III
6.4.4.3 Selection of the interface...........................................................................................................28
6.4.4.4 Setting the Baud rate/ transfer rate (serial interface) ................................................................29
6.4.4.5 User calibration..........................................................................................................................30
6.5 Warning and safety functions.........................................................................................31
6.5.1 Overtemperature protection and testing ..................................................................................31
6.5.2 Low-level protection and testing...............................................................................................33
6.5.3 Pump motor monitoring.............................................................................................................34
6.5.4 Connection floating contact ”Combination fault” 31 N ..........................................................34
6.5.5 Other error messages.................................................................................................................35
7 SAFETY NOTES ......................................................................................................................36
7.1 General safety notes........................................................................................................36
7.2 Other safety notes ...........................................................................................................36
8 MAINTENANCE .......................................................................................................................38
8.1 Cleaning............................................................................................................................38
8.2 Maintenance and repair...................................................................................................38
8.2.1 Maintenance of the refrigeration unit .......................................................................................39
8.2.2 Note on repair and disposal.......................................................................................................39
8.3 Ordering spares...............................................................................................................39
9 TECHNICAL DATA (TO DIN 58966)........................................................................................40
10 ACCESSORIES....................................................................................................................43
11 CIRCUIT DIAGRAM..............................................................................................................44
12 PIPE PLAN ...........................................................................................................................48