Operation Programme - Riello RDB4 Installation, Use And Maintenance Instructions

7.4

Operation programme

Normal operation
POW ER SUPPLY
P
HT
t
1
t
2
FM
M
ID
V1
F
Orange Blinking
LED
Loss of flame during operation (R ecycle max. 3 attempts)
F
Orange Blinking
LED
Lock-out for no flame at the end of safety time
POW ER SUPPLY
P
HT
t
1
t
2
FM
M
ID
V1
F
Orange blinking
LED
20071933
Electrical system
t
3
t
4i
t
t
t
3i
s
5i
Green Blinking
Green
Green Blinking
Green
Signal not required
t
3
t
4i
t t
t
3i 5i
s
Lockout
Green blinking
R ed
Lock-out for flame failure in running position
D12044
PO W ER SUPPLY
P
HT
FM
M
ID
V1
F
LED
t
4l
Lockout
Key to lay-out
F Flame detector
HT Heat demand (TL)
ID Ignition device
MV Fan motor
Fig. 20
SB Remote lock-out signal
V Oil valve
LED Led colour of push button
tpri Pre-ignition time
D11210
tpstv Post-purge time
tpti Post ignition time
tpv Pre-purge time
ts Safety time
Only 3 consecutive reignition are allowedKey to lay-out
*
Fig. 21
18 GB
t
1
t
3
t
2
t
3l
Orange blinking
D11211
t
s
Lockout
R ed
Fig. 22