4.8
OPERATING PROGRAMME
4.8.1
NORMAL OPERATION WITH PREHEATING
P
TL
t
1
t
2
MV
M
I
V1
F
LED
Loss of flame during operation (Recycle max. 3 attempts)
MV = stopped
F
LED
No signal needs to be received
D7359
Waiting time of a control box input signal: reaction time,
t1
the control box stands still for the time t1.
Presence of extraneous light before the heat request: if
t1I
the presence of light during the t1l time, a block follows.
Wait time after a request for heat:
t2
the control box stays still for the t2 time.
Pre-purging time:
t3
start of the fan motor.
Presence of an extraneous light during pre-purging:
t3I
immediate block.
Safety time: if at the end of the ts time there is no flame,
ts
a block follows.
3280
t
3
t
4i
t
s
Green
Yellow
Green
Yellow
Yellow
KEY TO LAY-OUT
F
– Flame detector
– Ignition transformer
I
LED – Reset button LED indicating operating
MV – Fan motor
TL – Limit thermostat
t
5i
V1 – Oil valve
Yellow
t
4l
.
Lockout
Yellow
OPERATING TIMES
t1
t1I
t2
t3
t3I
ts
Time is expressed in seconds
Transformer turn on time:
t4i
total turn on time ts + t5i.
Transformer post- turn on time:
t5i
additional turn on time after ts.
Flame loss in operation: maximum oil valve drop reac-
t4I
tion time, after three recycle attempts a block follows.
Post-purging time:
t6
additional purging time on the opening of the heat limit
thermostat (TL)
Presence of an extraneous light during post-purging. if
t6I
the presence of light lasts the t6l time, a block follows.
Long pre-purging time:
t7
pre-purging time more than t3.
9
GB
status
Red
Green + Yellow slow blinking
Green + Yellow fast blinking
Green
Green + Yellow medium blinking
Red + Yellow fast blinking
Yellow fast blinking
max
1
t4i
max
30
t5i
-
3
t4I
-
15
t6
max
1
t6I
-
5
t7
-
8
-
3
max
1
max
360
max
30
-
120