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Old 07-26-2021, 02:26 PM   #1
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Norcold 1210 Light Power

I'm looking to add a fan to the interior of my fridge. Can anyone confirm if the Norcold 1210 does, or does not, have constant power at the light (with the doors closed)?

Thanks.
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Old 07-26-2021, 03:05 PM   #2
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You should see an on/off switch in the ceiling of the refrigerator that the door opens closes to supply power to the light. When that door is open it allows the switch to close, completing the circuit to ground.
ref: owners manual pg 16
I thought those fan kits came with instructions?
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Old 07-26-2021, 03:10 PM   #3
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Isn't that the classic refrigerator question, is the light on when the door is closed? I don't think there is power to the light when the door is closed - light is off :-). There is power to the switch, but on the Norcold 1211 in my previous MH the back of the switch was difficult to access. I ran a wire from the backside 12v supply through the condensate drain into interior of the fridge. I installed 3 print head fans - 1 centered in the back just below the fins and 1 on each side near the top all blowing down. I also installed an additional computer fan in the back at the top on the enclosure. The fans seemed to help the Norcold stay colder.
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Old 07-26-2021, 04:56 PM   #4
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Sometimes, it's just easier to fish a 12 volt lead through the drain tube at the back of the refer. That way you can power it right off the refer main power.
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Old 07-27-2021, 11:20 AM   #5
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Thanks for the replies. I confirmed I don't have power to the light when the doors are closed so I'm going to run the power thru the drain tube.

Can you just remove the drain tube plug at the end or should I cut a small hole to fish the wire thru further up the tube (and silicon the wire where it exits the tube)?

Also, I have 2 12v+ connections at the back of the fridge, read and blue. Both have power when the fridge is turned on. Does it matter which I tap into?
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Old 07-27-2021, 12:15 PM   #6
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Run the wire, notch the plug and reinstall. Use whichever power is constant and add a small fuse for safety.
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Old 07-27-2021, 12:31 PM   #7
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peco-

I wanted the wire to exit the drain tube further up than at the end, so I cut the tube, inserted a small piece of surgical tubing, then slit the surgical tubing for the wire. Put a little dab of silicone on the slit.

[I don't know about other folks, but I found the tube did not drain well before I put the wire in it, so I removed the "bug plug" at the end and let it drain into an aluminum can, rather than the cup at the bottom of the Norcold. That worked well.]

As far as 12V sources go, the 1210 should have a 12V positive and negative lead at the bottom left of the control board. I recommend using a piggyback connector; this link shows one of several types that should work for your application.
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Old 07-27-2021, 03:40 PM   #8
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Thanks again for the replies. On my 1210, this connector has 2 12v +. I think one says 'out'. From the manual, it says this is a temperature switch and when the fridge is on, these has 12v. When the fridge is off, these have no power.

Would this be a good place to tap for power?
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Old 07-27-2021, 04:45 PM   #9
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peco-

That picture is of the Norcold safety "recall" box. I would not tap into any of those connections.

The control board, by your picture, is right below it. I suggest you use the 12V that goes to that board. Your coach supplies 12V to the Norcold there.

The 1200-series had a few designs for that control board. See the pictures of two control board designs on page 5 (PDF sheet 6, link here) of this manual from JC Refrigeration. I erred in my earlier post; the 12V connectors are often on the bottom-right of the control board, not the bottom-left.

If you can take a photo of the control board and post it, we can provide better guidance.
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Old 07-29-2021, 06:50 AM   #10
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Thanks again. Here is a picture of the fridge power. Looks like the red striped wire may be 12v +? Would this be always on or only on when the fridge is on. I would prefer the fan to be powered only when the fridge is on.

Thanks.
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Old 07-29-2021, 07:56 AM   #11
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what fan or fans is everybody using?
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Old 07-29-2021, 11:47 AM   #12
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Sorry...forgot to attach the pictures. I am looking at the JC Refrigeration fin fan; https://www.amazon.com/DutchAire-RV-...s%2C226&sr=8-4

or the Cooling Unit Warehouse 5 fan; https://rvcoolingunit.com/Norcold-4-...-P5819508.aspx

These are for the inside of the fridge. I will also be investigating fans for the roof.
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Old 07-29-2021, 12:01 PM   #13
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I have the fin fan from JC Refrigeration and it works very well.
It is cheaper if you purchase directly from them.
https://jc-refrigeration.com/product...an-23-a-12v-u/
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Old 07-29-2021, 12:04 PM   #14
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YES....the RED/white striped wire is the 12VDC POS to circuit board
WHITE is the 12VDC NEG



Roof Fans enhance the DRAFT which is more important in cooling then the interior fan in food compartment
That fan helps circulate the cold air from FINS but cold refrigerator is directly a result of DRAFT
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