Printed in Germany / M-MT-BOS
• Edition11.99 • # 231 763
27 … 112
Time diagram
Oil firing, three stage
Start without flame after start-up safety period
Start-up tests
01 02 04 05 06 07 08 09 99
State number
Display
Closed-loop
control sequence
ÖW max
ÖW min
Air pressure switch
Flame
GW VPS
Blower motor
Ignition
Valve Y1
Valve Y2
Valve Y3
Operation
Fault
Watchdog
SAD air
SAD gas
VPS flag
Duration
Input
Input
Input
Input
Input
Input
Output
Output
Output
Output
Output
Output
Output
Output
I / O
I / O
Flag
TEST
L 1 2 4 5 6 7 8 9
F xxh
<3
s
Ref.
P9P9-->P9 P9 -->P0 P0 P0
–––
Ref.
5*
<3,5
s
1
s
<30
s
5
s
<30
s
2
s
2..5
s
0,3
s
–––
10..60
s
disregarded in case of “oil burner”
In the operating mode “oil firing, three stage”, the “coding plug oil” is assigned to the input
>---> 12 12 21
Start-up tests
01 02 03 04 05 06 07 08 09 21 99
State number
Display
Closed-loop
control sequence
ÖW max
ÖW min
Air pressure switch
Flame
GW VPS
Blower motor
Ignition
Valve Y1
Valve Y2
Valve Y3
Operation
Fault
Watchdog
SAD air
SAD gas
VPS flag
Duration
Input
Input
Input
Input
Input
Input
Output
Output
Output
Output
Output
Output
Output
Output
I / O
I / O
Flag
12
12
TEST
L 1 2 3 4 5 6 7 8 9 F xxh
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
>--->
<3
s
--->Ref
P9P9-->P9 P9 P9 -->P0 P0 P0
Ref.
P1-P9
–––
6*
6*
<3,5
s
1
s
<30
s
<10
s
5
s
0,3
s
<30
s
2
s
2..5
s
<24
h
2
s
10..60
s
–––
P1-P9
––– –––
2
s
<1
s
disregarded in case of “oil burner”
In the operating mode “oil firing, three stage”, the “coding plug oil” is assigned to the input
5*
6*
6*
Flame failure during operation