
CONTENTS
2 www.krohne.com 03/2022 - 4005303003 - QS WATERFLUX 3070 - R03 en
WATERFLUX 3070
1 Safety instructions 4
1.1 Instruction for transportation and handling of batteries................................................. 5
2 Installation 6
2.1 Scope of delivery............................................................................................................... 6
2.2 Device description ............................................................................................................ 7
2.3 Nameplate (example) ....................................................................................................... 8
2.4 Storage ............................................................................................................................. 9
2.5 Transport .......................................................................................................................... 9
2.6 Pre-installation requirements ......................................................................................... 9
2.7 General requirements.................................................................................................... 10
2.7.1 Vibration ................................................................................................................................ 10
2.7.2 Magnetic field........................................................................................................................ 10
2.8 Installation conditions .................................................................................................... 11
2.8.1 Inlet and outlet...................................................................................................................... 11
2.8.2 T-section ............................................................................................................................... 11
2.8.3 Open feed or discharge......................................................................................................... 11
2.8.4 Bends .................................................................................................................................... 12
2.8.5 Pump ..................................................................................................................................... 13
2.8.6 Control valve ......................................................................................................................... 13
2.8.7 Air venting and vacuum forces ............................................................................................. 14
2.8.8 Flange Deviation ................................................................................................................... 15
2.8.9 Mounting position.................................................................................................................. 15
2.8.10 Installation in a metering pit and subsurface applications................................................ 16
2.9 Mounting......................................................................................................................... 17
2.9.1 Torques and pressures......................................................................................................... 17
2.10 Mounting of the signal converter ................................................................................. 20
2.10.1 Remote signal converter housing....................................................................................... 20
2.10.2 Closing of the signal converter housing............................................................................. 20
2.10.3 Mounting of the KROHNE FlexPower unit.......................................................................... 21
3 Electrical connections 22
3.1 Safety instructions.......................................................................................................... 22
3.2 Grounding ....................................................................................................................... 22
3.3 Cable overview................................................................................................................ 23
3.4 Connection of the flow sensor cable.............................................................................. 24
3.5 Connection of the signal cable....................................................................................... 25
3.5.1 IP68 housing (compact version)............................................................................................ 25
3.5.2 IP68 housing (remote version).............................................................................................. 26