Advertisement
Connection examples for interrupted pilot burners (cont´d)
LFE... for firing on gas
or oil, optional
1 2 12 13 15 14 16
SB
H
M1
M2
M
M
c1
c2
e1
e2
L2
+ LF
EK2
N (Mp)
P (R)
Building Technologies
UV flame detectors can supervise both oil and gas flames, but gas flames can also be
supervised with ionization probes.
(17)
3 19 4
8 18 9
22
c1
BS2
I II III
R1
T
P
1
2
LP
W
a
z
T
M
P
100%
0%
N
LK
GP
When using UV flame detector QRA..., terminal 13 must be connected to earth.
OV2
Öl
OV1
M
LK
Luft
GV1
Gas
GV2
LFE1
20
21
d1
R2
BS1
T
I
II III IV
11 12
14 15 16 17
13
3
6
4
5 7 8
38%
31%
46%
33%
OV3
7461a12/1196
GV3
6
5
10
OV1
OV3
GV3
GV1
GV2
Z
(SQ...)
7461a11/0901
Operating switch BS1
I
Nominal load
II
Stop
III
Part load
Automatic control
IV
Operating switch BS2
I
Gas
II
Off
III
Oil
7
11
d1
BS2
I
III
II
OV2
17/19
CC1N7461en
21.08.2018
Advertisement
