The fan pulls air in, through the condenser. 5 5/8" EconoMaster 220V . Took out a 1/4 horse and put in a 1/4 horse. It has original fan motor. Evaporator coil is spotless. What causes low amps on a condenser fan motor? If a motor is drawing a very high amperage it is not unreasonable to advise a repair. An electric motor will get very hot when it is over Amping, possible causes are the Start Run capacitors. Condenser coil spotless. It can be simply labeled Amp or in some cases FLA (Full Load Amps) which is the max the motor is rated to run at. Have someone coming over in the am to help troubleshoot. Ended up buying a new unit. 22 comments. Wish I would have had your comment two days ago. Really at my wits end. Every electric motor has a set Amp and voltage rating that the motor should run at. 1.5 ton goodman unit, voltage is 253. amp draw on compressor is around 12. fan motor is 1/6 hp 1075 rpm, exact replacement fla 1.3 i'm running 2.0 and up, motor is going into thermal overload psc capacitor is new, so is the contactor. report. Not impossible for the motor to be defective that can happen. Will do. > > >>>Cooling mode and Suction pressure runs at 100 psi and head pressure runs at >>>115 >>>psi and can't get a super heat reading. The motor is rated F.L.A 1.5 and it is drawing 2.4 amps. 8 Reason a Furnace Will Not Work Fall and Winter Maintenance Tips, Our Picks for the Best Mini Split Air Conditioner. Thanks, Jesse!. I’m completely stumped but will heed your advice. Required fields are marked *. Motor Name Plate Rated amps is 2.8 Checked voltage going to motor … The condenser fan is a DC motor that is commanded 'on' and 'off' by sensors (high pressure cut-out switch, pressure cycling switch,etc.). So it will be a little while longer before we can start back on it. Ding ding ding. If the motor was rated for 1.8 amps, then that would mean the motor has a rating of 0.3HP (horsepower) which is a size I would expect for a small furnace. Learn how your comment data is processed. Amperage used to measure how much load an electrical device draws when in operation. The new motor has … Here is a picture gallery about condenser fan motor wiring diagram complete with the description of the image, please find the image you need. plate amp is 4.0. actual measured current draw … This one is a reality check on myself on trouble shooting here. Low amperage 12v fan + strong 12v power souce = good. The condenser fan may run longer, but that has nothing to do with the motor current. Take caution when measuring Amps or Voltage as HVAC has high voltage running to units. Description: Trane Xe 800 Condenser Fan Motor Wiring Help – Doityourself in Condenser Fan Motor Wiring Diagram, image size 453 X 600 px, and to view image details please click the image.. Kindly tell the forum what the culprit was when you get this sorted out. They probably replaced an 825 rpm motor with a 1075. Amps can range from .01 to 20 amps or more. It’s pouring down rain where I’m at. Checking the AMP Draw is important in HVAC for troubleshooting or testing for a potential problem. >>>Condenser motor amp look good, and just runs like a charm. To avoid defective motors get a megohmmeter. FREE Shipping by Amazon. Jesse Grandbois submitted this tech tip to help make it simple. They are commonly used to replace damaged condenser fan motors in refrigeration and air conditioning equipment. My meter show it draw 3.8amp. I cleaned the condenser coil for what seemed like hours with no luck. A condensing fan motor 230 volts 1.9 Amps Look at a fan like the 30102082 , it provides a higher level of cooling in most applications and it has a long life water resistant motor. The old fan was .7 Amps and thew new one is 3.5-4.0. proper voltage rating? Thinking I got the wrong motor in there. Get it as soon as Thu, Feb 18. The motor was a 1/10 HP and the only motor I could find locally with the same RPM was a 1/2 HP. Either one of them must be on the "fan" port and the other on the "common" port, along with one wire from the condenser. Rated for 2 Amps, it draws 3.35 Amps. The heat pump condenser fan motor, like the air conditioner motor, is direct drive to a propeller blade which pulls the air through the condensing unit coils. $55.00 $ 55. May have to decrease pitch on fan blades as last resort. Every electric motor has a set Amp and voltage rating that the motor should run at. The other lead will go were the wire was pulled from, putting the meter in the circuit. Fan pitch determines hp. Wrong RPM/horse power will overheat a fan motor. Whenever I change a motor or a compressor, I always change the capacitor as well. Btw it has been particularly stormy this week. That way you can bench test all windings. 4 wire connection. When a motor Over-Amps it is drawing more current then it was designed for which will shorten its life and burn the motor up. It has original fan motor. This fan does not have a sealed long life motor. Then I put it in >> >> I doubt changing the drier and the freon charge affected the >> fan motor amps. One of the wires for the 120 volts will need to be pulled out and placed on one lead. Leeson 3 Phase 5" Cap-Can - Clam shell . This information will be listed on a name tag on the motor. Motor speed is relative to fan pitch. We have a winner! Automotive fans are rated at 13.5 volts, and the rating is after the motor is at operating RPM. HVAC multi-meters are specifically designed and use often what are called Amp-Clamps, where a clamp is simply clamped around one of the wires the motor is pulling power from and it will display Amps. Data plate on Fan motor: 1/12 hp, 1050 RPM / 0.5 Amps. This is Turtle. I have a Amana 13 or 14 seer Heat Pump condenser Model # RHE-48-C2A / Cond. None of the above affect the condenser fan's current draw. Archived. TRADEPRO® - TP-C75-1SP2 Condenser Fan Motor 3/4 HP 208/230V 4.5 Amp 1075 RPM 1-Speed Item: TP-C75-1SP2 MFR: TP-C75-1SP2 What could be the reason for the over amperage? This is the most direct way that the variable-speed units save electricity, ... Read the amp draw of the blower motor. High amp draw on condenser fan motor? This one […] 60º-70º-80º Standard-Heatmaster-Ultra. I changed a condenser fan motor, nothing special about it. Also be aware of moving parts such as the fan blades. The motor could have a winding to winding short. 6 1/2" Diameter Motors Three Phase 5" MultiFit Motor . Take the black multimeter standard test lead and touch the white wire with it. View More Voltage can be 120 volts, 240 volts and 460 volts. How to wire a condensing fan motor for 3 vs. 4 wires is a common question by new techs. What causes low amps on a condenser fan motor? Didn’t think about windings. It worked. all connections are good. That one was 15 years old. Any Sub-Zero model listed below has a condenser fan motor that runs continuously. Any suggestions would be helpful. A correct multimeter needs to be used when measuring amps so as not to burn up the meter. This thread is archived. This site uses Akismet to reduce spam. It is susceptible to water, dust and other environmental issues like high ambient temperatures and high humidity. Thinking I got the wrong motor in there. This information will be listed on a name tag on the motor. 1. Furnace blower motors and condensing fan motors Amp draw are checked to see if they are Over-Amping or in some cases Under-Amping. Check the amp draw against the manufacturer's fan performance data to verify the airflow that the fan is producing. He left after about 15 minutes of cool and then about 15 minutes after that the outdoor fan turned off. You could flood a motor in one rainy day if you forget. If the tech who helped you replace the motor forgot to remove the drain that could be the issue.

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