our "DoItYourself.com Community Forums". How do you check amps with a multimeter? If you read the 18.6A from the plate (seems to be a nominal value to me), then your motor is probably with too much load, that is, you are demanding too much from the motor in terms of load. A good starter will normally draw 60 to 150 amps with no load on it, and up to 250 amps under load (while cranking the engine). How much amperage does a three foot base booard heater draw? How many amps does a 60 hp motor draw? Bill, I have to get off line soon. The combination of volts and watts. The most common causes of high no-load current after a motor is rewound are incorrect winding data and stator core damage. Or heat guns that are used continously - what wire gauge size are those? The portable devices are compact, … Electronic Equipment and Computers, Amazon.com: Sheffield Research/GTC CM600 AC/DC Amp Clamp Digital Meter - 600 Amps: Automotive, Wire Gauge Amps Ratings for 12 volt Automotive Systems, relays continuous duty 12 volt & 24 volt DC power relays,starter relays, 98 Gran Prix blower motor not fnctioning at all, AC Blower doesn't work on low and mid speed. Question type: Maintenance & Repair. We welcome your comments and $&%^#%!!@. So if the blower was designed to deliver a specific flow rate at your calculated motor power, but the flow control element is misadjusted (or not there) and is moving just 109% of normal air flow, that will increase the load on that motor to 132% of your calculated amp draw as you are experiencing (although I'm not quite sure how you are calculating what the amp draw should be). Thanks for the help. The fix to this might be to eliminate the resistor block bypass and use the factory switch and wiring. Report; Follow; Asked by ronsonias Dec 23, 2015 at 05:53 PM about the 1997 Chevrolet Blazer 4-Door RWD. From low to high, It ranges from about 5a to somewhere near 15-20. These may have worked for a model T, but these days it is common to see 15, 20, and 30 amp fuses on a vehicle. Thanks!!! This would give you back all fan speeds and easier control. can you provide instructions on how to replace window motor on drivers side?

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