1.
Important information
1.1
Other instructions
All instructions relevant to your system can be found in
the Hoval system manual! In exceptional cases, the inst
-
ructions can be found in the documentation for the com
-
ponents!
Further sources of information:
•
Hoval catalogue
•
standards, regulations
1.2
Safety instructions
The installation may only be put into operation if all rele
-
vant standards and safety regulations have been com
-
plied with. However, for trial operation, the following are
the minimum conditions requiring fulfilment:
1.
A safety valve has been installed (closed-circuit ins
-
tallation)
2.
Controls in operation (connected to the power supply)
3.
The sensor for the safety temperature limiter is loca
-
ted in the immersion sleeve.
4.
The system is filled with water
5.
An expansion vessel is attached
6.
Flue gas outlets connected to the flue gas conduit at
the chimney
7.
The burner is preset.
The heat generator can only be de-ener-
gised by disconnection from the mains
(fuse).
All electric power supply circuits must be
switched off before accessing the termi-
nals.
1.3
Regulations, official approvals
For installation and operation of the system, the following
regulations are to be observed:
Germany
•
DIN EN 12831 Heating systems in buildings - procedu
-
re for calculating the standard heating load.
•
DIN EN 12828 Heating systems in buildings - design of
hot water systems.
•
DIN EN 13384 Flue gas systems - heat and flow calcu
-
lation methods.
•
DIN 4755 Oil-fired combustion systems.
•
Technical regulations for oil-fired installations (TRÖ)
•
DIN 4756 Gas-fired combustion systems: design, con
-
struction and safety engineering requirements, design
and construction (for operation with gas burners).
•
DIN 18160 House chimneys, requirements, design and
execution.
•
PED (Pressure Equipment Directive).
•
TRD 721 Safety equipment to safeguard against excess
pressures / safety valves / for group II steam boilers.
•
DVGW-TRGI - Technical regulations for gas installati
-
ons - DVGW process sheet G600.
•
VDI 2035 Prevention of damage by corrosion and the
formation of scale in hot water systems.
•
DIN 57 116 / VDI 0116 Electrical equipment in combus
-
tion systems (VDE regulations).
Austria
•
ÖNorm B 8130 Open hot water systems, safety instal
-
lations.
•
ÖNorm B 8131 Closed hot water systems, safety, con
-
struction and testing regulations.
•
ÖNorm B 8133 Water heating systems, safety enginee
-
ring requirements.
•
ÖNorm B 8136 Heating systems, space requirements
and other building requirements.
•
ÖNorm M 7515 Calculations of dimensions of chim
-
neys; terminology, calculation procedure.
•
ÖNorm H 5170 Heating installations, building and tech
-
nical fire-protection regulations
•
ÖVGW TR-gas (Austrian Gas and Water Confederation
- Technical Guidelines)
Switzerland
•
VKF - Association of Cantonal Fire Insurers
•
Fire prevention authority regulations
•
SVGW Switzerland. Gas and water association.
•
SNV 27 10 20 Supply and extract air handling in the
boiler room.
•
SWKI 97-1 Water treatment for heating, steam and air
conditioning plants
•
SWKI 80-2 Safety engineering regulations for heating
systems
•
KRW Corrosion caused by halogen compounds
•
KRW/VSO/FKR Ready-to-connect electrical connec
-
tions on heating boilers and burners
•
Technical tank regulations TTV 1990.
and further regulations and standards prescribed by the
CEN, CEN ELEC, DIN, VDE, DVGW, TRD and by law.
The regulations of the local building authorities, insurers
and chimney inspectors must also be taken into account.
When gas is used as a fuel, the regulations of the lo
-
cal gasworks must be observed and official authorisation
may also be required.
1.4
Warranty
Fault-free operation can only only be guaranteed if the
-
se instructions are followed and if the boiler is regularly
serviced by a licensed specialist (maintenance contract).
The rectification of faults and damage as a result of con
-
taminated operating materials (gas, water, combustion
air), unsuitable chemical additives to the heating water,
improper handling, faulty installation, unauthorised modi
-
fications and damage due to the use of force do not fall
under our guarantee obligations; this also applies to cor
-
rosion due to halogen compounds, e.g. from spray cans,
paints adhesives, halogenised refrigerants, solvents and
cleansing agents
4
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IMPORTANT INFORMATION
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