Switchgear Sequence - Siemens LFL1.133 Manual

Switchgear sequence

A
a
I
b
t7
a
II
b
t11
a
III
b
IV
a
V
b
t16
VI
a
VII
b
a
VIII
b
a
X
b
a
XI
b
a
XII
b
t10
a
XIII
b
a
XIV
b
a
XV
b
Positions of lockout indicator
LFL
20/25
Building Technologies Division
t1 t12
t8
P
«TSA´», «t3´» and «t4´»:
These times only apply to burner controls of the 01 series (LFL1.335, LFL1.635, and
LFL1.638). They do not apply to burner controls of the 02 series since cams X and VIII
of these types of LFL1... perform simultaneous switching actions.
t3 t4
TSA
*t3´ *t4´
t9
*TSA´
t5
1 2
Control output
B C D at terminal:
12
19
t6
10
9
20
t20
18
17
t13
12
7451d01/0604
CC1N7451en
20.11.2017
7
16
9
11
8
7