Buderus SU 300/5 [20/116] Explanation of symbols

Buderus SU 300/5 [20/116] Explanation of symbols
Contents
SU300/5 | SU400/5 – 6 720 800 019 (2015/04)
20
Contents
1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . 20
2 Product information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.1 Intended use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.2 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.3 Standard delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.4 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
2.5 Product description . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
4 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1 Siting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 22
5.1.1 Installation site requirements . . . . . . . . . . . . . . . . . . . . 22
5.1.2 Positioning the DHW cylinder . . . . . . . . . . . . . . . . . . . . 22
5.2 Hydraulic connection . . . . . . . . . . . . . . . . . . . . . . . . . . 23
5.2.1 Connecting the DHW cylinder on the water side . . . . . 23
5.2.2 Installing a safety valve (on-site) . . . . . . . . . . . . . . . . . 23
5.3 Installing the DHW temperature sensor . . . . . . . . . . . . 23
5.4 Immersion heater (accessory) . . . . . . . . . . . . . . . . . . . 23
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
6.1 Commissioning the DHW cylinder . . . . . . . . . . . . . . . . 23
6.2 Instructing users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
7 Shutting down . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
8 Environmental protection/disposal . . . . . . . . . . . . . . . . . . . . 24
9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.1 Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.2 Maintenance work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
9.2.1 Checking the safety valve . . . . . . . . . . . . . . . . . . . . . . . 24
9.2.2 Descaling/cleaning the DHW cylinder . . . . . . . . . . . . . 24
9.2.3 Checking the magnesium anode . . . . . . . . . . . . . . . . . 24
1 Explanation of symbols
1.1 Key to symbols
Warnings
Keywords indicate the seriousness of the hazard in terms of the
consequences of not following the safety instructions.
NOTICE indicates that material losses may occur.
CAUTION indicates that minor to medium injury may occur.
WARNING indicates that serious injury may occur.
DANGER indicates possible risk to life.
Important information
Additional symbols
1.2 General safety instructions
General information
These installation and maintenance instructions are intended for
contractors.
Failure to observe the safety instructions can result in serious injuries.
Read and follow the safety instructions.
Observe these installation and maintenance instructions to ensure
trouble-free operation.
Install and commission heat sources and their accessories according
to the relevant installation instructions.
Never use open vented expansion vessels.
Never close the safety valve.
Warnings in this document are framed and identified by
a warning triangle which is printed on a grey
background.
Important information in cases where there is no risk of
personal injury or material losses is identified by the
symbol shown on the left. It is bordered by horizontal
lines above and below the text.
Symbol Meaning
a step in an action sequence
a reference to a related part in the document or to other
related documents
a list entry
a list entry (second level)
Table 1

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