Another measure is can you put your hand on it. Is that normal? The Electrical Apparatus Service Association (EASA) has a great article that discusses how to determine if your motor is truly running hot. A pool pump motor uses insulation classified as level ‘B’ that allows the motor’s internal temperature to reach up to 256 degrees. Use a product such as electric motor cleaning spray to flush dirt out of the motor. Older Motors In general, the old NEMA U-frame motors ran cooler than the today’s T-frames, mainly because the insulation systems were not as good, so the motors were required to run at much lower temperatures. I don't remember the pump getting super hot last summer. They insist this is okay. This is a 30-year old Bryant furnace that has never had the blower motor replaced, so this appears to be death by natural causes. Renault 5 Prototype: All-electric return of a hot-hatch legend Stephen Edelstein January 15, 2021 Comment Now! SAVIOR HEAT Gloves for Men Women, Electric Heated Gloves with Touch Screen Battery Operated Gloves for Motorcycle Riding Hunting Ski Cycling. “More than 97% of an electric motor's lifetime cost is for the electricity it uses to operate. Relevance. This is a valid concern, since excessive motor winding temperatures can greatly reduce the life of the motor winding. If the motor starts and runs normally when disconnected from its load but has trouble starting when re-installed, the problem could be … the motor is thermally protected means when motor gets too hot it opens a breaker inside the motor. If the automatic protector is not tripping and the actual running amps do not exceed the maximum amps on the nameplate, the motor is not overheating. I found that the blower motor was extremely hot . The motor seems to run very hot, too hot to touch. Anxiety can also flare up electric shock sensation. The motor or battery should not become too hot to touch. If it is too hot to touch, then the blower motor is overheating and it is time to replace it. It's got hot but not to where I couldn't touch it. 4.3 out of 5 stars 246. The electric motor gets too hot to touch. Motors can reach up to 200 degrees before bearings can begin to breakdown, so 115-200 degrees is a safe “hot” temperature for your motor. For its latest electric concept car, Renault looked to the past. Under normal operating conditions the motor end of the pump is hot enough that you can barely touch it - but not searing hot. It has been running pretty hot since I posted my last reply. Electrical wiring is an electrical installation of cabling and associated devices such as switches, distribution boards, sockets, and light fittings in a structure.. Wiring is subject to safety standards for design and installation. Single phase three phase induction motor ac induction motor ac electric motor ac motor price brushless ac motor ac synchronous motor induction motor price Clutch brake motor ≡ Open menu. The ultra hot motor is mounted directly against a rubber ring (you can see it in the motor replacement instructions) and bolted to a plastic fan housing which can melt and burn. Rings and watches: When working around electrical equipment, first remove rings and watches to reduce the risk of electric shock. The electric motor will got almost too hot to touch after it has been running a while. So should I pay to have another installed because it runs hot or not. Electrical motors will feel hot to the touch even under normal conditions as most run at an ambient temperature of 40 degrees C, which is over 100 degrees F. This will feel hot to the touch. 8 Answers. Motor is too small for the application. (could not touch for more than a second) I let it cool down and turned the system on and the motor ran fine, but became hot again. The Pump Sounds like Rocks Are in It . I am used to this size motor being hooked up to 3-phase electrical. A bit of smell too, but no smoke. The motor is an Emerson 3/4 hp, Model# C55CXKLR-5005. Until then, it is just like running current through a length of copper wire (short circuit). If it's necessary to touch electrical components in such a location, a trained electrical worker uses a dry ungrounded platform such as boards or a wooden ladder. Automation & IIoT; The hot topic of motor temperature. I tested the dual-run capacitor and it checked out fine. These design criteria show that even if a motor feels hot, it may be fine (see sidebar, below). In a T frame motor with Class B insulation, the extra 25°C of thermal capacity (Class B compared to Class A) accommodates the higher temperature rise associated with the smaller T frame motors. Don't stand on a wet floor. I let the motor cool overnight and switched it back on, and it started fine, let it run for about 2 mins, and then felt the motor, and it was building up heat again. The question is how hot is hot. I've only owned the house for a year. All electric motors run hot and pool pumps are no different. The thickness of the wire determines how hot it gets. 99. Company. Under normal operating conditions, the motor end of the pump is hot enough that you can barely touch it — but not searing hot. This can cause severe pain accompanied by extreme sensitivity to touch. $172.99 $ 172. Waste Heat Electric devices that have motors use electric current to create electromotive force. Bruce K. 1 decade ago. A hot motor can and will burn you. I can feel the hot air blowing out from the pump from it's ventilation, but it is hot to the touch. Voltage checks out at 120V. Inducer motor hot to the touch Inducer replaced by my contractor. The noise has been gone for a week