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| loply |
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 loply World Chat Champion

Joined: 24 Mar 2004 Karma :   
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 Posted: 23:01 - 25 Jan 2011 Post subject: Wiring a big ass AC motor up? |
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Hi folks,
I'm sure somebody on here will know what I'm talking about!
I've got this single phase 2.2kw 240v motor:
https://www.vmglimited.com/rich/motor2.jpg
It came wired up as pictured, and I connected a 13A plug as per my two photoshop'ed wires...
I was copying the diagram on the left of the lid (in the top of my photo).
Have I done something daft here as when I plug the thing in, it spins for a split second then the main fuse in my house blows...
The motor I have wired up with a thick cable directly to a plug which contains a 13A fuse. The name plate on the motor says it draws 13.5A but the 13A fuse does not blow. I tried inverting the L and N wires just in case (same result though).
Would appreciate any help! ____________________ Yamaha SZR660 Caution to the wind, the throttle pinned! |
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| Im-a-Ridah |
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 Im-a-Ridah World Chat Champion
Joined: 20 Oct 2006 Karma :   
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| CaNsA |
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 CaNsA Super Spammer

Joined: 02 Jan 2008 Karma :   
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| SoND |
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 SoND World Chat Champion

Joined: 10 Jul 2005 Karma :  
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 Posted: 02:16 - 26 Jan 2011 Post subject: |
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House plugs don't like the big surge from large motors. ____________________ Go back to bed - You have no rights - "Streetfighters ~ Mainstream motorcycling's crackwhore sister." |
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| Pete. |
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 Pete. Super Spammer

Joined: 22 Aug 2006 Karma :     
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 Posted: 05:09 - 26 Jan 2011 Post subject: |
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It's probably because it's so new the start-up load is higher than it will be once it's run in. If you can wire it in somewhere where it will keep running for a while that might help your starting.
Also, motor-rated breakers are type D, if you have a type A or B in your consumer unite (which TBH you will have) they don't cope with motor starting loads as they trip out too fast. ____________________ a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good  |
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| hellbound |
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 hellbound World Chat Champion

Joined: 15 Jan 2011 Karma :     
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| Pabbers |
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 Pabbers Scooby Slapper
Joined: 24 Nov 2010 Karma :  
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| hellbound |
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 hellbound World Chat Champion

Joined: 15 Jan 2011 Karma :     
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| Pabbers |
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 Pabbers Scooby Slapper
Joined: 24 Nov 2010 Karma :  
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| Hetzer |
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 Hetzer Super Spammer

Joined: 19 Feb 2007 Karma :     
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| Marmalade |
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 Marmalade World Chat Champion

Joined: 28 Apr 2009 Karma :    
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 Posted: 12:47 - 26 Jan 2011 Post subject: |
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Looks like a fault with your photoshopped wires, the terminals are not up to the job. ____________________ Nobby the Bastard: How yo tell the difference between the actual japanese and her just screaming because she's had live fish stuck up her arse? [url=https://www.nicks-shop.co.uk/bcf-goodies-15-c.aspGet BCF stickers and things here[/url] Reflective helmet stickers - Legal requirement in france - Clicky |
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| robs321 |
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 robs321 Could Be A Chat Bot

Joined: 24 Feb 2010 Karma :   
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| CaNsA |
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 CaNsA Super Spammer

Joined: 02 Jan 2008 Karma :   
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 Posted: 12:23 - 27 Jan 2011 Post subject: |
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Still no answer as to which way the OP wants the motor to spin  |
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| SoND |
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 SoND World Chat Champion

Joined: 10 Jul 2005 Karma :  
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 Posted: 18:07 - 27 Jan 2011 Post subject: |
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Why does it matter? ____________________ Go back to bed - You have no rights - "Streetfighters ~ Mainstream motorcycling's crackwhore sister." |
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| doggone |
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 doggone World Chat Champion

Joined: 20 May 2004 Karma :    
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| CaNsA |
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 CaNsA Super Spammer

Joined: 02 Jan 2008 Karma :   
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| loply |
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 loply World Chat Champion

Joined: 24 Mar 2004 Karma :   
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 Posted: 19:56 - 27 Jan 2011 Post subject: |
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I'm unconcerned which way it spins. I've wired it as per the pic on the left.
It's tripping the 30mA RCD.... ____________________ Yamaha SZR660 Caution to the wind, the throttle pinned! |
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| tatters |
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 tatters Exxon Valdez

Joined: 05 Jan 2004 Karma :   
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 Posted: 20:32 - 27 Jan 2011 Post subject: |
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Check the windings with a megger
Check the centrifugal switch is working.
Use a proper single phase direct on-line starter not a bloody plug, protected with a D type 15 Amp MCB with the minimum size cable conductor size of 1.5mm.
if after this it is still tripping the motor by have moisture within it or internal fault thats not the windings (how was it stored?). ____________________ Past:NRG50,AF1125(x2),NSR125RR,ZZR250,CX500,VFR400,KR1S,ZZR600(x2),CB400N,YZF1000(x2),KH125,Z200,FX400R,CBR954RR(x2)GPZ500S,GT550,VFR750F(x2),RD350N,XR650R,CBR600F,CB250,KDX250,YZF750R,CRM250,400EXC,KLR650,TTR600RE,DR350S,R100GSPD,RGV250,VMAX1200,DL650,KZ750 Present:G650XC,C12,CRF450X,1190ADV |
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| Pete. |
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 Pete. Super Spammer

Joined: 22 Aug 2006 Karma :     
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 Posted: 21:00 - 27 Jan 2011 Post subject: |
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I doubt it has a centrifugal switch. ____________________ a.k.a 'Geri'
132.9mph off and walked away. Gear is good, gear is good, gear is very very good  |
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| SoND |
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 SoND World Chat Champion

Joined: 10 Jul 2005 Karma :  
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| CaNsA |
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 CaNsA Super Spammer

Joined: 02 Jan 2008 Karma :   
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| SoND |
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 SoND World Chat Champion

Joined: 10 Jul 2005 Karma :  
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 Posted: 06:07 - 28 Jan 2011 Post subject: |
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He's having a problem with the power, direction of the motor is irrelevant to power consumption. If you look at his picture you can see that he has wired it correctly according to the diagram.
You trollin' me brah? ____________________ Go back to bed - You have no rights - "Streetfighters ~ Mainstream motorcycling's crackwhore sister." |
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| Stelmer |
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 Stelmer World Chat Champion

Joined: 31 Dec 2006 Karma :   
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| Codemonkey |
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 Codemonkey Crazy Courier

Joined: 18 Oct 2009 Karma :  
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| colin1 |
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 colin1 Captain Safety
Joined: 17 Feb 2005 Karma :  
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Old Thread Alert!
The last post was made 15 years, 253 days ago. Instead of replying here, would creating a new thread be more useful? |
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