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2) Set the parallel board as below
The above is control board, please find the pin ports J21, J22, J23, J24 and J25.
• When UPS is in single system, J21-J25 should be shorted with jumpers.
• When UPS is in parallel system, please remove the jumpers from J21 to J25.
The above is the parallel board, please find the pin ports, J41, J33, J35, J37, J39, J42, J34, J36, J38, J40.
• When UPS is in single system , all these pin ports should be shorted with jumpers.
• When 2 pieces of UPS in parallel, please remove the jumpers on the pin J41, J33, J35, J37 and
J39, and keep J42, J34, J36, J38 and J40 shorted with jumpers.
• When 3 pieces of UPS in parallel, please remove all the jumpers above.
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