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Explanation of symbols and safety instructions
1.1
Key to symbols
Warnings
Warnings in this document are identified by a warning
triangle printed against a grey background.
Keywords at the start of a warning indicate the type and
seriousness of the ensuing risk if measures to prevent
the risk 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
Logalux LTN/LTD/LTH/LF 400...3000 – 6 720 818 806 (2015/12)
Explanation of symbols and safety instructions
1.2
Safety instructions
Installation, conversion
▶ Fire risk!
Soldering and welding can lead to a risk of fire, as the thermal
insulation is combustible.
▶ Only permit an authorised contractor to install or convert this DHW
cylinder.
Risk to life from electric current!
▶ Ensure that electrical work is only carried out by an authorised
electrician.
▶ Before beginning electrical work, isolate the heating system from the
mains power supply using the heating system emergency stop switch
and by removing the mains fuse. Secure it against unintentional
reconnection.
▶ Using suitable means, test that the mains voltage is disconnected.
▶ After the complete cylinder installation has been finished, carry out
an earth lead test in accordance with IEC/EN 60335 (also include
metallic screw connection fittings).
Function
▶ In order to ensure trouble-free operation, these installation and
maintenance instructions must be observed.
▶ Risk of scalding!
When the DHW cylinder is in operation, hot water temperatures
> 60 °C can occur.
Maintenance
▶ Customer recommendation: Arrange a maintenance and inspection
contract with an approved contractor. Have the DHW cylinder
inspected in accordance with tab. 9, page 22 and serviced if
required.
▶ Only use genuine spare parts!
Instructing the customer
▶ Inform the user about how to operate the DHW cylinder and draw
attention in particular to points concerning safety.
▶ Hand over the installation and maintenance instructions to the user
for safekeeping near the heating system.
Using the immersion heater
Observe the following points for operation with an immersion heater in
order to maintain corrosion protection and to adhere to the rules on
electrical safety:
▶ Operate a DHW cylinder with immersion heater and external
current anode only with a 30 mA fault current switch!
▶ Use only metal connection fittings in potable water heating systems
with plastic pipes.
▶ Never use plastic threads for immersion heaters.
▶ Only use immersion heaters fitted with insulation.
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