Table of contents
3
Commercial Boiler Series – 6720814333 (2019/05)
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 Instructions for the target group
These operating instructions are intended for the
heating system user.
All instructions must be observed. Failure to comply
with instructions may result in material damage and
personal injury, including possible loss of life.
▶ Read and retain the operating instructions (heat
source, heating controller, etc.) prior to operation.
▶ Observe the safety instructions and warnings.
H Determined use
The product may only be used for the heating of boiler
water and for DHW heating.
1 Explanation of symbols and safety instructions . . . . . . . . . . . 3
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . .3
2 Product Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.1 Declaration of conformity . . . . . . . . . . . . . . . . . . . . . . . . 5
2.2 Benchmark standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.3 Appliance types . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3 Commissioning . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5
3.1 Overview of components . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.2 Opening the gas isolation valve . . . . . . . . . . . . . . . . . . . . 6
3.3 Opening service valves. . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.4 Switch on the boiler . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.5 Check water pressure. . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.6 Setting the maximum boiler temperature . . . . . . . . . . . . 6
3.7 Heating controller settings. . . . . . . . . . . . . . . . . . . . . . . .6
4 Operating the appliance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
4.1 Information menu . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.2 Setup menu. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.3 Anti-Freeze Protection . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
4.4 Key lock . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .8
5 Shutdown. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Standard shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.2 Shutting down when there is a risk of frost . . . . . . . . . . . 8
6 Inspection and maintenance. . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
6.1 Refilling the heating system . . . . . . . . . . . . . . . . . . . . . . . 8
6.2 Cleaning the casing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7 Display rendition . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.1 Display codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
7.2 A fault has occurred but no fault code is displayed . . . . . 9
8 Environmental protection/disposal. . . . . . . . . . . . . . . . . . . . .10
9 Energy efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .10
9.1 Energy efficiency . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .11
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)