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Old 23-05-2015, 01:49   #1
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Dessalator D60 Watermaker

Hello,

I have just bought a 10yo sail boat with a Dessalator D60 watermaker.

I live on my boat and run the watermaker regularly. My only previous experience with watermakers was with Spectra on my previous boat and the operating/flushing instructions for the Dessalator seem to be very different.

I would really appreciate if Dessalator owners could clarify for me....

- how often and for how long should I run a fresh water flush on the D60?
(the previous owner said to flush for 1 min before and after every use but the manual (in French) seems to say to flush for 2 min before use and only once a week)

- what is the salinity criteria used by the D60 to determine Poor Quality and Good Quality product water?

- my D60 is currently making water with a salinity of around 470ppm....is that considered “normal” for a D60 or does it indicate that the membranes are well into their usable life?
(my Spectra made water with salinity around 280ppm with 5yo membranes)

- any info on price of new membranes for a D60?

I'd really appreciate any info as I need to understand my D60 better than I currently do.

Thanks in advance
Barrie
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Old 23-05-2015, 07:47   #2
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Dessalator D60 Watermaker

Hi Barrie. To flush the D60, while it's running, turn the pressure knob fully anticlockwise. It should flush itself for a minute then stop. We usually had around 300ppm with ours. You can try a cleaning product to freshen up the membrane. Check what desolator recommend.
Run it every 4 or 5 days to keep it fresh or pickle for longer periods. The dessolator pickling system is very easy with the pickling cartridge.
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Old 23-05-2015, 08:01   #3
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Re: Dessalator D60 Watermaker

No problem if you are around 500 ppm
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Old 23-05-2015, 18:50   #4
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Re: Dessalator D60 Watermaker

Quote:
Originally Posted by monte View Post
Hi Barrie. To flush the D60, while it's running, turn the pressure knob fully anticlockwise. It should flush itself for a minute then stop. We usually had around 300ppm with ours. You can try a cleaning product to freshen up the membrane. Check what desolator recommend.
Run it every 4 or 5 days to keep it fresh or pickle for longer periods. The dessolator pickling system is very easy with the pickling cartridge.
Thanks for your reply.
My D60 does not have an automatic flushing valve, just a manual change over valve so I have to start and stop the fresh water flush manually.

I have a couple more questions if you don't mind....

- With your automatic flushing system....does that mean you do a 1 minute fresh water flush after every use of the watermaker?

- While your automatic system is flushing, is the pump running or stopped?

Thanks again
Barrie
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Old 23-05-2015, 18:53   #5
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Re: Dessalator D60 Watermaker

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Originally Posted by robert sailor View Post
No problem if you are around 500 ppm
Thanks....how high do you think the salinity can go before you need to do something about it?
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Old 24-05-2015, 06:40   #6
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Re: Dessalator D60 Watermaker

Barrie, the auto flush is when you turn the pressure gauge all the way anticlockwise. The pump continues for 1 minute and the salinity light cons on. Send me your email and I'll check if I have the English manual on my PC to send you
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Old 24-05-2015, 07:19   #7
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Re: Dessalator D60 Watermaker

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Originally Posted by Cruisin Cat View Post
Thanks....how high do you think the salinity can go before you need to do something about it?
If you are getting the proper volume of fresh water and your watermaker is around 500 ppm then you have no problems. The Government standards vary from place to place but I believe WHO standards are 1000 ppm so 500 ppm is very good fresh water and you could be well above that and still have good drinking water.
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Old 25-05-2015, 01:03   #8
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Re: Dessalator D60 Watermaker

Quote:
Originally Posted by robert sailor View Post
If you are getting the proper volume of fresh water and your watermaker is around 500 ppm then you have no problems. The Government standards vary from place to place but I believe WHO standards are 1000 ppm so 500 ppm is very good fresh water and you could be well above that and still have good drinking water.
Thanks for the information
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Old 25-05-2015, 01:16   #9
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Re: Dessalator D60 Watermaker

Quote:
Originally Posted by monte View Post
Barrie, the auto flush is when you turn the pressure gauge all the way anticlockwise. The pump continues for 1 minute and the salinity light cons on. Send me your email and I'll check if I have the English manual on my PC to send you
I do not have an auto flush water flush function on my D60.
Whan I turn the pressure control knob all the way anticlockwise, the pump continues to run, the salinity light does not come on and there is no fresh water being taken from the fresh water tank even after 5 min.

With your auto fresh water flush, does it run after every use of the watermaker?

A copy of the manual in English would be very helpful...I'll send you my email address in a private message.

Thanks
Barrie
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Old 25-05-2015, 08:49   #10
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Re: Dessalator D60 Watermaker

OK email sent with the manual
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Old 26-05-2015, 20:54   #11
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Re: Dessalator D60 Watermaker

Quote:
Originally Posted by Cruisin Cat View Post
Hello,

...
- what is the salinity criteria used by the D60 to determine Poor Quality and Good Quality product water?

- my D60 is currently making water with a salinity of around 470ppm....is that considered “normal” for a D60 or does it indicate that the membranes are well into their usable life?...

Thanks in advance
Barrie
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Hi Barrie

I am using a 120v cat pump to produce drinking water. Before I got my el cheapo tester, my friend's tester gave 215 ppm. After he left, all my 3 tester $10 each, gave 420 ppm reading . Imagine, $10 to test the water from a $ 1,500 machine !

FWIW at 400 + ppm I can't taste any salt and I am still alive

Maybe these tester have to be calibrated.

Eric
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Old 27-05-2015, 01:54   #12
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Re: Dessalator D60 Watermaker

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Originally Posted by ericoh88 View Post
Hi Barrie

I am using a 120v cat pump to produce drinking water. Before I got my el cheapo tester, my friend's tester gave 215 ppm. After he left, all my 3 tester $10 each, gave 420 ppm reading . Imagine, $10 to test the water from a $ 1,500 machine !

FWIW at 400 + ppm I can't taste any salt and I am still alive

Maybe these tester have to be calibrated.

Eric
Hi Eric,
215 to 420ppm is a big difference!
Yes testers should be calibrated but to do that you need a "calibration" fluid, actually several batches of calibration fluid at different salinities to do it properly. It is possible to make your own by calculating, weighing and mixing salt and water but not many people do. I checked my tester against a few other boats and they were all different but within about 20% of each other, which is a pretty big difference
Barrie
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Old 13-10-2016, 03:43   #13
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Re: Dessalator D60 Watermaker

Quote:
Originally Posted by monte View Post
Barrie, the auto flush is when you turn the pressure gauge all the way anticlockwise. The pump continues for 1 minute and the salinity light cons on. Send me your email and I'll check if I have the English manual on my PC to send you

Hello monte,
Sorry to be a pest mate but would it be possible to get the desolator D60 manual also emailed to me. I have the unit but no manual.
thanks very much in advance,
cheers
flatop
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Old 13-10-2016, 06:58   #14
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Re: Dessalator D60 Watermaker

[QUOTE=flatop;2234202]Quote:
Originally Posted by monte View Post
Barrie, the auto flush is when you turn the pressure gauge all the way anticlockwise. The pump continues for 1 minute and the salinity light cons on. Send me your email and I'll check if I have the English manual on my PC to send you

monte, thanks for your message. No need to send me the manual....the electronics malfunctioned mid ocean so I stripped it all out and rewired it for completely manual operation. It's much more reliable now!
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Old 13-10-2016, 12:25   #15
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Re: Dessalator D60 Watermaker

Hi guys, pardon me about the sad news but unfortunately Monte is no longer with us. Thus "Eternal member" on his profile. Take care.
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