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0
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0answers
22 views

How this compressor needs electrical power to work? (A/C compressor) [on hold]

I am looking to operate A/C compressor that used in mitsubishi car So how i know how much power of electric motor i need to operate this compressor at max. pressure ?
1
vote
1answer
58 views

How to stop a screaming pellet stove?

I'm having trouble thinking of how else to describe the sound that our pellet stove is making. It is a piercingly high pitched sound that appears to come from the blower. Here's a video with ...
1
vote
4answers
14k views

How do I re-wire a ceiling-fan to reverse its direction?

One of the ceiling fans at home was spinning in the opposite direction (clock-wise) and so was sucking up the air rather than blowing it. I live in a hot climate so we always have the fans spinning in ...
1
vote
1answer
24 views

Ceiling fan motor disassembly

Took apart a ceiling fan. Want to take apart the motor, but this thing looks like it was assembled tight, like a freaking bearing. I want to get to the goodies inside. I've taken out every screw there ...
0
votes
1answer
37 views

Self-made automatic window blinds

I live in an apartment where I cannot change anything. I would like to have my blinds open/close via computer (any interface controllable via RPi/Arduino is fine). It's not required to also roll them ...
3
votes
1answer
67 views

Invert electric motor rotation

I got this Bergin AC motor which was from a pool pump, but now I want to use it to power a saw. For this I need to invert its rotation direction. How can I do that by just switching wires? The four ...
3
votes
3answers
19k views

How much less power does a three-phase A\C unit use as apposed to a 220v unit?

I'm planning to install a 5 ton central AC. I'm deciding between a condensing unit that runs on 220V and a costlier unit that runs on 207Y three-phase. My understanding is that three-phase motors use ...
3
votes
3answers
9k views

Why is my furnace blower noisy when it starts?

The blower of my furnace makes a loud noise every time it starts. I understand that a large fan and the movement of large amounts of air will produce some noise. What I am puzzled by is the noise that ...
3
votes
6answers
2k views

Should I replace or repair my dead/dying garage door?

My garage door opener is on its last legs, should I replace it or try to fix it? Symptoms: The door does not initially move when the button is pushed, but after giving the door a boost it opens. ...
4
votes
3answers
5k views

How long should I run my pool pump for?

How frequently/long for should I run my pool pump? it's a standard single speed 1.5 hp electric motor pump. I've heard different answers from various people and I am left wondering what is correct. ...
0
votes
4answers
778 views

How can I use an American KitchenAid mixer in Denmark?

My husband bought me an Artisan kitchenAid mixer (max watt 325) from America, we live in Denmark so he also bought an autotranformer (input 220/240v, input 110/120v and max load 500VA with a 5amp ...
0
votes
3answers
148 views

Can I take the cover off my fusebox to attach an energy monitor?

I have bought an Energy Monitor to track our electricity usage (hard times...). I now need to put the sensor on one of the cables either next to the fusebox or the meter. Unfortunately I cannot ...
1
vote
1answer
127 views

What could cause a condensing units fan to stop working?

My AC unit fan stopped working suddenly. I tested the 3 pole condenser (capacitor) and the it looks OK ( 45 uf , 5 uf is what is mentioned in the spec of capacitor). I tested the resistance in the the ...
0
votes
2answers
643 views

Can i fix or run my 110V pedestal fan on 220V?

I have an old table-fan that I bought years ago and was rated for 110V. During the checkout process, it the option of choosing 110V or 220V and I made the mistake of choosing 110V. I haven't been able ...
4
votes
5answers
18k views

Why has my ceiling fan's speed become slower?

We have owned a Minka Aire ceiling fan for about 4 years and it has been great overall; running for 24hrs a day. It has 3 settings and when we initially purchased the fan; the speed was noticeable ...
3
votes
1answer
2k views

How does a multi-tap motor speed control work?

I have a Home Depot, undocumented, no-name ceiling fan and I've messed up the speed control connections, and I'm trying to understand how the circuit works. I found a circuit on the internet which ...
0
votes
0answers
33 views

How do I wire a 2-pole dimmer switch to control an exhaust fan? [duplicate]

I have 2 black and 2 red wires from the gang box on a 220V 7 amp exhaust fan. The new switch has 2 black wires and the ground. How do I wire the new switch?
-1
votes
1answer
92 views

Use a 110V switch to activate a 3-phase motor 240V

I have a 110V switch on a control panel that will be used to turn on/off a 3-phase 240V motor. Power has already been run to each item and now I need to figure out how to use the switch to control the ...
-4
votes
2answers
74 views

Running a bilge pump from a wall outlet? [closed]

I bought a bilge pump for purposes of cooling off my computer, and to my surprise it came with bare wires (one black and one brown) that you're supposed to hook up to a boat. I don't own a boat, and ...
4
votes
1answer
513 views

How can I repair a ceiling fan that hums, but doesn't turn?

