Connect the Power Cables
 DANGER |
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hazard of electric shock, explosion, or arc flash
In single mains systems where power cables are split due
to the cable size restriction, use the bypass busbars for the second
input cable set. There is not enough space to land two input cable
sets on the input busbars due to the single mains jumper busbars.
Failure to follow these instructions will result in death or serious injury.
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| NOTICE |
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Risk of equipment damage
To ensure correct load sharing in bypass operation in
a parallel system:
Failure to follow these instructions can result in equipment damage.
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- Only
for 480 V solid-grounded systems (no neutral cable connection):
- Remove the RFI bracket. Save the two screws.
- Remove the screw in the left side and save it.
- Install the RFI bracket in the left side with the three screws.
Front View of the UPS
- Only
for dual mains system: Remove the three single mains jumper busbars.
Front View of the UPS
- Connect the power cables as shown in the described order:
- Connect the equipment grounding conductor/PE cables.
- Connect the N cables. Connect battery midpoint (if present in battery solution).
- Connect the DC+ cables.
- Connect the output cables.
- Connect the DC- cables.
- Only for dual mains system: Connect the bypass cables.
- Connect the input
cables.NOTE: Ensure to connect the input cables to the correct input busbars in the top left side of the UPS.
Front View of the UPS – Single Mains System
Front View of the UPS – Dual Mains System
CAUTIONRisk of equipment damageCheck the fastening of the cable lugs. If the cable lugs move due to pulling on cables, the bolt can become loose.Failure to follow these instructions can result in injury or equipment damage.
