14
MU 100 – 6721804146 (2019/10)
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 Explanation of symbols and safety instructions . . . . 14
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . 14
1.2 General safety instructions . . . . . . . . . . . . . . . . . . 15
2 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . 16
2.1 Important notices on use. . . . . . . . . . . . . . . . . . . . 16
2.2 Controls of the heat source . . . . . . . . . . . . . . . . . . 17
2.2.1 Output control . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.2.2 Flow temperature control . . . . . . . . . . . . . . . . . . . 17
2.3 Supplied parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
2.4 Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
2.5 Additional accessories. . . . . . . . . . . . . . . . . . . . . . 18
2.6 Cleaning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.1 Preparation for the installation in the heat
source . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.2 Installation locations . . . . . . . . . . . . . . . . . . . . . . . 19
3.3 Installation of a temperature sensor on the
low loss header or downstream of the heat
exchanger . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
3.4 Electrical connection . . . . . . . . . . . . . . . . . . . . . . . 20
3.4.1 Establishing the BUS connection and
temperature sensor (extra-low voltage side) . . . . 20
3.4.2 Connecting the power supply, pump,
solenoid valve or fault display (mains voltage
side) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
3.4.3 Overview of the terminal assignment. . . . . . . . . . 21
4 Commissioning. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
4.1 Setting the coding switch . . . . . . . . . . . . . . . . . . . 23
4.2 Commissioning of the system and module. . . . . . 23
4.3 Settings menu MU 100 . . . . . . . . . . . . . . . . . . . . . 24
4.4 Fault output . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
5 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 25
6 Environmental protection and disposal . . . . . . . . . . . 26
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)
