19
20123476
GB
Electrical wiring
7.5
Table of times
7.5.1
Operations status indication
7.5.2
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 mode for t1
≤
1
t2
Initialisation standby time: check time following the main power start-up
3.5
t2l
Checks extraneous light or parasite flame during t2: waiting mode for t2l, then lockout: the motor
does not start
25
t3
Pre-purging time: the fan motor is working
15
t3l
Checks extraneous light or parasite flame 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 remote reset
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 lockout
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
60
Status
Button colour
button
Seconds
Colour code
OFF
OFF
-
-
-
Pre-purge
ORANGE blink
0.5
0.5
Safety time
GREEN blink
0.5
0.5
Running
GREEN
-
-
Steady ON
Fault description
Reset 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 push-button anomaly
GREEN, RED
fast blinking alternately
0.2
0.2
Lockout for no flame after Ts
RED
-
-
Steady ON
Lockout for extraneous light signal or for parasite flame
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 fault with the internal command circuit that
manages 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
