Riello RX35 S/PV H, Installation, Use And Maintenance Instructions

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19 20123803 GB
Operation
6.8.2 Lockout due to ignition failure
6.8.3 Lockout due to a flame or flame simulation detected during pre-purging
Lockout types and triggering times in case of burner mal-
function
6.9 Recycle function if flame goes out during operation
The control box allows recycling, i.e. the complete repetition of
the start/up program.
If after the safety time since the last recycle the flame does not
appear, the burner carries out a lockout.
D7253
ts
t3
t1
t2
tw
TL
M
I
V
SO
LED
P
M
.
D10631
Lockout at 3
th
re-ignition
Red (LED signalling)
ts
t1 tw
TL
M
I
V
SO
LED
P
M
.
Key
I
– Ignition transformer
LED – Reset button LED indicating operating
status
M – Fan motor
SO – Ionisation probe
TL – Limit thermostat
V – Gas valve
Red (LED signalling)
D10633
Lockout
Description of types of faults Lockout
Presence of flame in pre-purging “t1” At the end of the time of “t1”
No ignition at end of safety time “ts” After max. 3 repeats, within 1 second
Flame goes out during operation After max. 1 repetition, if there is no flame at the end of ts
Not correct No. of turns of the fan motor (< 900 rpm) After max. 20 seconds
Fault at the valve circuit At the end of the time of “t1”