Home » Public Forums » GMCnet » Mounting an automatic transfer switch (In a GMC coach layout, where did you put it.)
| Mounting an automatic transfer switch [message #259884] |
Sun, 24 August 2014 06:01  |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
Karma: 15
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In yet another project I'm going to try and get done before Wisconsin, I purchased a Progressive Dynamics automatic transfer switch. (auto switches over from house to generator power without having to move the plug) Looks very simple to install. The only question is where to put it?
It's not that big (8 x 10 x 5.5") but it won't fit in the electrical cabinet. My cabinet already has a PD AC/DC converter and a nice 12V distribution panel and is pretty well filled up.
So you folks with GMC coaches (not transmodes), where have you put yours?
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
[Updated on: Sun, 24 August 2014 06:04] Report message to a moderator |
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| Re: Mounting an automatic transfer switch [message #259890 is a reply to message #259884] |
Sun, 24 August 2014 08:17  |
kerry pinkerton
Messages: 2565
Registered: July 2012
Location: Harvest, Al
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I also noticed there was a lot of extra space in the box. I thought about doing the same thing. If you have the photo it would be nice to see.
Kerry Pinkerton - North Alabama
Had 5 over the years. Currently have a '06 Fleetwood Discovery 39L
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| Re: [GMCnet] Mounting an automatic transfer switch [message #259892 is a reply to message #259890] |
Sun, 24 August 2014 08:41 |
sgltrac
Messages: 2797
Registered: April 2011
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The one in my 77 royale is on the rearward wall of the Onan box where the shore power cord is stored.
Todd Sullivan
Sully
77 royale
Seattle
> On Aug 24, 2014, at 6:18 AM, Kerry Pinkerton wrote:
>
> I also noticed there was a lot of extra space in the box. I thought about doing the same thing. If you have the photo it would be nice to see.
> --
> Kerry Pinkerton
>
> North Alabama, near Huntsville,
>
> 77 Eleganza II, "The Lady", 403CI, Manny Brakes, 1 ton, tranny also a 76 Eleganza to be re-bodied as an Art Deco car hauler
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Sully
77 Royale basket case.
Future motorhome land speed record holder(bucket list)
Seattle, Wa.
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| Re: Mounting an automatic transfer switch [message #259895 is a reply to message #259884] |
Sun, 24 August 2014 09:17 |
rjw
Messages: 697
Registered: September 2005
Karma: 4
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Kerry Pinkerton wrote on Sun, 24 August 2014 07:01In yet another project I'm going to try and get done before Wisconsin, I purchased a Progressive Dynamics automatic transfer switch. (auto switches over from house to generator power without having to move the plug) Looks very simple to install. The only question is where to put it?
It's not that big (8 x 10 x 5.5") but it won't fit in the electrical cabinet. My cabinet already has a PD AC/DC converter and a nice 12V distribution panel and is pretty well filled up.
So you folks with GMC coaches (not transmodes), where have you put yours?
Your 12v distribution panel must be pretty big to not allow enough space for a generator transfer switch. Mine is on the back wall behind the 120 volt panel.
http://www.palmbeachgmc.com/gmc/gmc_images/electricalcompartment3.jpg
Richard
76 Palm Beach
SE Michigan
www.PalmBeachGMC.com
Roller Cam 455, TBI+EBL, 3.42 FD, 4 Bag, Macerator, Lenzi (brakes, vacuum system, front end stuff), Manny Tranny, vacuum step, Tankless + OEM water heaters.
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| Re: Mounting an automatic transfer switch [message #259904 is a reply to message #259884] |
Sun, 24 August 2014 10:56 |
habbyguy
Messages: 896
Registered: May 2012
Location: Mesa, AZ
Karma: 3
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My beloved PO redid most of the systems in my coach, and put the electrical box and major components under the bed platform he added. Here's a photo of the bed flipped up, showing the storage, and the pull-out drawer. Really ingenious...
http://www.habcycles.com/underbedsm.jpg
Behind the pull-out drawer, from left to right is the breaker box, the generator termination, and the inverter (that I added). The autoswitch doesn't show, but is mounted near the inverter on the floor. The only drawback to this approach is that you end up with some pretty long cables to power the inverter and other 12VDC loads, but that was fixed easily enough with some 1/0 and 2/0 copper cables. I really like this arrangement because it puts everything where it's easy enough to get to (by pulling out the drawer and crawling into the space under the bed). It's also a pretty good spot to hide stuff (note the two latches on the platform - push those in and it feels like the bed platform is permanent).
