INSTALLING OPTIONS

2.If you ordered a factory-configured parallel UPS, remove the Powerware Hot Sync CAN Bridge Card from the X-Slot on the front of the UPS. Retain the screws.

Otherwise, remove the X-Slot communication bay cover and retain the screws.

3.Set the jumper pins on the Powerware Hot Sync CAN Bridge Card according to the parallel configuration (see Figure 18):

S If only two UPSs are paralleled, then set both cards to Pins 1 and 2.

S For three paralleled UPSs, set the cards of the first and last UPS to Pins 1 and 2; set the card for the middle UPS to Pins 2 and 3.

Jumper J7 - Pins 1 and 2

Jumper J7 - Pins 2 and 3

Figure 18. Setting the CAN Bridge Card Jumper J7 (Side View)

EATON Powerware® 9155 Parallel UPS (8–15 kVA) User’s Guide S 164201592 Rev C www.powerware.com

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