how to check amp draw on a blower motor

mourer July 07, 2022 amp , blower , draw , on Comment

Read the amp draw of the blower motor. How do you check amps on a blower motor.

Blower Motor Resistor Operation

Next connect the metal.

. Would anyone be able to provide me with the current specifications for the heater blower motor in a 2005 Chevy Silverado. If your volt meter has a DC amp option you can check it with thatalthough many meters will not go above 10 amps. Open up the blower compartment of the furnace or air handler.

If it will go high enough you can insert the meter on the. The amperage draw of your Dakota or Durangos blower motor should be under 40 amps. HOW TO MEASURE BLOWER MOTOR AMP DRAW.

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. There are a few things we can learn from this chart. As it ages and wears out it will eventually use 40 or more amps.

I just replaced the resistor because one of the wires. It draws about 15 more amps on medium speed and another 15 amps on the highest speed and yes the speed does increase. We used three different meters a fluke 377 a fluke T5-600 and a Klein equivalent to a Fluke TPro and the voltage read about 400 volts leg to leg A-B B-C and A-C.

For measuring the amps on ECM motors you need a true RMS meter so if you did something wireless you would need something like the the Fieldpiece SC57 or the Fluke 381. On the name tag of the motor the amps will be indicated. Then run the motor and find the positive and negative terminals.

This is found in the. Depending on the furnace electrical components. A rule of thumb is that on.

Stop running the blower continuously or. When this happens this excessive current draw will blow the blower motor fuse or destroy the blower motor. Blower Amp Draw - YouTube.

Have the blower motor wirewired so that continuous fan operates on low speed. First check the amperage draw that your motor needs. The current draw when its running is 12 amps.

Amps run at 5 to. Then prepare your multimeter to get amps. Generally Its possible to get up to 20 amps or more for the.

To interpret the meaning of an amp draw reading you need to know the capacity of the blower motor thats turning the fan. First at the highest fan speed setting the motor is drawing under 20 amps which is much less than the 25 amp rating of the. Blower motor stops after about 20 minutes but doesnt give an alarm code with no change in thermostat settings.

Motor was changed from 34 hp to 12 hp two tears ago. Disconnect the blower motor from its electrical connector. Record the reading and compare it to the FLA listed on the motor.

The amperage of a gadget indicates how much electricity it consumes. Check the amp draw against the manufacturers fan performance data to verify the airflow that the fan is producing. This will be great in allowing you to determine if the amp draw on your compressor is causing your breaker to trip.

Therefore the fan will work harder and the amp draw will be higher than it would be under normal operating conditions. I also included the amp draw test for the.

Blower Motor Resistor Operation