Questions tagged [compressor]
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102
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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 ...
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1answer
25 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 ...
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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 ...
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1answer
57 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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1answer
40 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
28 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?
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2answers
47 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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26 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 ...
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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 ...
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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
votes
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 ...
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4answers
102 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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2answers
50 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 ...
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3answers
277 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 ...
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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 ...
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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 ...
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0answers
288 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 ...
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1answer
28 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 ...
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0answers
27 views
Compressor very noisy for sub-zero freezer section. Ice starting to melt
Any advice how to solve the above issue?
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1answer
53 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 ...
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0answers
52 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
96 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 ...
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1answer
221 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 ...
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2answers
809 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?
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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 ...
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1answer
57 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 ...
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1answer
296 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 ...
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3answers
233 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 ...
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3answers
818 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 ...
2
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3answers
155 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'...
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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 (...
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1answer
400 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 ...
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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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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 ...
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1answer
91 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
507 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 ...
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2answers
70 views
Should HVAC registers be closed or open when HVAC is broken, & window AC units are in use?
The property in question in located in a hot climate, with high-90's being regular during the summer. The compressor has died on the property's HVAC, and for the time being, the space will be cooled ...
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2answers
3k views
Can a window A/C unit be installed on its side? [closed]
I have a very small window (narrow) Can you install an A/C on it's side and run or will it burn up the compressor? Thanks Jerry
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1answer
2k views
Condenser dual capacitors - run or start?
I understand the purpose of a run capacitor. And I understand the purpose of a start capacitor. I understand the concept of a dual capacitor.
With respect to HVAC condenser unit dual capacitors ...
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3answers
91 views
Air Conditioner Iced
We've been having air condoning problems where our unit would freeze up / leak water. We brought out a tech to have a look, the indoor and outdoor unit was completely forzen. Once thawed, he said the ...
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0answers
77 views
Air compressor won't restart BTFP01012
When my dad's BTFP01012 air compressor reaches 150 PSI, he uses the relief valve, and the unit stops working i.e. turns off and does not restart to replenish the air.
So he replaced the pressure ...
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3answers
114 views
Switching power to an air compressor
I have an air compressor for running tools in my garage. I recently moved the compressor to the basement and put an accumulator tank in the garage ceiling. I did this to reduce noise in the garage ...
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2answers
61 views
Condenser fan and compressor don't start, electrical looks good though?
After replacing the fan, starting capacitor, and running capacitor, the system ran normally for ~1 day. Now nothing is starting.
I got a fieldpiece multimeter and tested all of new capacitors, ...
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1answer
267 views
What pressure rating should a replacement safety valve on a compressor have?
The safety valve on my compressor is leaking air. I found plenty of places that have replacement valves and they look easy to replace. My question is how do I know which one to pick they all have a ...
2
votes
1answer
7k views
How do I estimate the energy consumption of a ductless mini-split A/C unit?
I'm designing a "solar RV" built from a cargo trailer with PV panels mounted on the roof. Currently, I'm listing the expected electrical loads so I can size the solar system and battery bank ...
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2answers
183 views
Failed A/C unit 14 years old
I've got a home warranty through Choice Home Warranty and, after multiple attempts to get a service tech out here for my AC unit,they declined the costs of repairing/replacing the unit due to the " ...
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0answers
49 views
A/C split unit inverter leaking. What can I do?
For some unknown reason, my 12,000 BTU split unit inverter is leaking in two places. Here are the pictures of the leaks.
The A/C was thoroughly cleaned last week, and the contractor said that the A/C ...
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2answers
224 views
Compressor Break In Help
I received my new compressor today. The break-in instructions say:
PREPARATION FOR STARTING
Push in switch to OFF position, and plug in power cord at the wall.
Pull up the red power ...
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2answers
2k views
How do I connect a 240v compressor with only black and white wires?
I got a new air compressor that says 240 volt only but it only has a black and white wire please help.
