Lenovo Neptune DWC RM100 - Component Identification

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CDU Operating & Maintenance Guide Page 8

Neptune DWC RM100 in-rack Coolant Distribution Unit

1.2 Product Views

Fig.1 - Front View of RM100 (top cover panel removed)

Secondary Circuit

Pumps

Controller 7”

Touchscreen Display

Fluid make-up

connection

Plate Heat Exchanger

Removable Fascia

Panel

Pump 48v DC Power Supply

Primary Circuit

Control Valve

24v DC Power Supply

Dual Ethernet (RJ45)

Connections

Control Board

Temperature Sensors

Fill Pump

USB Connection

Main Page

Table of Contents3
Safety Information5
Safety Notices5
Safety Instructions5
Product Description7
General7
Product Views8
Fig.1 - Front View of RM1008
Fig.2 - Rear View of RM100 (with Hose Connection Detail)9
Operation10
Controller Overview10
User Interface10
HOME Screen10
Main MENU Screen10
Fig.3 - Control System Home Screen10
STATUS Screen11
Fig.4 - Control System Main Menu Screen11
Fig.5 - Control System Status Screen11
DATA CURVES Screen (Real Time Update)12
ALARM Screen12
Fig.6 - Control System Data Curves Screen12
LOG-IN Screen13
Fig.7 - Control System Alarms Screen13
Fig.8 - Control System Log-In Screen13
SETUP Screen14
Fig.9 - Control System Setup Screen14
CONFIGURATION Screen16
Fig.10 - Control System Configuration Screen16
SERVICE Screen18
Fig.11 - Control System Service Screen18
DIAGNOSTICS Screen20
Fig.12 - Control System Diagnostics Screen20
CALIBRATION Screen21
Automatic Operation21
Secondary Circuit Operation21
Fig.13 - Control System Calibration Screen21
Fig.14 - Control System On/Off Button21
Fig.15 - Fill Required Warning21
Fig.16 - Fill Pump Manual Activation22
Fig.17 - Fill Pressure & Level Flow Chart (at Initial Start)23
Fig.18 - Fill Pressure & Level Flow Chart (When Running)24
Fig.19 - Water Level Management Flow Chart (When Running)25
Primary Circuit Operation27
Temperature Control Loop Adjustment28
PI Control28
PID Control28
Alarm Management28
Trouble Shooting (Alarms)30
Temperature Sensor Graph35
Maintenance36
General36
Fluid Specifications36
Planned Maintenance36
Special Tools/Equipment36
Visual Checks for Damage & Leakage36
General Settings36
Controller Checks37
Communication Checks37
Sensor Checks37
Fluid Checks37
Functional Checks37
Secondary Filter Service38
Spare Parts38
Fig.24 - Servicing Secondary Filter38
Additional Information40
Wiring Diagram (WD00003-01)40
Pipe Schematic (SC00002-01)47
Warranty & Contact Details49

Lenovo Neptune DWC RM100 - Component Identification

Table of Contents

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