Programming and
Normal to Bypass Operation
Press
Press transfer
and the cursor keys or until the display shows:
. If the bypass mains is within the tolerance range, the UPS will to electronic bypass. The display shows:
Bypass Operation:
OFF
Bypass Operation
The load is now supplied directly from the bypass mains.
Note
If the bypass mains fails during bypass operation, the UPS will automatically switch to normal operation, provided that the rectifier mains is available. If the battery supply is available, and within the tolerance range, the UPS will switch to battery operation.
Depending on the programming, a short loss of output voltage may occur.
Note
Bypass to Normal Operation
1. | Press | and the cursor keys | or | until the display shows: | Bypass Operation: | |
ON | ||||||
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2. | Press | The display will show: |
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| Normal Operation | |
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| Load Power xx% |
The load is now supplied by the UPS.
Note
72 | AIS 5000 400V Installation Manual |