What would cause a condenser fan motor to run backwards?
Your capacitor is too small. The new motor you list requires a 10 MFD capacitor to run at 240 VAC. Since the OEM capacitor in the unit is only 5 MFD, the new motor will randomly run backward and it will run with far less than its rated HP. Also, you should connect the new motor to run on LOW (red wire).
How do you change the direction of a condenser fan motor?
Quote from the video:
Quote from Youtube video: Your disconnect and then discharge your capacitor holding only the insulated part of the screwdriver. And discharge all of them just to the shape. You got to do is separate these.
How do you reverse an air conditioner fan?
Quote from the video:
Quote from Youtube video: Bolt everything back together when you. The normal application these wires will not be here. Put everything back together put the bolts back in where they go you have just reversed.
How do you balance an AC condenser fan?
Quote from the video:
Quote from Youtube video: Now you see what I've done I put a screw there. Now that's screw I just picked one of the fan blades to do it on it doesn't necessarily mean it's going to be the right place for it.
Which way does a condenser fan spin?
At the compressor/condenser unit, air should enter the cooling fins and drive out through the fan. When the condenser unit was first turned on the fan ran clockwise – in the right direction. But when the high speed kicked in the fan motor came to a stop then started to reverse direction.
Can a AC compressor run backwards?
I have just discovered that the Copeland single phase scroll type compressor installed in many AC brands have a tendancy to run backwards if power is interruped. I personally have caught a Trane, Carrier, Heil, and a Goodman unit compressor running backwards. I discovered it on a weekend service call.
How do you determine the rotation of a blower motor?
Fan rotation is determined by looking at the fan from the drive end. The drive end is is the side of the fan housing through which the fan or motor shaft protrudes. For DWDI or Arrangement 3 SWSI fans, it is the side of the fan housing at which the belt drive sheave is mounted.
How can you tell which way a motor turns?
Quote from the video:
Quote from Youtube video: The direction of rotation is usually written as a code. The code describes whether the motor rotates clockwise or counterclockwise defined from either the shaft end or from the lead end.
Which way do fans go in winter?
Clockwise
Summer = Counterclockwise; Winter = Clockwise
In the winter, the fan should spin the opposite direction: clockwise. This spin direction makes the blades create an updraft, sucking cold air up and forcing the room’s warmest air (remember, heat rises) downward toward the room’s occupants.
How do you rebalance a fan?
Quote from the video:
Quote from Youtube video: Start by turning the power. Off you're then going to loosen the canopy cover screws. And pull the cover down to expose the mounting bracket screws tighten the screws. And replace the cover.
How do I balance my fan blades?
Slide on the Ceiling Fan Balancing Clip
The ceiling fan balancing clip will balance the fan blades, eliminating the wobble. Slide the balancing clip on the trailing edge of any blade, halfway between the holder and tip. Run the fan to check the wobble.
How do you balance a fan motor?
How to Balance a Fan
- Step 1: Align the Blades. …
- Step 2: Compare the Blades So They Can Be Ranked Heaviest to Lightest. …
- Step 3: Make the Blade Weights Equal. …
- Step 4: Move the Blades As Far From the Motor As Possible. …
- 1 Person Made This Project!
- 4 Comments.
How do you know if your fan blade is out of balance?
Turn on the fan to determine if the wobbling had improved or worsened. If there is no improvement, turn off your fan and move the clip onto the next blade. Then turn the fan back on and see if this is the blade that is unbalanced and if it isn’t, repeat on all your blades until you find the one that is unbalanced.
What is trim balance?
Trim balance is the final balance procedure done to a spindle after assembly and during full speed testing. This is procedure is necessary for two reasons. One, often additional components are attached to the shaft after assembly into the housing.
How do you balance a fan impeller?
Impeller Balancing involves adjusting the impeller that zeros out unbalance and eccentricity. To balance a single plane imbalance, weight needs to be evenly distributed. In a two plane unbalance (also known as couple unbalance) it is corrected by adding two correction weights equidistant from each other.
What is impeller imbalance?
Symptoms of an Unbalanced Impeller
An indication of unbalance is vibration as the rotation is no longer smooth and bearings are worn prematurely. This in turn causes an increase in noise. Hence, the most recognisable symptoms of an unbalanced impeller is a rise in vibration and noise from the fan.
What is balancing in impeller?
Balancing is the procedure by which the mass distribution of a rotor is checked and, if necessary, adjusted in order to ensure that the vibration of the journals and/or forces on the bearings at a frequency corresponding to service speed are within specified limits. In practical terms, balancing corrects unbalance.
What is dynamic balancing of impeller?
Dynamic balancing is an important concern during the repair of most rotating machinery, including pumps and electric motors. Failing to detect and correct excessive imbalance at this stage can undermine repair efforts, allowing persisting vibratory forces to attack bearings and deteriorate machine foundations.
What is residual unbalance?
A residual unbalance is check to verify that the rotor is balanced correctly at each plane. This not only proves that the rotor is balanced, but it will verify that the machine is working properly.
What is static and dynamic balance?
dynamic balance. Static balance is our ability to hold our body in a specific position and posture while dynamic balance is our ability to maintain balance while moving our body and walking. In static balance the body remains stationary, and the centre of mass is over the base of support.
