Tabla De Contenido; Safety Considerations And Symbol Descriptions; Key To Symbols - Buderus SU54/5 Instrucciones De Instalación Y De Mantenimiento

Contents
Contents
1 Safety Considerations and Symbol Descriptions . . . . . . . . . . 2
1.1 Key to symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 Safety instructions . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
1.3 Instructions for the owner and operator . . . . . . . . . . . . . 4
2 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 Scope of delivery . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Designated use . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.3 Product Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.4 Data plate . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
2.5 Pressure drop curve of heating coil . . . . . . . . . . . . . . . . . 5
2.6 Technical Data . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6
2.7 Physical and connection dimensions . . . . . . . . . . . . . . . 7
3 Standards, regulations and directives . . . . . . . . . . . . . . . . . . . 8
4 Moving the tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1 Tank installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 8
5.1.1 Requirements for installation location . . . . . . . . . . . . . . 8
5.1.2 Wall clearances . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.1.3 Positioning the tank . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5.2 Water connections . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 10
5.2.1 Connecting the tank on the water side . . . . . . . . . . . . . 10
5.2.2 Installing a T&P safety valve (on-site) . . . . . . . . . . . . . . 11
5.3 Install a tank water temperature sensor (accessory) or
aquastat (accessory). . . . . . . . . . . . . . . . . . . . . . . . . . . 11
6 Start-up procedure . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
6.1 Commissioning the DHW tank . . . . . . . . . . . . . . . . . . . . 13
7 Shutdown . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.1 Shutting down the tank . . . . . . . . . . . . . . . . . . . . . . . . . 13
7.2 Shutting down the heating system when there is a risk
of frost . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
8 Environmental protection/disposal . . . . . . . . . . . . . . . . . . . . . 13
2
9 Maintenance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
9.1 Preparing the DHW tank for cleaning . . . . . . . . . . . . . . 13
9.2 Descaling/cleaning the tank . . . . . . . . . . . . . . . . . . . . . . 14
9.3 Checking the magnesium anode . . . . . . . . . . . . . . . . . . 15
9.3.1 Check the top magnesium anode (SU80/5, SU100/5) 15
9.3.2 Check the top magnesium anode (SU54/5) . . . . . . . . . 15
9.3.3 Check the side magnesium anode
(SU80/5, SU100/5) . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
9.4 Startup after maintenance . . . . . . . . . . . . . . . . . . . . . . . 16
10 Spare Parts . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 17
1 Safety Considerations and Symbol
Descriptions
1.1

Key to symbols

Warnings
Warnings in this document are identified by a warning
triangle printed against a grey background.
Keywords at the start of a warning indicate the type and
seriousness of the ensuing risk if measures to prevent
the risk are not taken.
The following keywords are defined and can be used in this document:
• DANGER indicates a hazardous situation which, if not avoided, will
result in death or serious injury.
• WARNING indicates a hazardous situation which, if not avoided,
could result in death or serious injury.
• CAUTION indicates a hazardous situation which, if not avoided, could
result in minor to moderate injury.
• NOTICE is used to address practices not related to personal injury.
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
SU54.5 | SU80.5 | SU100.5 - 6 720 819 292 (2017/11)