Re: [Amel Yacht Owners] Re: Water Maker Info
Roy A. Duddy, Esq. <rduddy.duddylawoffices@...>
Off Topic, but .... do any of you know where I can buy dinnerware that is
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European sized to fit Amel's divider tray? I have been to West Marine and Boat U.S. as well as a few local chandleries. They all stock larger diameter plates and saucers than the divider holds. Thanks. Roy Duddy Unwineding Sharki #123
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From: Paul [mailto:sailmanpc@yahoo.com] Sent: Friday, January 21, 2005 3:37 PM To: amelyachtowners@yahoogroups.com Subject: [Amel Yacht Owners] Re: Water Maker Info Hey there....in response to you question on the watermaker and washing machine...I too like to make water while doing the wash. Until lately I have not had a problem running the both together. In Dec I found that my high pressure pump was leaking...Amel indicated I would need tho have the pump rebuilt. At the same time the genset had a hard time starting the watermaker and would kick the breaker unless I started the watermaker with no other load. In in the Virgins waiting for my Raymarine GPS and autopilot to be repaired so I could sail down to Martinque to get the pump rebuilt....well today when atempting to make water...the pump now stalls the Genset...my bet more $$$ than just a rebuild....of course only 3 months out of warranty. One would think the think would last for more than 200 hrs... Paul Camp SM418 Lady H WDB5667@sailmail.com --- In amelyachtowners@yahoogroups.com, "Ian Shepherd" <g4ljf@c...> wrote: > As promised, here is the word on Dessalator water makers. It comes via their > UK agent who met with Patrick, the number two at Dessalator last weekend. I > was hoping to forward an email from them, but to date it has not arrived. > > Firstly our water makers are designed, built and installed with the salinity > probe functional. The diverter valve will only send the water to the > freshwater tank after the 2 minute timer has completed it's cycle and the > salinity probe detects that there is a low enough salt content. The reason > why my short circuit test of the probe did nothing is that in order to > prevent erosion of salinity tester probes, the polarity in reversed some 500 > times per second. Short circuiting does not simulate salty water. I guess > the only way to test it would be to cap the probe hole and dunk the probe in > a cup full of salt water. > > If at any time the salinity probe detects salt, the unit does not shut down, > but diverts the water overboard. The green 'water good' LED will also change > colour. > > Patrick also said that membrane perforation is very unlikely, the more > common problem being that the membranes clog up, causing reduced output. It > is possible that an O seal will fail or that a membrane end cap might split. > However, if this happens, the salinity probe will detect bad water and > immediately operate the diverter valve to send the bad water over the side. > The symptoms of a perforated membrane would be an increased flow rate above > normal and a low pressure indication. > > So in a nutshell, we have nothing to be concerned with. Our Dessalator water > makers are perfectly safe and should a membrane failure occur, they will > fail to a safe condition. > > In our conversation, one interesting point was raised. I don't know about > you, but when I am using the washing machine, I do try and use the gen set > to advantage by also running the water maker to replace the water used. > Unfortunately, I cannot run my 160 l/h unit at more than about 80 l/h, else > the gen set trips. Does anyone else find this happens? Maybe I have a slack > circuit breaker on the Onan. It should trip at 30 amps AC. > > Patrick says that to run the water maker out of the green range is not good > practice. The reason is that the membranes are constructed by rolling up the > material like a roll of wall paper. In order for the membranes to achieve a > perfect seal, they need to be under pressure, else sea water can work its > way from the centre of the roll to the outside, maybe at concentrations just > below the salinity probe detecting unsafe water. It will be OK but not taste > quite so good. > > I hope this clears up once and for all any doubts about our equipment, which > I have always found to be excellent. The latest models have an automatic > back flush, which may be beneficial if you don't use your water maker > regularly. M. Wagner says that it is only necessary to back flush if you are > not using the system for a period of 10 days or so, but automatic flushing > might improve the taste and prolong the membrane life if you forget. > > I have an inquiry out to see if the modification to an automatic back flush > is feasible on our circuit boards, and at what cost. I will post the answer. > > Fair Winds > > Ian Shepherd SM 414 'Crusader' > ---------- > > No virus found in this outgoing message. > Checked by AVG Anti-Virus. > Version: 7.0.300 / Virus Database: 265.7.0 - Release Date: 1/17/2005 > > > ---------------------------------------------------------------------------- -- Yahoo! Groups Links a.. To visit your group on the web, go to: http://groups.yahoo.com/group/amelyachtowners/ b.. To unsubscribe from this group, send an email to: amelyachtowners-unsubscribe@yahoogroups.com c.. Your use of Yahoo! Groups is subject to the Yahoo! Terms of Service.
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