Installation

11.As part of the branch circuit that supplies this unit, install an insulated grounding conductor. Use the following specifications for the grounding conductor that connects to input ground terminal TB1-3.

S Material and insulation thickness: must be identical to the grounded and ungrounded branch-circuit supply conductors

S Color: consult local code requirements for ground wire color code (usually green with or without a yellow stripe)

S Ground: should be grounded to the earth ground in the service equipment or in the supply transformer (if supplied by a separately-derived system)

NOTE All attachment plug-receptacles on, or connected to, the UPS or system equipment must be a grounding type. The grounding conductors serving these receptacles must be connected to the earth ground in the service equipment.

12.Replace the PPDM rear panel cover.

13.Plug the battery cord into the battery connector on the PPU. All battery connectors are polarized to prevent incorrect connection.

14.If additional battery cabinets are to be used, plug the battery cord of the second cabinet into the battery connector of the first cabinet after pivoting the battery connector guard out of the way. Follow this procedure for each additional battery cabinet.

15.Remove the breaker tie from the circuit breaker on all battery cabinets.

16.The equipment to be protected by the UPS should be powered off.

17.If you are using a REPO switch, follow the “REPO Installation” instructions on page 28.

18.Start the UPS according to the following “UPS with PPDM Startup” procedure.

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Powerware® 9 Prestige Series User’s Guide (4500/6000 VA) S Rev H www.powerware.com