Boiler Start-Up, Operation And Stopping, Including Emergency Stop - Kostrzewa Compact Bio 16kW Manual De Uso

5. Design guidelines | 6. Boiler start-up, operation and stopping ...
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5.G Selecting the nominal heat output of a boiler
The nominal boiler heat output must correspond to the heat demand. The heat
demand for domestic hot water and central heating systems is determined in
accordance with relevant standards and regulations.
The process heat demand is calculated in accordance with the relevant
requirements of the production processes for an individual plant. The nominal
heat output of the boiler must be selected by an authorised person based on
thorough calculations. Do not oversize the boiler.
5.H System venting
Water heating system venting must conform to the relevant standards and
regulations.
6. Boiler start-up, operation and stopping,
including emergency stop
6.A Boiler inspection
Check the following before filling the boiler with water:
• boiler internal checks - clean and check the internal insulation (fire bricks)
• check movable parts, especially pressurised
• check valves, especially safety valve
• check controls, gauges, regulators (e.g. boiler control system)
• boiler external checks - external insulation, boiler casing etc.
• check connected systems.
Remove any defects and faults in the boiler operation. Perform a water test after
major repairs and replacement of pressurised parts and long downtime periods.
6.B Filling boiler and system
System and boiler feed water must meet the design requirements, see section 5.D
'Water quality requirements' . The difference between the feed water temperature
and the boiler shell temperature (ambient temperature) must be as low as
possible – a threshold difference of 30°C is recommended. If this condition cannot
be met, extend the boiler filling time.
Filling procedure:
• open feed valve
• open return valve
• open filling valve
• check boiler and system condition and pressure device integrity.
Experts in biomass heating
6.C Start-up preparation
Check the following before boiler start-up:
• check if all the safety and fire regulations and guidelines in the quick guide
to the safety and fire regulations for fuel systems and all components
including ducts, valves, controls, pumps etc. regarding gas tightness are
followed
• check system pressure - if the system pressure is too low, increase the
pressure (with a low flow rate to reduce the volume of air introduced to
the system)
• check fuel level in the storage hopper (refill if necessary to allow
installation of the storage hopper cover)
• check fuel level - check if the storage hopper is free from foreign material
(stones, steel parts etc.) which may affect fuel conveying, burner operation
or cause damage to feeder components
• check flue system - check if all fire regulations are followed
• check wiring system
• check auxiliary equipment (e.g. swirl vanes, if installed)
• check boiler room ventilation system
• check boiler condition (closed door side, cleanouts, pipe stoppers,
etc. and gas tightness).
6.D Boiler start-up
The boiler (system) must be started by an authorized installer (valid authorized
service technician, a certificate issued by Kostrzewa is required - source: www.
kostrzewa.com.pl 'Service' tab). Installation and trial run must be recorded in the
Warranty Card. The user must notify the relevant authorities of a new boiler
installation. The relevant authorities will inform the user on any further
procedures required (e.g. scheduled inspections, cleaning).
Compact Bio / Compact Bio Luxury User Manual – EN 07.15