Frequency Conversion Mode Start-Up Procedures - Delta Ultron Series User Manual

6.2.6

Frequency Conversion Mode Start-up Procedures

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. Frequency Conversion mode is only applicable to single UPS but not to parallel
UPSs.
3. When the UPS runs in Frequency Conversion mode, once the inverter
becomes off, there is no bypass power supplying to the loads.
Step 1
Ensure that the Manual Bypass Switch (Q3) is in the OFF position.
Step 2
Switch ON every external battery cabinet's breaker (Q5).
Step 3
Switch ON the Output Switch (Q4).
Step 4
Switch ON the Input Switch (Q1) and Bypass Switch (Q2). If the bypass input is within the
normal range, the UPS will run in Bypass mode.
Step 5
Log in as Administrator. For the Administrator password, please contact service
personnel.
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