Lauda RA 12, Operating Instructions Manual, Page: 8 / 52

8 / 52 Alpha 7/2022
2 Brief operating instructions
This brief instruction shall give you the possibility to operate the unit quickly. For safe operation of the
unit it is absolutely necessary to read all the instructions and safety notes carefully!
1. Assemble unit and add items as appropriate (

6).
2. Fill the unit with corresponding heat transfer liquid.
When starting up the unit, the tubular heater (

3) has to be covered with liquid! (

6.2).
Heating and immersion thermostats:
Fill the bath with decalcified water (

6.3).
Cooling thermostats:
Fill the bath with proper glycol/water mixture (

6.3).
The units are designed only for operation with non-flammable liquids to DIN EN 61010-2-010.

Take care of the level of the heat transfer liquid! (

6.2).
3. Connect the unit only to a socket with a protective earth (PE) connection.
Compare the information on the rating label with the supply details.
4. 4
.
Switch the unit on with the front switch .
5. 5
. Now the display shows the current bath temperature, for example
On warning or error message refer section (

7.11).

The overtemperature cut-out point
SAFE
is fixed at 105 °C and cannot be changed.
However, you can adjust a minimum and maximum operation temperature of the thermostat (

7.6).
Bath temperature
2 % 3