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DMX model 227
V3.0
6.2
Principle of function ................................................................................. 23
6.3
Switching on / off ..................................................................................... 23
6.3.1 Switching on ................................................................................ 23
6.3.2 Switching off ................................................................................. 23
6.4
Adjustment of dosing rate using frequency converter ............................ 23
23
6.5
Possible Failures ..................................................................................... 24
7
Electronics Diaphragm Breakage Sensor ............................................ 25
7.1
Technical Data of the Electronics ............................................................ 25
7.2
Dimensional Drawing (Electronics Enclosure) ....................................... 25
7.2
Function ................................................................................................... 25
7.2.1 Pumps prepared for a diaphragm breakage indication .............. 25
7.2.2 Using the Contacts ...................................................................... 26
7.2.3 Description of the Device ............................................................. 26
7.3
Electrical Connections of the Electronics ............................................... 26
7.3.1 Relay Outputs .............................................................................. 27
7.4
Screwing the Sensor into the Dosing Head ........................................... 28
7.5
Commissioning ....................................................................................... 28
7.6
Maintenance ........................................................................................... 29
8
Maintenance ..........................................................................................30
8.1
Rates for cleaning and maintenance ...................................................... 30
8.2
Gear oil change ....................................................................................... 30
8.3
Cleaning the Suction and Pressure Valves ............................................ 31
8.4
Exchanging the Diaphragm .................................................................... 32
Appendix: Dosing Curves for DMX model 227 .....................................33
9
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