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The enamelled domestic water storage tanks are used for indirect heating, storage and the
supply of drinking water to or respectively in the desired temperature in closed systems.
The heat is transferred by internal heat exchangers, which are flowed through by hot
water (in accordance with VDI 2035) and / or solar liquid (water / glycol mixtures in
a ratio of up to 1:1.
Optionally, the storage tanks can be equipped with screw-in immersion heaters of
different makes and performances. They have to fulfill the following requirements:
• suitability for use in drinking water systems
• a length assigned to the respective storage tank diameter
• German TÜV- or respectively VDE-tested version
The installation and the electrical connection of the immersion heaters must only be
carried out by qualified personnel and in accordance with the manufacturer's installation
instructions. The screw-in immersion heaters are subject to the warranty conditions of
the manufacturer.
The cold water connection of the storage tank is attached to the drinking water network,
the hot water connection is attached to the tapping points. If hot water is taken from
a tapping point, cold water flows into the storage tank and is heated to the set
temperature.
The valid standards and regulations have to be complied with. The cold water connection has
to comply with DIN 1988 / DIN EN 1717 and DIN 4753, Part 1.
1
2
1.) Shut-off valve
2.) Testing device for non-return valve
1.) Absperrventil
3.) Non-return valve
2.) Prüfvorrichtung für Rückflussverhinderer
4.) Pressure gauge connector
3.) Rückflussverhinderer
5.) Shut-off valve
4.) Manometeranschlussstutzen
5.) Absperrventil
6.) Safety valve with pressure relief line and funnel siphon
6.) Sicherheitsventil mit Abblasleitung und Trichtersiphon
7.) Diaphragm expansion vessel
7.) Membranausdehnungsgefäß
Enamelled domestic water storage tanks
3
4
5
6
7
5
Intended use
2.5
1.0
Installation /
3
Commissioning
Connection
3.1
from 400 litres
400 - 500 L
up to 300 litres
300 L
GB
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