Explanation Of Symbols And Safety Instructions; Key To Symbols; General Safety Instructions - Bosch W 500-5X Series Installation And Maintenance Instructions For The Contractor

24 | Contents
Contents
1 Explanation of symbols and safety instructions . . . . . . . . . . 24
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . 24
2 Product information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.1 Determined use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.3 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
2.4 Product data for energy consumption . . . . . . . . . . . . . 26
2.5 Product Description . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
2.6 Type plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
3 Regulations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 26
4 Transport . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.1 Installation location . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.2 Positioning the DHW cylinder, fitting the thermal
insulation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.3 Hydraulic connection . . . . . . . . . . . . . . . . . . . . . . . . . . 27
5.3.1 Connecting the DHW cylinder on the water side . . . . . 27
5.3.2 Installing a pressure relief valve (provided by the
customer) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
5.4 Fitting the hot water temperature sensor . . . . . . . . . . 28
6 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
6.1 Commissioning the DHW cylinder . . . . . . . . . . . . . . . . 28
6.2 Instructing users . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 28
7 Inspection and servicing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.1 Inspection . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.2 Service work . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.3 Maintenance intervals . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.4 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 29
7.4.1 Checking the pressure relief valve . . . . . . . . . . . . . . . . 29
7.4.2 Descaling/cleaning the DHW cylinder . . . . . . . . . . . . . 29
7.4.3 Checking the magnesium anode . . . . . . . . . . . . . . . . . . 29
8 Environment/disposal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
9 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
6 720 820 733 (2017/09)
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!
W 500-5X... | W 750-5X... | W 1000-5X...