VERTIV VR3157 (01) PDF Document

The components included in the DCD VR Rack Adapter Kit for the VERTIV VR3157 are as follows:

* The EIA rail covers only apply to the 800mm VR racks.

The following table identifies the compatible DCD and Adapter Kit for the VERTIV VR3157 model:

** Note: Depending on the desired configuration, the water connection could be on the top or bottom, left or right.

Yes, the installation process for the VERTIV VR3157 adapter kit requires two persons for handling at multiple steps.

Using the hardware from bag 1, assemble the DCD Adapter by tightening the M5-0.8X10mm screws to the top and the M5-0.8 nuts to the bottom using the M5 washers.

First, remove the Side Panels (1) to install the Air Recirculation Prevention Kit (2).

** NOTE: Refer to the related VRA2004 Instructions.

** NOTE: Refer to VR Rack user manual to remove panels.

Remove the Roof Panel plastic covers on the rack, then install the Cable Pass Through Brushes.

** Note: Refer to the related VRA2006 instructions.

Install the 12 EIA rail covers as shown in the guide by tightening the M6 screws & M6 nuts.

** Note: fasten the grounding screw until you feel resistance.

Before attaching the frame, you must perform two steps:

1. Remove the rear doors from the rack by opening them at a 90° angle to the rack, then they can be lifted off without tools. NOTE: Unscrew and detach the ground cable.

2. Remove baying brackets. If needed, you can install them back after step 7.

With hardware from bag 2, mount the DCD Adapter frame onto the VR Rack.

1. Insert the 8 Torx mounting screws PH M6-1X12mm ZP, using a T30 driver and torque to 10.5 N-m (7.74 ft-lb).

2. Then insert and torque the Hex head serrated screw M8X14 (ground screw) to 25.46 N-M (18.78 ft-lb).

Discard the following unnecessary hardware from the DCD™ frame:

• all spring nuts (b)

• 22 M5x10 screws (a)

• all washers

• 6 diamond nuts (c)

Align the DCD™ frame with the rear of the rack with the adapter already installed.

• For Bottom chilled water connections: ensure that the connections are pointing down.

• For Top chilled water connections: ensure that the connections are pointing up.

** NOTE: Depending on the configuration, the connections could be on the top or bottom, left or right side.

With hardware from bag 3, screw (without tightening) the M4 screws with washers starting from the side (3 screws), following on the bottom (3 screws) and then on the top (3 screws). Once all screws are placed, fully tighten them to prevent the frame from twisting. This step requires two persons for handling.

1. From the DCD box, use the M5 nuts to screw both corner brackets as shown in the image.

2. Insert and tighten the 2 DCD corner brackets from the DCD box with the hardware included in the DCD.

3. From the hardware of bag 3, insert and tighten the M4 screws with washers and ribbed shank rivet as shown in the guide.

1. Install the DCD door onto the DCD frame and screw the hinges. This step requires two people for handling.

** NOTE: Refer to the “NOTE” on Section 6.1 – DCD frame preparation of the Liebert® DCD™ Installer/User Guide and to Section 6.3 Installing the DCD Door for the detailed steps.

2. Install the DCD swivel-joint covers.

** NOTE: Refer to the section 6.4 Installing the DCD Swivel-joint Covers on the Liebert® DCD™ Installer/User Guide for the complete instructions.

Use the existing ground cable on the DCD frame to connect to the DCD Adapter frame using an M4 screw and a washer from bag 3. Screw it into the hole where the ground symbol is located and torque to 3 N-m (2.25 ft-lb).

Install the side panels as shown in the guide.

** Note: Refer to VR Rack user manual, section 4.3.

Use the magnetic tapes included in the kit to cover the top and side panel gaps as shown in the image and tables. Cut the tape pieces according to this guidance table:

A) 2″ wide magnetic tape

B) 1″ wide magnetic tape

Install the VR Networking Rack Bottom Panel.

** NOTE: Refer to the VR Networking Bottom Panel Quick Installation Guide for related instructions.

The final step is to install the active unit to the DCD door.