Vertiv SmartRow DCR, Инструкция по установке и эксплуатации

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3. Again referring to Figure 4.25 below, route the cable along the right-hand side of the top
plenum and connect to the mated low-voltage connector of the PDX/PCW.
Figure 4.25 HVAC fault/Emergency Fan control/Thermal-unit Shutdown cable routing path
NO. DESCRIPTION
1 4-pin connector
2 Rubber grommet
3 Cable path
4.10.7 Connecting Secondary, 4-pin HVAC Fault/ Emergency Fan Control,
Thermal-Unit Shutdown Connector Cable (P2R) for 20-kW (N+1)/36-kW (N)
Configurations
1. Locate the wire harness with the secondary, 4-pin connector (P2R) in the Control Panel and
Fire Suppression cabinet, and route the wire harness through the rubber grommet as shown in
Figure 4.25 above.
2. In the secondary DCR Top Plenum-PDX/PCW (DCR-A-401PDX) locate the 30-ft extension
cable with the 4-pin connector.
3. Connect one end of the extension cable to the low-voltage connector attached to the
secondary PDX/PCW unit, referring to Figure 4.25 above for routing the cable.
4. Route the opposite end of the extension cable through the Top Plenum-Rack(s) to the primary
Top Plenum-PDX/PCW, and connect this end to the 4-pin connector of the DCR Control Panel
and Fire Suppression module.
4.11 Adjusting Air-flow Adjustment Dampers
To make sure that the air-flow adjustment dampers stay in place during cooling-unit operation,
(2) damper-security push pins are factory-installed in each of the damper assemblies.
1. Refer to Figure 4.26 on the facing page, and locate the pins in the front of the air-supply
opening on the damper.
Vertiv | SmartRow DCR Installer/User Guide | 42