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I have an: Atwood P/N MPD93253 2020-82 MICRO

Customer Question
I have an: Atwood P/N MPD93253...
I have an:
Atwood P/N MPD93253 2020-82
MICRO 50N-12-3-3-7-10-0-E23062
W/O(###) ###-####12VDC 1= .25A Iv=2A water heater
Im trying to install it In an old motor home
I need to know what wires are for what?
The water heater I took out of the motor home didn't have any wires I was ran only by propane. Please call me if you can XXX XXX XXXX
Submitted: 1 year ago.Category: RV
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Answered in 4 minutes by:
12/13/2015
RV Mechanic: Randall, RVIA Certification replied 1 year ago
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 12,136
Experience: RVDA/RVIA Master Certified Technician with many years experience.
Verified

Before I make the phone chat offer for you..........what is the model number on the data tag of the new water heater? I think that part number you gave me is just for the control board.

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

The data tag should be visible when you have the door open or off on the right side or bottom.

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Customer reply replied 1 year ago
What door 😊
RV Mechanic: Randall, RVIA Certification replied 1 year ago

The door on the water heater which is probably off right now.........look below the control board on that side.

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

Not the model number...........it will be below the control board and to the right of the burner.

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

Or just take a photo of the front and I can tell from that...........

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

That is a Suburban 6 gallon water heater with A/C element. I will add a copy of the Suburban water heater manual for you. See the wiring diagrams and also the one in the first photo you sent. See the wiring diagrams in there. If you still need a phone chat we can do that. http://bryantrv.com/docs2/docs/subsw.pdf

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Customer reply replied 1 year ago
K
RV Mechanic: Randall, RVIA Certification replied 1 year ago

Does that give you what you needed? Red is the incoming 12 VDC feed. Yellow is the ground lead. Blue is for the light on the switch. It comes on when the board goes into ignition and off when it ignites. You will need the #12 cable for the AC side and a switch unless the old one had AC as well. I think on that older model the AC will be on the rear (if it has that).

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

I don't think this will work unless you do a phone call.........I can't tell from the photo what incoming wiring you have.

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Customer reply replied 1 year ago
I already paid $5 ... Will I have to pay an additional $13 AND an additional $19 for a phone call? That'd be $37 total!! ??
RV Mechanic: Randall, RVIA Certification replied 1 year ago
I don't set the fees here...........you should be able to go by the manual and what I already gave you. IF NOT, then perhaps call a mobile tech to come and assist you. I suspect that is more than $37 though.
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Customer reply replied 1 year ago
Sorry, I wasn't trying to be rude. I just don't have that much on my card & didn't wanna pay an additional $35 overdraft fee is all.
Cant you just call me ?
XXX XXX XXXX
RV Mechanic: Randall, RVIA Certification replied 1 year ago

You need a positive lead to hook up to the red lead and a negative lead to hook up the yellow lead to and blue goes to the switch light. The red goes to the positive side of the switch. You need that to hook this up. And no, I can't call you as that would be against the site rule and I don't make them. Sorry!

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Customer reply replied 1 year ago
I'm not sure what the green wire is for or what to hook it up to. The manual dosn't say anything about the "green" wire
RV Mechanic: Randall, RVIA Certification replied 1 year ago

That is a ground lead and that is why it is hooked up to the white wire. IT and the yellow lead do the same thing really.

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RV Mechanic: Randall, RVIA Certification replied 1 year ago

If you look at the diagram, both of them are ground leads. One goes up to the switch and one grounds to the chassis someplace. You could hook it up to the ground lead on the pump. That is a black lead.

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Customer reply replied 1 year ago
Can I hook the blue wire up to the ground ?
RV Mechanic: Randall, RVIA Certification replied 1 year ago

No..........it has to power the light on the switch.

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Customer reply replied 1 year ago
There is no switch ??
RV Mechanic: Randall, RVIA Certification replied 1 year ago

You will need to get that part............

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Customer reply replied 1 year ago
Our old water heater we took out was just propane not AC , we only want to use this new water heater for AC with Power on all the time. I'm trying to use the power from the water pump
RV Mechanic: Randall, RVIA Certification replied 1 year ago

I think you need to have a mobile tech come over and assist you...........and I have to leave for the evening so I will opt of this and allow another tech to assist you.

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Customer reply replied 1 year ago
I haven't heard from anybody yet?
Customer reply replied 1 year ago
what's going on? I haven't heard from anybody???
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Randall
Randall
Randall, RVIA Certification
Category: RV
Satisfied Customers: 12,136
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Experience: RVDA/RVIA Master Certified Technician with many years experience.

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