Delta DPH-300K, User Manual

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3 - 2 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:
In this user manual, the meaning of Q1, Q2, Q3, Q4 and Q5 is shown as follows.
Code Meaning
Q1 Input Breaker
Q2 Bypass Breaker
Q3 Manual Bypass Breaker
Q4 Output Breaker
Q5 External Battery Cabinet’s Breaker
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
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. 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.
MAIN LOAD
Q1
Q2
Q4
Q3
Batteries
Rectifier Inverter
Static Switch
Q5
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