User Manual

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Building Technologies Division CC1N7808en
Infrastructure & Cities Sector 13.05.2016
Connection diagrams

Note!
The following connection diagrams show the actuator’s start position as supplied:
- End switch position II (CLOSED)
- Dead
No.
0
 LFL... / LGK16... / LAL... and LOK16...
2-stage or modulating operation  Prepurging at nominal load position «NL»
I
HS
LN
LFL... / LGK16... / LAL... / LOK16...
SQN3x.x0xAxxxx
0
1
20 10 18
BV2
BV1
19
8
2
9
11
**)
N31 652 4 10 8 9 13 11 12
M
III
III IV
~
7808a11/1004
7
V
0
SB
LR
*)
Si
LK
RV
1)
1)
*)
**)
Diagram shows arrangement for
modulating operation
Thermostat or similar with changeover
contact (2-wire control) or 3-position
controller for «on / off» positioning
pulses and neutral position
In case of modulating operation, fuel
valve «BV2» is replaced by a gas
control valve «RV»
R
M1
M2
Z
BV1
RV
FS
A
7808d05/1004
C
t1
B D
t
III
I
I
II
III
LR
*)
LK
M
I
III
II
RV
LKP
NL
KL
ZU
**
**
SA
Program sequence diagram shows
modulating operation