Unit installation
CDU Installation Guide Page 3
Cooling Distribution Unit
CONTENTS
Section 1 SAFETY INSTRUCTIONS
General Notice 5
1.1 Installation/Handling 6
1.2 Application 6
1.3 Warranty 6
1.4 Electrical connection 6
1.5 Maintenance 6
1.6 Service parts 6
1.7 Codes of Practice 6
1.8 Waste disposal 6
1.9 Documentation 6
Section 2 INTRODUCTION
2.1 General 7
Section 3 TECHNICAL DATA
3.1 Handling 9
3.2 Pipe Connections 9
3.3 Electrical Connection 9
3.4 Volume Capacity 9
3.5 Noise 9
3.6 Secondary Circuit 9
3.7 Primary Circuit 10
Section 4 INSTALLATION
4.1 Mechanical 13
4.2 Electrical 13
4.3 Hydraulic 14
4.4 Heat Transfer Fluids 15
4.5 Flushing 15
4.6 Door Lock Details 15
Section 5 COMMISSIONING
5.1 Pre-Commissioning Checks 17
5.2 Chilled Water 17
5.3 Controller Setup 17
5.4 Attaching to Mother Board 18
5.5 Display Contrast 18
5.6 Inverter Setup 19
5.7 System Filling 20
5.8 General - Manual Control & Overrides 21
5.9 Manual Control 21
5.10 Overrides 21
5.11 Pump Rotation 22
5.12 Primary Flow Setup 22
5.13 Secondary Flow Balancing Valves 23
Section 6 OPERATION
6.1 Controller Introduction 25
6.2 Controller Menu Summary 28
6.3 Automatic Operation 33
6.4 Acknowledgement of Event Messages 36
6.5 Defer Active Events 37
6.6 Connection of Additional Racks 37
6.7 Control Loop Set-up 38