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6.3.6 Frequency Conversion 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. Now, the power modules keep charging the batteries.
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 and tri-color LED indicator will be off.
Step 4
Switch
OFF
the Output Switch (Q4).
6.4 Start-up & Turn off Procedures for Parallel Units
WARNING:
1. Before turning on the UPS, please read
6.1 Pre Start-up & Pre Turn-off
Warnings
thoroughly and ensure that the precautions and instructions have
been followed.
2. Ensure that every operation procedure is synchronized to all parallel UPSs. If
you just want to operate a specific UPS but not all the parallel ones, please
contact service personnel.
•
Start-up Procedures (Parallel Units)
Step 1
Ensure that each parallel cable (provided) is connected well.
Step 2
Perform the first few steps following your chosen mode’s section in
6.2 Start-up
Procedures
until there is power supplying to the UPS (after switching
ON
Q1/ Q2 or pressing the
BATT.
START
button).
At this moment, please perform the following parallel settings on the LCD.
a. Assign a different
Parallel ID
no.to each parallel UPS. For all the parallel UPSs, please
set the same
Parallel Group ID
no. and the same parameters for the input, output and
battery settings.
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