Installation

Input Connection

Output Connection

TB1

 

 

TB2

Input

REPO

 

Connections

Connections

 

 

Ground

 

Line 2/Neutral

Ground

Line 1

 

Line 1

Line 2/Neutral

REPO Line 1

REPO Line 2

REPO Ground

Figure 11. Hardwired PPU Terminal Blocks

7.Determine your equipment’s grounding requirements according to your local electrical code.

8.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 TB1-1.

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.

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