Delta NT Series - Battery Mode Start-Up Procedures (Single); Manual Bypass Mode Start-Up Procedures (Single)

Chapter 7 UPS Operation
88
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voltage (per phase). If normal, turn on the UPS Output breaker or switch.
7.2.2 Battery Mode Start-up Procedures (Single)
NOTE :
1. Before executing the following start-up procedures, please refer to 7.1
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2. Battery start function is customized and only applicable to the model that
has the built-in battery contactor.
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2. Press the battery start-up switch once.
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start up.
4. Press the ‘ON¶DQGµ
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inverter will start up, the inverter voltage will be established and the LCD will
display ‘Backup Mode¶
5. Measure the voltage of the UPS Output breaker or switch. If normal, turn on the
UPS Output breaker or switch.
7.2.3 Manual Bypass Mode Start-up Procedures (Single)
NOTE :
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2. Before executing the following procedures, please refer to 7.1 Pre Start-
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The Manual Bypass breaker or switch can only be turned ON for UPS
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be interrupted during maintenance process.
If the Manual Bypass breaker or switch is turned ON in Normal Mode, the inverter
will be turned OFF, the connected critical loads will be power-supplied by the
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AC power is normal.