34
Gas burner control unit connection diagram
Gas burner control unit connection diagram
Legend
A
1 Burner control unitMPA51
A
2 Display unit with reset function
H
1 Operating message
H
2 Fault message
B
1 Flame monitoring through
ionisation current
B
2 Safety chain jumper
F
1 Main fuse
F
2 High limit safety cut−out
F
4 Gas governor minimum pressure
F
6 Air pressure switch
M
1 Fan motor with PWM selection
and feedback
S
1 ON/OFF switch
S
2 Thermostat
S
3 Output control
T
1 Ignition unit
Y
1 Gas safety valve
Y
2 Auxiliary start−up valve/air
control pressure (option)
5692541 GB
31
COM
30
NO
29
COM
28
PE
27
NO
26
COM
25
PE
24
NO
23
COM
22
PE
21
NO
20
19
18
17
N
16
PE
15
Ign.
14
N
13
PE
12
Fan
11
N
10
PE
9
Y2
8
N
7
PE
6
Y1
5
4
3
2
1
13
1
111
47
54
10
0
38
35
1
2
3
4
ION
5
+UH
6
PWM
7
Spd.
8
GND
9
B5
T6
T7
T8
PE
L1
N
T1
T2
S3
B4
41
90
10
0
A
11
PE
Y1
Y2
M1
M
T1
4
F4
P
F6
P
B2
A1
H1
N
H2
N
S2
N
PE
230 V~
Mains
50 Hz
S1
L1
F1
(+)
(−)
4
S3
M1
B1
+24 V DGND DOUT DIN DIR CLK
DGND RXD TXD G 5V
A2
S4
F1
Summary of Contents for MatriX radiant burner
Page 35: ...35 Component summary Component summary 5692 541 GB B P N E O H K L M E F G A B C D...
Page 39: ...39 Parts list Parts list cont 5692 541 GB 006 007 003 002 036 036 035 036 009 001 5o 008 009...
Page 41: ...41 Appendix 5692 541 GB...
Page 43: ...43 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...
Page 45: ...45 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...
Page 47: ...47 Appendix Maint service Maint service Maint service Maint service 5692 541 GB...