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These boilers may also work with domestic hot water systems through a heat
exchanger (domestic hot water) of any producer that meets current standards.
The boiler cannot be used as a continuous flow water heater. The SAS BIO SOLID
boiler is also not intended to be used as an air heater.
A boiler for heating a building should be selected on a basis of an energy heat
balance of that building, developed in accordance with specific current national
or EU regulations (PN-EN 12831:2006 Heating systems and water based cooling
systems in buildings - Method for calculation of the design heat load).
NOTE 1:
The boiler should be installed and operated only in conditions me-
eting those specified in the operation and maintenance manual (ma-
nufacturer documentation delivered together with the device)!
NOTE 2:
Any changes in the design aiming at adapting the boiler to perform func-
tions not intended by its manufacturer are strictly forbidden and result in
a loss of warranty rights and documents associated with the product!
3. BOILER DESIGN AND OPERATION
SAS BIO SOLID bolier is a low-temperature CH boiler with automatic fuel sup-
ply to the furnace. SAS BIO SOLID with power of 14÷48 kW is designed and
programmed for combustion of the solid fuel in automatic mode. The fuel is bio-
mass in the form of wood granules wood (pellets) with parameters defined by EN
14961-2 or PN-EN ISO 17225-2:2014-07p
Basic boiler components are specified in a figure 6.
The SAS MULTI FLAME burner elements are shown in fig. 7 and 8.
NOTICE: The SAS MULTI FLAME burner is affected by Protective Law no
67681 – provided by the Polish Patent Office for the utility model, entitled
"Water boiler burner suitable for combustion of biomass".
The boiler consists of a water body made of welded steel plates. The boiler
water shell forms a double-walled cuboid divided with water chambers. Internal
partitions of the heat exchanger is made of boiler-grade steel P265GH with a
thickness of 6 mm, external water shell is made of design steel with grade S235JR
with a thickness of 4 mm. The boiler exchanger contains a permanently fixed
system of stud bolts bracing its covers (strengthening components in form of
"seams"). Covers are tested for their strength and tightness under a test pressure
of 3 bar during the production of each boiler. Water compartments of the boiler
and its parts are designed in such way that during its normal operation according
to this operating manual and following correct installation all air will be removed
and no local boiling of water will occur.
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