Application Examples; Figure 12: Application Examples Lme39.100 - Siemens LME39 Series Basic Documentation

Attention!
The connection diagrams shown are merely examples which must be adapted in the
individual case depending on the application!
Control of actuators of 2-stage or 2-stage
modulating burners. Controlled prepurging
with high-fire air volume.
For information about actuators:
SQN3... see Data Sheet N7808
SQN7... see Data Sheet N7804
SQN9... see Data Sheet N7806
M
N
N
M
SQN3...151... or SQN3...251...

* Note:
With 2-stage modulating burners (with gas regulation
damper), fuel valve 2 and the dotted connection
between terminals (*) are not required.
GP/SB
HS
SQN7...454/2-stage control
1 wire control
34/73
Building Technologies Division

10.3 Application examples

12 5
SB/R/W
L
2)
LKP
KL
1)
Z

Figure 12: Application examples LME39.100...

Basic Documentation LME39...
10 Inputs and outputs/internal connection diagram/program sequence of LME39.100...
SA
12 2
0
6
Si
L
t4
t1
SQN90.220.../2-stage modulating
control
12
Si
L
IV IV
SQN7...424/2-stage control
2 wire control
10 8 3 6 11 5
9
EK2
LP
AL
8 10 2 1 3 7 9
K2
K1
MS
2 10 8 3 6 11 9 5 7
EK2
AL
Z
M
5 1 3 2 8
4
b2
a1
7 4 1
V1
LK
4 1
V1
V2
6 7
CC1P7106en
08.12.2017