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Old 10-06-2014, 08:44 PM   #11
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Thanks for all the help with 12 v fridge circuit.I have checked wiring and it appears the fridge is not wired in to 12 v circuit,from your comments i can why .I have just purchased a waeco fridge freezer which I can run in the car whilst traveling,this wil solve the problem.
Do you run compressor fridges in your caravans in America ?
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Old 10-06-2014, 08:57 PM   #12
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primarily absorption fridges

what model is the fridge in yours?
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Old 10-08-2014, 04:35 AM   #13
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Hi
My fridge is a three way electrolux,I have read many new caravans are using compressor fridges here in Australia as they are more efficient in the heat we have here.How do you keep food cold when you are traveling?we are not allowed to run gas whilst on the move.on my last trip we where on the road for ten hours.
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Old 10-08-2014, 04:50 AM   #14
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There are no restrictions on running gas when travelling in North America other than on ferries and tunnels.

Can you not get the 12V wired to power your fridge?
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Old 10-08-2014, 04:20 PM   #15
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Hi
My fridge is a three way electrolux,I have read many new caravans are using compressor fridges here in Australia as they are more efficient in the heat we have here.How do you keep food cold when you are traveling?we are not allowed to run gas whilst on the move.on my last trip we where on the road for ten hours.
I don't want to speak for everybody but I don't drive more than 2-3 hours and I use gas. If I didn't I'd put my food in a cooler with ice.
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Old 10-08-2014, 05:46 PM   #16
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It is possible to run a 3-way fridge on DC while in transit. The 12V must come from the "charge line" from the tow vehicle. You must have both the TV wired to supply 12V to the charge line and the trailer must be wired to route the 12V to the DC systems. As well, the charge line wiring must be of sufficient size to handle 15-20A.

There are so many different combinations of trailer to tow vehicle wire harness connections, but the most common (USA anyway) is the 7-pin Bargman connector (google it for pinout connections). You can check for 12V at the proper pin to see if your TV is wired to provide the charge.

Also be advised that in some cases, it is possible to drain your TV battery if left connected without the engine running. When stopping for lunch or sightseeing, turn the fridge off or disconnect the trailer harness.

Those small gas absorption fridges really don't work great on DC so for best results:
- pre-cool on AC or propane the day before leaving
- stock only with already cold or frozen items.
- A frozen jug of water helps as well
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Old 10-08-2014, 08:01 PM   #17
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It is possible to run a 3-way fridge on DC while in transit. The 12V must come from the "charge line" from the tow vehicle. You must have both the TV wired to supply 12V to the charge line and the trailer must be wired to route the 12V to the DC systems. As well, the charge line wiring must be of sufficient size to handle 15-20A.

There are so many different combinations of trailer to tow vehicle wire harness connections, but the most common (USA anyway) is the 7-pin Bargman connector (google it for pinout connections). You can check for 12V at the proper pin to see if your TV is wired to provide the charge.

Also be advised that in some cases, it is possible to drain your TV battery if left connected without the engine running. When stopping for lunch or sightseeing, turn the fridge off or disconnect the trailer harness.

Those small gas absorption fridges really don't work great on DC so for best results:
- pre-cool on AC or propane the day before leaving
- stock only with already cold or frozen items.
- A frozen jug of water helps as well

That is exactly what I do. Plug in 24 hours at home AC prior to travel. On the road power the fridge by DC from the truck. If we stop in transit for a few hours I will switch to off to avoid draining the TV battery.
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Old 10-08-2014, 08:44 PM   #18
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OK lots (almost ALL new 5ers and MHs here in the USA) are coming standard with compressor style refrigerators, and electric cook stove tops. Many units no longer carry propane for anything.

Most of these units have onboard generators and 110v inverters. These inverters will run the fridge while in travel. Just be sure you are plugged in to your tow vehicle (if a trailer) or engine is running (if a motor home) since the inverter can discharge a typical battery relatively quick. -- Of course you can feel free to run the generator while in travel also, and not rely on the inverter.
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Old 10-09-2014, 03:31 PM   #19
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OK lots (almost ALL new 5ers and MHs here in the USA) are coming standard with compressor style refrigerators, and electric cook stove tops. Many units no longer carry propane for anything.

Most of these units have onboard generators and 110v inverters. These inverters will run the fridge while in travel. Just be sure you are plugged in to your tow vehicle (if a trailer) or engine is running (if a motor home) since the inverter can discharge a typical battery relatively quick. -- Of course you can feel free to run the generator while in travel also, and not rely on the inverter.
Great information, but not particularly useful for the OP who has a pop-up tent trailer and asking how to use the small 1.7 cuft 3-way fridge.
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Old 10-09-2014, 03:34 PM   #20
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Great information, but not particularly useful for the OP who has a pop-up tent trailer and asking how to use the small 1.7 cuft 3-way fridge.
in post 13 the OP started another discussion about compressor fridges instead of absorption. As it is his post he is allowed
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