Kostrzewa Twin Bio Manual De Uso página 68

68 6. Boiler start-up, operation and stop including emergency stop
6.D. Boiler start-up
The boiler (system) has to be started by an authorized installer
(valid authorized service technician certifi cate 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).
Start-up procedure:
• check system pressure;
• open fl ue gas valve or throttle (if installed);
• check fuel level in the storage hopper (refi ll as required);
• check fuel condition and quality (fuel must not contain
foreign material to avoid damage to the boiler and its
accessories);
• make sure the grate type in the burner is compatible with
the fuel used;
• connect the power supply, set boiler control system in
service mode;
• feed fuel from the storage hopper until it fl ows through the
fl exible duct;
• press the main switch to activate the boiler control system
– Platinum Bio 2 control system operates in automatic
mode;
• when starting from cold (also restarting after maintenance
and cleaning) close the heat transfer to the heating
equipment to reach the dew point faster (see boiler control
system User Manual);
• at operating temperature connect the heating equipment in
sequence;
• visually check the system after a few days of operation
(door and access door, fl ue gas tightness);
• check boiler room ventilation;
• check boiler room lighting (suitable for boiler operation
and repair);
• check access to places which require periodical
maintenance (cleanout, control, storage hopper, burner);
• check leak tightness of hydraulic connection between
the boiler and the central heating system;
• check gas tightness between the boiler and the fl ue
• check if the electrical cables were not damaged in transit.
Experts in heating
Installation restrictions
Do not start the boiler if one of the following applies:
• no commissioning of the boiler by relevant authorities was
scheduled (if required);
• incorrect boiler or fuel feed system operation;
• fl ue ducts not vented;
• no water in the boiler;
• incorrect safety valve operation;
• fl ue ducts blocked;
• boiler insulation damaged;
• safety devices and gauges performance issues;
• auxiliary equipment performance issues;
• fi re hazard near the boiler.
6.E. Long boiler downtime
and emergency stop
In the case of long downtime:
• press the main switch, disconnect the boiler pump,
the circulating pump and the burner;
• disconnect the power supply;
CAUTION!
Freeze protection function is not working with
disconnected power supply.
• close all valves;
• drain the boiler and the heating system via a drain valve,
open all cut-off, control and vent valves to avoid freezing;
• bottom door must be open to avoid condensation.
The emergency stop procedure is performed when the boiler
condition or any auxiliary device may cause boiler damage
or hazard to the personnel.
CAUTION!
Rapid boiler cooling may increase the extent
of damage.
User Manual Twin Bio - PLV 09.13