ST3 6-10kVA Service Manual Rev.1
Allis Electric Page 12 of total 12 September 2006
4. Final testing
Step 3. If the UPS re-start normally, check the DC_BUS and output voltage.
- For 6/10kVA, DC_BUS: +340~350 and -340~350VDC, deviation between negative and positive voltage should be within
10VDC. Output Voltage: 220/230/240 +/-2%
DC-BUS Voltage: Positive
®
DC_BUS: + 340~350VDC
_
DC-BUS Voltage: Negative
_
DC_BUS: - 340~350VDC
®
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