Dražice NADO 500/25v6 Betriebs- und Installationshandbuch - Seite 6
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Auch für Dražice NADO 500/25v6: Handbuch für Betrieb und Installation (5 seiten)
Seite drucken2 IMPORTANT NOTICES
Connection of internal tank for hot water must comply with CSN 060830, i.e. on cold water inlet is necessary
to install a safety valve.
We recommend to start up the heating circle before commissioning and to clean possible dirts
caught in the filter and after this the system would be fully functional.
Recommended operating pressure of hot water circle is 0.4 MPa. We recommend installing
return valve and an expansion vessel (min. 4 % of hot water in pipeline) on hot water outlet to
eliminate back pressure impacts.
The reservoir is possible to use only in compliance with conditions stated on performance plate
and with instructions for wiring. It is also necessary to observe terms for connection stipulated
by some local electrical and water companies as same as manual for assembling and operation
besides statutory accepted national regulations and standards.
Shut down the reservoir cold water intake if you are not using the reservoir for longer than 24
hours or if the object with the heater is without presence of any person.
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