STIEBEL ELTRON WWK 300 A - Installation Instructions for Contractors; 2.1 Regulations and Standards

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2.1 Regulations and standards
z The installation (water and electrical
work) and commissioning, as well as
the maintenance of this equipment,
must only be carried out by an autho-
rised qualified contractor in accordan-
ce with these instructions.
z Perfect function and safe operation
can only be assured when using origi-
nal accessories and spare parts inten-
ded for this equipment.
z DIN VDE 0100 / DIN VDE 0701
z Regulations of your local electricity
supply utility.
z DIN 1988 / DIN 4109
z Regulations of your local water supply
utility.
2. Installation instructions for contractors
Also observe the following:
z The equipment type plate
z The specification
z Water installation
— Observe AS/NZS 3500.4 [local
regulations].
— Material of the cold water line:
Steel, copper or plastic pipe
systems.
— Material of the hot water line:
Copper or plastic pipe systems.
DHW
Cold Water
48°
30°
Fig. 1
1 Cold water supply G1
(G¾ female with adapter)
2 Hot water connection G1
(G¾ female with adapter)
3 Condensate drain G¾hose
connection (20mm male)
4 Connection for P&T relief valve G¾ (on-site)
5 Electrical cable (without plug)
6 Drain valve (on-site)
7 Expansion control valve (if required*, on-site)
8 Straight-through shut-off valve (on-site)
9 Pressure gauge test connector ** (on-site)
10 Non-return valve (on-site)
11 Test valve connection **
12 Pressure reducing valve (on-site)
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Condensate spillover
26�03�13�0015
* Not all local regulations mandate the use of an
expansion control valve (ECV).
** Optional, depending on installation requiments
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3
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