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5 Operation
5
Operation
5.1
General instructions
The underfeed combustion system can be automatically ignited (option) and controlled
with the central control unit. If the automatic ignition system does not work or is not
installed, the system must be ignited manually.
The underfeed combustion system may only be operated in a safe, functional and good
condition.
The system must be shut down and secured immediately in the case of malfunctions.
Risk of explosion (deflagration)!
Risk of flame exposure when opening the combustion chamber door!
In the event of faulty pre-ventilation or incomplete combustion, an explosive atmo-
sphere can occur in the combustion chamber due to the formation of carbon monoxide
(CO). This can ignite when the burner is repeatedly started, when the combustion cham-
ber or maintenance doors are opened and cause deflagration. This can result in death,
serious injury or damage to equipment.
Before lighting the fuel, close all maintenance doors. Lighting may only be performed
manually through the combustion chamber door.
Never open the combustion chamber door after lighting the fuel or during the automatic
lighting procedure.
It is prohibited to open the combustion chamber door during start-up and operation as
well as after shutdown for faster cooling.
The combustion chamber door and the maintenance doors may only be reopened after
pre-ventilation, especially after a power failure.
It is prohibited to bridge safety switches.
During operation very high temperatures prevail in the combustion chamber. Risk of
combustion caused by flame emissions when the combustion chamber door is open.
During the operating phase the combustion chamber door may only be opened for a
short time and with care.
Other hot surfaces can occur near the combustion system. For this reason take care
when carrying out any activities.
High flue gas concentrations (CO and CO
the risk of suffocation.
Operation without a connection to the flue gas pipes is prohibited.
After shutting down the system only open the doors when the interior temperature has
dropped below 100°C.
D-44
DANGER!
i
WARNING!
i
i
WARNING!
) in the air can result in unconsciousness and
2
Underfeed grate UTSP
1.10 en
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