21.03.2016

Outdoor ac unit fan motor video,lightsaber fan art 5sos,small porch ceiling fans quiet - You Shoud Know

Author: admin  //  Category: Big Ceiling Fans


Other compressor units such as those used in SPLIT SYSTEM AIR CONDITIONERS & HEAT PUMPS designs may mount the fan in a vertical position blowing out of the side of the compressor unit rather than out of the compressor top shown in our sketch. If the condenser fan is running you will see the fan blade spinning at speed (typically at 1725 rpm) and you will feel air blowing out of the unit. Watch out: as we explain at BURNED-OUT COMPRESSOR, if the condensing unit fan is not working the compressor itself may shut down or even be ruined by overpressure or over temperature.
Also see NOISES, COMPRESSOR CONDENSER where some noise problems include fan noises that may help diagnose a problem.
The air conditioner or heat pump condensing coil (shown at left) receives high pressure refrigerant gas from the compressor and cools this refrigerant gas back to a liquid state.
Typically refrigerant leaves the compressor and enters the outdoor condensing coil at about 100 psi and about 95 degF. The Outdoor cooling fan (the subject of this article) moves outdoor air across the condensing coil to cool it and assist in condensing the high pressure, high temperature refrigerant gas back into a liquid. All of the above-listed air conditioner or heat pump components are discussed in detail throughout this website using the links at the left of these pages. Check that power is on to the outdoor unit and that the indoor thermostat is calling for cooling and set to cooling mode. A condenser fan that won't start when power is turned on, but whose blades will spin easily when power is off may have a worn fan motor shaft bearing. Also possibly there may be no power to the fan and fan blades are moving due to local breeze blowing through the unit. A slow condenser fan (or air handler unit fan) could be caused by a bad start-run capacitor.
Check for a fan blade hitting an obstruction in the unit; possible failing blower fan motor. If the fan itself is balanced and undamaged and secured to the shaft and the fan motor buzzes or hums the motor may be damaged, overheated, have an internal bearing failure, or the motor may be hard starting.
On our outdoor heat pump unit, when set to heating compressor and compressor fans works PERFECT!
We just talked to someone in person that has advanced knowledge of our problem and he said this is a normal built in feature and his unit does the same thing. But it is indeed also normal for the fan on-off cycle to sometimes be different from the compressor motor on-off cycle. Your service tech will perhaps look for a bad control board, relay, or wiring connection or sensor. A blower fan may run for a brief while after the compressor motor has stopped but if the outdoor fan never stops check for a problem with the control board wiring or circuit.
At REFRIGERANT PRESSURE READINGS we discuss other backwards-running electric motors including some types of air conditioner or heat pump compressors and even well pumps.
We list this sequence of condenser fan troubleshooting checkpoints roughly in the order that an experienced service technician will try them, putting easy, cheap, or more likely causes higher in the list. Mechanical stoppage or resistance: Check for a mechanical obstruction (see photo at page top of a stick in the condensing fan) or for a fan bearing that is worn, sticking, freezing. Seizing condenser fan motor or fan parts: Check for bad or loose fan drive shaft or worn, seized fan shaft bearings or for a binding fan motor drive shaft elsewhere in the assembly. A fan (or any electric) motor drive shaft that wobbles side to side (don't try this with power on) is worn out or has worn-out bearings. Also a fan whose blades are bent or damaged and out of balance can put a wobble on the motor shaft that leads to overheating and binding. Overheating fan motor: Check for a failing or overheating condenser fan motor - if the motor is running hot it may be failing internally (though low voltage, mechanical binding, or excessive current draw in the system can cause overheating too - is the motor stopping due to thermal overload?
The dark blue fan shown at right in the sketch is the indoor air handler or blower compartment or cooling coil fan found inside the building. Continue reading at CAPACITORS for HARD STARTING MOTORS or select a topic from the More Reading links or topic ARTICLE INDEX shown below. Our recommended books about building & mechanical systems design, inspection, problem diagnosis, and repair, and about indoor environment and IAQ testing, diagnosis, and cleanup are at the InspectAPedia Bookstore.
Complete List of Air Conditioning & Heat Pump Design, Inspection, Repair Books at the InspectAPedia Bookstore.


