KEY RK-2006LPG, Operation Manual, Page: 8 / 40

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EXTINCTION (SHUT DOWN).
When in this mode the controller turns off the fuel auger and engages the fan to
ensure complete fuel combustion and the burner cool down. Fan power when in
EXTINCTION (SHUT DOWN) mode is determined by the technician. When
EXTINCTION (SHUT DOWN) is finished the controller is switched into CLEANING,
STAND-BY or STOP mode, provided EXTINCTION (SHUT DOWN) followed as
a result of STOP button pressing.
CLEANING.
Automatic burner cleaning occurs after time set limit by programmer. In this mode
controller starts cleaning system for preset time. After this procedure controller resets
back to STANDBY mode.
AUGER (MANUAL) REFILLING.
User may activate auger manual refilling function. When device is in STOP mode,
press START and hold button for 5 seconds to start refilling. Refilling follows
according to the time programmed by the technician or until it is manually turned off
with STOP button.
AUGER EXTINCTION (EMERGENCY SHUT DOWN).
If the auger is equipped with a temperature sensor, a temperature increase above the
range programmed by the technician, it will result in activation of auger ignition alarm.
The controller turns off the fan and auger. If the burner is equipped with the stoker,
the device is switched additionally into AUGER EXTINCTION(EMERGENCY SHUT
DOWN) mode. During shut down the stoker is engaged for the time needed to
remove the ignited fuel from the stoker. In addition if the burner has cleaning
mechanism, the controller will activate the cleaning cycle and remove fuel from the
burner.