Lauda PROLINE Kryomats RP 4050 C Operation Manual page 6

7.12.4 High-level warning or alarm ......................................................................................................................................... 92
7.12.5 Pump-motor supervision: Overload or blockage ....................................................................................................... 93
7.12.6 Pump-motor supervision: Dry running ....................................................................................................................... 93
7.12.7 Compressor Overtemp ................................................................................................................................................. 94
7.12.8 Three-phase current ..................................................................................................................................................... 94
7.12.9 Fault list „Alarms and Warnings" ................................................................................................................................. 95
8 INTERFACE MODULES ........................................................................................................................................... 98
8.1 I
NSTALLING OF MODULES
8.2 M
ENU STRUCTURE FOR ALL MODULES
8.3 S
ERIAL INTERFACE
8.3.1 Connecting cables and interface test RS 232 ......................................................................................................... 100
8.3.2 Protocol RS 232 ......................................................................................................................................................... 101
8.3.3 Connecting cable RS 485 ......................................................................................................................................... 101
8.3.4 Protocol RS 485 ......................................................................................................................................................... 102
8.3.5 Write commands (Data commands to the thermostat) .......................................................................................... 102
8.3.6 Read commands (Data requested from the thermostat) ........................................................................................ 104
8.3.7 Error messages ............................................................................................................................................................ 106
8.3.8 Driver software for LABVIEW® ............................................................................................................................... 106
8.4 A
NALOGUE MODULE
8.5 C
ONTACT MODULE
8.5.1 Contact module LRZ 915 with three inputs and three outputs ............................................................................. 108
8.5.2 Namur-Contact module LRZ 914 with only one input and one output ............................................................... 109
9 MAINTENANCE....................................................................................................................................................... 110
9.1 D
EVICE STATUS
9.1.1 Interrogating the device type ..................................................................................................................................... 110
9.1.2 Software version .......................................................................................................................................................... 110
9.1.3 Serial numbers ............................................................................................................................................................. 110
9.1.4 Device data .................................................................................................................................................................. 110
9.1.5 Fault memory .............................................................................................................................................................. 111
9.2 C
LEANING
9.2.1 Cleaning the surface of the device ............................................................................................................................ 111
9.2.2 Draining the water-cooled condenser ....................................................................................................................... 112
9.3 S
ERVICING
9.3.1 Servicing ....................................................................................................................................................................... 113
9.3.2 Service intervals ........................................................................................................................................................... 114
9.3.3 Testing the heat transfer liquid ................................................................................................................................... 114
9.3.4 Cleaning the condenser .............................................................................................................................................. 115
9.3.4.1 Air-cooled condenser ........................................................................................................................................ 115
9.3.4.2 Water-cooled condenser ................................................................................................................................... 115
9.3.4.2.1 Cleaning the dirt trap ..................................................................................................................................... 115
9.3.4.2.2 Decalcifying the water cooling circuit .......................................................................................................... 116
9.3.5 Repair information....................................................................................................................................................... 116
9.3.6 Remedying faults ......................................................................................................................................................... 117
9.4 D
ISPOSAL INFORMATION
9.4.1 Disposal of the refrigerant .......................................................................................................................................... 118
9.4.2 Disposal of the packaging ........................................................................................................................................... 119
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............................................................................................................................................. 98
RS 232/485 ............................................................................................................................... 100
................................................................................................................................................... 107
..................................................................................................................................................... 108
............................................................................................................................................................ 110
.................................................................................................................................................................... 111
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CLEANING REPAIR AND DISPOSAL INFORMATION
............................................................................................................................................ 118
......................................................................................................................... 99
................................................................................ 112
Proline Kryomats 03/2022