compressor fan DIRECTION ????
#1
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compressor fan DIRECTION ???? >>> UPDATE <<<
I alway thought that the outside fan on the compressor was supposed to blow air in your face as you look down into the unit, it seems that mine sucks air in from the top and blows it out thru the coils, everything is working fine, compressor starts and runs while unit runs and shuts off normally.....am I missing something ????
some unit info :
GE 1/4 hp
BAYMOTR306AA ....I would guess model number
skcp39kf L021BS...not sure what these numbers are ?
the label on the fan motor shows ROT ----> ( I would take it as rotation ) ----> so I see that as counter clock wise, I know some motors are stamped CW or CCW , ut this has none.
my question is ?? is it ok for the motor to spin this way ??
regards....Mark
some unit info :
GE 1/4 hp
BAYMOTR306AA ....I would guess model number
skcp39kf L021BS...not sure what these numbers are ?
the label on the fan motor shows ROT ----> ( I would take it as rotation ) ----> so I see that as counter clock wise, I know some motors are stamped CW or CCW , ut this has none.
my question is ?? is it ok for the motor to spin this way ??
regards....Mark
Last edited by rentprop1; 04-25-06 at 10:06 AM.
#2
hmm sounds backward lol
rent if this is a typical rudd/carrier/york/goodman/heil/etc on and on residential unit with top discharge condensor fan outlet the fan is operating backwards and efficiency level for removing heat is greatly diminished. I have seen cases where a replacement condensor fan has been installed and the rotation was not set correctly. (probably in your case also) not sure of that exact motor but 90% of these have a couple of plug together type wires to swap, to get proper rotation, there should be a wiring schematic on side of the motor doby itself. Note: you may have to pull the motor from its carrier to be able to see the schematic.
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but of the fan motor only rotates in one direction CCW, like stamped on the fan motor, what should I do, we just bought this house about 6 months ago, we ran the heat pump all winter that way, and now we are using the A/C, everything seems to operate normal....what are any re-percussions if I just ignore this, if I have to replace the fan motor ?? why could I not just let this run for the time being......the a/c is only running for 5-10 minuets about 4-5 times a day right now till it gets hot, money is tight and If it really isnt broken, just less efficient ???
unit is a Trane, and its a residential Home top discharge
thanks for the reply
unit is a Trane, and its a residential Home top discharge
thanks for the reply
#4
oh you will probably be ok just be sure to thoroughly clean the inside of the coil cuz now junk is being pulled from the outside and pushed into the fins on the inside of the unit where it is hard to clean. The compressor life may be shortened a bit due to higher head pressures but hey its hard to stop a trane right lol.
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this may sound stupid, but would it help to put an old peice of screen or something over the top to stop leaves or whatnot from getting in, or would this restrick the air flow even more that I want to ??.....coils are clean I hit them with the power washer about 2 weeks ago...thank for the tips
#6
nah you want nothing restricting the airflow, if you restrict airflow the units condensor coil may over heat and unit will shut down on high pressure this will only happen when you need it most "the hotter days" Do a thorough coil cleanin twice a year and NEVER EVER have the unit running when you are cutting grass or weed eating in close vicinity. Good Luck
#9
Flipping the blade will NOT reverse the airflow. You need to reverse the motor rotation (preferred method), or buy a new fan blade with reverse pitched blades.
Good luck
Good luck
#10
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A fan will start backwards if the wires are connected to the capacitor wrong. If it has been doing this since you purchased the house then the prior owner could have botched the motor replacement job.
You need to find the wiring diagram and determine if the wires are connected incorrectly or if the motor is actually turning the wrong direction. One indication is that if it is turning the wrong direction it is probably turning a lot slower than it should.
If the wiring is right and speed is good, and the motor is turning the wrong direction (and is not reversible) then you need to get a new fan. Your diminished efficiency is costing you more than a new fan or maybe even a service call would cost.
You need to find the wiring diagram and determine if the wires are connected incorrectly or if the motor is actually turning the wrong direction. One indication is that if it is turning the wrong direction it is probably turning a lot slower than it should.
If the wiring is right and speed is good, and the motor is turning the wrong direction (and is not reversible) then you need to get a new fan. Your diminished efficiency is costing you more than a new fan or maybe even a service call would cost.
#12
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calm down
If the motor has an arrow and ROT written on it, it's not reverseable. If its not rotating the right direction the motor is shot. Otherwise, replace the blade only, they are about $30-40 retail. If you decide to replace the blade, remove the setscrew and hit it with penetrating oil a few days before you attempt to replace it. You remove the setscrew only to penetrate the middle of the shaft, then replace the set screw. WD 40 does well. Spray it several times. When you replace it, sand the shaft smooth and apply never-seize on the shaft before sliding on the new blade. When your done, wipe the top clean and apply a small dab of RTV or silicone to prevent water entry between the shaft and hub.
Don't pound the blade on. If it doesnt slide on easily, file and sand the shaft till it does. Pounding on the motor shaft will mushroom the shaft and damage the bearings.
The data you will need to know is the bore size, pitch, number of blades, diameter and the rotation relative to the motor shaft facing you. If you remove the existing one and bring it with you to the supply house, and explain to them you need the opposite rotation, they will match the rest for you.
You can do it! If you post a picture we can tell you the blades rotation
Don't pound the blade on. If it doesnt slide on easily, file and sand the shaft till it does. Pounding on the motor shaft will mushroom the shaft and damage the bearings.
The data you will need to know is the bore size, pitch, number of blades, diameter and the rotation relative to the motor shaft facing you. If you remove the existing one and bring it with you to the supply house, and explain to them you need the opposite rotation, they will match the rest for you.
You can do it! If you post a picture we can tell you the blades rotation