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Operation and maintenance manual for the KSP Spark series boilers equipped with feeders. The producer reserves the right to introduce technical modifications.
2.5. Fuel
Wood pellet is a primary fuel used in the KSP Spark: PN-EN ISO
17225-2:2014– class A1. Fuel used for combustion in the boil-
er should have sufficient calorific value > 17 MJ/kg, be dried
(moisture content ~ 10%) and have size recommended by the
producer 6±1 mm. Use of moist or too large fuel can lead to
locking in the feeder and serious failure of the boiler. Ash content
should be lower than 0.5%, the unfavourable chemical compo-
sition of the fuel can result in sintering and formation of large
amounts of dust and soot and increased fuel consumption.
3. BEFORE START-UP
3.1. Boiler setting
The boiler requires non-flammable flooring, in form of a foun-
dation, but it is allowed to place it on non-flammable wall
base with height not lower than 50 mm. The boiler should be
placed in a way ensuring free access to the equipment, allowing
its cleaning and maintenance. Therefore it is recommended to
maintain the minimum distances when the boiler is set:
• distance from the front of the boiler to opposite boiler room
wall should not be smaller than 2 m, Operation and main-
tenance manual,
• the distance of boiler side from the wall of the boiler room
should be lower than 1 m,
• the distance of rear part of the boiler from the wall of the
boiler room should be equal to at least length of the connec-
tion, that is 0.25 m.
The room, where the boiler is located, should have gravity
ventilation in good working order, including:
1. air-supply duct in the external wall with cross-section not
lower than 50% of chimney cross-sectional area on height
maximum 1 m over the flooring or not lower than 200 cm
2
for boilers with power up to 25 kW or 400 cm
2
for boilers
over 25 kW,
2. separate air-exhaust duct on the internal wall with
cross-section not lower than 140 × 140 mm with an outlet
located under the boiler-room roof near the chimney.
NOTE! It is forbidden to use mechanical exhaust ventilation
in the room where the boiler was installed.
