Weaco High lows switch ,

Submitted: Monday, Feb 16, 2004 at 22:54
ThreadID: 10579 Views:3382 Replies:6 FollowUps:0
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Could someone tell me the reason for the high low switch on my FF90 weaco, I have had 3 diffrent stories today , so I was wondering if someone here knew the right answer . Venus Bay
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Reply By: Brett - Monday, Feb 16, 2004 at 23:05

Monday, Feb 16, 2004 at 23:05
All of the info is here at this link to Danfoss

Happy reading Eric
AnswerID: 46976

Reply By: ianmc - Monday, Feb 16, 2004 at 23:17

Monday, Feb 16, 2004 at 23:17
Useful info! To cut a long story short, low is for 12v & high is for 24v.
Frig instructions bit ambiguous from memory.
AnswerID: 46979

Reply By: Macca1 - Monday, Feb 16, 2004 at 23:31

Monday, Feb 16, 2004 at 23:31
From the Waeco Website.

This is your battery saving device. .... Basically in most situations you should run your fridge on low, this will allow the battery to rundown to 10.4 volts then your fridge will cut out. On high the fridge will drain your battery down to 11.7 volts then shut off therefore your fridge will run longer on the Low setting.
Go to www.waeco.com.au/includes/findoutmore/fom_detail.asp

Macca
AnswerID: 46980

Reply By: RainMaker - Tuesday, Feb 17, 2004 at 09:26

Tuesday, Feb 17, 2004 at 09:26
As Macca has advised, the High/Low switch will control the voltage point where the fridge will stop working.
One thing to be aware of though. Have a look at what type of battery you are running your fridge from. Battery life can be significantly reduced by over-discharge. Most articles I've read say not to discharge lead-acid batteries below 10.5v (low setting). Deep Cycle batteries can handle a higher discharge where as Cranking batteries can be totally stuffed by high discharge. If you run your battery from a cranking battery, it's probably best to use the High setting. If you use a deep cycle you can probably use the low setting.
AnswerID: 47006

Reply By: ThePublican - Tuesday, Feb 17, 2004 at 14:07

Tuesday, Feb 17, 2004 at 14:07
Eric, dont know the 90 specs but would say they same as for the 80 using the bd 50 comppressor,,, from the users manual,,,switch is for setting the battery protection voltage .. cut out voltage 12v low med high
10.4 11.0 12.0

24v 21.6 23.3 25.0

cut in voltage 12v 11.2 12.0 12.9

24v 23.0 24.5 26.3

hope this makes some sense and stops the confusion,,book recomends med setting except for extreme temperatures low/ high as temp has effect on battery performance and life.
AnswerID: 47052

Reply By: AndrewW - Tuesday, Feb 17, 2004 at 18:14

Tuesday, Feb 17, 2004 at 18:14
Eric,

The FAQ on the waeco site says what it is.

As others have said, it is the low voltage cut out. I can't remember what voltages they are, but I think low is 10.8 roughly, and high is 11.5. As I said, I can't remember it perfectly.

I had mine running for 24 hours, and the multimeter still read 11.8 when the fridge was running. The switch was on high still and the temp was about 3 degress in, and 32 out. Gotta be happy about that. :)
AnswerID: 47090

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