BUSCH DOLPHIN VL Systems, Instruction Manual Supplement

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Table of Contents
2 | 36 Instruction Manual Supplement DOLPHIN VL Systems_EN_en
Table of Contents
1 Safety..................................................................................................................................................................... 3
2 Product Description............................................................................................................................................. 4
2.1 Operating Principle ............................................................................................................................................. 6
2.1.1 Once-Through Operation..................................................................................................................... 6
2.1.2 Partial Recovery (Open Circuit)............................................................................................................ 7
2.1.3 Total Recovery (Closed Circuit)............................................................................................................ 7
2.2 VL System Description ........................................................................................................................................ 8
2.3 Start Controls....................................................................................................................................................... 8
2.4 Control Concept................................................................................................................................................... 8
2.4.1 Once Through Operation..................................................................................................................... 8
2.4.2 Partial Recovery (Open Circuit)............................................................................................................ 9
2.4.3 Total Recovery (Closed Circuit)............................................................................................................ 9
3 Transport .............................................................................................................................................................. 10
4 Storage .................................................................................................................................................................. 11
5 Installation ........................................................................................................................................................... 12
5.1 Installation Conditions........................................................................................................................................ 12
5.2 Connecting Lines / Pipes .................................................................................................................................... 12
5.2.1 Operating Liquid Connection .............................................................................................................. 13
6 Electrical Connection........................................................................................................................................... 16
6.1 Machine delivered without Control Box or Variable Speed Drive (VSD)....................................................... 16
6.2 Machine delivered with a Variable Speed Drive (Option)............................................................................... 17
6.3 Wiring Diagram Three-Phase Motor................................................................................................................. 17
6.4 Electrical Connection of the Monitoring Devices ............................................................................................ 18
6.4.1 Wiring Diagram Solenoid Valve........................................................................................................... 18
6.4.2 Wiring Diagram Resistance Thermometer ........................................................................................ 18
6.4.3 Wiring Diagram Level Switches .......................................................................................................... 18
7 Commissioning..................................................................................................................................................... 19
7.1 Preventing Cavitation ......................................................................................................................................... 19
8 Maintenance......................................................................................................................................................... 21
8.1 Maintenance Schedule ....................................................................................................................................... 22
9 Overhaul................................................................................................................................................................ 23
10 Decommissioning................................................................................................................................................. 24
10.1 Dismantling and Disposal .................................................................................................................................. 24
11 Spare Parts............................................................................................................................................................ 25
12 Troubleshooting................................................................................................................................................... 27
13 Technical Data...................................................................................................................................................... 29
14 EU Declaration of Conformity............................................................................................................................. 34
15 UK Declaration of Conformity ............................................................................................................................ 35