Water Connection; Regulations For Water Connection - Rational iCombi Pro Original Installation Manual

8 | Water connection

8 Water connection
8.1

Regulations for water connection

Malfunction due to minimum conductivity not being met
Make sure that the minimum conductivity of the water is 50 μS/cm [32
ppm TDS].
The unit complies with all current regulations.
Adhere to the country standards and regulations for a connection to the drink-
ing water supply, such as for hygiene requirements.
Water hose
Supply and use a separate water tap for each unit.
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Use a water hose at least meeting the requirements of IEC 61770, EN
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61770, EN 13618 or of equivalent quality.
Do not use any used water hoses.
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Water hoses complying with EN 61770 are available from the manufac-
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turer under the article number 2067.0709. The materials used in this con-
nection hose meet KTW, WRAS and FDA requirements. For the USA and
Canada an adapter is required on the water hose.
Drinking water protection
Drinking water protection in accordance with EN 1717 requirements is re-
quired for connection to the drinking water network.
To connect unit size 6-2/3 GN of series iCombi Classic to the drinking
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water supply, a drinking water protection device pursuant to EN 1717
must be installed in the feed line to the water tap, such as a CA system
separator pursuant to EN 14367. The CA system separator is included in
the delivery in the Netherlands, in Switzerland and Japan. For other coun-
tries in Europe, the CA system separator is available under article number
50.01.820.
All other units meet the requirements for drinking water protection pursu-
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ant to EN 1717 in as-delivered condition.
In countries with special requirements for drinking water protection, a
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backflow preventer must be installed (article number 60.73.482). This set
is included in the scope of delivery in Germany, the Netherlands and
Switzerland.
In Japan, the backflow preventer (article number 50.01.685) is included.
If a second water connection is used, this must also be equipped with a
backflow preventer.
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NOTICE
80.06.070_iCombiPro-iCombiClassic_IM_en-GB