50
MatriX cylinder burner
N
M
L
K
H
G
C
F
E
D
C
A
B
O
Fig. 56
A
Burner control unit MPA 5113
B
Vitotronic control unit
C
Fan motor with PWM control and feedback
D
Flame monitor with ionisation current
E
Display unit with reset function
F
To the mains filter unit
G
Air pressure switch
H
VPS gas pressure switch
K
Gas pressure switch min.
L
Ignition unit
M
Solenoid valve, stage 2 (BV 2)
N
Solenoid valve, stage 1 (BV 1)
O
Servomotor for rotary damper
B2 Safety chain jumper
F1 MCB/fuse
F2 MCB/fuse
F6 High limit safety cut-out
F7 Temperature controller
H1 Hours run meter, modulation
H2 Fault message
H3 Hours run meter, modulation
S1 ON/OFF switch
Connection and wiring diagram
Burner control unit connection diagram
5783 337 GB
Appendix