17
CLAGE
100
300
285
120
452
426
285
70
⅜"
½
"
70
5. Dimensions
The following regulations must be observed:
• VDE 0100
• EN 806
• The regulations of the local power and water utilities
• The specifications on the rating plate
• Technical specifications
General information:
• The appliance may only be installed in a frost-free room.
• The water supply must be connected
before
the electrical supply.
• Galvanized steel piping must not be installed downstream of the storage heater
with copper container, otherwise corrosion due to pitting may result.
The water storage heaters S 10 / S 15 are designed for pressure-type and pressure-less
installation.
6. Installation
Requirements for water quality
Water Quality
Acid level
pH
7 - 8,5
Iron level (Fe)
mg/l
< 0,2
Chlorine content (Cl) mg/l
< 150
Conductivity mS/m
< 125
Water hardness
3 - 12 °dH / 5 - 22 °fH / 0,53 - 2,14 mmol/l CaCO
3
Chemical additives
not allowed
In areas with higher levels of water hardness than listed in table, an appropriate filter
must be installed. The water supplier can tell you the hardness level of the water they
deliver.
