Data Curves Screen (Real Time Update); Alarm Screen; Fig.6 - Control System Data Curves Screen - Lenovo Neptune DWC RM100 Operation & Maintenance Manual

Primary Supply Temperature T1
Primary Return Temperature T5
Primary Flow Rate
Ambient Temperature
Dew Point
Secondary Flow Rate
Secondary Return Pressure PS1
Pump Inlet Pressure PS2
Secondary Supply Pressure PS3
Unit Differential Pressure PS3-PS1
Filter Differential Pressure PS1-PS2
Pump 1 Speed
Pump 1 Hours Run
Valve Runtime 0 to 25%
Valve Runtime 51 to 75%
Elapsed Minutes
MicroSD Used Space
Pump 1 Comms Status
Pump 1 Mode
Pump 1 Speed
Pump 1 Voltage
Pump 1 Current
Pump 1 Temperature
Drive 1 Temperature

2.2.4 DATA CURVES Screen (real time update)

The Data Curves screen displays a graphical representation of two pieces of variable data. A 'red' trace
for Cooling (Control Valve) Demand and a 'yellow' trace for Secondary Supply Temperature T2, both
of which will update in real time (time span of display is 3 minutes).

2.2.5 ALARM Screen

The Alarm screen can be used to view new or active Alarms and to acknowledge these events. Refer
to Section 2.6 for a full list of Alarms & further information.
CDU Operating & Maintenance Guide
Neptune DWC RM100 in-rack Coolant Distribution Unit
Status – Page 2
_ _ °C
Status – Page 3
_ _ %
Status – Page 4
_ _ Hrs
_ _ Hrs
_ _ Hrs
_ _ mins
Status – Page 5
_ _
_ _
_ _ rpm
_ _ V
_ _ A
_ _ °C
_ _ °C
Fig.6 – Control System Data Curves screen
Page
Ambient RH
Pump 2 Speed
Pump 2 Hours Run
Valve Runtime 26 to 50%
Valve Runtime 76 to 100%
Controller Software Version
Pump 2 Comms Status
Pump 2 Mode
Pump 2 Speed
Pump 2 Voltage
Pump 2 Current
Pump 2 Temperature
Drive 2 Temperature
12
_ _ °C
_ _ °C
_ _ l/m
_ _ %
_ _ °C
_ _ l/m
_ _ Bar
_ _ Bar
_ _ Bar
_ _ Bar
_ _ Bar
_ _ %
_ _ Hrs
_ _ Hrs
_ _ Hrs
_ _
_ _ %
_ _
_ _
_ _ rpm
_ _ V
_ _ A
_ _ °C
_ _ °C