1
Explanation of symbols and safety instructions
1.1
Key to symbols
Warnings
Warnings in the text are indicated by a warning triangle.
In addition, signal words are used to indicate the type
and seriousness of the ensuing risk if measures for
minimising the danger are not taken.
The following signal words are defined and can be used in this
document:
• NOTICE indicates that material damage may occur.
• CAUTION indicates that minor to medium personal injury may occur.
• WARNING indicates that severe to life-threatening personal injury
may occur.
• DANGER indicates that severe to life-threatening personal injury will
occur.
Important information
This symbol indicates important information where
there is no risk to people or property.
Additional symbols
Symbol
Explanation
▶
Step in an action sequence
Cross-reference to another part of the document
•
List entry
–
List entry (second level)
Table 1
1.2
General safety instructions
General
These installation and maintenance instructions are intended for
contractors.
Failure to observe the safety instructions can result in personal injury.
▶ Read and follow the safety instructions.
▶ At least two persons are required for transportation and installation!
To ensure trouble-free operation:
▶ Observe these installation and maintenance instructions.
▶ Install and commission heat sources and their accessories in
accordance with the installation instructions provided.
▶ Never use open expansion vessels.
▶ Never close the pressure relief valve!
SF500.5... | SF750.5... | SF1000.5... – 6 720 821 497 (2017/05)
Explanation of symbols and safety instructions
2
Product information
2.1
Determined use
Enamelled DHW cylinders are designed for heating and storing potable
water. Country-specific regulations, guidelines and standards for
potable water must be observed.
Enamelled DHW cylinders may only be used in sealed unvented systems.
Any other use is considered incorrect. Any damage resulting from non-
intended use is excluded from liability.
Requirements
for potable water
Unit
Water hardness
ppm CaCO
grain/US gallon
°dH
°fH
pH value
–
Conductivity
μS/cm
Table 2 Requirements for potable water
2.2
Scope of delivery
500 litre cylinder
• Storage cylinder made of PU rigid foam
• Thermal insulation:
– ErP "B": additional thermal insulation 40 mm
– ErP "C": foil jacket on flexible foam underlayer
• Casing lid
• Upper insulation
• Hand-hole cover
• Technical documents
750/1000 litre cylinder
• Storage tank
• PU rigid foam halves
• Thermal insulation:
– ErP "B": polystyrene jacket, packaged separately
– ErP "C": foil jacket on flexible foam underlayer
• Casing lid
• Upper insulation
• Floor insulation
• Round hand-hole cover with insulation
• Bag with accessories:
– Rectangular hand-hole cover
– Fleece strip
– Fleece circular blank
– Compass and plug
• Technical documents
1
Value
> 36
3
> 2.1
> 2
> 3.6
6.5...9.5
130...1500
35