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Questions tagged [compressor]

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0
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1answer
25 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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0answers
12 views

Refrigeration system that needs -18 degrees has three evaporators each with 3 blower fans

Refrigeration system that needs -18 degrees has three evaporators each with 3 blower fans. The outside condenser is +- 10 meter apart but 1 and a half bottle gas is in and the unit still back freeze ...
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1answer
32 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
51 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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1answer
38 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
80 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 ...
0
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2answers
78 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
63 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'...
0
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1answer
826 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 (...
1
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1answer
148 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 ...
0
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1answer
31 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 ...
3
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3answers
111 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
53 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 ...
2
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2answers
93 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 ...
1
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2answers
61 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 ...
1
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2answers
297 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
0
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1answer
853 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 ...
1
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3answers
78 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
62 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 ...
2
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3answers
84 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 ...
0
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2answers
50 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, ...
1
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1answer
117 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
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1answer
4k 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 ...
0
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2answers
153 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 " ...
0
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0answers
42 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 ...
1
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2answers
120 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
836 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.
0
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2answers
1k 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 ...
0
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3answers
115 views

Literature on effect of frequent switching on-off of air conditioner on compressor

I tried searching for literature on this using various search terms on google scholar but couldn't get anything substantial. I'm particularly interested in how adversely the AC compressor is affected ...
1
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1answer
128 views

Need new converter or special hose?

I would like to connect my bike nozzle to a new compressor I just bought. However the compressor have an odd (?) connector. Can someone from the pictures below see if I need to buy a new converter ...
0
votes
1answer
47 views

Compressor hose line

Would having a 20m hose connecting my compressor shed to my workshop be ok? I was planning to have the hose outside the problem is temperature differences at day and night and rain and things like ...
1
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0answers
32 views

Air line rotary fitting?

i'm trying to attach my compressor to a filter/regulator mounted on the wall with a short lead like this:enter image description here The problem is that the threaded ends on the hose are fixed to ...
1
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1answer
1k views

Propane tank to air tank conversion

I got a new and empty big propane tank from a neighbour (he works at the propane distribution in the city) and I wanted to convert it to an air tank. I know even thought it looks like it, the tanks ...
0
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1answer
108 views

Compressor drain

Whenever I drain my compressor only some droplets come out and I find that strange so today I opened the drain valve and I tried tilting the compressor and brownish/orange water came out, the ...
0
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1answer
783 views

Can a normal fridge be quieter than one with inverter compressor?

I can't decide between Liebherr CN 4015 and Panasonic NR-BN34FW1 Both are good candidates for me but not sure about the brands, and my major concern is the noise. I was led to believe that inverter ...
1
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1answer
819 views

Inflating wheelchair tires to 90 PSI

I'm looking for a way to easily fill my wheelchair tires to 90 psi. I understand that I don't understand all the technical stuff I should consider when buying a small compressor or a tire inflator, ...
1
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1answer
617 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 ...
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2answers
337 views

Attaching Air Compressor To Junction Box

I have a 4 inch metal junction box with a 3/4" mud ring attached and recessed into the drywall in my garage. I want to connect an air compressor to this junction box directly without using a plug. ...
1
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1answer
48 views

Is it ok to have a rise in an air compressors drain valve?

The designer of my compressor unfortunately didn't put a whole lot of thought into where to put the drain valve on it. It's on the back, and the compressor is against the wall, in a corner, usually ...
1
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1answer
6k 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
462 views

Why does my compressor bog down at low pressure?

Just bought an air compressor, and when I turn it on it starts to build up air but when it gets to around 20 psi the motor seems to be slowing down almost to a stop. Does anyone know what's up with ...
0
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1answer
256 views

How to Seal leaks on an air compressor system

My air compressor machine is leaking at its clamped joint area where the red plastic tubing is connected to a metal joint. I see products on the market meant to seal leaks such as teflon tape and pro-...
0
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2answers
5k views

Compressor size for HVLP gun?

I have never used an HVLP gun before and am trying to figure out what compressor I need. I will be spraying small, metallic parts. The paint I am using recommends an HVLP gun with a 0.8mm tip running ...
0
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3answers
2k 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 ...
3
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2answers
201 views

15-year-old fridge goes “clunk” at end of cycle

Started happening a few years ago, unclear whether it has gotten any louder or whether there's anything that makes it better or worse. I don't think it was this bad when new, though. Functionally, ...
4
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4answers
10k 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 ...
0
votes
1answer
385 views

Which way should air flow through this oil/water filter

So, I picked up an oil/water filter for painting with my compressor. Unfortunately, the thing had zilch for instructions, and I'm not sure which way the air should flow. Which side (male threaded side ...
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3answers
761 views

A small air compressor for cleaning? [closed]

I'm looking for a small air compressor for a small air compressor that I can use instead of a compressed air can for dusting my home electronics. From looking at websites like Amazon or Home Depot, ...
5
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3answers
1k views

Can I use a nailer with a higher consumption than my compressor's SCFM rating?

Can I run a pneumatic nail gun with a consumption of 4 SCFM max on a small portable 1HP compressor with a SCFM rating of about 3 SCFM @ 90psi? What about tools that with higher SCFM consumption say 5 ...
2
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1answer
2k views

Which way should the water separator be fitted to an air compressor?

I bought a water separation filter for my new compressor. The water separator didn't come with any good documentation. Here's what came in the pack: A diagram on the packaging: The device: The ...