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Steve,
I would suggest that Don Wilson, on Tackless II has a lot of knowledge
about watermakers. You might try sending him an email with the particulars
of your situation.
Pete
Steve,
I am inferring some things from your two emails. You have an inverter that will draw
90 amps of +12 VDC when you start your watermaker. Make the math easy, 100 amps
at 12 VDC is 1200 watts. I had 2 inverters, my backup was 1500 watts, and should
have handled your case, but little else. My main 2500 watt Heart would not have
broken a sweat.
Still, 90 Amps is a lot to pipe around at 12 Volts, and needs some mighty hefty cable.
Check all the connections, that they are clean and bright.
Watch your battery volts when you attempt startup. Does it hold above 12 VDC, or
does it dip?
Finally, check into a marina for one night. Hook up to shore power. Now try starting your
watermaker using shore power. If it reliably starts fine, you have a problem getting
sufficient 120 VAC. On the other hand, if the problem persists, you have another problem.
Perhaps in high pressure pump. They need lube oil you know. How is your lube level?
At least, in the second case, you know you do not have a power generation problem.
Pete
Paul,
Thanks for setting me straight. I couldn't imagine needing 90 A at 110 VAC. Residential
circuits are usually wired and "Breakered" at 15 A which is 1650 Watts. Even 220 I believe
is set up for 30 A or 6600 Watts. I am not sure how one would go about getting nearly
10 KW in a residence, let alone a boat. One could run a radio station on that kind
of power.
I guess another good step would be to ask, "Did it ever work". If the answer is yes, then
what changed? If the answer is no, a conversation with the installer would be in order.
I am sure one could find a 10 KW inverter, but big $$. The batteries to supply 10 KW @
12 VDC would need to supply... 834 Amps, with wiring sized to match. That is some big
big cable. A 10 KW genset would be much easier. Have you considered a home standby?
From these discussions, I believe the problem will likely be found in the way power is
provided, not in the watermaker itself.
Pete
Paul,
Sounds like you are on top of this. I would still like to know, did it work at one time and
quit, or has this always been a problem.
Pete
Paul,
Sounds like you are on top of this. I would still like to know, did it work at one time and
quit, or has this always been a problem.
Pete
Steve: Don Wilson here, from Tackless Too, St Francis 44. I have been following the thread on your water maker dilemma. Don't know much about the Aqua Whisper DX except what I read on their website. It does seem like it will need everything your 3000 watt inverter has to start the hp motor. Should not be a problem on the generator but obviously, it is. Beside the other suggestions from the guys, I would only add to make sure the system is "open" before you try to start. My system is manual and I turn the pressure up after the motor is running. Assume yours is automatic, but if you can manual over ride the pressure for the start, and all your connections and wires are good, then it should start. Then you will know it is a controller problem and not a power issue. Second, this is my first "reply" on this forum and it might not even go where it is supposed to! If so, sorry!
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As the others have suggested, check all connections. Use a multimeter to check for voltage drops across connections, or a heat sensing device for any hot connections or cables. Check the water maker brine outlet is "open" so the HP pump has no restriction on startup. You should have no product water being produced, i.e. All water is going out the Brine outlet.
Another thought. On Zoom the 110V Aircon units are wired in such as way that they only run when 110Volt AC is available either via shore power or Genset. They do not run from the inverter.
If your water maker has never worked reliably from new, I would be asking the installer ( maybe it was you) how it is wired to its 110v source.
I have not checked the website of the Watermaker, but the others have and if it is drawing 30 Amps at 110v from your Victron 3000 inverter then I think that is too much for the inverter and you risk damage to it, but the fuzes should protect you.
Another thing to try is beg borrow or steal a clip on AMP meter and see how much the water maker is drawing. Maybe it's motor windings are faulty and it is drawing too much current and not doing any real work.
On Zoom to avoid having to be dependent on the genset for water I swapped out the 110v unit for a 12Volt unit. I put in an EchoTec unit, it only produces 13 gallons per hour which is a lot less than what I had before. However it did keep 5 people in fresh water from the USA to Australia. We did not shower every day however.
Please let us know how you get on solving this problem.
Regards Ian
hi steve , sorry slow getting back to you , been surfing in El Salvador with no connection.
did you get it to work and if yes what was it?
R