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Building Technologies CC1N7761en
HVAC Products 19.02.2007
Connection examples and sequence diagrams
For connection examples and switching program for flame supervision with
DETACTOGYR® LFE50..., refer to Data Sheet 7783.
Startup with long preignition «t3» and checked actuator control.
Air pressure supervision from the start to controlled shutdown.
No load control.
Required type of flame safeguards: LAE10... with selenium photocell detector RAR...
* When using an air pressure switch «LP», the connections between terminals 3 and 4
and 8 and 18 are not required
1 2 13 14 15 12 19 18 8 9 4 3 22 21 20 17 6 5 7 11
UL.2
M1 M2
MM
c1
e1
P
(R)
c2
e2
H
N
(Mp)
L2
LP
P
c1
*
W
R1
T
T
*
e1
c1
121211
az
M
N
LK
e2
d1
c2
Z
OV1
OV2
OV3
d1
d1
LEC1...
7761a03/0696
EK2
16
3
7
4
5
6
FW
3
7
4
5
6
FW
(LAE10...)
SB
Luft
Öl
M
LK
OV3
OV2
OV1
7761a04/0696
Air damper control, detailed
In the case of burners without air damper
or with an air damper not controlled by
the control unit, terminals 20, 21 and 22
must be interconnected.
Link 18-c1-21 is not permitted however!
t11 t1 t12 t11 tn t6 t12
22
21
21/d1
18/c1/d1
20
LK"a"
LK"z"
A
BCDE
7761d03/0696
AB
t8
t7
t11
t1 t12
TSA
t3
t4
t5
M1
M2
LK
Z
OV1
OV2
OV3
FW
L2
Kl.3
17
22/21
6
5
7
11
13/14
12
C
t6
DE F G H
t6
t7
t1
TSA
KL
7761d02/0401
I
t3
t5
t4
Double- or multiflame
supervision of oil
burners
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