Dungs MPA22 User Manual

Printed in Germany / M-MT-BOS
• Edition11.99 • # 231 763
25 … 112
Time diagram
Gas firing, pneumatic
modulation
Start-up tests 01 02 03 04 05 06 07 08 09 Start-up tests 01 02 03 04 05 06 07 08 09 99
State number
Display
Closed-loop
control sequence
GW max
GW 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 3 4 5 6 7 8 9 TEST L 1 2 3 4 5 6 7 8 9 F xxh
<3
s
Ref.
P9P9-->P9 P9 P9 -->P0 P0 P0
–––
Ref.
2*
3*
<3,5
s
1
s
<30
s
<10
s
5 0,3 5..55 <30
s
1..2
s
2..5
s
10..60s
disregarded 4*
2*
3*
<3
s
--->Ref
P9P9-->P9 P9 P9 -->P0 P0 P0
–––
Ref.
<3,5
s
1
s
<30
s
<10
s
5 0,3 5..55 <30
s
1..2
s
2..5
s
10..60s
–––
In the operating mode “gas, pneumatic modulation“, the “coding plug/gas” 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
GW max
GW 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
–––
2*
3*
<3,5
s
1
s
<30
s
<10
s
5 0,3 5..55 <30
s
1..2
s
2..5
s
<24
h
2
s
10..60s
disregarded
–––
P1-P9
––– –––
2
s
<1
s
In the operating mode “gas, pneumatic modulation“, the “coding plug/gas” is assigned to the input
Start without flame after start-up safety period
1 restart permitted, valve proving system inactive
Flame failure during operation
1 restart permitted, valve proving system inactive

Dungs MPA22 Specifications

General

Brand	Dungs
Model	MPA22
Category	Controller
Language	English