6.7
Operating programme
Normal operation
POWER SUPPLY
P
H T
P H
K
t
1
t
2
F M
M
I D
V 1
F
Green
blink
L E D
F
Green
blink
L E D
Lockout due to ignition failure
POWER SUPPLY
P
H T
P H
K
t
1
t
2
F M
M
I D
V 1
F
Green
blink
L E D
20136555
Start-up, calibration and operation of the burner
t
3
t
4 i
t
t
t
3 i
s
5 i
Green blink
Orange
Green
blink
No flame during operation
Green blink
Orange
Green
blink
Signal not requested
t
3
t
4 i
t
t
t
3 i
s
5 i
Lockout
Green blink
Orange
blink
Lockout due to extraneous light during pre-purging
20136229
POWER SUPPLY
P
H T
P H
K
F M
M
I D
V 1
F
L E D
t
4 l
Lockout
Key
F
– Flame sensor
FM – Fan motor
HT – Heat request
ID
– Ignition device
Fig. 28
K
– Thermostat enabling start-up after
pre-heating
LED – LED colour inside the button
Oil heater
PH –
t1
– Standby time
t2
– Initialisation time for checking
t3
– Pre-purging time
t3l
– Checks for presence of extraneous light during pre-purg-
ing phase
t4i
– Total ignition time
t4l
– Reaction time to achieve safety lockout due to lack of fail-
ure
ts
– Safety time
V1 – 1st stage valve
Red
Fig. 29
27
GB
t
1
t
2
t
3
Orange blink
Green
Red, green blink
blink
20083033
t
s
l
Lockout
Red blink
Fig. 30
20136933