3
Dear customer,
we thank you that you have bought VIADRUS HERCULES U 24 universal boiler, thus having shown
your confidence in VIADRUS a.s.
For you to get used to a correct way of handling your new product from the beginning please read at
first this manual for its usage (first of all the chapter no. 3.1 – Boiler operation by user and chapter
no. 3.3 – IMPORTANT NOTICE). Please follow the stated information whereby a longlife and trouble-
free boiler operation will be guaranteed for both your and our satisfaction.
1.
Technical information
VIADRUS HERCULES U 24 is cast-iron low-pressure boiler designed for combustion of solid fuels – light
coal, hard coal and coke. As a complement fuel it is possible to use wood.
Combustion of other materials, like plastics is impermissible.
1.1
Usage
Three-sectional size of VIADRUS HERCULES U 24 boiler is suitable for heat sources reconstruction in
independent tenements, for smaller residential premises and leisure amenities. Bigger sizes of boiler
(4 – 10 sections) meet the demands on heating of family houses, shops, schools, etc.
The boiler is manufactured as a hot-water boiler with both natural and forced heating water circulation and
working overpressure up to 400 kPa (4 bar). Before dispatch the boiler is tested for tightness by applying
800 kPa (8 bar) testing overpressure.
The boiler is designed for heating both closed and open heating systems.
1.2
Boiler advantages
1. Long lifetime of the cast-iron heat exchange and all other parts with regard to the quality of used
materials.
2. Long-term verified construction.
3. Sophisticated manufacturing technology on the automatic forming lines with a constant and verified
quality of the manufacturing process (ISO 9001, ISO 14 001).
4. Combustion efficiency 80 %.
5. Easy operation and maintenance.
6. Output graduation according to the sections number.
Fig. no. 1
Hydraulic loss of boiler drum
Pressure loss independence on p
z
– Q flow rate
Flow rate Q
P
re
s
s
u
re
l
o
s
s
P
z
(
P
a
)
č
l. = sections
Summary of Contents for Hercules U 24
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