At 01:39 06.01.2003 -0800, you wrote:
Generally. you are right but you can buy this unit also for 230V, so i suppose the chnges are minor.On Sunday 05 January 2003 10:08, somebody wrote > hi LIST, > > My friend brought me a used APC BACK-UPS 600 from USA. > Upon openning the unit I found out that the two 6 > volts battery are dead. > I connected it to my 12Volts/ 150A/H truck battery and > it works just fine but the output is 120 VAC. > Any idea where I can find the schematics for this UPS > so that I can convert it to 220VAC. > Web searching gives no result. > ThanksAmerican designs rarely acknowledge the needs of 'the small little bit of the world that's outside America' so I imagine you will be stuck.
For the input, I suppose thr transformator has two primary coils for 110V, witch are connected in parallel. Connect them in series for 230V.
The output is probably more complicated.
I don't think you will find any schematics.
Edi
Can the switching devices handle double the applied voltage with headroom to spare? If not, forget it. -- Regards, Declan Moriarty. -- Author: Declan Moriarty INET: [EMAIL PROTECTED] Fat City Network Services -- 858-538-5051 http://www.fatcity.com San Diego, California -- Mailing list and web hosting services --------------------------------------------------------------------- To REMOVE yourself from this mailing list, send an E-Mail message to: [EMAIL PROTECTED] (note EXACT spelling of 'ListGuru') and in the message BODY, include a line containing: UNSUB CHIPDIR-L (or the name of mailing list you want to be removed from). You may also send the HELP command for other information (like subscribing).
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