Vertiv VR3100TAA handleiding

Handleiding

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To install the racks in a bay configuration:

1. Place racks in a row and open or remove doors for easy access to frame holes.

2. Decide spacing between rack centers, 24in. or 600mm, which determines the screw holes used in the bracket,

see the following figure.

3. Install 2 brackets at front and 2 at rear per the rack's mating planes, as shown in the figure.

Figure 4.12 Installing baying brackets

Item Description

1 Baying bracket

2 Screw hole for 24-in./32-in. centers

3 Screw hole for 600-mm/800-mm centers

4 Screw hole for cabinet connection

4.9 Grounding the Rack

WARNING! Each rack must have its own protective-earth conductor. Do not daisy-chain the protective-earth

circuit using the multiple protective-earthing connection points. Protective-earthing connections shall be

such that disconnection of a protective earth at one point in a unit or a system does not break the protective-

earthing connection to other parts or units in a system, unless the relevant hazard is removed at the same

time.

Each rack shall be connected to the grounding electrode conductor using one of the dedicated grounding locations, see

Figure 4.13  on the next page . Each location is identified with a ground symbol and has a M8 threaded insert in the frame.

• Install in accordance with national and local electrical codes. Select protective earth grounding conductor size

using the guidance from national and local electrical codes.

• Use a star washer between the ground-terminal fitting and the rack frame to pierce the paint to provide a good

protective-earth-ground circuit. Alternatively, remove paint on the frame ground-terminal installation location.

See NFPA 70 Article 250.

• Torque hardware to 10 N-m (90 lb-in).

4 Installation and Assembly Procedures

21

Vertiv™ VR Installer/User Guide

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