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4.1.20 DC Bus Connection
The DC bus terminal is used for DC back-up, with the
intermediate circuit being supplied from an external source.
Terminal number 88 and 89 are used.
Illustration 4.20: DC bus connections for enclosure B3.
Illustration 4.21: DC bus connections for enclosure B4.
Illustration 4.22: DC bus connections for enclosure C3.
Electrical Installation
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HVAC Drive Operating Instructions
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