Riello RLS 28 - Operation Sequence of the Burner; Burner Start-Up; Ignition Failure; Burner Flame Goes out During Operation

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20148646
GB
Start-up, calibration and operation of the burner
6.10 Operation sequence of the burner
6.10.1 Burner start-up
6.10.2 Ignition failure
If the burner does not fire, it goes into lockout within 3 seconds
after the valve opens and approximately 57 seconds after the TL
closes and begins the post-purge phase which lasts 18 s.
6.10.3 Burner flame goes out during operation
If the flame should accidentally go out during operation, the burn-
er will lock out within 1s.
6.10.4 LED PANEL
It gives 6 information through the lighting up of the LEDs. See
Fig. 43.
Key:
0 s TL closes, fan motor starts, (in case of oil operation,
pump motor starts)
6 s servomotor starts, maximum opening.
11 s air damper is at its maximum opening
42 s servomotor closing phase starts at the minimum output.
45 s air damper is in the ignition point position (minimum out-
put)
48 s ignition transformer strikes a spark
54 s 1st stage fuel valve opens
57 s ignition discharge ends
66 s with TR in 2nd stage, servomotor reaches its maximum
opening and the second fuel valve opens.
D478
= Voltage present
= Fan motor lockout (red)
= Burner lockout (red)
= 2nd stage operation
= 1st stage operation
= Burner operation
M
M
VS
V1
MIN
V2
MAX
Fig. 41
Burner start-up
20141124
Fig. 42
IGNITION FAILURE
M
M
VS
V1
MIN
V2
MAX
20166799
D489
Fig. 43