Lenovo Neptune DWC RM100 User Manual

Lenovo Neptune DWC RM100
in-rack Coolant Distribution Unit
(CDU)
OPERATION & MAINTENANCE GUIDE

Lenovo Neptune DWC RM100 Specifications

General

Product Name	Lenovo Neptune DWC RM100
Category	Server
Cooling	Direct Water Cooling
Server Type	Rack
Cooling Technology	Direct Water Cooling
Processor Support	Intel Xeon Scalable Processors
Power Supply	Redundant Power Supplies
Form Factor	1U Rack

Summary

General Statement

Product Standards and Approvals

Conformance to Low Voltage, EMC, and Pressure Equipment directives.

ROHS 2 Compliance

Certification of compliance with EU RoHS Directives for product materials.

ISO 9001 Certification

Company registration as an ISO 9001:2015 certified entity for Quality Management.

Safety Information

Safety Notices and Instructions

Warnings, cautions, and guidelines for safe operation, handling, and maintenance.

Electrical and Disposal Safety

Precautions for high-voltage connections, replacement parts, and responsible waste management.

Product Description

General Overview and Function

Basic characteristics and operational purpose of the RM100 Coolant Distribution Unit (CDU).

Component Identification

Identification of key components through front and rear views of the unit.

Operation

Controller and User Interface

Overview of the controller, its interface, and navigation through various screens.

System Configuration and Setup

Accessing and modifying unit parameters via Setup and Configuration menus.

Service, Diagnostics, and Calibration

Advanced operations including service, diagnostics, and calibration procedures.

Operation Modes and Control Loops

Automatic operation, circuit control, temperature control loop tuning, and sensor data.

Alarm Management and Troubleshooting

Viewing active alarms, understanding alarm codes, and troubleshooting steps.

Maintenance

General Maintenance and Fluid Specifications

Routine cleaning, leak checks, and fluid requirements for primary/secondary circuits.

Planned Maintenance Tasks

Scheduled maintenance activities, required tools, and checks.

Secondary Filter Service

Procedure for removing, cleaning, and reinstalling the secondary filter unit.

Spare Parts Identification

Catalog of available spare parts with part numbers and descriptions for ordering.

Additional Information

Wiring Diagrams

Electrical schematics detailing CDU connections, components, and power distribution.

Pipe Schematic Diagram

Diagram illustrating the fluid circuit layout and flow paths of the RM100 CDU.

Warranty and Contact Information

Details on product warranty, after-sales service, and manufacturer contact information.

Disposal Information

Unit Decommissioning and Disposal

Guidelines for responsible decommissioning and disposal of the unit according to regulations.