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compressor

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  1. M

    How to connect fridge compressor to AC wall outlet

    Hi guys, I am looking to convert my old fridge compressor to a vacuum pump. I have removed the fridge compressor which has an inverter attached. I want to connect the compressor to an AC wall adapter using my fridge's old AC wall outlet plug. However, there are two sets of electrical wires...
  2. cliffed

    External compressor cabinet

    Supply to a nice look compressor cabinet,for pumping up tyres. 16amp 230 v. 20amp rcbo supplying the plug & play unit. Its outside ,does this require main protective bonding,personally I dont think so. Its extraneous but not entering the building.
  3. R

    Panel blowing bulbs and Backfeeding

    The panel has started blowing bulbs and shot fire back up in panel on the load side
  4. I

    Single Phase 230V supply and 3ph Compressor install.

    Hi guys, Have an option of an old, but really solid superb condition and well made large +/- 200ltr compressor from Denmark. Rarely used since purchased/Build 1987. Only supply I have is 230V Sing/Ph. Never had any dealings with 3 Ph. First name plate. Grundfos 3~MOT MG90LAR-24F115 No...
  5. S

    Compressor 3hp motor DOL starter question

    Hi, I kinda think I know the answer to this but will ask opinion anyway. I am fitting a new compressor pump and motor to my receiver and have bought; twin cylinder pump; 3hp motor (2.2kw) Although, the motor looks like this So, I upgraded the ring main that the compressor will use in my...
  6. H

    Hot SWA gland

    I have a hot SWA Gland on a 11kV cable. The cable has a SWA Gland on each end. I was under the belief that this would create a current circuit. There is 3 trefols running in parallel. Any suggestions
  7. W

    30amp air compressor wiring for garage/outbuilding

    Hi all, new on here just looking for some advice. First of all I'd like to point out that I'm not planning to do this job myself I'm just looking for some advice on what work may need to be done and if its a big job. Basically I want an air compressor with a 2x3hp motor and 270L tank...
  8. the pict

    Air compressor puzzle

    I bought a compressor and now realise its to weak for air tools anyone ever added a tank to thiers if so where did you source the bits
  9. S

    Vacuum and compressor automation

    I've been asked to design a panel for 2x 3phase comressors and 2x 3phase vacuum pumps. Non of the motors can start at the same time and between the 2, they have to run alternately. The vacuum pumps need to be wired so that if more vacuum is needed the other will start. Keep in mind that when...
  10. NDG Elecs

    Ratings plates for compressor

    Just a quick query as to what an aspect of a rating plate refers too. What is: n/1 - value 2750 Piccy:
  11. D

    Installing a 230v Single Phase Air Compressor in my home garage

    Hi gents Just joined and this is my first post. I’ve decided to upgrade my home garage compressed air setup since my current 3hp 50ltr 8cfm struggles to run the air tools I’m using to restore my old project car. All was going ok until I invested in a 20 gallon sandblaster with the result...
  12. M

    Looking for information on compressor electrical items

    Hello All, I'm currently trying to revamp a 3ph 200l compressor that has most of the electrical equipment missing. I found this site by researching 3ph to 1ph motors. Some excellent info on here so I thought I'd join. I'm a mechanical fitter by trade although I have worked on electrical devices...
  13. Mr Midlife

    Dedicated earth on fridge compressor

    Hello, I have a quick question...I have been asked if the compressor on a fridge requires dedicated bonding to the body of the fridge? Currently they are not and they pass electrical testing. Does it actually require earthing to the body? Thank you
  14. dlt27

    Compressor cables getting warm.

    Hi all, A maintenance friend today asked for a bit of advice. He said cabbles supplying compressor are very warm / hot to touch. (Also thought he could feel them vibrating slightly) The cable is a swa 25mm and is pulling 55A per phase. I said being a compressor it might have a VFD and might be...
  15. AraiHawk

    Lights blink when AC compressor kicks in

    Hello all I am new here and I have been reading threads in this forum for sometime searching for someone who has the same problem as me but couldn't find a related post. So the problem is when the AC is turned on and the compressor kicks the lights dim for a split second ( fluorescent, and...
  16. HVManiac

    How much current is drawn by an 18,600 BTU A/C compressor while running at atmospheric pressure

    Hi folks, I recently got a 26 year old hermetic A/C compressor. I plan to use this as a vacuum pump mostly for some of my hobby projects after adding an air filter and a moisture removal setup to it. The specs on the label on the A/C said that it power draw is 2450 Watts, 11.5Amps. Does it...
  17. M

    Screw compressor MPCBs keep failing , Please Help !!

    Hello , i'am facing a screw compressor breaker issue , lately a lot of power interuption hapens and the breaker trips when it hapens , but now the breaker don't even work, its 3 ph + N 630A MPCB but we only use the 3 phases output, its runing a 250 Kw compressor AC motor in Delta/star...
  18. O

    Incorrect phase sequence of a three phase compressor

    Hi there, I'm wondering if you gentlemen would so kind as to bless me with your wisdom. Just to confirm, this is a question that I am attempting to answer as part of 304 of the 2365, so a point in the right direction with my answer would be mightily appreciated. The exact question is...
  19. B

    Permanent 12 volt socket to connect 12 volt devices to.

    I recently purchased what seems to be quite an effective tyre compressor to use on a Motor Caravan with 60/65 lbs pressure. I say, "what seems to be quite effective" because unlike a couple of other tyre compressors it does actually raise the tyre pressures. However, the wires from the...
  20. D

    Control for plug in compressor.

    Hi new to the forum, not an electrician but can wire a plug. I have a small compressor with a AC motor to drive it which simply plugs into the mains socket outlet. I would like to fit an on/off switch next to the motor instead of using the wall switch on the outlet or pulling the pug out...

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