PART V: MAINTENANCE
42
Grain kit diagram
Checking the detection current with electrode (natural gas)
To check the detection signal follow the scheme in the picture below. If the signal is less than the value indicated, check the position of
the detection electrode or detector, the electrical contacts and, if necessary, replace the electrode or the detector.
Device
Flame detector
Minimum detection signal
Siemens LMV2x/3x
Ionization probe
3 µA (values on display: 30%)
0
1
2
3
4
5
6
7
35
34
33
32
31
30
8
15
14
9
10
11
12
13
17
18
19
20
16
21
22
23
24
25
26
28
29
27
A
A
B
B
C
C
D
D
E
E
0
1
2
3
4
5
6
7
35
34
33
32
31
30
8
15
14
9
10
11
12
13
17
18
19
20
16
21
22
23
24
25
26
28
29
27
30 mg
36
Holes
27
Open air holes
50/80 mg
36
Holes
9
Open air holes
A
Gas pipes
B
Electrode holes
C
Holes to let open
D
Holes to be closed
E
Set screws for disk and cap on M3 hole
Protective earth PE
Ionization probe (ION)
QRB.../ QRC... signal voltage
QRB... GND
1
2
3
4
5
L
X10-05
Summary of Contents for E115X
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Page 49: ...Siemens LMV5x Service Manual M12920CC rev 2 1 08 2017...
Page 56: ...8...
Page 60: ...12 2 2 LMV5x program structure...
Page 87: ...39...
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Page 96: ...Note Specifications and data subject to change Errors and omissions excepted...
Page 98: ...Annex1 Example for motor cable...
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Page 100: ...Annex 2 Example for sensor cable...
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