Bypass Mode Turn-Off Procedures; Manual Bypass Mode Turn-Off Procedures - Delta Modulon DPH Series User Manual

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).
6.3.3

Bypass Mode Turn-off Procedures

WARNING:
Before turning off the UPS, please read
Warnings
been followed.
Step 1
Switch OFF the Input Switch (Q1), Bypass Switch (Q2) and Output Switch (Q4). After
that, the UPS will run in Standby mode.
Step 2
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 3
About 3 minutes later, the UPS will shut down, and the LCD and the tri-color LED
indicator will be off.
Step 4
Switch OFF every external battery cabinet's breaker (Q5).
6.3.4

Manual Bypass Mode Turn-off Procedures

WARNING:
1. Ensure that the LCD, all LED indicators and fans are OFF.
2. Check that all the switches, breakers and power are OFF.
In Manual Bypass mode, the LCD and tri-color LED indicator are both OFF. To
completely shut down the UPS, switch OFF the Manual Bypass Switch (Q3).
Delta UPS DPH 50-200kVA
thoroughly and ensure that the precautions and instructions have
6.1 Pre Start-up & Pre Turn-off
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