33
Fresh-water, Combined and Buffer Storage Tanks
GB
Magnesium protection anodes
*) Use new accessories 5T/807380 and a new seal 516005209 when replacing a part.
517807380 Accessories for insulated hole mounting 516005209 Seal for service hatch
List of spare parts 4.6
517807400 517807402 517807340 *) 517807355 *)
R1¼" x 500, Ø 33 R1¼" x 700, Ø 33 M8 x 500, Ø 33 M8 x 500, Ø 40
Combined storage tanks
500 x x *)
800 x x *)
1,000 x x *)
1,500 x x *)
Heat pump combination storage tanks
300 x
400 x x *)
500 x x *)
Required cleaning intervals are different depending on the water quality and the
temperature of the storage tank. A yearly interval is recommended.
IMPORTANT: With a drinking water hardness of over 20° dH, a yearly cleaning interval
is a requirement for asserting any warranty claims.
The cleaning is done through the flange aperture. The enamelled internal surface prevents
limestone formation as far as possible and allows for a quick cleaning of loose lime
deposits by means of a sharp water jet. Incrustations may only be crushed with a wooden
stick before the flushing out. Sharp and/or metal objects may not be used for cleaning as
there is the risk of damaging the tank or the enamel.
The DHW heat exchanger in fresh-water storage tanks is cleaned by flushing it with a
suitable descaling agent (e.g. citric acid).
IMPORTANT: After the cleaning, the connections have to be checked for tightness again
before and after the reheating and they have to be retightened if necessary. We assume
no liability for damages caused by water.
Cleaning 4.5
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