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04.10.2008 / LSV-JWh/ Rev. 02
DIGIDOS 24 AT
© 2008
1 INTRODUCTION................................................................ 31
1.1 Manufacturer’s and Customer Service Address ................... 32
1.2 Identification ........................................................................ 32
1.3 Intended Purpose ................................................................ 33
1.4 General Safety Instructions .................................................. 33
2 DESCRIPTION................................................................... 36
2.1 Main DIGIDOS Components................................................ 36
2.2 Rear Display ....................................................................... 37
2.3 Functional Principle ............................................................. 38
2.4 DIGIDOS 24 Technical Data ................................................ 39
2.5 Power Supply ...................................................................... 40
2.6 Working Ranges.................................................................. 41
2.7 Electropneumatic Control Valves ......................................... 42
2.7.1 Compressed Air Supply....................................................... 43
2.7.2 Emergency Actuation of the Electropneumatic
Control Valves ..................................................................... 43
2.7.3 Emergency Operation of the Compressed Air Cylinder ........ 44
3 OPERATION ...................................................................... 45
3.1 Preparations for Commissioning ......................................... 45
3.2 Commissioning ................................................................... 46
3.3 Operation ............................................................................ 47
3.3.1 Requirements for Foam Operation....................................... 47
3.3.2 Monitoring During Operation................................................ 48
3.4 Terminating Foam Operation ............................................... 48
3.5 Flushing and Purging ........................................................... 48
3.6 Foam Intake ........................................................................ 50
3.7 Changing the Preset Proportioning Rate Values .................. 50
4 WARNINGS AND NOTES ................................................. 51
4.1 Warning: „Cavitation CAV“ ................................................... 51
4.2 Note: „Unable to Achieve Proportioning Rate“ ...................... 51
4.3 Note: „Malfunction direct injection foam
proportioning system“ .......................................................... 51
4.4 Note: „Empty Foam Tank“ .................................................... 52
5 MALFUNCTIONS AND THEIR ELIMINATION .................. 54
6 NOTES ON MATERIAL DISPOSAL .................................. 55
TABLE OF CONTENTS
INHALTSVERZEICHNIS
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