KROHNE ALTOSONIC V EEx EN - Manual (Page 5)

Table of Contents
1.
System components..........................................................................2
1.1 General information .................................................................................... 2
1.2 Flow Sensor ................................................................................................ 2
1.3 Flow Converter............................................................................................ 2
1.3.1 Versions...................................................................................................................................... 2
1.3.2 Cable and conduit entries........................................................................................................... 3
1.3.3 Warning messages..................................................................................................................... 3
1.3.4 Heating element and thermostats .............................................................................................. 3
2. Electrical connections .......................................................................5
2.1 Equipotential bonding system ..................................................................... 6
2.2 Connecting cables ...................................................................................... 6
2.3 Connection diagram.................................................................................... 7
3. Service and maintenance..................................................................8
3.1 Introduction ................................................................................................. 8
3.2 Replacement of electronics unit .................................................................. 9
3.3 Replacement of power fuse(s) .................................................................. 10
3.3.1 AC versions 115/230 V AC and 100/200 V AC ........................................................................ 10
3.3.2 24 V AC/DC version ................................................................................................................. 11
3.4 Changing power supply voltage (not for 24 V AC/DC version).................. 11
Appendix 1 Type Examination Certificate ..............................................12
Appendix 2 Declaration of Conformity....................................................22
Appendix 2 Declaration of Conformity....................................................22
Appendix 3 Data plates ..........................................................................23