Water Conditioning Unit (Wcu) - IBM Power Systems 775 Manual

AC requirements
Table 1-5 shows the AC electrical requirements.
Table 1-5 AC electrical requirements
Input configuration
Rated nominal voltage and frequency
Rated current (amps per phase)
Acceptable voltage tolerance @ machine power cord
Acceptable frequency tolerance @ machine power cord
1.5.5 Water conditioning unit
The Power 755 WCU system is shown in Figure 1-35.
(2X) Bulk Power
Assembly
Supply
Manifold
Water
Units
(WCUs)
Building
Chilled
Water
Figure 1-35 Power 755 water conditioning unit system
Manifold
Disk Enclosure
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
CEC - Compute CEC - Compute
Supply
Return
Chapter 1. Understanding the IBM Power Systems 775 Cluster
Three phase
and GND
(no neutral)
200 to 240 Vac
@ 50 to 60Hz
125A
180 - 259Vac
47 - 63Hz
Return
Rear
Door Door
Heat Heat
Exchanger Exchanger
(RDHx) (RDHx)
Three phase
and GND (no
neutral)
380 to 480 Vac
@50 to 60Hz
100A
333 - 508Vac
47 - 63Hz
45