990-91380C-001

Connect Power Cables in the UPS in System over 45 kAIC/kA Icw

NOTE: If a Li-Ion battery control breaker kit (GVLOPT005) is part of your installation, the Li-Ion battery control breaker kit must be installed before the power cables are connected in the UPS. Follow the installation manual provided with the Li-Ion battery control breaker kit.

Use kit 0H-1816 for this procedure.

  1. Remove the transparent plastic protectors from the busbars. Save for reinstallation after cable connection.
  2. Remove the plastic box for easier access. Save for reinstallation after cable connection.
  3. Only for dual mains: Remove the single mains busbars.
    NOTE: Save the three single mains busbars. They are needed for testing during start-up of the UPS.

    Front View of the UPS

  4. Remove the two top power modules and the left-most filler plate:
    1. Remove the screws in the top and bottom of the power module and push the unlock switch.
    2. Pull the power module halfway out. A locking mechanism prevents the power module from being pulled all the way out.
    3. Release the lock by pressing the release button on the top of the power module and remove the power module.
    CAUTION
    Heavy load
    Power modules are heavy (38 kg (83.77 lbs)) and require two persons to lift.
    Failure to follow these instructions can result in injury or equipment damage.
  5. Install the three brackets and the two insulator parts on the shelf with the provided screws.
  6. Install the six brackets on the rear and right side of the insulator parts with the provided screws. The brackets connect from the insulator parts to the busbars. The bracket is fastened to the busbar when the power cable is installed.
  7. Connect the power cables in the described order. Assemble the cable lugs to the busbars as shown.
    1. Connect the PE cables/equipment grounding conductor (EGC).
    2. Connect the DC cables (DC+, DC-).
    3. Connect the input cables. Ensure to install the L2 and L3 power cable through both the busbar and the bracket.
    4. Only for dual mains: Connect the bypass cables. Ensure to install the L2 and L3 power cable through both the busbar and the bracket.
    5. Connect the output cables. Ensure to install the L2 and L3 power cable through both the busbar and the bracket.

    Cable Lug to Busbar Assembly

    1. Spring washer – provided in kit.

    2. Flat washer (not provided).

    CAUTION
    Risk of cable lug disconnection
    • Use the provided spring washers when connecting the cable lugs to the busbars as shown in the illustration.
    • Connect one hole cable lugs and two hole cable lugs to the busbars as shown in the illustration.
    Failure to follow these instructions can result in injury or equipment damage.
  8. Reinstall the plastic box in the original position.
  9. Fasten the power cables with the provided plastic fasteners in the shown positions. Adjust the fasteners to the power cables so they are fitted tightly together.
  10. Reinstall the transparent plastic protectors in the original position.
  11. Reinstall the two power modules and the filler plate.
CAUTION
Risk of electric shock
The transparent plastic protectors and the plastic box must be reinstalled in the original position after power cabling is completed.
Failure to follow these instructions can result in injury or equipment damage.
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