Grundfos DMX 226 - Page 5

5
V6.0
DMX model 226 en
6 Operation ............................................................................................. 64
6.1 Description of the Device..........................................................................64
6.2 Switching on / off ......................................................................................64
6.2.1 Switching on ..................................................................................64
6.2.2 Switching off ..................................................................................64
6.3 Adjusting the Dosing Flow by Means of the Stroke length........................65
6.4 Adjusting the Stroke Length Adjustment ...................................................65
6.5 Possible Failures .......................................................................................66
7 Operation with Other Electronics....................................................... 67
7.1 Electronics Version Stroke sensor ............................................................67
7.2 Electronics Diaphragm Breakage Sensor .................................................67
7.2.1 Technical Data of the Electronics ..................................................67
7.2.2 Dimensional Drawing (Electronics Enclosure)...............................67
7.2.3 Function.........................................................................................68
7.2.4 Electrical Connections of the Electronics ......................................68
7.2.5 Relay Outputs ................................................................................69
7.2.6 Screwing the Sensor into the Dosing Head ...................................69
7.2.7 Commissioning ..............................................................................70
7.2.8 Using the Contacts ........................................................................70
7.2.9 Description of the Device ..............................................................70
7.2.10 Maintenance ..................................................................................71
8 Integral Overflow Valve ....................................................................... 72
8.1 Function ....................................................................................................72
8.2 Permissible Media ....................................................................................72
8.3 Connections ..............................................................................................72
8.4 Setting of Opening Pressure.....................................................................73
8.4.1 General ..........................................................................................73
8.4.2 Setting Instructions for Opening Pressure .....................................73
8.5 Venting ......................................................................................................74
8.6 Possible Faults ..........................................................................................74
8.7 Maintenance .............................................................................................74
8.7.1 Intervals for Cleaning and Maintenance ........................................74
8.7.2 Replacing the Diaphragm ..............................................................74
9 Maintenance ......................................................................................... 75
9.1 Replacing the Gear Grease ......................................................................75
9.2 Rates for cleaning and maintenance ........................................................75
9.3 Cleaning the Suction and Pressure Valves ...............................................75
9.4 Exchanging the Diaphragm ......................................................................76
A. Appendix Dosing Curves .................................................................. 198