Operating Programme (One.stage Version With Heater) - Riello MO550-BWG Installation, Use And Maintenance Instructions

3.4

Operating programme (one.stage version with heater)

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
20138365
Electrical data and operating times
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
Red
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
20083033
Lockout
Key
– Flame sensor
F
FM – Fan motor
HT – Heat request
– Ignition device
ID
Fig. 5
Thermostat enabling start-up after
–
K
pre-heating
LED – LED colour inside the button
Oil heater
PH –
– Standby time
t1
– Initialisation time for checking
t2
– Pre-purging time
t3
– Checks for presence of extraneous light during pre-purg-
t3l
ing phase
– Total ignition time
t4i
– Reaction time to achieve safety lockout due to lack of fail-
t4l
ure
– Safety time
ts
– 1st stage valve
V1
Fig. 6
6
GB
t
1
t
2
t l
3
Orange blink
Green
Red, green blink
blink
t
s
Lockout
Red blink
Fig. 7