Every coach seems to be different, and mine is one of the "most different"... I'm really not sure many times as to whether I'm looking at GMC's work or someone else's. But whoever did this one got it right!
Mark Hickey
Mesa, AZ
1978 Royale Center Kitchen
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| Re: [GMCnet] Mounting an automatic transfer switch [message #259905 is a reply to message #259900] |
Sun, 24 August 2014 10:52 |
James Hupy
Messages: 6806
Registered: May 2010
Karma: -62
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Well, I have a side dry bath 78 Royale up fitted by Coachman (Jimmy
Industries) It came with fore and aft rear beds with hanging bunks above
with a built in cabinet between them at the rear. The base of the cabinet
housed the 120 volt circuit breakers, the buzz box, and the 12 volt fuses
for the house circuits. Busy place. There are also plumbing drain valves
located there. After the old buzz box boiled all the water out of my T-105
Trojan deep cycles for the last time, I undertook a quest to update that
"STUFF" in there. First, out came the Buzz Box. Man is that thing heavy. In
went the PD 60 amp converter. Smaller, lighter, taper charges the
batteries, QUIET. Good upgrade. All new heavier cables. Then, a crosswise
queen size bed. Great upgrade, but hard to access the utilities. When the
generator is used, had to tear up the bed to switch the toggle breaker. Not
Good. Then lastly, automatic 50 amp transfer switch. It has a 20 second
delay circuit on the generator side to allow the volts to stabilize before
it switches. Great improvement. No more tearing the bed up to run the
generator. Happy wife. BIG IMPROVEMENT ANYTIME. Anyway, it all fits in the
space where the cabinet was.
Jim Hupy
Salem, Or
On Aug 24, 2014 8:31 AM, "Mike Sauer" wrote:
> Just got mine all connected up yesterday. I put the transfer switch in
> the external box with the cord. That way I could connect the shore power
> cord
> and a short plug to the generator plug. It is a tight fit with the cord in
> there. Then I put the Progressive Industries EMS (Electrical Management
> System) on the interior wall of the shore power cabinet under the bathroom
> counter. The final piece was the Progressive Dynamics power distribution
> center which is temporarily under the sink. I am not ready to rewire
> everything to get it to a better place. That will be part of a later
> remodel. I
> am very happy with the setup except for the constant relay hum. :)
>
> Good luck with your project.
> --
> Mike Sauer
> Toledo, OR
> 1975 26' Avion
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| Re: Mounting an automatic transfer switch [message #259923 is a reply to message #259884] |
Sun, 24 August 2014 14:12 |
rvanwin
Messages: 325
Registered: April 2007
Location: Battlefield, MO
Karma: 6
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Kerry Pinkerton wrote on Sun, 24 August 2014 06:01In yet another project I'm going to try and get done before Wisconsin, I purchased a Progressive Dynamics automatic transfer switch. (auto switches over from house to generator power without having to move the plug) Looks very simple to install. The only question is where to put it?
It's not that big (8 x 10 x 5.5") but it won't fit in the electrical cabinet. My cabinet already has a PD AC/DC converter and a nice 12V distribution panel and is pretty well filled up.
So you folks with GMC coaches (not transmodes), where have you put yours?
I have a GMC 26' standard wet bath layout. I put my transfer switch behind the close wall (the part that slant upward). Fairly easy to take that part of the wall out. There is a lot of room behind the wall and it is right next to the electrical access box where the cord is stored as well as the electrical panel so it makes it fairly easy to make the hookups.
Love the transfer switch except for the hum when on 20 or 30 amp service. Doesn't seem to hum when hooked up to 50 amp service. I sent the first PD switch back but the replacement had the same hum. My buddy, George, put one on his coach and no hum (I think his was an Iota which is now discontinued).
Randy & Margie
'77 Eleganza II '403'
Battlefield, MO
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