Lauda RA 12, Operating Instructions Manual, Page: 5 / 52

7/2022 Alpha 5 / 52
7.11.4 Unlock the overtemperature protection .................................................................................................................. 32
7.11.5 Pump-motor supervision: Overload ......................................................................................................................... 32
7.11.6 Fault list “Alarms and Errors” .................................................................................................................................... 33
8 MAINTENANCE ........................................................................................................................................................................ 34
8.1 C
LEANING
............................................................................................................................................................................ 34
8.2 M
AINTENANCE
.................................................................................................................................................................... 34
8.2.1 Service intervals .......................................................................................................................................................... 34
8.2.2 Testing the heat transfer liquid .................................................................................................................................. 35
8.2.3 Maintenance of the refrigeration unit ....................................................................................................................... 35
8.3 N
OTE ON REPAIR
................................................................................................................................................................. 35
8.4 D
ISPOSAL INFORMATION
.................................................................................................................................................... 35
8.4.1 Disposal of refrigerant ................................................................................................................................................ 35
8.4.2 Disposal of packaging ................................................................................................................................................. 35
8.5 O
RDERING SPARES AND RATING LABEL
............................................................................................................................. 36
9 ACCESSORIES .......................................................................................................................................................................... 37
10 TECHNICAL DATA AND DIAGRAMS ................................................................................................................................. 39
11 DECLARATION OF CONFORMITY AND PRODUCT RETURNS ................................................................................ 45
12 COPYRIGHT .............................................................................................................................................................................. 48
13 INDEX .......................................................................................................................................................................................... 49
Explanation of symbols
Caution This sign is used where there may be injury to personnel if a
recommendation is not followed accurately or is disregarded.

Note Here special attention is drawn to some aspect. May include
reference to danger.

Reference Refers to other information in different sections.