4.7
OPERATING PROGRAMME
4.7.1 NORMAL OPERATION
P
TL
t
1
t
2
MV
M
I
V1
V2
F
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 standby time:
t2l
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
ts
the end of time ts.
3363
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
I
– Ignition transformer
LED – Reset button LED indicating operating
MV – Fan motor
TL – Limit thermostat
V1 – Oil valve 1
V2 – Oil valve 2
t
5i
Green
Yellow
D7888
t
4l
.
Lockout
OPERATING TIMES
t1
t1I
t2
Yellow
t2l
t3
D7877
t3I
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 between the 1st and 2nd stage:
nd
t5
2
stage valve opening time after the 1
opening.
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.
10 GB
status
st
stage
nd
stage
Red
Green + Yellow slow flashing
Green + Yellow fast flashing
Green
Green + Yellow medium flashing
Red + yellow fast flashing
max
1
t4I
max
30
t4i
-
3
t5
-
30
t5i
-
15
t6
max
1
t6I
-
5
t7
max
1
-
8
-
8
-
3
max
360
max
30
-
120
st
stage valve