Viadrus Hercules U 24 Informations techniques télécharger pdf (Page 8)

1 upper part of shell

2 left side part of shell

3 stoking door

4 right front part of shell

5 left front part of shell

6 draught regulator

7 ash door

8 tertiary air rosette

9 tertiary air closure

10 tilting grate

11 cleaning cover

12 right side part of shell

13 back part of shell

14 input water pipe

15 safety overpressure

equipment

16 boiler drum

17 smoke adapter

18 smoke control rod

19 output water pipe

20 thermomanometer

21 combustion space

partition

Fig. no. 3 Basic boiler parts

2. Assembly manual

2.1 Boiler construction

The main boiler part is the cast-iron sectional boiler drum made of the grey cast-iron according to ČSN EN 1561,

quality 150.

The pressure parts meet the strenght demands according to ČSN EN 303- 5 Boilers for central heating – part 5: Solid

fuel boilers for central heating with either manual or automatic supply and maximum nominal heat output 300 kW –

terminology, requirements, testing and marking.

The boiler drum is assembled of sections by means of pressed boiler nipples with 56 mm diameter and secured by

anchor bolts. The boiler sections create the feed space, combustion and ash space, water space and convectional space.

The heating water input and output is situated at the rear boiler part.

There is placed the smoke adapter and heating water connection at the upper part of rear boiler section and the return

water connection at the bottom part. The water connections is possible to connect by means of thread pipes. The stoking

door (possibility of left-right opening the stoking doors see Fig. no. 4), ash door and cleaning cover are connected to the

front boiler section. Under the ash pan door there is installed the tilting grate.

There are placed the combustion space barriers behind the clearing cover. Their quantity differs for each size of

boiler (see Tab. no. 4).

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Viadrus Hercules U 24 Informations techniques Page 8