Burner Start-Up Cycle; Start-Up Cycle Diagnostics - Riello FS10 Installation, Use And Maintenance Instructions

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
20039281
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
Green Red
GB
8
S8271
Colour code