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04.10.2008/ LSV-JWh/Rev.02
DIGIDOS 24 AT
© 2008
1 INTRODUCTION................................................................ 31
1.1 Manufacturer’s and CustomerServiceAddress ................... 32
1.2 Identification ........................................................................ 32
1.3 IntendedPurpose ................................................................ 33
1.4 GeneralSafetyInstructions .................................................. 33
2 DESCRIPTION................................................................... 36
2.1 MainDIGIDOSComponents................................................ 36
2.2 Rear Display ....................................................................... 37
2.3 FunctionalPrinciple ............................................................. 38
2.4 DIGIDOS24Technical Data ................................................ 39
2.5 PowerSupply ...................................................................... 40
2.6 WorkingRanges.................................................................. 41
2.7 ElectropneumaticControlValves ......................................... 42
2.7.1 CompressedAir Supply....................................................... 43
2.7.2 EmergencyActuation of the Electropneumatic
ControlValves ..................................................................... 43
2.7.3 EmergencyOperation of theCompressedAir Cylinder ........ 44
3 OPERATION ...................................................................... 45
3.1 Preparations for Commissioning ......................................... 45
3.2 Commissioning ................................................................... 46
3.3 Operation ............................................................................ 47
3.3.1 RequirementsforFoam Operation....................................... 47
3.3.2 MonitoringDuringOperation................................................ 48
3.4 TerminatingFoamOperation ............................................... 48
3.5 Flushing and Purging ........................................................... 48
3.6 FoamIntake ........................................................................ 50
3.7 Changingthe PresetProportioning Rate Values .................. 50
4 WARNINGS AND NOTES ................................................. 51
4.1 Warning:„Cavitation CAV“................................................... 51
4.2 Note:„UnabletoAchieveProportioning Rate“ ...................... 51
4.3 Note:„Malfunctiondirectinjectionfoam
proportioningsystem“ .......................................................... 51
4.4 Note:„EmptyFoamTank“ .................................................... 52
5 MALFUNCTIONS AND THEIR ELIMINATION .................. 54
6 NOTES ON MATERIAL DISPOSAL .................................. 55
TABLE OF CONTENTS
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