Riello 569 T2 Instructions Pour Installation, Utilisation Et Entretien page 38

4.6 BURNER START-UP CYCLE
AL - Error message (alarm)
BV - Fuel valve
FS - Flame signal
GP - Gas pressure switch
LP - Air pressure switch
LR - Load controller
M - Fan motor
R - Control thermostat / pressurestat
SB - Safety limiter
W - Limit thermostat / pressure switch
Z - Ignition transformer
When flame-failure occurs during working, shut down takes place within one second.
4.7 START-UP CYCLE DIAGNOSTICS
During start-up, indication is according to the followin table:
Sequences
Pre-purging
Ignition phase
Operation, flame ok
Operating with weak flame signal.
Electrical supply lower than
Lock-out
Extraneous light
Index: Off

20033828
COLOUR CODE TABLE
~
170V
 Yellow
 
A Start command (switching on by «R»)
B-B´ Interval for establishment of flame
C Operating position of burner reached
C-D Burner operation (generation of heat)
D Controlled shutdown by «R»
Burner will immediately be shut down

Burner control will immediately be ready

for new startup
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Green Red

8
GB
S8271
Colour code
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