Lenovo Neptune DWC RM100 - Table of Contents

CDU Operating & Maintenance Guide Page 3
Neptune DWC RM100 in-rack Coolant Distribution Unit
Contents
Safety Information ......................................................................................................................... 5
Safety Notices ........................................................................................................................... 5
Safety Instructions ..................................................................................................................... 5
1. Product Description ................................................................................................................... 7
1.1 General ............................................................................................................................... 7
1.2 Product Views ...................................................................................................................... 8
2. Operation ................................................................................................................................ 10
2.1 Controller Overview ............................................................................................................ 10
2.2 User Interface .................................................................................................................... 10
2.2.1 HOME Screen ................................................................................................................. 10
2.2.2 Main MENU Screen ......................................................................................................... 10
2.2.3 STATUS Screen .............................................................................................................. 11
2.2.4 DATA CURVES Screen (real time update) ........................................................................ 12
2.2.5 ALARM Screen................................................................................................................ 12
2.2.6 LOG-IN Screen................................................................................................................ 13
2.2.7 SETUP Screen ................................................................................................................ 14
2.2.8 CONFIGURATION Screen ............................................................................................... 16
2.2.9 SERVICE Screen ............................................................................................................ 18
2.2.10 DIAGNOSTICS Screen .................................................................................................. 20
2.2.11 CALIBRATION Screen ................................................................................................... 21
2.3 Automatic Operation ........................................................................................................... 21
2.3.1 Secondary Circuit Operation ............................................................................................. 21
2.3.2 Primary Circuit Operation ................................................................................................. 27
2.4 Temperature Control Loop Adjustment ................................................................................. 28
2.4.1 PI Control ........................................................................................................................ 28
2.4.2 PID Control ..................................................................................................................... 28
2.5 Alarm Management ............................................................................................................ 28
2.6 Trouble Shooting (Alarms) .................................................................................................. 30
2.7 Temperature Sensor Graph................................................................................................. 35
3. Maintenance ........................................................................................................................... 36
3.1 General ............................................................................................................................. 36
3.2 Fluid Specifications ............................................................................................................. 36
3.3 Planned Maintenance ......................................................................................................... 36
3.3.1 Special tools/equipment ................................................................................................... 36
3.3.2 Visual checks for damage & leakage ................................................................................. 36
3.3.3 General settings .............................................................................................................. 36
3.3.4 Controller checks ............................................................................................................. 37
3.3.5 Communication checks .................................................................................................... 37
3.3.6 Sensor checks ................................................................................................................. 37