III
6.4.3.3 Selection of the interface...........................................................................................................29
6.4.3.4 Setting the Baud rate/ transfer rate (serial interface) ................................................................30
6.4.3.5 User calibration..........................................................................................................................31
6.5 Warning and safety functions......................................................................................... 33
6.5.1 Overtemperature protection and testing ..................................................................................33
6.5.2 Low-level protection and testing...............................................................................................34
6.5.3 Pump motor monitoring.............................................................................................................35
6.5.4 Connection floating contact ”Combination fault” 31 N ..........................................................35
6.5.5 Other error messages.................................................................................................................36
7 SAFETY NOTES ......................................................................................................................37
7.1 General safety notes........................................................................................................37
7.2 Other safety notes ...........................................................................................................37
8 MAINTENANCE .......................................................................................................................39
8.1 Cleaning............................................................................................................................ 39
8.2 Maintenance and repair...................................................................................................39
8.3 Ordering spares...............................................................................................................40
9 TECHNICAL DATA(TO DIN 58966).........................................................................................41
10 ACCESSORIES....................................................................................................................45
11 CIRCUIT DIAGRAM..............................................................................................................47