switching between 12v & 240v

Submitted: Monday, Oct 26, 2015 at 20:28
ThreadID: 130705 Views:1898 Replies:4 FollowUps:0
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Hi folks, doing up a van to live in temporarily, I bought a Waeco cr1140 f/f. And as a noob hoping someone may have an answer, as the manual didn't specify. :/
Question is: Do I need to switch off 12v when connecting 240v....can I leave them both on or do i need to use a switch between them both ?

Also is it fine to leave it permanently connected to 12v if battery supply is not an issue , or run 12v batterys through an inverter to produce 240v ?

Any help would be appreciated immensely
Cheers
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Reply By: Idler Chris - Monday, Oct 26, 2015 at 20:52

Monday, Oct 26, 2015 at 20:52
Even though the manual says you can leave both plugs connected it is a good ides to disconnect 12 volt when connecting 240. It does happen sometimes that problems occur when both power sources are connected, particularly if over a long time. Applies to all fridges not hard to do to make sure there are no problems.
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Reply By: Member - John - Monday, Oct 26, 2015 at 21:13

Monday, Oct 26, 2015 at 21:13
Tony, don't run from battery to invertor, you will use an awful lot of battery power for very little, 12 volt or 240 volt where available.
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Reply By: Old 55 - Tuesday, Oct 27, 2015 at 05:18

Tuesday, Oct 27, 2015 at 05:18
You can leave it connected to 12 volt as the unit will switch to 240Volts when connected and it will work fine on 12 volts if charging is not a problem.
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Reply By: Member - Boobook - Tuesday, Oct 27, 2015 at 06:23

Tuesday, Oct 27, 2015 at 06:23
I would leave the 240v disconnected and run it off 12v. You would constantly charge the 12v batrtery through a 240 v charger so battery drain isn't a problem.

That way you always know the 12v side of your system is working ok and ready to go if, or when you leave 240v areas.

Inverters are a last port of call solution. Don't use those in this situation.

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