Sirona Dental Systems GmbH 1 Preparations
Installation Requirements C3
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60 27 945 D3382
D3382.021.02.12.02
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Treatment center with isolation from public drinking
water supply
Provided it is equipped with a disinfection system, the treat-
ment center fulfills the requirements of EN 1717 (free outlet
with sections ≥ 20 mm and the German Gas and Water
Association (DVGW). It is intrinsically safe in accordance
with worksheet W540 and therefore also fulfills the W270
requirements as well as the requirements for plastics used
in the transport of drinking water. It can be connected
directly to the public drinking water supply.
The treatment center therefore also bears the symbol for
the German Gas and Water Association (DVGW) along with
the rating plate.
Treatment center without isolation from public
drinking water supply
If compliance with EN 1717 is stipulated nationally, appro-
priate equipment must be installed beyond the treatment
center to protect the public drinking water system.
This applies to device versions without a disinfection sys-
tem.
The treatment center then does not bear the DVGW icon.
Please always adhere to the national requirements with
regard to connecting treatment centers to the public drink-
ing water supply.
1.2 Connection to the public drinking water supply