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Bosch Uni Condens 8000 F Manual

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Safety equipment
Uni Condens 8000 F – 6720867056 (2016/10)
40
13.2 Safety equipment in accordance with the EC-type
examination
The following pieces of equipment are components of the EC-type
examination. We therefore recommend that you purchase safety
equipment with the boiler.
The following safety equipment is included in the type examination of the
boiler:
Table 17 Approval designations of additional safety equipment in
accordance with BS EN 12828:2012
13.3 Requirements for alternative items of safety
equipment and other pieces of equipment
13.3.1 Safety valve requirements
• The safety valve must be suitable for discharging domestic hot water
(e.g. via type-tested devices in accordance with TÜV.SV...DG/H, or if
applicable in accordance with BS 6644 or BS5410 part 2.
• The pipework between the boiler and the safety valve must be
unrestricted. The pressure drop in the pipework between the boiler
and the safety valve must be kept to a minimum.
• The safety valve must be able to safely discharge the rated output
during a full load with the anticipated overpressure.
• The pressure drop of the discharge pipe must not exceed the nominal
pressure of the safety valve by more than 10 %.
• The pressure relief valve must be installed accessibly on the heat
source or within close range in the flow pipe, without any barriers
between the heat source and the pressure relief valve.
If using different safety equipment to the type shown in tab. 17,
page 40, the following information must be observed without fail as
otherwise the type examination qualification of the boiler will be
invalidated.
13.3.2 High limit safety cut-out requirements
• Devices which are suitable for responding must be used
(e.g. type-tested devices with the identification TÜV.STB ID... or
devices according to EN 60730-2-9 (device type 2) or EN 14597).
• To adjust the higher limit safety cut-out, observe the instructions in
chapter 7.1, page 25.
• Limiters with a time delay are not to be installed.
• The limiter is generally installed with the sensor set in the designated
socket branch with a sensor pocket. The installation situation for
other appliances is yet to be established. The sensor pocket is
screwed in ex works.
13.3.3 Maximum pressure limiter requirements
• Devices which are suitable for responding under increasing pressure
must be installed (e.g. type-tested devices with the TÜV.SDB...S... ID).
• Observe information in chapter 8.4.1, page 33.
• Limiters with a time delay are not to be installed.
• The limiter sits on the boiler safety assembly, possible connection
with G ½".
13.3.4 Water level limiter as low water indicator requirements
• Devices which are suitable for responding with a lack of water
must be installed (e.g. type-tested devices with the TÜV.HWB...
or TÜV.WB... ID).
• The low water indicator is installed on the boiler;
possible connection G 2".
13.3.5 Burner requirements
• Oil burner certified in accordance with EN 267.
• Gas burner certified in accordance with EN 676.
• Please observe EMC and Low Voltage Directives, and other relevant
European guidelines.
• Observe information in chapter 4.2, page 13.
13.3.6 Boiler controller
▶ Comply with EMC and Low Voltage Directive.
▶ Observe information in chapter 7.1, page 25.
13.4 Connection of the boiler
Information and examples of the boiler connection can be found in the
technical guide.
13.5 Dirt traps
Deposits in the heating system can lead to local overheating, noise and
corrosion. Any resulting boiler damage falls outside the warranty
obligations.
To remove dirt and sludge deposits, flush the heating system thoroughly
before connecting a boiler to an existing system. In addition, we
recommend the installation of dirt traps or a sediment separator.
Dirt traps retain contaminants and thereby prevent faults in control
devices, pipework and boilers. Dirt traps must be installed near the
lowest point of the heating system in an easily accessible position. Clean
the dirt traps every time the heating system is serviced.
Safety component Make Verification of
suitability
Minimum pressure
limiter as low water
indicator
Sauter DSL 143 F001 TÜV ID …6022
Maximum pressure
limiter
Sauter DSH 143 F001 TÜV ID …6023
High limit safety cut-
out
Sauter: TUC 407
F001
TÜV ID: 0000046121
… 40 …


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