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post #1 of 18 (permalink) Old 07-29-2019, 04:19 AM Thread Starter
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Question Trying to figure out what compressor this is?

Hi, I recently started working @ a new facility and am trying to figure out what compressor this is? The compressor works but is directly hooked into the breaker box so in order to turn on, I need to turn on the breaker switch. The problem is it does not have a cut off pressure switch so can someone please point me in the right direction?

I would like to add a cut off switch but have no idea where to start, Thanks for any help!!
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post #2 of 18 (permalink) Old 07-29-2019, 04:31 AM Thread Starter
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These are the images of the compressor...
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post #3 of 18 (permalink) Old 07-29-2019, 10:07 AM
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Solidnickle

Looks like a VrV5-? Champion 2 stage compressor.

Stephen
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These are the images of the compressor...
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post #4 of 18 (permalink) Old 07-29-2019, 10:42 AM
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Solidnickle,

A pressure switch and a magnetic starter would be needed. Most Pressure switches are not rated for a 23 amp motor.
The diagram shows that power is controlled by the pressure switch via the magnetic starter. The motor load is enormous at startup (locked rotor) Basically a crow bar across the supply voltage until the rotor starts turning. This load would destroy a simple switch's contacts so magnetic starters were developed to solve the starting problems of a motor for this reason. The parts are a couple of hundred dollars but it was idiotic and ignorant/dangerous to directly wire the motor to power!
Warning! do not run any compressor with out a high pressure control system! An explosion of the tank and a fatal injury could result. I can't believe some one would setup a compressor this way!

Stephen


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Solidnickle

Looks like a VrV5-? Champion 2 stage compressor.

Stephen
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post #5 of 18 (permalink) Old 07-30-2019, 07:57 AM Thread Starter
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Thanks Stevon, I thought it was crazy that the guy wired it up like this; the problem is I can find any local help to fix this thing. The guy that wired it up like this left town, if you could help me out with fixing it, I would be more then happy to compensate you for your time, Thanks

-Danny
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post #6 of 18 (permalink) Old 07-30-2019, 10:36 AM
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Danny,

I wouldn't want any advice from him anyways judging by his track record!
first thing to do is remove the pressure gauge and install a "T" pipe fitting. put the pressure switch on one end and the gauge on the other. I didn't see the pressure switch on your pictures so You will have to buy one. This video will explain the process:


You will need something like this:



The technical manual for this device is https://www.zoro.com/static/cms/enha...aan3FVDXjd.PDF

There are different magnetic starter types out there. You need this type as it is a "remote" control and allows the use of a pressure switch to remotely turn the starter on/off. There are cheaper manual type starters out there that will do you no good.

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Originally Posted by solidnickel View Post
Thanks Stevon, I thought it was crazy that the guy wired it up like this; the problem is I can find any local help to fix this thing. The guy that wired it up like this left town, if you could help me out with fixing it, I would be more then happy to compensate you for your time, Thanks

-Danny

Last edited by stevon; 08-09-2019 at 11:41 AM. Reason: off
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post #7 of 18 (permalink) Old 07-30-2019, 10:39 AM
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magnetic starter

Danny,

I wouldn't want any advice from him anyways judging by his track record!
first thing to do is remove the pressure gauge and install a "T" pipe fitting. put the pressure switch on one end and the gauge on the other. I didn't see the pressure switch on your pictures so You will have to buy one. a cheap one to run the magnetic starter is fine just make sure it is rated for 175PSI shutoff pressure.
This video will explain the process:


You will need something like this:



The technical manual for this device is https://www.zoro.com/static/cms/enha...aan3FVDXjd.PDF

There are different magnetic starter types out there. You need this type as it is a "remote" control and allows the use of a pressure switch to remotely turn the starter on/off. There are cheaper manual type starters out there that will do you no good. You don't need a manual on/off switch!

Quote:
Originally Posted by solidnickel View Post
Thanks Stevon, I thought it was crazy that the guy wired it up like this; the problem is I can find any local help to fix this thing. The guy that wired it up like this left town, if you could help me out with fixing it, I would be more then happy to compensate you for your time, Thanks

-Danny

Last edited by stevon; 07-30-2019 at 11:41 AM. Reason: 175 PSI switch
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post #8 of 18 (permalink) Old 07-30-2019, 10:46 AM
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Danny,

I live in San Diego where are you located in the US?
Oh by the way what is the ASME maximum working pressure stamped on the air tank? also, can you drain the condensation in the tank?

Stephen

Last edited by stevon; 07-30-2019 at 11:21 AM.
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post #9 of 18 (permalink) Old 07-30-2019, 12:06 PM Thread Starter
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Thanks Stephen for the info, I am located in Waller TX between Houston and Austin.

Would this part work for the pressure switch?




Also, can you shoot me a email @ [email protected] ? Certainly appreciate it, thanks
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post #10 of 18 (permalink) Old 07-30-2019, 02:14 PM
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Danny,

That is 1/2 of the solution, the motor starter or "relay" part. for a pressure switch somehing like:
https://www.zoro.com/condor-usa-inc-...CABEgKal_D_BwE
is all that's needed to trigger the magnetic starter. you need to pipe this into the tank. Your champion compressor has a head unloader valve so this pressure switch without one should work.

Quote:
Originally Posted by solidnickel View Post
Thanks Stephen for the info, I am located in Waller TX between Houston and Austin.

Would this part work for the pressure switch? https://www.amazon.com/Starter-defin...71312766&psc=1


Also, can you shoot me a email @ [email protected] ? Certainly appreciate it, thanks

Last edited by stevon; 07-30-2019 at 02:20 PM. Reason: unloader valve
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