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Aquahot Electrical Diagram for Newell 240V wiring
#1
Hey All,

 Since it was a bit cooler today, I figured i would begin replacing the  cooked AH wiring for the 120V heating element.

I had printed a diagram to give myself a fighting chance to pull the correct wires to the correct places.

The diagram is for AH's with only the 120v heating element.

I have three holes punched out in the electrical (small removable pane on front) The top one goes to the Contactors and is easy to trace. Then I have the punchout on the right, wires going to the right. And TWO punchouts on the left an upper and a lower. Most of these appear shorted to the case, so checking continuity really didn't give me a good idea of what goes where.

Across the area where I have the limit thermostats there are two romex like shielded cables. One appears to go down to the 240V heating element...the other ?????

I have attached two pictures (terribly taken!)

Maybe someone has a diagram or knows how to wire it all up?

I'd really like to have at least the 240v working for winter storage at my house.

THANK YOU!


Attached Files Thumbnail(s)
                   
Be seeing you,

Rick Miller
#423
1996, 45'+, Non-slide, Series 60, ABS, 1.5 Bath, Reverse Floorplan


#2
Rick:
Call Rudy Leggett (Trainer), he is the resident Aquahot expert. Also peruse Roger Berke's site RV Hydronic Repair, there is a wealth of info on there including wiring harnesses.
Steve Magown
Calhoun, LA
2001 Prevost H3 Vantare
formerly Newell #458
#3
Thanks.. I spoke with Rudy and have emails out to the other folks. Seems like...as usual... I have a non-standard setup.

Learning every day!
Be seeing you,

Rick Miller
#423
1996, 45'+, Non-slide, Series 60, ABS, 1.5 Bath, Reverse Floorplan


#4
Wanderman,

There are a lot of service manuals at the documentation library at  Aquahot.com.  Maybe one of them covers your situation.  

You don’t say your model number but maybe they have the one you are looking for.

Bill
Bill Johnson
Birmingham, Alabama
#5
Bill,
It's the "standard" Newell install the 431XE/12 2 Heating elements 220v and 120v.

The main difference is I seem to have non-standard wiring and do not have the $500 DPST manual reset thermostat in the bottom right position.

Trying to figure it all out now.
Be seeing you,

Rick Miller
#423
1996, 45'+, Non-slide, Series 60, ABS, 1.5 Bath, Reverse Floorplan


#6
News!

After a TON of research and speaking to "vintage" folks (well more vintage than me at least! It was discovered that the DPST limit thermostat with manual reset was added sometime later than my AH serial number.

Although NO ONE had the proper wiring for what I currently have, there was/is a service bulletin from AH (S-112)  that goes over a kit to retrofit the old style to the new one. The wiring is way different.

I looked around for a less expensive source for the Sensata/Klixon DPST snap disc limit thermostat to no avail. Best price was around 450+shipping!

When I spoke with Newell they had them...for 384.00 not the best bargain, but incredibly the best price by far.

I am awaiting pricing from the manufacturer (through several master distributors) for this "unobtanium" part. Just in case.

I am likely going to run all new wires for each terminal as they go to different places and to different destinations.

Lot's of photos will follow as i do this. I'm learning a lot about my coach and all it's systems... I like that Smile


Attached Files
.pdf   Factory Service Bulletin - 112 (Newell Dual Element).pdf (Size: 773.92 KB / Downloads: 5)
Be seeing you,

Rick Miller
#423
1996, 45'+, Non-slide, Series 60, ABS, 1.5 Bath, Reverse Floorplan




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