7422 Burner controls LMG... - Power Equipment Company
7422 Burner controls LMG... - Power Equipment Company
7422 Burner controls LMG... - Power Equipment Company
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Connection diagram (cont´d)<br />
<strong>LMG</strong>22...<br />
<strong>LMG</strong>22... / <strong>LMG</strong>29...<br />
12 2 10 8 3 6 11 7 4 5 9 1<br />
R/W<br />
SA<br />
ION<br />
GP/SB<br />
HS<br />
0 I<br />
L<br />
N<br />
Si<br />
AL<br />
EK2<br />
M<br />
LP<br />
Z<br />
BV1<br />
BV2<br />
<strong>7422</strong>a08/0404<br />
Application examples<br />
12<br />
<strong>LMG</strong>2...<br />
5<br />
9<br />
4<br />
<strong>7422</strong>a09/0300<br />
Control of actuators of 2-stage or 2-stage modulating burners.<br />
Controlled prepurging «t1» with nominal load air volume.<br />
LR<br />
SA<br />
RV<br />
For information about actuators «SA»:<br />
SQN3... refer to Data Sheet N7808<br />
SQN7... refer to Data Sheet N7804<br />
SQN9... refer to Data Sheet N7806<br />
L<br />
SB/R/W<br />
BV1<br />
BV2<br />
<strong>LMG</strong>22... / <strong>LMG</strong>29...<br />
12 2 10 8 3 6 11 9 5 7 4 1<br />
<strong>LMG</strong>22... / <strong>LMG</strong>29...<br />
12 2 10 8 3 6 11 9 5 7 4 1<br />
GP<br />
R/W<br />
AL<br />
EK2<br />
M<br />
LP<br />
Z<br />
S1)<br />
LR<br />
BV1<br />
ION<br />
R/W<br />
AL<br />
EK2<br />
LP<br />
LR<br />
Z<br />
BV1<br />
ION<br />
GP/SB<br />
M<br />
HS<br />
0 I<br />
BV2<br />
SB<br />
N 1 8 2 7 5 6 3 4 9 2)<br />
R1<br />
Si<br />
B b1 b2<br />
N L<br />
A a1 a2<br />
R3<br />
M<br />
LK<br />
I<br />
II III V 1)<br />
5<br />
RV<br />
*<br />
*<br />
<strong>7422</strong>a22/0404<br />
LKP<br />
t1<br />
NL<br />
I<br />
KL<br />
III<br />
Zu<br />
II<br />
SQN3...151... or SQN3...251...<br />
* Note:<br />
With 2-stage modulating burners (with gas regulation damper<br />
«RV»), «BV2» and the dotted connection between terminals (*)<br />
are not required.<br />
t4<br />
TSA<br />
III<br />
<strong>7422</strong>d05/0300<br />
t<br />
HS<br />
0 I<br />
Si<br />
N L<br />
SA<br />
6 8 10 2 1 3 7 9<br />
R3<br />
R1<br />
K2<br />
C2<br />
K1<br />
+<br />
D<br />
- +<br />
C3<br />
III RV<br />
R2<br />
I<br />
II<br />
MS<br />
C1<br />
LK<br />
SQN90.220... / 2-stage modulating control<br />
<strong>7422</strong>a11/0404<br />
<strong>LMG</strong>22... / <strong>LMG</strong>29...<br />
<strong>LMG</strong>22... / <strong>LMG</strong>29...<br />
12<br />
2<br />
10<br />
8<br />
3<br />
6 11<br />
5<br />
9<br />
7<br />
4 1<br />
12<br />
2 10 8 3 6 11 9 5 7<br />
4 1<br />
R/W<br />
GP/SB<br />
AL<br />
EK2<br />
LP<br />
M<br />
LR<br />
Z<br />
BV1<br />
ION<br />
R/W<br />
GP/SB<br />
AL<br />
EK2<br />
LP<br />
M<br />
LR<br />
1 2<br />
Z<br />
BV1<br />
ION<br />
BV2<br />
BV2<br />
HS<br />
N 5 4 1 3 2 8 6 7<br />
HS<br />
N 4 5 1<br />
3 2 8 6 7<br />
0<br />
I<br />
N<br />
Si<br />
L<br />
C<br />
a1<br />
A<br />
b1<br />
I<br />
b2<br />
c1<br />
a2<br />
M<br />
II III<br />
B<br />
IV<br />
<strong>7422</strong>a12/0404<br />
LKP<br />
NL I<br />
I<br />
IV<br />
KL<br />
III<br />
zu<br />
II t1 TSA<br />
t4<br />
IV<br />
III<br />
0<br />
I<br />
t<br />
N<br />
Si<br />
L<br />
A<br />
a1<br />
b1<br />
I<br />
M<br />
b2<br />
a2<br />
II III<br />
B<br />
IV<br />
<strong>7422</strong>a13/0404<br />
SQN7...454 / 2-stage control, 1-wire control<br />
SQN7...424 / 2-stage control, 2-wire control<br />
14/18<br />
Siemens Building Technologies<br />
CC1N<strong>7422</strong>en<br />
HVAC Products 21.12.2004
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