Riello GAS Series - Burner Operation; Final Checks (with Burner Operating)

23
2915858
GB
Start-up, calibration and operation of the burner
6.7 Burner operation
6.7.1 Burner start-up
6.8 Final checks (with burner operating)
Tab. H
Fig. 24
NORMAL
D1799
LOCK-OUT BECAUSE NO IGNITION
Thermostat
Motor
Ignition transformer
Ignition
valve
Ignition flame
Safety + adjust. valve
Operation flame
Lock-out
2 s 40 s 10 s 2 s 40 s 3 s max.
WARNING
If during operation the flame shuts off, lock-out oc-
curs within 1 sec.
 Open the thermostat/pressure switch TL
 Open the thermostat/pressure switch TS

The burner must stop
 Turn the air pressure switch to the maximum end of scale
position

The burner must stop in lockout
 Turn off the burner and cut off the power
 Disconnect the minimum gas pressure switch connector

The burner must not start
 Obscure the flame sensor

the burner must stop in lockout due to flame loss
WARNING
Make sure that the mechanical locking systems
on the various adjustment devices are fully tight-
ened.