4.6
OPERATING PROGRAMME
4.6.1 NORMAL OPERATION
P
TL
t
2
P H
t
2p
K
MV
M
I
V
LF
HF
F
Yellow
LED
Loss of flame during operation (Recycle max. 3 attempts)
MV = stopped
F
LED
Standby time pending an input signal to control box:
t1
reaction time, control box takes no action for time t1.
Extraneous light detected before demand for heat:
t1I
lockout occurs if light persists for time t1l.
Standby time following a demand for heat:
t2
control box takes no action for time t2.
Extraneous light detected during oil preheating or
t2l
standby:
lockout occurs if light persists for time t2l.
Pre-purging time:
t3
fan motor starts.
Extraneous light detected during pre-purging:
t3I
immediate lockout.
Safety time: lockout occurs if no flame is detected by the
ts
end of time ts.
3402
t
1
t
3
t
4i
t
s
t
5
Green
Yellow
Green
Yellow
Yellow
No signal needs to be received
KEY TO LAY-OUT
F
– Flame detector
HF – High-flame
K
– Thermostat enabling start-up after pre-
I
– Ignition transformer
LED – Reset button LED indicating operating
LF – Low-flame
MV – Fan motor
t
5i
PH – Oil heater
TL – Limit thermostat
V
– Oil valve
Green
Yellow
D7243
t
4l
OPERATING TIMES
.
Lockout
t1
t1I
t2
t2l
Yellow
t3
t3I
D8014
ts
Time is expressed in seconds
Flame loss during operation:
t4I
oil valve drop maximum reaction time, lockout occurs
after 3 recycle attempts.
Transformer ignition time:
t4i
total ignition time: ts + t5i.
Delay time of insertion of the large flame: the time to
t5
pass from an initial gas oil pressure to a higher one.
Transformer post-ignition time:
t5i
additional ignition time following ts.
Post-purging time: additional purging time when heat
t6
demand limit thermostat (TL) opens.
Extraneous light detected during post-purging:
t6I
lockout occurs if light persists for time t6l.
Long pre-purging time:
t7
pre-purging time longer than t3.
11 GB
heating
status
Red
Green + Yellow slow flashing
Green + Yellow fast flashing
Yellow
Green
Green + Yellow medium flashing
Red + yellow fast flashing
Yellow fast flashing
max
1
t4I
max
30
t4i
-
3
t5
max
30
t5i
-
15
t6
max
1
t6I
-
5
t7
max
1
-
8
-
3 ÷ 9
-
3
max
360
max
30
-
120