Bosch WORCESTER GREENSTAR, Manual

Page: 2 / 20

Table of contents
GREENSTAR WIRING CENTRE – 6720880441 (2018/01)
2
Table of contents 1 Explanation of symbols and safety instructions
1.1 Explanation of symbols
Warnings
In warnings, signal words at the beginning of a warning are used to
indicate the type and seriousness of the ensuing risk if measures for
minimising danger are not taken.
The following signal words are defined and can be used in this document:
DANGER:
DANGER indicates that severe or life-threatening personal injury will
occur.
WARNING:
WARNING indicates that severe to life-threatening personal injury may
occur.
CAUTION:
CAUTION indicates that minor to medium personal injury may occur.
NOTICE:
NOTICE indicates that material damage may occur.
Important information
The info symbol indicates important information where there is no risk to
people or property.
Additional symbols
Table 1
1.2 General safety instructions
H
Notices for the target group
These installation instructions are intended for gas,
plumbing, heating and electrical contractors. All
instructions must be observed. Failure to comply with
instructions may result in material damage and
personal injury, including danger to life.
▶ Read the installation instructions (heat source,
heating controller, etc.) before installation.
▶ Observe the safety instructions and warnings.
▶ Observe national and regional regulations,
technical rules and guidelines.
▶ Document all work carried out.
1 Explanation of symbols and safety instructions . . . . . . . . . . . 2
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . 2
2 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.1 Important notices on use . . . . . . . . . . . . . . . . . . . . . . . . . 3
2.2 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Specifications. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.4 Cleaning and care. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.5 Additional accessories. . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.1 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.2.1 Connecting the BUS connection and temperature
sensor (extra-low voltage side) . . . . . . . . . . . . . . . . . . . . 6
3.2.2 Mains voltage, pump and valve connection (mains
voltage side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
3.3 Connection diagrams with system schematics . . . . . . 10
3.4 Installing the system . . . . . . . . . . . . . . . . . . . . . . . . . . . 14
3.5 Using the system . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
3.6 Step-by-step pairing instructions for Comfort II RF . . . . 15
4 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.1 Status indicator . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
5.2 Replacing the fuse . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
6 Environmenta l protection/disposal . . . . . . . . . . . . . . . . . . . . 17
Symbol Meaning
▶ a step in an action sequence

a reference to a related part in the document
• a list entry
– a list entry (second level)