35
COMMISSIONING AND MAINTENANCE
Lockout caused by ignition failure
POWER ON
LED
F
V
ID
FM
K
PH
HT
t2
t1
t3
t4i
t3i ts
t5i
Lockout
Red
Flashing green
Signal not needed
Flashing
orange
Flashing
green
HT Heat request
PH Pre-heater
K Thermostat for enabling start-up after pre-heating
FM Fan motor
ID Ignition electrode
V Fuel oil valve
F Flame detector
LED Colour of button LED
Lockout caused by extraneous light during pre-purging
F
LED
HT
FM
ID
P
V
M
K
PH
Lockout
Red
Flashing
green
Flashing orange
POWER ON
Flashing green, red
t1
t2
t3l
ts
Cycle times
t0
-
-
t1
≤
1
t2
-
3.5
t2l
-
25
t2p
max
600 (*)
t3
-
15
t3l
≤
25
t3i
-
2
ts
-
5
t4i
-
10
t4l
≤
1
t5i
-
3
-
-
0.4
-
-
0.8
tr
3 repeats
tpp
10
Times are expressed in seconds.
(*) independent of burner controller