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GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #20 on: December 04, 2011, 05:50:51 pm »
Cables can overheat if coiled up on a reel. I don't know if this is what happened with yours?
But it sounds as if the problem may be related to your extension lead somewhere along the line.
oh right ok, thanks for the answer mate

Cedaronics

  • Posts: 45
Re: oil fill rad first run fail!
« Reply #21 on: December 04, 2011, 05:54:11 pm »
If you don't unwind all of it, you are making a giant electro-magnet.  And it gets very hot, very quickly.

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #22 on: December 04, 2011, 05:58:47 pm »
If you don't unwind all of it, you are making a giant electro-magnet.  And it gets very hot, very quickly.
oh right, thanks alot for that mate! right im off to unwind it all! now!

thanks again everyone!

george

simon w

  • Posts: 1716
Re: oil fill rad first run fail!
« Reply #23 on: December 04, 2011, 06:51:21 pm »
Oil filled still needs electric to work.

Not unless he held a seance to try and get it working that way ;D

OK  ;D I thought you Guy's were referring to paraffin type heaters  :o I'll get my coat  ;D

Llaaww

  • Posts: 2260
Re: oil fill rad first run fail!
« Reply #24 on: December 04, 2011, 07:02:30 pm »
If you don't unwind all of it, you are making a giant electro-magnet.  And it gets very hot, very quickly.
oh right, thanks alot for that mate! right im off to unwind it all! now!

thanks again everyone!

george
you need to fully unwind any extension lead, or they become a serious fire risk. Your lucky the van was still there in the morning.
if it is dirty it is fair game

Smudger

  • Posts: 13459
Re: oil fill rad first run fail!
« Reply #25 on: December 04, 2011, 07:14:34 pm »
If you don't unwind all of it, you are making a giant electro-magnet.  And it gets very hot, very quickly.
oh right, thanks alot for that mate! right im off to unwind it all! now!

thanks again everyone!

george
you need to fully unwind any extension lead, or they become a serious fire risk. Your lucky the van was still there in the morning.

but at least what might be left would be nice and warm........... :-X

Darran
Never argue with an idiot, they will only bring you down to their level, and beat you with experience

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #26 on: December 04, 2011, 07:31:52 pm »
Oil filled still needs electric to work.

Not unless he held a seance to try and get it working that way ;D

OK  ;D I thought you Guy's were referring to paraffin type heaters  :o I'll get my coat  ;D
hehehe ;)

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #27 on: December 04, 2011, 07:32:53 pm »
If you don't unwind all of it, you are making a giant electro-magnet.  And it gets very hot, very quickly.
oh right, thanks alot for that mate! right im off to unwind it all! now!

thanks again everyone!

george
you need to fully unwind any extension lead, or they become a serious fire risk. Your lucky the van was still there in the morning.

bloody hell im luck y then ! :o

stuart mc

  • Posts: 7775
Re: oil fill rad first run fail!
« Reply #28 on: December 04, 2011, 07:45:04 pm »
no really GB that is why your reel has an rcd to cut off before that happens ;)

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #29 on: December 04, 2011, 07:48:54 pm »
no really GB that is why your reel has an rcd to cut off before that happens ;)
oh right, i see! by the way what does rcd stand for please? thankyou!

george

stuart mc

  • Posts: 7775
Re: oil fill rad first run fail!
« Reply #30 on: December 04, 2011, 07:59:02 pm »
residual current device, if it gets overloaded it cuts power, but cheaper reels will not have it so you must have a half decent one

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #31 on: December 04, 2011, 08:19:45 pm »
residual current device, if it gets overloaded it cuts power, but cheaper reels will not have it so you must have a half decent one
thankyou. yesh its not the cheapest one from wikes  ;D but not the most expensive either!
ive just been to check on it and realized its cut out again due to the fact its pluged into a thin 110 v light cable! so ive plugged it into the other powerpintint which has a thicker 320 v cable! at least thats my new theory!  8)

Spruce

  • Posts: 8649
Re: oil fill rad first run fail!
« Reply #32 on: December 04, 2011, 10:11:30 pm »
can anyone explain the reasin for this?

A coil of wire such as your cable on a drum can create a magnetic field with a high current draw. It works the same way as a field coil in an electric motor. The magnetic field can cause the wires to get very hot and melt. We used to see this quite often in the power tool industry where motors with high current draw were on unwound cable drums.
Happened more so at high altitude (6000' above sea level) and in the hotter months.
Success is 1% inspiration, 98% perspiration and 2% attention to detail!

The older I get, the better I was ;)

GB Window Cleaning

  • Posts: 3262
Re: oil fill rad first run fail!
« Reply #33 on: December 04, 2011, 10:34:41 pm »
can anyone explain the reasin for this?

A coil of wire such as your cable on a drum can create a magnetic field with a high current draw. It works the same way as a field coil in an electric motor. The magnetic field can cause the wires to get very hot and melt. We used to see this quite often in the power tool industry where motors with high current draw were on unwound cable drums.
Happened more so at high altitude (6000' above sea level) and in the hotter months.
thanks for that detailed explination spruce! thanks again mate!

george

Griffus

  • Posts: 1942
Re: oil fill rad first run fail!
« Reply #34 on: December 04, 2011, 11:08:33 pm »
Always unwind leads, especially if running 3kw and double especially if using on something like a rad where it'll be running for hours unattended.

FIRE HAZARD