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Modulon DPH Series
The UPS runs in eight basic operation modes, which are On-Line mode, Battery mode, Bypass
mode, Manual Bypass mode, ECO mode, Frequency Conversion mode, Green mode and Energy
Recycle mode. Besides these eight operation modes, the UPS is also designed for common battery
application and hot standby redundancy. Please see the following sections for relevant information.
NOTE:
1. In this user manual, the meaning of Q1, Q2, Q3, Q4 and Q5 represents the following.
Code
Meaning
Q1
Input Breaker
Q2
Bypass Breaker
Q3
Manual Bypass Breaker
Q4
Output Breaker
Q5
External Battery Cabinet’s Breaker
2. Up to eight UPS units can be paralleled for redundancy and capacity expansion. Only
UPSs with the same capacity, voltage, frequency and version can be paralleled. For
version information, please refer to
7.11.7 Version & S/N
. Please only use the provided
parallel cable to parallel the UPS units. Otherwise, parallel functions will fail.
3.1 Single
Input
3.1.1 On-Line Mode_ Single Input_ Single Unit
In On-Line mode, the main AC source supplies AC power via the Input Breaker (Q1) to the
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to the inverter. In the meantime, the rectifier provides charging power to the batteries.
After receiving the DC power, the inverter converts it into clean and stable AC power to the
connected critical loads via the Output Breaker (Q4). Please refer to
Figure 3-1
. During On-
Line mode, the UPS’s tri-color LED illuminates green and the text '
On-Line
' appears in the
upper right corner of the screen.
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