Riello RDB 3.2 BT 50/70, Installation, Use And Maintenance Instructions

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20148107 24 GB
Start-up, calibration and operation of the burner
8.10 Table of timings
8.10.1 Operations status indication
8.10.2 Faults diagnosis - lockouts
Key to layout
Symbol Description Value (sec.)
t0 Standby: the burner is waiting for a heat request -
t1 Standby time for an input signal: reaction time, control box remains in waiting status for t1

1
t2 Initialisation standby time: check time following the main power start-up 3.5
t2l Checks extraneous light during t2: waiting mode for t2l, then lockout: the motor does not start 25
t2p Oil pre-heating time : waiting mode for t2p, then there is a lockout (if there is a heater) max 600
t3 Pre-purge time: the fan motor is working 15
t3l Checks extraneous light during pre-purging: control box goes into lockout at the end of t3l 25
t3i Spark pre-ignition time 2
ts Safety time 5
t4i Total spark ignition time 10
t4l Reaction time to achieve safety shut-down due to flame failure

1
t5i Spark post-ignition time 3
- Minimum time to reset the control box using push-button reset 0.4
Minimum time to reset the control box using remote reset 0.8
tr Re-cycles: Max. no. 3 repetitions of complete start-up sequence if there is a flame failure during
operation; the final action at the last attempt following flame failure is a lock-out
3
re-cycles
Status Reset push-button colour Seconds Colour code
OFF OFF - - -
Pre-heating time (if there is a heater) GREEN flashing 0.5 2.5
Pre-purge ORANGE blinking 0.5 0.5
Safety time GREEN blinking 0.5 0.5
Normal operating position GREEN - - Steady ON
Fault description Reset push-button colour Seconds Colour code
Extraneous light or parasite flame signal GREEN, RED
blinking alternately
0.5 0.5
Frequency main supply anomaly ORANGE - - Steady ON
Internal voltage fault ORANGE, GREEN
fast blinking alternately
0.2 0.2
Reset push-button / Remote reset anomaly GREEN, RED
fast blinking alternately
0.2 0.2
Lockout for no flame after Ts RED - - Steady ON
Lockout due to extraneous light or parasite flame signal RED
blinking
0.5 0.5
Lockout for maximum number of recycles (flame failure
during operation)
RED
fast blinking
0.2 0.2
Lockout after exceeding max. pre-heating time RED flashing 0.5 2.5
Lockout due to fan motor fault RED, ORANGE
flashing inverted
2.5 0.5
Lockout due to malfunction in the internal control circuit
that drives the oil valve
RED, GREEN
flashing inverted
2.5 0.5
Lockout due to eeprom fault ORANGE, GREEN
blinking alternately
0.5 0.5
ON OFF Colour code
RED
ORANGE
GREEN