The ceiling fan/light has power. The lights work, but the fan doesn't turn even though it hums. Why is this, and how can I fix it?
6
votes
2answers
1k views

How do I run a 3 Phase/1hp TEFC motor off of a regular household outlet?

I recently bought a brand new TECO-Westinghouse Electric motor . 3 phase HP: 1 Volts : 208-230/460 RPM: 1750 HZ: 60 Fr: 56 Cat no: ZA.0014TE2/56 Type : AEFAZA Enclosure : TEFC I would like to run ...
2
votes
2answers
646 views

Furnace Draft Inducer Repair: is previously installed back plate necessary?

I'm replacing a non-functioning draft inducer on the Goodman furnace in my house (GMP075-3). The previous inducer was mounted with a sheet metal back plate between it and the wall of the furnace. ...
2
votes
2answers
528 views

How can I calculate the rotational force and motor HP needed to lift a 5lb sheet from a horizontal position to a vertical position from one end?

Essentially, I need to know the following: How do I calculate the rotation force along a fulcrum? Is there an equation? What is the weight of a 5 lb object at the fulcrum if the fulcrum is located ...
1
vote
1answer
113 views

New condenser fan motor burned out

AC technician replaced my condenser fan (through a home warranty service). The new fan worked for 5 min and stopped working after that. the fan motor was extremely hot (180F or more) The old fan motor ...
10
votes
5answers
19k views

Should I put a dimmer switch on a ceiling fan?

I have a ceiling fan on our bedroom's vaulted ceiling. Since we don't want 7' pull-cords, the speed is stuck at full-tilt, which is no good. The fan has separate switches on the wall for lights and ...
3
votes
2answers
328 views

How to lubricate a buzzing fan?

I bought a little mini fridge (ok, it's actually one of those wine cooler thingies) that buzzes loudly. Took it apart and discovered the source of the problem: a little fan in there, similar to the ...
8
votes
2answers
423 views

Why are furnace/central AC blowers so inefficient?

I can buy a ceiling fan from Home Depot capable of moving 5,000 CFM of air for about $50, and it uses a mere 50-60 watts while doing it. By contrast, most furnaces seem to have blowers that operate in ...
0
votes
0answers
179 views

Why is my bathroom vent fan tripping the GFCI when being shut off?

I have a GFCI tripping when a vent fan is being shut off. I saw in KeithS's answer to a similar question that the blades rotating after shut off causes an imbalance, tripping the GFCI. In my case the ...
4
votes
3answers
848 views

What should I do if my vacuum trips my AFCI device?

I have a vacuum that trips the AFCI device of the circuit that services my bedroom. The vacuum has some age on it, and there is some wear on the motor's commutator. This wear causes electrical ...
8
votes
1answer
2k views

How do I wire this motor with 240V?

I have 240 plug with a switch dedicated for Air compressor. I have compressor that supposedly can be wired for 240V 2 pictures show sticker and current wiring. How do I update wiring to make it 240V? ...
0
votes
1answer
128 views

On the number and shape of my swamp cooler motor cord terminals

As I understand it, most three prong electrical chords are have a hot wire, ground, and neutral terminals (for extra precautions). My swamp cooler motor cord has four prongs as shown here: What is ...
0
votes
1answer
137 views

Pool pump wiring - 115v motor okay with L5-20 125V 20A Receptacle?

I have a pool pump that I recently bought used to replace a failing pump. The motor is rated for either 115v or 230v (low/hi switch) operation. My previous pump was wired with a 12 gauge line to a ...
6
votes
8answers
17k views

Do any ultra quiet ceiling fans that have no motor hum exist?

I am in the market to buy two large ceiling fans to cycle air within and potentially cool my master bedroom. The room is about 16x27 feet, and it gets pretty hot during spring, summer, and early fall. ...
1
vote
3answers
786 views

Can I operate a 120v 60 hz sewing machine with a 220v 50hz power supply?

