Removing Lime Deposits, Cleaning and Maintenance
10.7
The perforated floor can be removed from the Water Bath for cleaning procedures.
Caution, danger of scaldings! Do not reach into the hot water in the tank.
10.7.1 Descaling
Lime deposits in the tank can be removed with commercial descaling agents (e. g. rea-calc® of M/s CHEMOTEC
GmbH, 63486 Bruchköbel, Germany). Any descaling agent used must be admitted for use with stainless steel and must
only be used according to the manufacturer's instructions. After descaling the boiler, rinse it several times with water in
order to safely remove all remaining traces of the descaling agent.
Never use products containing hydrochloric acid. These will damage the heating elements, the temperature sensors as well
the tank and the screw connections of the ducts.
10.7.2 Cleaning and Maintenance
The original shine of the stainless steel surfaces of the tank can be restored with commercial stainless steel polishing agents
(e. g. "Helios Brillant" of M/s Ecolab Deutschland GmbH, 40789 Monheim, Germany). The powder-coated surfaces of
the housing can be cleaned with mild, non-abrasive and pH neutral cleaning agents.
Never use cleaning agents with solvents!
It is advisable to exchange the water in the tank in regular intervals in order to prevent germ formation. The drain cock is
situated at the back of the unit.
10.7.3 Decontamination
Should the Water Bath have been contaminated with dangerous substances, cleaning and decontamination measures must
be carried out according to the safety data sheets of these substances. It may be necessary afterwards to have the unit
tested for function and safety by a trained electrician or by the service department in the manufacturing plant.
For technical support concerning LAUDA Hydro Water Baths, please do not hesitate to contact our Service Department.
Please contact your dealer or us before returning a defective unit and do not return it before consulting us. A defective
unit may only be returned thoroughly cleaned, decontaminated, if necessary, and carefully packed, accompanied by a
detailed description of the defect, to
LAUDA-GFL Gesellschaft für Labortechnik mbH
Schulze-Delitzsch-Straße 4
30938 Burgwedel - Germany
Servicings, repairs and modifications must be carried out according to
the General Technical Rules and Regulations (§2, chapter 2, DGUV - Information 3)
by a trained electrician (§2, chapter 3, DGUV - Information 3).
Only original spare parts may be used. Always demand a confirmation (company, date, signature)
on the kind and extent of the service(s) carried out.
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