Riello RDB2.2 FIREBIRD C20 70K DGT, Installation, Use And Maintenance Instructions

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Start-up, calibration and operation of the burner
8.8 Table of times
8.8.1 Operations status indication
8.8.2 Fault diagnostics - Lockouts
Key
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 check time: interval time for checking the activation of the main power supply 3.5
t2l Checks extraneous light during t2: waiting mode for t2l, then lockout: the motor does not start 25
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 shutdown due to flame failure

1
t5i Spark post-ignition time 3
- Minimum time required to reset the control box 0.4
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
tpp Post-purge time: additional purge time at the end of a heat request. Can be interrupted by a new
heat request
10
Status Reset push-button colour Seconds Colour code
OFF OFF - - -
Pre-purge ORANGE blinking 0.5 0.5
Safety time GREEN blinking 0.5 0.5
Running GREEN - - Steady ON
Fault description Reset push-button colour Seconds Colour code
Extraneous light (false flame signal) GREEN, RED
blinking alternately
0.5 0.5
Frequency supply error ORANGE - - Steady ON
Voltage monitor error ORANGE, GREEN
fast blinking alternately
0.2 0.2
Reset button fault GREEN, RED
fast blinking alternately
0.2 0.2
Lockout due to no flame after ts RED - - Steady ON
Lockout for false flame or parasite flame signal RED blinking 0.5 0.5
Lockout for maximum number of recycles (flame absence
during operation) RED fast blinking 0.2 0.2
Lockout for fan motor error RED, ORANGE
blinking inverted
2.5 0.5
Lockout due to malfunction in the internal control circuit
that drives the oil valve RED, GREEN
blinking inverted
2.5 0.5
Lockout for eeprom error ORANGE, GREEN
blinking alternately
0.5 0.5
ON OFF Colour code
RED
ORANGE
GREEN