Questions tagged [compressor]

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4answers
134 views

Fridge turns on when banging it

My Kenmore full fridge intermittently turns off, and the only way to turn it back on is to bang it on its side. When it is off, unplugging it and plugging it back in doesn't help, neither does ...
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1answer
30 views

Compressor inside condenser switches off on extremely hot days, makes high pitched noise (video!)

Our AC stops emitting cold air on very hot days (100+). It recovers after about 1h of not running. The condenser fan keeps running, but the compressor switches off. I only recently caught it as it was ...
-3
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1answer
41 views

Air compressor first use - plug needs to be replaced? [closed]

I was wondering if anyone could help me with this problem. My brother bought an air compressor recently and found this note. What does that mean, which plug should we replace? This yellow one with two ...
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1answer
30 views

Have I correctly identified this part on my air compressor?

I have a Blue Hawk model 0300812 air compressor purchased several years ago from Lowe's. Sometimes, but not always, I get air leaking from here: It doesn't leak from around the threads, as one might ...
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0answers
42 views

Do most modern freezers have compressor delay?

Do most modern freezers have a "failsafe" of some kind to keep the compressor from cycling too quickly? I want to connect my freezer to an external thermostat and I have been advised that ...
0
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1answer
21 views

How to choose a refrigerator? [closed]

what are the features to look for when buying a refrigerator? Such as what capacity is of the compressor? how do I use this information to measure against my usage? Are copper tubing better? What is ...
0
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1answer
58 views

Can Home AC Electrical Whip Cause Compressor Failure?

I have an 11 year old Arcoaire ac unit. The other day we heard a pop sound and noticed a little smoking coming from the electrical whip casing. The part of the casing with the issue is about half ...
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3answers
15k views

Air Compressor Quick Connect Coupler Won't Latch

Background: I just purchased a new air compressor. I was surprised to see that the collar on the quick connect coupling is retracted (I'm used to pulling the collar back to insert the male fitting), ...
1
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1answer
41 views

redirecting some air from outdoor A/C compressor into the attic to cool it down

I can't find any info on this question, and this might be a stupid idea... but anyway: The temperature in the attic is ca. 130F, 3pm, outside temperature 90F. ( Florida, 17y/o house ) Can I direct/...
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1answer
29 views

HVAC Issue With Compressor

Every time the compressor tries to come on it pops the breaker. A friend who has worked in AC says its because the compressor is going bad. Is this true?
0
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1answer
103 views

goodman furnace /ac no y terminal on board (revisited)

My son-in-law's Goodman B1809913S control board only has R, W and G terminals (no Y terminal). In order to make the AC compressor AND the furnace fan operate the Y and the G wires are jumpered ...
0
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2answers
3k views

What size start capacitor should I buy for my refrigerator compressor?

What size (in horsepower) 3-in-1 start capacitor should i buy for my fridge compressor? I have an LG LRSC26922TT from 2003. The compressor isnt staying on due to (i think the PTC hooked to the ...
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2answers
49 views

Is it OK to underpower a run capacitor?

Have to replace a 55uf MFD 440 Volt VAC (model 97F9042). Is it OK to, at least temporarily, replace it with a 45uf 440V one (model ITAN PRO TRCF45)? (Some specific details of my situation. It's not ...
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0answers
29 views

Are there any physics problems with immersing freezer coils in water?

Given a small refrigerator / freezer (dorm fridge), would there be any reason why immersing the freezer coil in water would reduce or eliminate the ability of the system to remove heat? I took a dorm ...
0
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2answers
853 views

Can I reduce the grinding and humming noise from my portable air con's compressor?

My portable air conditioner's compressor can get quite noisy, it's like a vibrating pulsing grinding noise. Is it possible to reduce this noise?
2
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2answers
37k views

Does a compressor with a short to ground really require a complete system replacement?

My 24 year old home A\C went out some time Sunday morning. I had a tech come out and look at it, and was told that the compressor is shorted to ground, and that this means I have to replace the entire ...
7
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10answers
6k views

Time to Replace Central AC?