I was going to buy a sewing machine from someone. It's rated 120v - 60 Hz (as written in the label), but the power system here is 220v - 50 Hz. Can I operate this machine with that power if I use step ...
0
votes
2answers
2k views

How can I power a three phase AC motor with only 2 phases?

I have some AC motors with 6 wires each. I only have 2 out of 3 phases available. I will test these motors any way. I know the motors won't work in their best condition and I risk create a short ...
0
votes
2answers
109 views

craftsman shop vac motor stuck on reverse

Apparently the motor itself is reversed. It I'd blowing out the top hole. I cannot find any " reverse" switch cm and I doubt it has one. It apparently got switched into reverse somehow and I need to ...
2
votes
1answer
738 views

Could I safely use a dimmer switch on an air filter fan?

I bought a small HEPA air filter fan that was advertised as being a quiet model. But it's not quiet enough for me. I bought another "quiet" fan, but the new one is also too loud for my liking. Could ...
0
votes
1answer
342 views

Why is my bathroom fan buzzing and humming when I first turn it on?

It is strange, the bathroom fan is buzzing and humming when I first turn it on. After a few minutes, it starts up normally. Why is it doing this?
4
votes
3answers
1k views

What is the life expectancy of a washing machine motor?

My washing machine is 6 years old. I found what I think is a good deal on a motor (about $50). I was just wondering if it would be a good investment to have a spare motor around.
7
votes
2answers
576 views

Why were only some of my tools damaged when connected to a 240V receptacle?

I live in the US and recently bought a home. There are several electrical outlets in my garage. I have recently had two tools that have burned up and gone to an early grave. It turns out that the ...
2
votes
1answer
218 views

Can I plug a 15A snow thrower into a 15A receptacle?

I'm planning to buy a snow thrower with a 15A motor in it. I have an outside receptacle that's rated for 15A and so is the breaker in the electrical panel. I'm wondering if this will work without ...
2
votes
0answers
244 views

Why would my microwave continually rotate when connected to a voltage stabilizer which is also used for a refrigerator?

When I connected my microwave oven to a voltage stabilizer which is being used for refrigerator,the microwave oven motor starts working without any functions provided.The motor keeps on rotating at ...
1
vote
1answer
632 views

Why won't my washer machine motor, gearbox, or inside basket free spin

I have a Whirlpool model# LSR8233EQ0 washing machine. Not sure which one of the components in the question title are causing the issue. I've found that it could be any of them. The machine recently ...
0
votes
1answer
962 views

How can I connect a 120V compressor to a 3 phase WYE 208 electrical system?

I have 4 cables from a power supply which are 3 phase WYE 208 volt. so if I measure between neutral and hot I get 120V. The problem is that I need to hook up a compressor for 110V single phase (just ...
0
votes
1answer
694 views

How does this axial-flow propeller pump work?

I am trying to repair my aquarium pump. It is an axial-flow (rotary) propeller pump. It accidentally drew air when I was refilling the aquarium after moving it. After that it didn't pump anymore, but ...
2
votes
3answers
984 views

Can I use brake fluid or steering fluid to stop a fan from squeaking?

Can I use braking fluid or steering fluid on my squeaking table fan? Are they safe? I'm just wondering if I can use anything that's already lying around the house.
0
votes
1answer
4k views

What could cause a ceiling fan to lose rotation speed?

I have two identical ceiling fans in my house that were installed around 4 years ago. One no longer rotates as fast as it used to at top speed. At a guess I would say it has lost 30 or 40% of its ...
1
vote
0answers
1k views

What's causing my draft inducer to stay on?

I have a new, 3-year old, high-efficiency, gas furnace in my home. I recently realized that my draft inducer, which normally kicks on before the burners and before the main blower, is not stopping. ...
3
votes
2answers
9k views

Why is my A/C condenser fan motor wiring backwards, and how can I fix it?

I've just replaced my condenser fan motor on my home A/C unit with this unit: http://www.grainger.com/Grainger/GENERAL-ELECTRIC-Condenser-Fan-Motor-2PRA6 The HP, RPM's and amp ratings all match. The ...
2
votes
1answer
2k views

What type of motor do I need for my attic fan?

My attic fan motor appears to be on the fritz (makes a buzzing sound and the fan tries to turn but won't make it more than 1-2 revolutions without sticking). I'm trying to figure out what type of ...