Delta DPS Series User Manual

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6.3 Turn-off Procedures
6.3.1 On-Line Mode Turn-off Procedures
WARNING:
Before turning off the UPS, please read
6.1 Pre Start-up & Pre Turn-off Warnings
thoroughly and ensure that the precautions and instructions have been followed.
Step 1
Tap the
ON/ OFF Button
( ) to shut down the UPS’s inverter. After that, the UPS will let
the bypass AC source supply power. At the moment, if the bypass is abnormal, there is a
risk of output interruption.
Step 2
Switch
OFF
the Input Switch (Q1) and Bypass Switch (Q2), and the UPS will transfer to
Standby mode.
Step 3
Wait for the UPS to complete the DC BUS discharging. After that, switch
OFF
each external
battery cabinet's breaker (Q5), and the LCD screen and tri-color LED indicator will be off.
Step 4
Switch
OFF
the Output Switch (Q4).
6.3.2 Battery Mode Turn-off Procedures
WARNING:
Before turning off the UPS, please read
6.1 Pre Start-up & Pre Turn-off Warnings
thoroughly and ensure that the precautions and instructions have been followed.
Step 1
Tap the
ON/ OFF Button
( ) to shut down the UPS’s inverter. Before that, please make
sure the critical loads connected to the UPS have already been safely shut down. Note that
once you turn off the inverter, all the output power will be completely cut off, and the UPS
will transfer to Standby mode.
Step 2
Switch
OFF
the Input Switch (Q1) and Bypass Switch (Q2).
Step 3
Wait for the UPS to complete the DC BUS discharging. After that, switch
OFF
each external
battery cabinet's breaker (Q5), and the LCD and tri-color LED indicator will be off.
Step 4
Switch
OFF
the Output Switch (Q4).

Delta DPS Series Specifications

General

Frequency	50/60 Hz
Battery Type	Sealed Lead-Acid (SLA)
Communication Interface	RS-232, USB, SNMP (Optional)
Output Voltage	220/230/240VAC
Topology	Double Conversion
Form Factor	Tower or Rackmount
Power Factor	0.9
Type	Online UPS
Protection Features	Short Circuit