Galaxy VL Input Transformer Cabinet (600 V In, 480 V Out) and Output Transformer Cabinet (480 V In, 600 V Out) (GVIT300, GVIT500, GVOT300, GVOT500) – Installation PDF
990-91734A-001

Prepare the Transformer Cabinets for Installation

The single mains system consists of one input transformer cabinet (UIB), one output transformer cabinet (MBB/UOB), and the UPS.

The dual mains system consists of two input transformer cabinets (UIB and SSIB), one output transformer cabinet (MBB/UOB), and the UPS.

  1. Remove the brackets (A) and (B) from the transformer cabinets. Install the brackets (A) on the rear of the transformer cabinets. Save the bracket (B) for top interconnection.

    Right Side View of the Transformer Cabinets

    Rear View of the Transformer Cabinets
  2. Remove the left side panel from the UPS. Install the left side panel on the leftmost input transformer cabinet.

    The Input Transformer Cabinet and the UPS

  3. Perform the following:
    1. Remove the three front plates, and the transparent plate from the transformer cabinets.
    2. Remove the upper left side plate from the output transformer cabinet.
    3. Remove the upper right side plate from the input transformer cabinet(s).
    4. Only for dual mains system: Remove the upper left side plate from the input transformer cabinet (SSIB). Do not remove the upper left side plate from the input transformer cabinet (UIB).

    Front View of the Input Transformer Cabinet

    Front View of the Output Transformer Cabinet
  4. For top cable entry:
    1. Remove the top gland plate from the transformer cabinets.

      Top Cable Entry on the Transformer Cabinets

    2. Drill or punch holes for power cables or conduits in the gland plate. Conduits are not provided.
    3. Reinstall the top gland plate on the transformer cabinets.
    DANGER
    hazard of electric shock, explosion, or arc flash
    Do not drill or punch holes with the gland plates installed and do not drill or punch holes in close proximity to the cabinet.
    Failure to follow these instructions will result in death or serious injury.
  5. For bottom cable entry:
    1. Remove the bottom gland plate from the transformer cabinets.

      Bottom Cable Entry on the Transformer Cabinets

    2. Drill or punch holes for power cables or conduits in the gland plate. Conduits are not provided.
    3. Reinstall the bottom gland plate on the transformer cabinets.
    DANGER
    hazard of electric shock, explosion, or arc flash
    Do not drill or punch holes with the gland plates installed and do not drill or punch holes in close proximity to the cabinet.
    Failure to follow these instructions will result in death or serious injury.
  6. On the output transformer cabinet: Reposition the protection covers on the right side panel. Reuse the M6 screws.

    Right Side View of the Output Transformer Cabinet

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