Coast Resorts Open Roads Forum: Tech Issues: DC voltage drop to fridge
Open Roads Forum Already a member? Login here.   If not, Register Today!  |  Help

Newest  |  Active  |  Popular  |  RVing FAQ Forum Rules  |  Forum Help and Support  |  Contact

Search:   Advanced Search

Search only in Tech Issues

Open Roads Forum  >  Tech Issues

 > DC voltage drop to fridge

This Topic Is Closed  |  Print Topic  |  Post New Topic  | 
pianotuna

Regina, SK, Canada

Senior Member

Joined: 12/18/2004

View Profile


Online
Posted: 09/07/10 04:17pm Link  |  Print  |  Notify Moderator

Hi,

I've read on rvnet that Norcold fridges will not tolerate voltages higher that 15.4. Is the same thing true for Dometic?

What about the other control boards in an RV?

Has anyone measured the voltage drop to the fridge control board?

My Blue Sky charge controller can equalize--at 15.5 volts, but I don't wish to burn out any of the control boards in my RV.


Regards, Don
Kustom Koach Class C 28'5" 256 watts solar, 875 amp hours in two battery banks 12 volt batteries 2500 watt inverter.

midnightsadie

ohio

Senior Member

Joined: 01/07/2008

View Profile


Offline
Posted: 09/07/10 04:21pm Link  |  Print  |  Notify Moderator

mine has a fuse on the board.

enblethen

Moses Lake, WA

Senior Member

Joined: 01/05/2005

View Profile



Good Sam RV Club Member


Posted: 09/07/10 04:25pm Link  |  Print  |  Notify Moderator

Fuses do not protect against high voltage.
You should not have any voltages that would come close to the 15.5 volt level unless there is some type of malfuntion.


Bud
USAF Retired
Suzuki XL7 pushing Pace Arrow



Ivylog

Blairsville, Ga. USA

Senior Member

Joined: 06/30/2004

View Profile


Offline
Posted: 09/07/10 04:41pm Link  |  Print  |  Notify Moderator

My solar goes that high when equalizing and in 5 years it has not hurt anything but I have a Norcold. Bud, 15+ volts is normal for equalizing your batteries.


This post is my opinion (free advice). It is not intended to influence anyone's judgment nor do I advocate anyone do what I propose.

04 Monaco Dynasty 42' quad slide
Where am I?
How I tow.

wolfe10

Texas

Senior Member

Joined: 10/08/2000

View Profile


Offline
Posted: 09/07/10 06:29pm Link  |  Print  |  Notify Moderator

When I equalized (wet cell batteries-- have since switched to AGM's) I ALWAYS disconnected all house circuits just so I would not experiment with the effects of high voltage on the many systems with PC boards.


Brett Wolfe
1993 Foretravel 36' U-240
Cat 3116, Allison 3060

FMCA Forum: www.community.fmca.com/index

Caterpillar RV Engine Owner's Club: www.catrvclub.org


dougrainer

Carrolton, Texas

Senior Member

Joined: 06/11/2007

View Profile


Online
Posted: 09/07/10 06:35pm Link  |  Print  |  Notify Moderator

Whenever you Equalize, you are supposed to disconnect appliance's, they can be harmed by the higher dc voltage. Better to be safe than sorry. Doug

toban

Canada

Senior Member

Joined: 10/31/2003

View Profile


Offline
Posted: 09/07/10 09:32pm Link  |  Print  |  Notify Moderator

Doug, what do you mean by disconnecting appliances? Can you just turn off your 12 V diconnect button?

Toban

smkettner

Southern California

Senior Member

Joined: 03/21/2005

View Profile



Good Sam RV Club Member


Posted: 09/07/10 09:33pm Link  |  Print  |  Notify Moderator

I agree.... use the battery disconnect as part of equalizing.


2001 F150 SuperCrew
2006 Keystone Springdale 249FWBHLS
Send a PM if I missed something

88lover

Florida

Senior Member

Joined: 08/27/2005

View Profile


Offline
Posted: 09/08/10 12:20pm Link  |  Print  |  Notify Moderator

dougrainer wrote:

Whenever you Equalize, you are supposed to disconnect appliance's, they can be harmed by the higher dc voltage. Better to be safe than sorry. Doug
Doug, I started another thread on the TC forum but Reddog the moderator is moving the thread to this forum. I hhave a solar cell, flooded battery and a charge wizard and don't know how to equalize a battery. I just plugged into 30A then put the battery on line with the battery disconnect switch and thought that was all I ever had to do. Do I need to go out and buy some other equipment?





mena661

Southern California

Senior Member

Joined: 03/21/2009

View Profile


Offline
Posted: 09/08/10 01:54pm Link  |  Print  |  Notify Moderator

Does your solar controller have an equalize function?


2006 Ford F250 Lariat 6.0 PSD 2WD
2010 Keystone Outback Super-Lite 285FL 5er, Reese Signature Series 18K w/Manual Slider
Four Trojan L16 6V's (740Ah)


This Topic Is Closed  |  Print Topic  |  Post New Topic  | 

Open Roads Forum  >  Tech Issues

 > DC voltage drop to fridge
Search:   Advanced Search

Search only in Tech Issues


New posts No new posts
Closed, new posts Closed, no new posts
Moved, new posts Moved, no new posts

Adjust text size:

© 2012 Coast Resorts | Terms & Conditions | PRIVACY POLICY | YOUR PRIVACY RIGHTS