Condens 5000 W – 6720644146 (2019/03)
2
Contents
Contents
1 Explanation of symbols and safety instructions . . . . . . . . . . . . 2
1.1 Explanation of symbols . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
1.2 General safety instructions . . . . . . . . . . . . . . . . . . . . . . . . 2
2 Usage . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
2.2 Wall mounted gas fired condensing boiler . . . . . . . . . . . . 4
2.3 Combination with flue duct kits . . . . . . . . . . . . . . . . . . . . 4
3 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4
3.2 Flue terminal positions . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
3.3 Routing the flue vertically . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.3.1 Extension with flue accessories . . . . . . . . . . . . . . . . . . . . 6
3.3.2 Routing the flue gas over the roof . . . . . . . . . . . . . . . . . . . 6
3.3.3 Installation location and balanced flue . . . . . . . . . . . . . . . 6
3.3.4 Layout of cleaning apertures: . . . . . . . . . . . . . . . . . . . . . . 6
3.4 Routing horizontal flues . . . . . . . . . . . . . . . . . . . . . . . . . . 6
3.4.1 Extension with flue accessories . . . . . . . . . . . . . . . . . . . . 6
3.4.2 Routing a balanced flue type C
13
over the external wall . 6
3.4.3 Routing a balanced flue type C
33
via the roof . . . . . . . . . 6
3.4.4 Layout of cleaning apertures . . . . . . . . . . . . . . . . . . . . . . 6
4 Fitted dimensions (in mm) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
4.1 Balanced flue as concentric pipe . . . . . . . . . . . . . . . . . . . 7
4.2 Vertical flue connection . . . . . . . . . . . . . . . . . . . . . . . . . . 9
5 Flue lengths . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.1 General information . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2 Determining the flue length . . . . . . . . . . . . . . . . . . . . . 11
5.2.1 Installation analysis . . . . . . . . . . . . . . . . . . . . . . . . . . . . 11
5.2.2 Determining the parameters . . . . . . . . . . . . . . . . . . . . . 11
5.2.3 Calculation of the equivalent pipe length Lequiv . . . . . 11
5.3 Flue gas routing options . . . . . . . . . . . . . . . . . . . . . . . . 12
5.4 Example for calculating the flue lengths (Fig. 9) . . . . . 14
5.5 Template for calculating the flue length . . . . . . . . . . . . 15
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 indicates that severe or life-threatening personal injury will
occur.
• WARNING indicates that severe to life-threatening personal injury
may occur.
• CAUTION indicates that minor to medium personal injury may occur.
• NOTICE indicates that material damage may occur.
Important information
Additional symbols
1.2 General safety instructions
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.
▶ Follow national and regional regulations, technical
regulations and guidelines.
▶ Record all work carried out.
If you are in any doubt contact the Robert Bosch
technical hotline on:
1300 30 70 37 AU or 0800 54 33 52 NZ
Determined use
The product may only be used in a domestic situation
for the heating of central heating water and for DHW
heating in closed-loop DHW and heating systems.
Any other use is considered inappropriate. Any
damage that may result from misuse is excluded from
liability.
This appliance is not suitable to be used as a pool
heater.
If you smell gas
A gas leak could potentially cause an explosion. If you
smell gas, observe the following rules.
▶ Prevent flames or sparks:
– Do not smoke, do not use a lighter or strike
matches.
– Do not operate any electrical switches or unplug
any equipment.
– Do not use the telephone or ring doorbells.
This symbol indicates important information where
there is no risk to people or property.
Symbol Explanation
▶ Step in an action sequence
Cross-reference to another part of the document
• List entry
– List entry (second level)
Table 1
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