elco Firebird FB 4 R LN User Manual

GENERAL
14/56
EN
2.6.2 Controlled shutdown
– Boiler temperature control interrupts heat request.
– The fuel-oil solenoid valve closes and the ame is extinguished.
– The post-ventilation starts: time factory-set at 15 s. After the burner motor switches off.
– Burner enters standby.
2.6.3 Safety function
A safety shutdown occurs:
– if a ame signal is present during preventilation (ame monitoring)
– if no ame is produced within 5 seconds (safety time) of start-up (fuel authorisation)
– if no ame is produced after an unsuccessful restart attempt in the event of 5 ame failures
during operation.
A safety shutdown is indicated by the malfunction lamp lighting up and it is then only possible to
reset the burner by pressing the reset button after the cause of the malfunction has been rectied.
For further information, see the automatic combustion control unit description.
Boiler
temperature
control
General
power
supply
Motor
Ignition
Transformer
Valve
Flame check
Flame
Pre heater
--
trto tp ts tpp
tpi
LINE
C
15s
5s
7s
<400s 15s
to Stand-by: the burner is
waiting for heat demand
tr Pre heater temps
tp Pre-Purge time
ts Ignition safety time
tpi Post-Ignition time
tpp Post-purge time
Fig. 6

elco Firebird FB 4 R LN Specifications

General

Brand	elco
Model	Firebird FB 4 R LN
Category	Burner
Language	English