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Control program
Connection diagram
Connection examples
8/11
Building Technologies Division
In the event of fault and lockout indication:
◄
No start
For example: Start control loop interrupted via actuator (SA)
Lockout due to a fault in the flame supervision circuit
▼
Abortion of startup sequence because the auxiliary switch in actuator (SA) has
cut the start control loop
Lockout, because no flame signal was present on completion of the ignition
1
safety time (TSA)
Lockout because no flame signal was present on completion of the second
2
safety time
▌
Lockout because the flame signal was lost during burner operation
◄
Lockout on completion of the control program, due to extraneous light or a faulty
flame signal
For example: Flame not extinguished
After the reset, the burner control's switching mechanism first returns to the start position
and then initiates a burner restart.
LFL1.148
1
2
3 21
SB
EK2
H
AL
Si
L
N
7454a04/0204
5
4
12 15 20 11 6 8
W
LP
R
7454a02/1195
5
4
12 8 6 14 15 20 11
W
7454a03/1195
R
(7)
4
12 5
14 6
8
16
W
R
GP
Z
M1
2-stage forced draft gas burner without
load controller (LR) and without actuator
(SA)
Atmospheric gas burner without fan
assistance, load controller (LR) and
actuator (SA)
19 11 15 22
18
23
ION1
BV1
BV2
24
ION2
CC1N7454en
20.11.2017
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