Power Requirements - Emerson Centellis 2000 Shelf Release 3.0 Manual

Site Preparation
Table 2-2 Critical Temperature Limits (continued)
Component
Air outlet (system's rear)
2.3.2

Power Requirements

For AC, make sure that 100 VAC to 240 VAC (90 VAC to 254 VAC) rated power source is within
reach of the system, and for DC make sure that a suitable -48.0 VDC to -60 VDC rated power
source is within reach of the system. Up to two power supply units (PSUs)/power entry
modules (PEM) can be installed in the system.
Personal Injury or System Damage
Centellis 2000 AC:
The system is supplied by an AC voltage. External wiring shall be compliant to all
requirements of National Electric Code (NEC).
Centellis 2000 DC:
The system is supplied by a TNV-2 voltage. This voltage is considered hazardous. Make sure
that the external power supply meets the relevant safety standards. Ensure that TNV-2 is
separated from dangerous voltages (mains) through double or reinforced insulation.
46
Maximum Temperature
70 °C (158 °F)
>70 °C (158 °F) and maximum 90 °C (194 °F): the cables
must be isolated and must be approved to be used in
this temperature range.
>70 °C (158 °F) and maximum 90 °C (194 °F): If you
operate the system at >70 °C and the service personnel
may touch the components, you have to make sure that
the cables are isolated and that the "hot surface" icon is
attached. The cables must be approved to be used in
this temperature range.
Centellis 2000 Shelf Release 3.0 Installation and Use (6806800L99F)