20140262
24
GB
Installation
5.12 Operating programme
Key
FM
– Fan motor
HT
– Heat request
ID
– Ignition device
LED
– LED colour inside the button
PG
– Low gas pressure switch
SO
– Ionisation probe
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
– Gas valve
t
2
t
1
t
3
t
4i
t
s
HT
FM
ID
V1
LED
P
M
LED
t
4l
PG
P
SO
SO
POWER SUPPLY
Signal not requested
Blink
Orange
Green blink
Lockout
Green
No flame during operation
Green blink
Green
Fig. 20
Normal operation
20136055
Blink
Orange
B
link
fa
st
re
d
t
2
t
1
t
3
t
4i
t
s
HT
FM
ID
V1
LED
P
M
PG
P
SO
Lockout
Green blink
Red
Blink
Orange
Lockout due to ignition failure
20136056
POWER SUPPLY
Fig. 21
LED
t
2
t
1
HT
FM
ID
V1
P
M
t
3
l
PG
t
s
P
SO
Red, green blink
Lockout
Red
Lockout due to extraneous light during pre-purging
POWER SUPPLY
Fig. 22
20136057
Blink
Orange
