Delta Ultron DPM Series, User Manual

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6 - 3 6
Ultron DPM series
(b) Dual Input:
In bypass mode, the Main Screen shows the following diagram and the tri-color LED
indicator illuminates yellow. For the tri-color LED indicator location, please refer to
Figure 2-13 .
UPS-1.1
Bypass
2019-Mar-01 09:30
EVENT LOG
10 mins
Bypass
Load
0 %
Mains
NOTE:
For the Main Screen information, please refer to 7.6 Main Screen .
2
(a) Single Input:
Switch OFF the external maintenance bypass cabinet’s input breaker (Q1), output
breaker (Q4) and each external battery cabinet’s breaker (Q5). After that, the LCD and
WKHWULFRORU/('LQGLFDWRUZLOOEHERWKRႇ
(b) Dual Input:
Switch OFF the external maintenance bypass cabinet’s input breaker (Q1), output
breaker (Q4) and each external battery cabinet’s breaker (Q5). During this time, the
tri-color LED indicator remains yellow.
Next, switch OFF the external maintenance bypass cabinet’s bypass breaker (Q2).
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0DQXDO%\SDVV0RGH7XUQRႇ3URFHGXUHV
WARNING:
1. For parallel units, ensure that every operation procedure mentioned below is
synchronized to all parallel UPSs.
2. For parallel application, if you just want to operate a specific UPS but not all
parallel ones, please contact service personnel.