Installation and operating instruction
Oil burner WL20/2-C Z
3 Product description
83307702 1/2019-04 La
13-80
T
w
T
V
T
NZ
T
S
T
VK
T
VK
B4
P11 P13
W-FM 10
B5
P
P
B15
L
T1 T2
F2
N
L N
K10
6
M
M20
P
B16
T6 T8
5
1
M
1
M1
3
T1
K11
K13
4
B1
13
T
N
B1
Flame sensor
T
NZ
Post-purge time: 6.5 s
B15
Temperature or pressure regulator
T
S
Safety time: 4.6 s
B16
Temperature or pressure regulator stage 2
T
VK
Residence time partial load (stage 1): min 5 s
F2
Temperature or pressure limiter
T
V
Pre-purge time: 16.2 s
K10
Anti siphon valve (optional)
Voltage is applied
K11
Stage 1 solenoid valve
Flame signal present
K13
Stage 2 solenoid valve
Current path
M1
Burner motor
START (orange)
M20
Air damper actuator
Ignition phase (flashing orange)
P11
Control lamp operation (optional)
Burner operation (green)
P13
Control lamp stage 2 (optional)
1
CLOSED position (ST0)
T1
Ignition unit
2
Stage 1 (ST1)
T
W
Startup waiting time: 1 s
3
Stage 2 solenoid valve (MV2-Oil)
T
N
Post-purge time: 1.2 s
4
Stage 2 (ST2)