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03-29-2018, 11:26 PM
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#57
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Senior Member
Newmar Owners Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Nov 2016
Location: Tucson, Arizona
Posts: 1,580
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Parallax ATS 503 Color Coded Wiring to Shore Power and Onan Quiet Diesel 7500
Hello all,
I received my new Parallax ATS 503 yesterday but it rained all day. So I tackled removal of the old one and installation of the new one today. I am happy to say that I now have a working ATS.
Please note* if you are wiring a Parallax ATS 503 make sure you install the ground wires first or you will have to remove all other wiring to get to the ground lugs. Ask me how I know. Also, if you are using these photos as a guide you are on your own and I assume no responsibility or liability for your mistakes in your wiring or equipment smoking profusely.
I was asked to take photos of the installation and label them. I was also asked to take voltage readings with all wiring in place and voltage was applied to the switch.
L1 - 123.2 Volts and L2 - 123.1 Volts from the generator with the relays on the ATS energized.
L1 - 123.0 Volts and L2 124.1 Volts from shore power with the relays on the ATS energized.
Wiring in progress
(click the bar above the photo to see the labels)
Wiring inside the ATS completed
(click the bar above the photo to see the labels)
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03-30-2018, 03:06 AM
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#58
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Senior Member
Join Date: Jul 2014
Posts: 35,413
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I see that you split up the gen. neutrals to 2 connection points.
Was that per the instructions.
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03-30-2018, 04:09 AM
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#59
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Senior Member
Join Date: Jun 2011
Location: FL
Posts: 11,441
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Great job and thanks for the report and pictures.
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Certified Senior Electronic Technician, Telecommunications Engineer, Telecommunications repair Service Center Owner, Original owner HR 2008
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03-30-2018, 08:43 AM
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#60
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Senior Member
Newmar Owners Club Freightliner Owners Club iRV2 No Limits Club
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Location: Tucson, Arizona
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Quote:
Originally Posted by twinboat
I see that you split up the gen. neutrals to 2 connection points.
Was that per the instructions.
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Yes, I had my doubts about L2 from the generator getting voltage and being able to activate. I called Parallax and their engineering department verified that I should use the generator auxiliary lug. I don't know that L2 would have been affected but I changed it anyway.
I am shipping back the old unit today. Now I hold my breath until they figure out if the old one was faulted from a voltage spike. If so, I have more fish to fry. That $315 is fluttering around in my billfold for now.
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03-30-2018, 08:45 AM
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#61
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Senior Member
Newmar Owners Club Freightliner Owners Club iRV2 No Limits Club
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Location: Tucson, Arizona
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Quote:
Originally Posted by YC1
Great job and thanks for the report and pictures.
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Thanks, I appreciate it. I felt it necessary to show the finish wiring and title those last photos so people could find it in a search. I had a heck of a time finding any previous wiring photos of actual wiring of the "Parallax ATS 503" when I searched.
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03-30-2018, 10:15 AM
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#62
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Moderator Emeritus
Nor'easters Club Workhorse Chassis Owner iRV2 No Limits Club
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Posts: 30,785
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Thanks Charlie for detailed post of wiring looks different from previous we have seen.
I will place your experience in a location, for all to see.
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03-30-2018, 10:31 AM
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#63
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Senior Member
Newmar Owners Club Spartan Chassis
Join Date: Aug 2015
Location: Northwest Washington State or Western Montana, depending on the season.
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Well done, Charlie. Your approach to this whole issue has been stellar! And, your follow-up is much appreciated.
A bulldog with a bone has nothing on you when it comes to persistence. And, you have left a lasting legacy for the next person who runs into a similar problem. A tip of the cap to you, Charlie!
TJ
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03-30-2018, 07:13 PM
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#64
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Senior Member
Newmar Owners Club Freightliner Owners Club iRV2 No Limits Club
Join Date: Nov 2016
Location: Tucson, Arizona
Posts: 1,580
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Quote:
Originally Posted by Tranquil Jim
Well done, Charlie. Your approach to this whole issue has been stellar! And, your follow-up is much appreciated.
A bulldog with a bone has nothing on you when it comes to persistence. And, you have left a lasting legacy for the next person who runs into a similar problem. A tip of the cap to you, Charlie!
TJ
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Very much appreciated sir.
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