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Old 03-01-2017, 10:40 PM
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g__day (Matthew)
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Join Date: Dec 2005
Location: Sydney
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ZWO - externally powered cooled cameras - PSU requirements confusion re, 2A, 3A or up

Hi Folks,

Interesting situation developing today from me reading the ZWO ASI1600MM-c and ASI071-MC cameras manuals and asking questions on Cloudy Nights and on ZWO's Facebook page about what size power supply is required.

You see on there are varying views stated by ZWO:
  1. on back of both these cameras is printed 12V 2 amp
  2. in the manual it clearly states use 12V 3 amp
  3. On Facebook ZWO just said use 12V and over 3 amp and
  4. On Cloudly Nights ZWO replied use a big enough one but only 2 amp is consumed.
To me that is a recipe for confusion and possibly voiding of warranty from supplying excess power. Have folks come across this sort of thing in the past - would folk here advise wait and see if the Vendor finally picks one number and sticks with it. I explicitly asked will using over 2 amps void my warranty - given that is what is printed on the back of your cameras yet your manuals say use 3 amp - they didn't answer that question.


I wonder what final number they will stick with and if they will confirm it won't consume more than 2 amps - especially given folk on Cloudy Nights alread state they supply over 2 amps (3 - 6) as they believe it will draw what it needs and their potential over supply won't void their warranties...


It is lack of quality control across all information channels that is frustrating!
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