Have a 2004, Rheem, Model #: RAMC-048JBZ; R-22 refrigerant. We live in Central Texas, very hot 5 months a year, we use the AC probably 7/8 months a year. Have had annual maintenance performed since ...
1
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1answer
30 views

Can you operate / permanently install an air compressor in freezing temperatures?

My garage is heated but it's attic is not. The attic is accessible and could make a good location for a large air compressor - saves space & could muffle the noise. But the annual temperature ...
2
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1answer
72 views

How much usable air in an air compressor?

I'm trying to figure out how long a small 3 Gallon compressor tank will last in between the compressor kicking on and off. I know the tank volume, and cut-in/cut-out PSI, and my approximate SCF usage ...
0
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2answers
59 views

Want to drain/change compressor oil, but there's no outlet

I have an air compressor; the brand was supposedly Karson but it's actually a rebranded Fiac compressor. I wanted to change the oil; but I realized that it has a window-level, no actual dipstick and ...
5
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5answers
23k views

Which pipe to use to top-up refrigerant in a freezer?

My freezer is apparently slowly leaking refrigerant. I sent it in for repairs a few years back, but now it is failing with the exactly the same symptoms: compressor working non-stop, temperature never ...
1
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1answer
1k views

Replacing compressor motor (going from 3 wire to 4 wire) and question about wire colors

I am replacing a GE motor with an equivalent Mars motor, they are same fitting size, HP, RPM etc. and volt range 208-230. The wires are different though: The old motor had orange, blue, and black ...
1
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3answers
314 views

Will an AC compressor work upside down?

If an AC system is designed to keep liquid refrigerant out of the compressor, will the compressor be ok if installed upside down? It should only be dealing with gaseous refrigerant, but I don't know ...
1
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1answer
12k views

Standard duty cycle of fridge compressor?

I have a refrigerator which has compressor duty cycle of about 50% percent. It’s set on 2 out of 5 which is the highest setting. It basically works for 12-13 minutes and then it’s of for about 16 ...
0
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0answers
41 views

Find adapter for an air hose

I bought this adapter to easier fill my car tires with air: (https://ebay.us/vtTY9x) However, the outer diameter of the left side is 1/4" and it has no inner thread. I wanted the left side to be a ...
1
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0answers
31 views

Whirlpool refrigerator (6 year old) stops cooling

My refrigerator stops cooling and I heard clicking and buzzing from the back of it. I then bought new start relay and capacitor and replaced the old ones. But the problem remains (clicking, buzzing, ...
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0answers
30 views

Refrigerator compressor issue?

May have been asked and answered already but GE Side by Side working seemingly fine but i have noticed that when the compressor comes on (I am assuming) it is causing a substantial power draw in the ...
0
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4answers
4k views

Brand new air compressor trips onboard breaker on start

I bought a new air compressor from Harbor Freight (8-gallon, 2hp,) and last night I added oil to the fill line, opened all valves, and started it to run it for the break in period (30 minutes with no ...
0
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0answers
354 views

Can't get air hose to connect back in to compressor

I have a 10gal compressor used to fill up tires mostly. A friend with Alzheimer's disconnected the hose from the compressor. I don't believe he changed any fittings but I can't get the hose to ...
0
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1answer
29 views

AC compressor makes strange constant noise, won't run

My Comfortmaker AC compressor outside makes this strange sound when I turn it on, and the fan in the compressor doesn't run. https://vocaroo.com/i/s0rx9CsN4XaQ Every few seconds it also makes the ...
1
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1answer
55 views

Loud noise from outdoor unit several seconds after AC turns off

I haven't been able to find anyone online with quite this issue... I have a Carrier heat pump system, and through the winter it would often make that torpedo noise when heating the house (I later ...
0
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0answers
55 views

Split unit Air Conditioner replace compressor single to three phase

I have a 3-ton split AC "single-phase compressor" was working perfectly until I moved it to another location, some oil spilled from the suction pipe during the transportation so when I installed it in ...
0
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1answer
309 views

Power Surge Damage to Refrigerator

our house had several power surges last week that damaged a few of our major appliances including our indoor and outdoor refrigerators. Today, a repair person told us that our indoor fridge is leaking ...
1
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3answers
930 views

