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Important information
Important Information
1.
Symbols
1.1
Safety information
(Instructions for the safety and protec-
tion of persons)
Warning information
(Instructions for the protection of the
heating system)
Bold type
= Important information
Guarantee
1.2
Important Note
Proper functioning is only guaranteed if the
operating instructions are observed and the
boiler is regularly maintained according to the
DVGW (German association of gas and water
management / ÖVGW (Austrian association
of gas and water management), respectively
SVGW (Switzerland association of gas and
water management) directives by an approved
specialist. Troubleshooting and damage repair
caused by contaminated operating media (gas,
water, combustion air), unsuitable chemical ad-
ditives to the heating water, incorrect handling,
faulty installation, inadmissible modifications
and damage due to the exercising of force are
not covered by our warranty; the same applies
to corrosion through halogen compounds, e.g.
from spray cans, paints, adhesives, solvents
and cleaning agents.
Hoval gas boilers are only to be installed by ap-
proved specialists. No modifications are to be
made to the boilers.
Other instructions
1.3
Depending on the model, any further instructions are
enclosed with the individually packed components.
- Adjustment
- Accessories
Further information sources
- Hoval catalogue
- Standards, regulations
Safety instructions
1.4
When working on the TopGas
®
the following points
need to be noted:
If you smell flue gas or gas:
no open fire or sparks,
-
do not smoke,
-
deflector off the heating system,
-
close the gas cock,
-
open doors and windows
-
The system may only be placed in operation when
•
all relevant standards and safety regulations have
been complied with. However, for a trial operation,
at least the following conditions must be satisfied:
- Safety valve installed (closed system)
- Control operative (connected to power supply)
- System filled with water
- Expansion tank connected
- Boiler is connected to the regulation type flue gas
pipeline
- Burner is preset
With maintenance and repair
•
- Allow the gas boiler to cool.
- Deflector off the gas boiler and disconnect from
the electrical supply.
- Shut off the gas cock.
- Close the shut-off cocks of the appliance (cold
water, heating flow and return).
- Inappropriate actions on water-carrying parts of
the gas boiler can result in an outflow of hot water
and cause severe burns.
- Replace all removed covers and cladding on
completion of the repair / maintenance work.
- Do not exceed the maximum operating pressure
and temperature of the gas boiler (see identifica-
tion plate).
- Open the appliance cocks (cold water, heating
flow and return).
- Open the gas cock.
