ELECTOR SA-2020pro Manuel De L'utilisateur page 16

Flushing and desludging of heating and cooling systems
1 General / Safety Instructions
1.1 Intended use ...................................................................................................................... 16
1.2 Field of use ........................................................................................................................ 16
1.3 Safety instructions ............................................................................................................. 16
1.4 Safety rules ........................................................................................................................ 16
1.5 Disclaimer of liability .......................................................................................................... 17
1.6 Specific safety and work instructions ................................................................................. 17
2 System overview
2.1 System overview flushing device SA-2020pro .................................................................... 18
2.1.1 Technical specifications................................................................................................... 18
2.1.2 Structure of the flushing device ....................................................................................... 18
3 Installation instructions / Operation
3.1 Accompanying measures ................................................................................................... 19
3.2 General connection and operating instructions .................................................................... 19
3.3 Connection via main flow and main return .......................................................................... 20
3.4 Connection via manifold ..................................................................................................... 20
3.5 Selection of the connection type ......................................................................................... 21
3.6 Flushing scheme ................................................................................................................ 21
3.7 Reversing the flushing direction .......................................................................................... 22
3.7.1 Flushing variant I - all valves in horizontal position ........................................................... 22
3.7.2 Flushing variant II - all valves in vertical position .............................................................. 22
3.8 Compressed air control ...................................................................................................... 23
3.9 Control panel of the compressed air control ........................................................................ 23
3.10 Operation of the compressed air control ........................................................................... 23
3.11 Ideal interval time of the compressed air control ............................................................... 24
4 Flushing recommendations
4.1 Example of a possible flush sequence in case of heating systems ....................................... 25
4.2 Special features when flushing heating systems with radiators ............................................ 27
4.3 Apparently blocked pipes ................................................................................................... 27
4.4 Protection against renewed silting....................................................................................... 28
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