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Old 24th June 2008, 08:24 PM   #1
ian_UK is offline ian_UK  United Kingdom
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Default Sumo Theorem - Mains voltage

My Sumo Theorem is 110 volts. Anyone know how to change it to 240 volts? There are 3 jumpers near the transformer that may do it, but what should they be changed to?
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Old 24th June 2008, 09:09 PM   #2
tubenut is offline tubenut  South Africa
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Old 15th September 2008, 09:43 PM   #3
ian_UK is offline ian_UK  United Kingdom
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My Sumo Theorem is 110 volts. Anyone know how to change it to 240 volts? There are 3 jumpers near the transformer that may do it, but what should they be changed to?

This time I have attached a picture - not great, but you can see the 3 jumpers connecting 6 of the 9 pins right in the middle, between the mains fuse and the transformer. Very grateful for any replies.
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Old 16th September 2008, 05:39 PM   #4
kevinkr is offline kevinkr  United States
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I deleted my suggestion upon re-reading your comment as I realized that there is not enough information to make a recommendation.

You need to find a trustworthy technician to determine whether or not this Sumo has a dual primaries and can be reconfigured for 230V operation.

Most US designed products that will operate on 230V have either 4 or 6 hole link set ups with two links used for 120V operation and one link used for 230V operation. Your setup sounds substantially different.
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