User Manual

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Building Technologies Division CC1N7808en
Infrastructure & Cities Sector 13.05.2016
Connection diagrams (cont’d)
No.   LOA24... / LOA25... / LOA28... / LMO24... / LMO44...
2-stage operation  Prepurging at low-fire position «KL»
HS
N
I
L
LOA24.../LOA25.../LOA28.../LMO24.../LMO44...
AL
OH
Z
LR
BV1
37 6 4 5 11 12
QRB...
OW
2)
W
R
BV2
2
10 81
M
0
SB
*)
7808a09/1204
1)
Si
N
1
2
6
7
5
43
b1
b2
B
ab
III
a3
a
b
II
MS
I
ab
a2
a
b
IV
A
a
b
V
LK
3)
2
SQN3x.x2xAxxxx
1)
2)
*)
3)
With oil preheater
Without oil preheater
Thermostat or similar with NO contact
(1-wire control)
Cams III and IV are rigidly connected
SB
R
W
OH
OW
M
LR
BV1
BV2
FS
M
I
IV
III
II
LK
A
C
tw
t1
t4
B
D
7808d01/1204
TSA
ZU
KL
LKP
NL
t
I
III
III
Vb
Va
Vb
I
IV
BV2
entspr. 6°
3)
II
SA