Emerson Liebert CRV 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 C R 0 2 0 R A 1 C 7 S D 1 8 1 1 E L 1 0 P A - Manual (Page 46)

Electrical Connections
Liebert ® CRV ™ 38
Figure 27 Power and control cable entry points and routing
Before proceeding with the electrical connections, ensure that:
• all electrical components are undamaged
• all terminal screws are tight
• the supply voltage and frequency are as indicated on the unit
8.1.1 Power Supply Cable Connections
• Connect the cable to the line inlet terminal board.
• Use the appropriate cable size for the current draw, supply voltage and installation type.
• Protect the supply using a backup fuse or circuit breaker.
• Do not fit the supply cable in the raceways inside the machine electric board.
• Use only multipolar cables with sheath (CEI20-22).
Wiring Connections
• Remote On/Off connections must be provided by the installer.
• The General Alarm terminals allow remote alarm signalling.
In case of short circuit, check the affected switch for sticking and replace it if necessary.
See electrical data in Appendix B - Electrical Data.
High Voltage
Top Entry Port
Low Voltage Channel
opening provides access
to the Liebert IntelliSlot ®
card housing
Low voltage cables are
routed through a channel
in the side panel to
connect the bottom of the
unit to the electrical panel
High voltage
bottom entry port
Low voltage bottom
entry port
High Voltage Top
Entry Port
Low Voltage Top
Entry Port