20
3.
Manual for operation
3.1
Boiler operation by user
SOFT COAL
The most suitable fuel is sort coal with 20 – 40 mm granularity.
Burning time at nominal output is 4 hours.
HARD COAL
The most suitable fuel is hard coal of 20 – 40 mm granularity.
Burning time at nominal output is 4 hours.
COKE
The most suitable fuel is coke of 20 – 40 mm granularity
Burning time at the nominal output is 4 hours.
ADDITIONAL FUEL – WOOD
Using this fuel it is not reached the nominal output.
I.
II.
III.
III.
O
Z
Fig. no. 12
Firing
1.
Check the water volume in the heating system on thermomanometer.
2.
Open the closing fittings between the boiler and the heating system.
3.
Clean the grate and ash-pan.
4.
Check the closed position of the smoke adapter partition (between bearing surface there might pieces of
coal, ash, soot).
5.
Insert the kindling and wood trough the ash door on the cleaned grate all over its depth.
6.
Light the kindling through the ash door.
7.
Close the ash door and open fully the choke. For 8 – 10 sectional version open the rear choke too.
8.
Before stoking it is necessary to open the partition in smoke adaptor by means of the draw bar of smoke
control. Thus the flue gases are discharged through the shorting opening into the chimney.
9.
Put the basic fuel bed on the burning wood.
I.
primary air
II.
secondary air
III.
tertiary air
O
open
Z
closed
Summary of Contents for Hercules U 24
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