Vertiv Liebert RX, Руководство пользователя

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Vertiv | Liebert
®
RX
™
Remote Distribution Cabinet User Manual | 21
2.0 EQUIPMENT INSPECTION AND STARTUP
2.1 Internal Inspection
A detailed internal inspection should be performed after the unit is in place and before it is
energized, to ensure trouble-free startup. The same internal inspection should be carried out
when performing preventive maintenance.
Gain access to the internal components of the Liebert RX by opening the accent panel.
Inspect the wiring and components to be sure they are not damaged.
Check all power connections for tightness. Refer to
Table 1 for torque requirements of all
electrical connections
Follow the procedures described in
3.0 - Inspection and Startup Checklist when performing a
detailed inspection.
2.2 Startup
Follow the detailed step-by-step checklist in 3.0 - Inspection and Startup Checklist when
installing and starting up the Liebert RX.
A qualified electrician should be employed to perform the equipment inspection and startup.
System startup may be arranged by calling your local Vertiv sales representative or Vertiv. In the
USA, call 1-800-543-2378.
WARNING
Risk of electric shock. Can cause personal injury or death.
Verify that all incoming power circuits are de-energized and locked out before performing
the internal inspection.
Table 1 Maximum wire range recommended torque values
Terminal Connector Max. Wire Range Torque, in/lb
Main Lug No. 3/0-500 MCM Copper 275
Ground Main No. 6-250 MCM Cu 200
Ground Neutral Bar
1/4" Holes
(No. 14-4 AWG)
5/16" Holes
(No.14-2 AWG) No. 14-10 Copper
No. 8 Copper
No. 6-4 Copper
No. 2 Copper 20
25
35
50
Connector Mounting Hardware
1/2"-13 Bolt and Nut — 480
QOB Breaker Connector Screw — 18-21
See branch breaker for lug torque.