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03-13-2010, 10:56 AM
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#1
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2 Rivet Member
Goffstown
, New Hampshire
Join Date: Sep 2009
Posts: 21
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Disconnecting the batteries
Any special order in which these should be disconnected??
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03-13-2010, 11:00 AM
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#2
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Site Team
2002 25' Safari
Dewey
, Arizona
Join Date: Mar 2005
Posts: 15,618
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Always remove the negative connection that goes to the trailer first. That will break the circuit if your wrench hits the frame when working on the other connections and prevent a short.
Remove negative first
Install positive first
__________________
Richard
Wally Byam Airstream Club 7513
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03-13-2010, 11:01 AM
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#3
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"Cloudsplitter"
2003 25' Classic
Houstatlantavegas
, Malebolgia
Join Date: Jun 2007
Posts: 20,000
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I always do neg first.. Slide the ends into short lengths of rubber hose and repeat.
__________________
I’m done with ‘adulting’…Let’s go find Bigfoot.
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03-13-2010, 11:05 AM
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#4
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Maniacal Engineer
1971 25' Tradewind
Lopez Island
, Washington
Join Date: Jan 2010
Posts: 1,244
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1) Disconnect AC power if connected.
You don't want to run the Univolt/converter/... w/o a
battery connected unless the unit is explicitly designed
to support that mode of operation.
2) Disconnect ground (black) going into the battery box.
Ground is disconnected first in case the battery box or
surrounding structure is grounded. This way, inadvertent
contact of the wrench & surrounding metal doesn't cause
problems (sparks, explosions, etc).
3) Disconnect hot (red) going into the battery box.
It's now safe to disconnect the hot lead, since the
surroundings are now electrically isolated from the
battery.
4) Disconnect cables linking the two batteries together in
either order.
- Bart
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03-13-2010, 07:20 PM
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#5
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2 Rivet Member
Goffstown
, New Hampshire
Join Date: Sep 2009
Posts: 21
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Excellent info, makes sense. Thanks all.
Bob
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06-02-2011, 02:31 PM
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#6
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2 Rivet Member
2008 19' International CCD
MONROEVILLE
, Alabama
Join Date: Dec 2010
Posts: 27
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bart,
I have just posted a question about running the converter w/o batteries connected. I jsut found that you answered this below sometime back. Do you think it would be ok to connect an old and barely serviceable battery just to keep the converter from being damaged? I maintain my abtteries on a batteryminder and I want to have a/c power on the TT to run a dehumidifier/heater.
Quote:
Originally Posted by barts
1) Disconnect AC power if connected.
You don't want to run the Univolt/converter/... w/o a
battery connected unless the unit is explicitly designed
to support that mode of operation.
2) Disconnect ground (black) going into the battery box.
Ground is disconnected first in case the battery box or
surrounding structure is grounded. This way, inadvertent
contact of the wrench & surrounding metal doesn't cause
problems (sparks, explosions, etc).
3) Disconnect hot (red) going into the battery box.
It's now safe to disconnect the hot lead, since the
surroundings are now electrically isolated from the
battery.
4) Disconnect cables linking the two batteries together in
either order.
- Bart
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06-02-2011, 03:51 PM
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#7
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4 Rivet Member
1999 25' Safari
On
, the road
Join Date: Aug 2010
Posts: 298
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Quote:
Originally Posted by AUTAILGATER
bart,
I have just posted a question about running the converter w/o batteries connected. I jsut found that you answered this below sometime back. Do you think it would be ok to connect an old and barely serviceable battery just to keep the converter from being damaged? I maintain my abtteries on a batteryminder and I want to have a/c power on the TT to run a dehumidifier/heater.
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Why not just flip the circuit breaker for the converter or unplug the converter? (Most have a normal 120v plug).
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