Riello BS2D Instrucciones De Instalación, Uso Y Mantenimiento página 24

5.12 Operating programme
Normal operation
POWER SUPPLY
t
2
P
H T
P
P G
t
1
F M
M
I D
V 1
P
T R
A D
M
~
V 2
S O
L E D
S O
L E D
Lockout due
POWER SUPPLY
t
2
P
H T
P
P G
t
1
F M
M
I D
V 1
P
T R
A D
M
~
V 2
S O
L E D
20134901
20140036
20134902
t
3
t
4 i
t
s
t
5
Green blink
Orange
blink Green
No flame during operation
t
Lockout
Green blink
Orange
Green
blink
Signal not requested
t
3
t
4 i
t
s
Lockout
Green blink
Orange
blink Red
Installation
Lockout due to extraneous light during pre-purging
POWER SUPPLY
H T
P G
F M
I D
V 1
T R
A D
V 2
S O
4 l
L E D
Key
AD – Electric air damper opener
FM – Fan motor
Fig. 21
HT – Heat request
ID – Ignition device
LED – LED colour inside the button
PG – Low gas pressure switch
SO – Ionisation probe
TR – Adjustment thermostat
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
t5 – Delay time between the 1st and 2nd stage
ts – Safety time
V1 – 1st stage valve
V2 – Valve 2nd stage
22 GB
P
P
t
1
t
2
M
P
M
~
t
3
Orange
Red, green blink
blink
20134900
t
s
l
Lockout
Red
Fig. 23