Testing The Heat Transfer Liquid; Maintenance Of The Refrigeration Unit; Note On Repair; Disposal Information - Lauda RA 12 Operating Instructions Manual

8.2.2

Testing the heat transfer liquid

If the heat transfer liquid becomes contaminated, it has to be replaced ( 6.2 and 6.3).
If required, the heat carrier should be checked for capability for use (for example when changing the method of opera-
tion), or at least half-yearly. Further use of the heat carrier is only permissible if the inspection indicates this.
The test of the heat transfer liquid should takes place according to DIN 51529; Testing and assessment of used heat transfer media.
Source: VDI 3033; DIN 51529.
8.2.3

Maintenance of the refrigeration unit

8.3

Note on repair

If you need to send in a unit for repair, it is essential to first contact the LAUDA Service ( 8.5).

 If the equipment has to be returned to the factory, please ensure that it is packed carefully and
properly. LAUDA accepts no responsibility for damage due to unsatisfactory packing.
8.4

Disposal information

The following applies to Europe: The disposal of the device is regulated by EU Directive 2012/19/EU
(WEEE Waste of Electrical and Electronic Equipment).
8.4.1

Disposal of refrigerant

The type and filling quantity of the refrigerant can be read on the unit or on the rating plate. Repair and disposal only
through a qualified refrigeration engineer!
The refrigerant must be disposed of in accordance with regulation 2015/2067/EU in combination with regulation
517/2014/EU.
8.4.2

Disposal of packaging

The packaging must be disposed of in accordance with EU Directive 94/62/EC.
7/2022
Condenser cleaning
The refrigeration unit operates largely without mainte-
nance.
Depending on the ambient dust conditions and the operat-
ing time, any dust on the heat exchanger (condenser)
must be removed at intervals of 2 weeks or longer.
This is done after taking off the front grille. Brush off the
condenser and if necessary blow through with compressed
air.
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