Lockout Due To Firing Failure; Lockout Due To Detection Of Flame Or Flame Simulation During Pre-Purging - Riello RX 90 S/PV Montage- Und Bedienungsanleitung

4.5.2

LOCKOUT DUE TO FIRING FAILURE

4.5.3 LOCKOUT DUE TO DETECTION OF FLAME
OR FLAME SIMULATION DURING PRE-
PURGING
OPERATING TIMES
t1 t1I t2
max. max. -
1 30 3
Time expressed in seconds
LOCKOUT TYPES AND TRIGGERING TIMES IN CASE OF BURNER MALFUNCTION
DESCRIPTION OF FAULT TYPES
Flame detected when burner is started or switches off
Flame detected during pre-purging
Flame detected during post-purging
Ignition failure at the end of the safety time ≈ts∆
Flame loss during operation
Incorrect fan motor speed (rpm)
3342
Green
Lockout
Green
Red
t2l t3 t3a
- -
max.
30 40 8
th
Lockout at 4
restart
Red
D7253
KEY
I
LED √ Reset button LED indicating operating
M
SO √ Ionization probe
TL √ Limit thermostat
V
D7254
t3b t3l
-
max.
5 1
LOCKOUT
After max. 30 seconds (after TL)
Within 1 second
After max. 30 seconds
After max. 3 repeated attempts, within 1 second
After max. 3 repeated attempts, within 1 second
Within ≈t3a∆ and/or ≈t3b∆
10 GB
Red (LED lights)
Green (LED lights)
Purging motor at max. rpm
Purging motor at START rpm (t3b)
- Ignition transformer
status
√ Fan motor
√ Gas valve
Red (LED lights)
Green (LED lights)
Purging motor at max. rpm
ts t4i t4l
- -
max.
3 3 1
t6 t6l
max. max.
360 30