Turn-Off Procedures; On-Line Mode Turn-Off Procedures; Battery Mode Turn-Off Procedures - Delta Modulon DPH Series User Manual

6.3

Turn-off Procedures

6.3.1

On-Line Mode Turn-off Procedures

WARNING:
Before turning off the UPS, please read
Warnings
been followed.
Step 1
Tap the ON/ OFF Button (
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), Bypass Switch (Q2) and Output Switch (Q4). After
that, the UPS will run in Standby mode.
Step 3
Now, each power module performs DC BUS discharging and its LED indicator flashes
green. After discharging, each power module's LED indicator will be off.
Step 4
About 3 minutes later, the UPS will shut down, and the LCD and the tri-color LED
indicator will be off.
Step 5
Switch OFF every external battery cabinet's breaker (Q5).
6.3.2

Battery Mode Turn-off Procedures

WARNING:
Before turning off the UPS, please read
Warnings
been followed.
Step 1
Please make sure that the critical loads connected to the UPS have already been safely
shut down. After confirmation, tap the ON/ OFF Button (
inverter. 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), Bypass Switch (Q2) and Output Switch (Q4).
thoroughly and ensure that the precautions and instructions have
) to shut down the UPS's inverter. After that, the UPS will
thoroughly and ensure that the precautions and instructions have
6.1 Pre Start-up & Pre Turn-off
6.1 Pre Start-up & Pre Turn-off
) to shut down the UPS's
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