Operating Programme - Riello MG569-BWZG Installation, Use And Maintenance Instructions

3.5

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 to ignition failure
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
Electrical data and operating times
20134902
t
3
t
4 i
t
s
t
5
Green blink
Orange
blink Green
No flame during operation
t
4 l
L o c k -
out
Green blink
Orange
Green
blink
Signal not requested
20134901
t
3
t
4 i
t
s
Lockout
Green blink
Orange
blink Red
Lockout due to extraneous light during pre-purging
POWER SUPPLY
P
H T
P
P G
F M
M
I D
V 1
P
T R
A D
M
~
V 2
S O
L E D
Key to layout
AD – Air damper servomotor
FM – Fan motor
Fig. 9
HT – Heat request
ID – Integrated 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
Fig. 10
9 GB
t
1
t
2
t l
3
Orange
Red, green blink
blink
20134900
t
s
Lockout
Red
Fig. 11
20142714