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Subject Topic: Thetford n3097 fridge
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25/4/2025 at 11:33am
 Location: Sussex
 Outfit: Elddis
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I have a Thetford n3097 fridge which I want to test on mains before instllation, not towing any more so van is static, I understand that it needs 12v supply to work. Any Ideas
Thanks


25/4/2025 at 1:53pm
 Location: London
 Outfit: Lunar Cosmos 524
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You're correct, it needs a 12v supply to power the control panel/electronics, otherwise the cooling power, regardless of 12v(separate to 12v control source)/240v/gas will not work.

The installation manual may be of some use, showing power connection points: https://thetford.com/app/uploads/2024/09/N3000-IM-AM-EN_634571_0918-V04.pdf

If familiar with absorption type fridges, you'll realise they take a long time to chill down, 8 hours or more to reach normal fridge temps, but after an hour you should be able to detect noticeable chilling in the icebox/freezer and on the fridge inside heat exchanger fins. So a test run is not a 5 minute turn it on, confirm it's working exercise. For what it's worth, the 12V cooling draws do much current, it can only be sourced from a running vehicle engine or some other high powered source, it'll drain a battery in a few hours and before fridge is really cold.

Use manual here if you need it: https://thetford.com/app/uploads/2024/09/N3000_UM_EN_635075_0918-V14.pdf



25/4/2025 at 4:20pm
 Location: Sussex
 Outfit: Elddis
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If i supply a dediacted 12v supply and connect to the mains will that work


25/4/2025 at 4:31pm
 Location: Sussex
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would fitting a Thetford Battery Pack give the voltage i need for the tect


25/4/2025 at 6:02pm
 Location: London
 Outfit: Lunar Cosmos 524
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Dedicated 12v supply (leisure/car battery?) should be OK. Careful of polarity, could fry the electronics if reversed!

I believe the 12v battery pack works with SOME models. https://thetford.com/en/accessory/battery-pack-n3000/



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