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06-12-2007, 06:29 AM
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#1
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Junior Member
Join Date: Aug 2006
Posts: 28
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I was put it contact with Mike Swensin, 206-369-2665, who is a technician at Zantrex. He explained how to wire the AGS to start the generator to control the heat or air-conditioners ONLY if shore power is lost.
On my coach, behind the zantrex control panel and tank level gauges there is a Duo-Therm electrical box. On the left side there is a white plastic plug with two orange wires that exit, one goes to the Zantrex control panel the other is connected to a yellow wire (from the AGS module behind TV). Run a new wire, I used a 16 gauge speaker wire, one end connected to the yellow and one connected to the orange, down and through the firewall and all the way back to the Surge Guard electrical box (well marked) located in the center of the coach, mounted on the basement roof, behind and just forward of the automatic shore power cord container. Remove cover and run a wire from the white and black terminals on the ˜outlet' side to a ˜normally closed' relay. I mounted an electrical box to the basement ceiling and placed the relay inside. On the relay I used, the wire from front of coach gets connected to terminal numbers 3 & 9. The wire from the Surge Guard gets connected to the two terminals that are not marked on the relay.
What I did was to interrupt the signal from the coach's Comfort Control thermostat to the AGS module. Now, with shore power present, the relay is open or not calling for heat or cooling. When power is lost the relay closes and if the coach is calling for heat or cooling the generator will start, after a one or two minute delay.
5X838
Square Base General Purpose Relay, Number of Pins 8, Contact Form DPDT, Contact Current Rating @ 28VDC 12 Amps, @ 120VAC 13 Amps, @ 240VAC 18 Amps DAYTON
5X838-M $11.10
www.grainger.com
5X853
Relay Socket, Number of Pins 11, Mounting DIN/Screw, Length 3.00 Inches, Depth 1.03 Inches, Width 1.70 Inches, Current Rating 15 Amps DAYTON
5X853-M 8.89
Good luck,
Bob Brown
__________________
WRV Alpine Coach Limited 2005 40'
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06-12-2007, 06:29 AM
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#2
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Junior Member
Join Date: Aug 2006
Posts: 28
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I was put it contact with Mike Swensin, 206-369-2665, who is a technician at Zantrex. He explained how to wire the AGS to start the generator to control the heat or air-conditioners ONLY if shore power is lost.
On my coach, behind the zantrex control panel and tank level gauges there is a Duo-Therm electrical box. On the left side there is a white plastic plug with two orange wires that exit, one goes to the Zantrex control panel the other is connected to a yellow wire (from the AGS module behind TV). Run a new wire, I used a 16 gauge speaker wire, one end connected to the yellow and one connected to the orange, down and through the firewall and all the way back to the Surge Guard electrical box (well marked) located in the center of the coach, mounted on the basement roof, behind and just forward of the automatic shore power cord container. Remove cover and run a wire from the white and black terminals on the ˜outlet' side to a ˜normally closed' relay. I mounted an electrical box to the basement ceiling and placed the relay inside. On the relay I used, the wire from front of coach gets connected to terminal numbers 3 & 9. The wire from the Surge Guard gets connected to the two terminals that are not marked on the relay.
What I did was to interrupt the signal from the coach's Comfort Control thermostat to the AGS module. Now, with shore power present, the relay is open or not calling for heat or cooling. When power is lost the relay closes and if the coach is calling for heat or cooling the generator will start, after a one or two minute delay.
5X838
Square Base General Purpose Relay, Number of Pins 8, Contact Form DPDT, Contact Current Rating @ 28VDC 12 Amps, @ 120VAC 13 Amps, @ 240VAC 18 Amps DAYTON
5X838-M $11.10
www.grainger.com
5X853
Relay Socket, Number of Pins 11, Mounting DIN/Screw, Length 3.00 Inches, Depth 1.03 Inches, Width 1.70 Inches, Current Rating 15 Amps DAYTON
5X853-M 8.89
Good luck,
Bob Brown
__________________
WRV Alpine Coach Limited 2005 40'
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06-12-2007, 07:56 AM
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#3
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Senior Member
Join Date: Aug 2004
Posts: 341
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Bob,
A timely posting. I was just reading up on the AGS last night and was a little disappointed that it only kicked in when the battery level dropped. I wanted it to do just what you've accomplished. I assume as I have a 2005 also (and a self-installed Surge Guard), that all your directions will work perfectly. Thanks!!
