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11. IMPORTANT WARNINGS
1. The boiler only can be used for the purpose that it is destined for.
2. The boiler can only be operated by adult persons and it is forbidden to leave children at the boiler
without being attended by adults.
3. The boiler is not destined for the use by persons (incl. children) whose physical, sensual or
mental disability or lack of experience and knowledge prevent them from a safe use of the
appliance unless they are supervised or if they were not instructed on the use of appliance by a
person responsible for their safety.
4. Children should be supervised in order to ensure that they do not play with the appliance.
5. In case of a long-term still-stand of boilers they must be disconnected from electricity network-
from the socket.
6. Boiler rooms must be kept clean and dustless. From the boiler room area there must be removed
all sources of pollution and during the works (insulating works, boiler room cleaning) which
cause the dustiness the boiler must be put out of operation. Even the partial impurities deposits
on the burner will degrade the combustion process and threaten an economic and reliable boiler
operation. We don’t recommend to keep domestic animals (dogs, cats etc.) in boiler rooms
7. In case that there occurs the danger of flammable vapours or gases penetration into the boiler
room or during the works at which there is a temporary fire or explosion danger (gluing the
flooring, paints using the flammable materials) the boiler must be long enough before the works
put out of operation.
8. Don’t put any objects made of flammable materials on boiler and within a distance smaller than
the safe distance from it.
9. It is necessary to install a safety valve for maximum overpressure of 400 kPa (4 bar) on the
system and its dimension must correspond to the rated boiler output. The safety valve must be
located directly behind the boiler. Any stop valve must not be located between the safety valve
and boiler. If you have any questions, please contact our contractual assembly firm and service
organizations.
10. The user is obliged to charge with boiler commissioning, its regular maintenance and defects
elimination only a professional contractual service accredited by VIADRUS a.s., the boilers
manufacturer, otherwise there does not apply the guarantee for boilers proper function.
“VIADRUS HERCULES U 22 P and VIADRUS HERCULES U 22 N quality and completeness
certificate“ filled in by the service contractual organization serves as the “Guarantee certificate“.
11. Once a year it is necessary to do a regular boiler maintenance according to chapter no. 10.
12. During assembly, installation and operation of the appliance it is necessary to comply with
standards that apply in the relevant country of destination.
If these conditions are not observed the guarantee repairs cannot be required.
