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Old 02-04-2015, 03:41 PM   #1
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Posts: 630
Need help on installing ARP on Norcold fridge

Fridge is model 621
The install instructions are not very clear. I will connect the red and green wires to the 12V wires that go into the control box behind the access door. The boiler and fan sensor are simple and I will use the fan sensor to control the two fans I added up top and also the interior Fridge-Fix fan. That will be a good setup. The question is the yellow wire. One picture shows it going to the boiler housing thermal switch. The problem is that this switch is an option, believe it or not, and I don't have it. Another picture shows it going to the bottom of the control box but doesn't indicate where to connect it. The third picture shows the yellow wire with the wording " 12V power to fridge". What does that mean.
This has got to be simple but the manual is not clear at all, at least to me. If someone has installed a unit on the same or similar model I would appreciate your kind assistance. The Norcold 1200 is completely different so it doesn't apply. Thanks for any and all help!

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Old 02-05-2015, 07:49 PM   #2
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This may be shortest post ever. My original and now this. An ARP is the absorbtion refrigeration protection control. I was having problems with the wiring but I finally figured it out. I'm not an electrician so I require precise instructions or diagrams for wiring. If I wing it I usually have problems.
Anyhow, after I complete my install I will report back on how the system works and if my fridge is more efficient. It really has to be with the two added exhaust fans and the interior fan. It will also be nice to know that being way off level will not damage the fridge.
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fridge, install, need help, norcold

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