Refrigerator intermittently making loud clicks with compressor banging and shaking

Facts: 9 year old Whirlpool refrigerator has been operating quietly for 9 years. Refrigerator has two doors and is top-freezer/bottom-refrigerator configuration. About 3 months ago, it would ...
1
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1answer
237 views

Lennox air conditioner capacitor and compressor ohm readings

I have a Lennox 2.5 ton a/c unit, model 13ACD-036-230-05, with a blown dual run capacitor (the run terminal for the compressor is burnt off the can, the fan and common terminals are still intact, fan ...
4
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3answers
2k views

Is it normal for an air compressor's tank to have something inside it?

I recently bought an air compressor for airbrushing and other uses. I'm not familiar with air compressors so I was wondering if it was normal for the air tank to have sand/gravel inside it? When I ...
0
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1answer
36 views

Piece of brass in air compressor tank — problem or no?

I recently inherited my first air compressor, which had a broken brass drainage valve. While attempting to remove it, I further broke the valve and lost a piece inside the compressor tank. I've tried ...
4
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1answer
58 views

Inserting a Tee In 1" Pipe for an Air Compressor?

I have a copper pipe outside my house that is 1" in diameter (Measured 1.1 inches using a digital caliper) that feeds our house's sprinkler system. My dad uses his commercial air compressor to clear ...
0
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3answers
254 views

Using PEX Fittings with Nylon Tubing

I'm planning on plumbing my shop for compressed air and I think I want to use nylon tubing, like what comes in the RapidAir kits. I don't want to use PVC for obvious reasons, and though I think PEX ...
2
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3answers
159 views

Can I upsize my air conditioner if I have a two-speed compressor?

The upper floor of my house has a split A/C, three-ton. When the temperature gets up above about 95 Fahrenheit, the unit can't keep the upstairs cool. That means that for a few weeks a year, my kids'...
1
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1answer
8k views

HVAC making sound even when off

At Thermostat Fan was on Auto Cooling was On Outside Unit was making noise. Outside Unit Fan not coming on at all Next to the compressor on the Wall there was On Off Switch, I turned off power ...
1
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1answer
420 views

Is a tiny dent in a compressor tank a safety concern?

I saw some questions and answers on air compressors so I thought I would ask one: I just purchased a Chicago Pneumatics 21 gallon compressor and I noticed a tiny dent about 3+ inches from the upper ...
2
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3answers
21k views

Temporary fix for bad contactor?

After doing some replacement for the ac, the contactor stopped working. It won't close when I turn the ac on. when I pushed it in, the compressor was able to start. I can't go out to find a new one ...
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1answer
3k views

Help: Wiring 220V in garage to NEMA 10-30r because MIG welder and air compressor have 10-30p

I've reviewed many articles on this website as they've been referred by my Google searches. But most have been about dryers. I have an older air compressor (240V, 60Hz, 15A, 5hp) and a MIG welder (...
0
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1answer
35 views

Air compressor valve going off

I have a small air compressor for various small tasks. Lately when I plug it in and turn it on, it starts working to fill the tank and once it's full, I hear the valve releasing the air thus the ...
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4answers
18k views

How do you break in a new air compressor?

Just got a new craftsman air compressor (33 gal). I have read that it is important to "break in" the unit by running it with the pressurized chamber open (so that there is no load on the motor). How ...
3
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3answers
116 views

Help diagnose a compressor problem

My fan on my A/C compressor unit seems to start and even spins up to a reasonable speed, although not quite the speed at which it ought to spin, but then 5 seconds later slows down to a very low speed ...
0
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1answer
98 views

Can I share a 220v circuit between an AC compressor and baseboard heat?

I will be adding a 220v baseboard heat as a supplement to an addition. The addition also has a smaller AC compressor with 20amp 240v, the same spec as the heater. I wonder if I should share this ...
3
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2answers
555 views

HVAC is suddenly blowing room temperature air—compressor, fan still turn on

I intend to call a repair person, but I just want to make I've exhausted possibilities that don't involve messing with the refrigerant lines. The A/C was working yesterday with no problems (outdoor ...