__________________
David Horn, TX; 2014 40ft Phaeton QTH; 2014 Mazda CX5; 2013 Can-AM Spyder RT-S on TandemTow trailer; Traveling with Ringo (an English Cocker)
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06-12-2007, 09:07 AM
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#4
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Senior Member
Join Date: Nov 2005
Posts: 7,383
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Wow--do I understand correctly that you are running 110V AC current thru "speaker wire"? or is it just 110V thru UL-approved wire from the Surge Guard to the new relay and then 12V from there?
__________________
Old Scout
2015 IH45 Foretravel
2003 Alpine 40' MDTS [Sold]
New Braunfels, Texas
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06-12-2007, 09:33 AM
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#5
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Junior Member
Join Date: Aug 2006
Posts: 28
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Nope...It's low amp 24 volt dc
__________________
WRV Alpine Coach Limited 2005 40'
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06-12-2007, 09:34 AM
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#6
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Junior Member
Join Date: Aug 2006
Posts: 28
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12 volt...the relay is rated for 24 volts.
__________________
WRV Alpine Coach Limited 2005 40'
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06-12-2007, 09:41 AM
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#7
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Senior Member
Alpine Owners Club
Join Date: Oct 2004
Location: Las Vegas, NV
Posts: 629
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Bob,
Now that you have rewired your AGS to start when you lose shore power, does it still work as it's supposed to when you are dry camping. That is, will it still start the gen when your batteries drop below a certain level?
Since we have a dog, I really like the idea of having the AGS kick on if shore power is lost and cooling is needed. We don't dry camp a lot, but we do on occasion, so I want to be sure it still works then, too.
Thanks for a great posting!
__________________
Gail, John & Mindy Stacy
2007 Alpine SE 40FDQS, 2011 Equinox
ACA & Alpine SoCal
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06-12-2007, 10:55 AM
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#8
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Senior Member
Alpine Owners Club
Join Date: Apr 2006
Posts: 133
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Bob,
Great info. Thanks for taking the time to provide this info. It is appreciated. Looks like we have the same year coach as well.
Questions:
1. I assume when the shore power returns, the relay opens and the generator stops allowing shore power to support heating or cooling again?
2. What happens when the set temperature is obtained and the a/c unit stops running? Will the generator stop and then start again when appropriate or does it continue to run until shore power is available?
Jim McIntosh
2005 Alpine Limited 40' FDTS
__________________
2005 40' Limited FDTS
Brandywine
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06-12-2007, 03:19 PM
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#9
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Senior Member
Join Date: May 2004
Location: Auburn, CA, Havasu, AZ & Mulege, BCS
Posts: 5,385
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Bob, Who'd you get to shorten your coach like that, or did you do it yourself? I'll bet it turns on a dime! Can you post photos?
__________________
Baja-tested '08 2-slide 36'
Alpine: The Ultimate DIY'er Project
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06-13-2007, 05:33 AM
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#10
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Senior Member
Alpine Owners Club
Join Date: Oct 2004
Location: Las Vegas, NV
Posts: 629
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Mike, you are toooooo funny!
__________________
Gail, John & Mindy Stacy
2007 Alpine SE 40FDQS, 2011 Equinox
ACA & Alpine SoCal
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06-14-2007, 02:36 AM
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#11
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Junior Member
Join Date: Aug 2006
Posts: 28
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Gail & John,
The AGS will shut down the generator when shore power returns or the coach is not calling for heating or cooling...after delays that are adjustable from the Zantrex control panel.
The AGS works as set so it will start to charge batteries if it is set to.
__________________
WRV Alpine Coach Limited 2005 40'
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06-14-2007, 02:39 AM
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#12
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Junior Member
Join Date: Aug 2006
Posts: 28
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EngineerMike,
Guess I'll have to figure out how to change the coach back to it's original size...
Smile
__________________
WRV Alpine Coach Limited 2005 40'
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