now, BUT the exhaust blower still feels HOT to the touch. Many electrical appliances are intentionally designed for the internal wires to get hot; examples include an iron, heater, hairdryer and even light bulbs. It is important to make sure the motor you are using has been properly sized for the application, environment and duty cycle it will be performing in. All motors get "hot." If you check your pool pump motor and find that it is far too hot to be able to touch with your hand this is not a good sign. Another reason for the electric shock sensation can be muscle inflammation that compresses nerves. The chief enemy of an electric motor's insulation system is heat, so you want to be sure the motor … Favorite Answer. He has left us with the option of replacing the Fasco A202 exhaust blower now, but didn't really act like we should or shouldn't. Place your hand close to the motor without touching it and sense the heat. Do you think the motor will last and should two smaller pumps have been used since only a single-phase was available? That's why there is always a high 'in-rush' current when a motor starts. That heat transfers through all metal components on the compressor, including the copper tube. If you are checking an indoor blower motor, be sure to disconnect the power prior to checking. Electric motors are hot and pool pumps are no different. Answer Save. Contact us today, and get reply with in 24 hours! When I take temp readings with my infrared thermometer, my taco's are usually running about 195F with 175F water... My grundfos's run 175F with 175F water. Motor is old, probably from the 40’s or 50’s, pics to follow shortly. Still seems to be running fine. when motor cools down it will come back on. This is caused by the positive and negative wires touching other. I opened it back up, and found that my blower motor was very hot, which is what caused my original motor to seize. ••• … A lot of the calls we receive at Burford are from customers concerned about their electric motors running too hot. I assume that's because there furnace exhaust passing thru it. 5658 W Fillmore St Chicago, IL 60644 +1 (708) 356-3979. info@ebikeling.com A plug that is hot to the touch, however, may pose a danger to you and your home. Having then removed the protective cover from the motor to investigate it became apparent that the motor was too hot to touch with my bare hand. Class B insulated motors have a maximum operating temperature of 130 degrees Centigrade (266 degrees Fahrenheit). There is additional fuel available since the heat exchanger core is also plastic; Presto -- … It's a replace motor on a sta rite pump. Any measurable change in its efficiency can significantly affect operating costs, a big concern for end-users,” says Linda Raynes, CAE, EASA president and CEO. For example: you see lights dimming when your fridge compressor motor or washer motor start up. I noticed when the furnace has been running for awhile, the motor (cylinder portion on the photo below) gets rather hot to the touch. Some standard Lincoln Electric motors are also capable of PWS, YDS or both as indicated in the following chart. View Profile View Forum Posts View Forum Threads Professional Member* … But how hot is too hot for a pool pump? Motor is dirty or damaged Every 10-15 runs, remove, clean, and lubricate the motor. Overloading, high or low voltage, or high ambient are the most common causes of motor overheating. Any electric motor that is being asked to operate equipment whose forced exceed the motor's rated capacity will run hot and will ultimately burn-up, or fail to start. I have concerns about the life of the motor as well as this being a safety risk (burns) and a fire hazard. Motor windings do not build up resistance to current until the motor is actually turning. It wont burn you but is quite hot! If it smells of burnt something or other when you shut it off and get your nose in the area, it's too hot. The first test is simply whether you can touch the motor or not. Electric shock sensation is a feeling that might feel like an electric shock traveling throughout the body. Is this normal for it to feel HOT? check the v-belt for cracks, slick sides on belt, the belt should ride about half way on motor pulley. What Kind of Sensation Can You Experience? Have let the furnace blower run with air venting below the A coil to be sure it was not loading the motor. Of course a motor running at a temperature above 40 degrees C can be an indication of a problem with the motor. There are many factors that cause motor issues, but here are six reasons your motor may be overheating: 1. I have replaced the control board, motor and cap, put in new filter, checked A coils for plugging and they are not. Get it by Tomorrow, Feb 18. Anything above 115 degrees Fahrenheit is going to register as hot to the human touch. then it is possible that the motor is running too hot. WAD wrote:I have a Hayward Super Pump 1.5hp.The pump is about 3 years old. The motor will start when it has cooled down, then stops running as described above. Inspect the following to help determine the cause. I used WD-40 on the wheels. DOGBOY . 10-13-2014, 02:46 PM #2. After running, the motor is too hot to touch for more than a second. But once I put a piece of wood in, that sucker got too hot to touch within about a minute of turning time. TIP: A running motor that is too hot to touch is not necessarily overloaded. Motor ran cool with nothing attached, and then with the belt on the empty lathe. 2. Last source is the heat from the friction within the moving parts of the compressor head itself.