The Illustrated Home illustrates construction details and building components, a reference for owners & inspectors.
To post questions, help other DIYers and reduce advertising (like the one on your left), join our DIY community. To make a LONG story short: any ideas, do you think the black and white wire need to be switched or did I misdiagnose the problem or screw up elsewhere? Sorry, I meant I left the rusty capacitors in the ac unit and added in the one that came with the motor. It appears you have the fan wired to the hot (line) side of the contactor instead of the load side, but if that were the case, the fan would run all the time & not shut off. If that capacitor toward the bottom of the picture went to the old fan motor, get rid of it & it's wire.
I checked the outside unit and found the condensing fan was locked up and the capacitor bloated.
I disconnected both wires (red and black) from 11 and 21 on the contactor and still have humming at the OFM.
Correct me if I'm wrong but the only way I see to eliminate the constant power going to the OFM is to maybe wire in a 120v relay with a 24v trigger ( I think the thermostat runs on 24v) between one or both yellow leads coming from 23 of the contactor creating switching on L2.
It looks to me like the circuit for the CCH is thru the run winding of the COMPRESSOR motor when CHS closed. This item will be sent through the Global Shipping Programme and includes international tracking. By clicking Confirm bid, you are committing to buy this item from the seller if you are the winning bidder and have read and agree to the Global Shipping Programme terms and conditions - opens in a new window or tab. By clicking 1 Click Bid, you are agreeing to buy this item from the seller if you're the winning bidder. This is a private listing and your identity will not be disclosed to anyone except the seller. Product InformationDas Samsung S3650 besticht durch sein schlankes, stylisches Design genauso wie durch seine Features. These pressures vary of course by type of refrigerant, ambient temperatures, compressor details, etc. You may detect this by noticing that you can wobble the fan motor shaft (when power is OFF) or you may notice that you can pull the shaft in and out of the motor (loose end-play). If the compressor won't start and if the unit trips a breaker or blows a fuse as soon as it tries to turn on, the motor is burned out and shorted. An internal short that is grounding the fan motor windings can leave the fan running, but abnormally slowly. If the fan spins on the motor shaft and the motor shaft won't turn the motor may be seized and need replacement. But when set to cooling the compressor fan stops and starts, it will not stay on when compressor is on. Check also for a wobbly fan blade (worn or loose fan motor shaft or bearing) or for a fan blade that wobbles and hits the protective screening or for a fan that is jammed by an external occurrence such as a stick falling into the equipment. If the compressor keeps running and the fan re-starts after a 5-15 minute period, and if it's a heat pump running in cold weather, you may be simply seeing a defrost cycle.
This fan blows building air across the evaporator coil (or cooling coil) to cool and dehumidify indoor building air. My AC unit is 18 years old, and I was afraid it was hopeless, but I decided to run through your checklist, and I was able to get it cleaned up and running again. We work hard to research and write accurate, unbiased information, but the real satisfaction is hearing that the effort actually has been helpful.
The text is intended as a reference guide to help building owners operate and maintain their home effectively. I do have the black and white fan wires on the same side as the pink & the black power wires.
In that case you can leave that cap there to give that wire a place to stay or cut that third push on clip off and wire nut the wires together. Last week while doing maintenance on the summit 48i switches I noticed the room wasn't very cool.


You cant hear the hum but you can feel it when touched, also its a bit warm but not super hot even after its been off for a while. 1 phase, then L1 & L2 are both used as hot legs, and the contactor may switch one or both legs. Being a heat pump, this would be OK during the summer, but you'd have to remember to reconnect for cold weather, to prevent crankcase oil dilution due to refrigerant migration.
If the item comes direct from a manufacturer, it may be delivered in non-retail packaging, such as a plain or unprinted box or plastic bag. By clicking Confirm bid you commit to buy this item from the seller if you are the winning bidder. Import charges previously quoted are subject to change if you increase you maximum bid amount. This item may be a floor model or an item that has been returned to the seller after a period of use. A bent condenser fan causes stress on the blower fan motor shaft and can destroy the motor.
If the fan motor is OK one or more allen screws set into the center bushing of the blower fan itself may need to be tightened to secure the blower fan to the motor shaft. I can hear the coil from the tinny fan control circuit board turning the fan off and then back on during this problem. Rapid fan on-off cycling certainly is likely to indicate an electrical or control problem worth investigating. The compressor is depending on the fan to move air across the condensing coil to convert high pressure, high temperature gas back to a liquid refrigerant.
Tripping circuit breakers can be an immediate indicator of overamping or drawing excessive current. If spinning the fan manually will get it running, the problem is usually a bad starter capacitor. Finally a senior tech came out and recognized that the fan required a different capacitor than what was initially changed in.
I don't believe it's the contactor, I replaced that last year and could see the contacts move up or down when the thermostat was switched on or off.
You want the fan to be connected to the terminals that are on the opposite side from the incoming power wires. With the compressor, this is done so one leg acts as a crankcase heater (through milliamp leakage thru the winding insulation to ground) but with the cond. If you reside in an EU member state besides UK, import VAT on this purchase is not recoverable. WA¤hrend die klare und elegante LinienfA?hrung die hochwertige Optik unterstreicht, lassen die integrierten Funktionen keine WA?nsche offen: Social-Networking-Dienste, 1,3 Megapixel-Kamera und ausgefeilte Musikfunktionen angefangen vom UKW-Radio bis hin zum integrierten MP3-Player mit DNSe-Klangoptimierung. The green line marks a common location for the fan control circuitry, and the blue line marks the fan motor. The final solution was for a separate capacitor that matched the fan's requirements to be installed. Special Offer: For a 10% discount on any number of copies of the Home Reference Book purchased as a single order. Thanks to Alan Carson and Bob Dunlop, for permission for InspectAPedia to use text excerpts from The Home Reference Book & illustrations from The Illustrated Home. Carson Dunlop Associates' provides extensive home inspection education and report writing material. Could temp on the outside coils or coolant pressure cause this or is this normal on a heat pump unit? Special Offer: For a 5% discount on any number of copies of the Home Reference eBook purchased as a single order.



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