Siemens LMV 5 Series, Technical Instructions, Page: 126 / 374

Technical Instructions LMV Series
Document No. LV5 ‐ 1000
Section 4 Page 8 SCC Inc.
Drive
to
Igni
tion
Pos.
Preignition (SPARK)
=
ON
Pilot
Valve
=
ON
IGN
(SPARK)
=
OF
F
Interval
1
(Pilot
Stabiliza
tion)
Safet
y
Time
2
Interval
2
(Main
Stabiliza
tion)
Drive
to
Low
Fire
Pos.
36 38 40 42 44 50 52 54
Terminal Description
SAFETY TIME
1
DirectIgn
iG
X4 ‐ 02.3 Ignition
X9 ‐ 01.4
Gas valve V1 (main valve,
upstream)
X9 ‐ 01.3
Gas valve V2 (main valve,
downstream)
Pilot
Gp1
X4 ‐ 02.3 Ignition
X9 ‐ 01.1
Gas valve SV (safety valve,
usually outdoors)
X9 ‐ 01.2 Gas valve PV (pilot valve)
X9 ‐ 01.4
Gas valve V1 (main valve,
upstream)
X9 ‐ 01.3
Gas valve V2 (main valve,
downstream)
Pilot
Gp2
X4 ‐ 02.3 Ignition
X9 ‐ 01.1
Gas valve SV (safety valve,
usually outdoors)
X9 ‐ 01.2 Gas valve PV (pilot valve)
X9 ‐ 01.4
Gas valve V1 (main valve,
upstream)
X9 ‐ 01.3
Gas valve V2 (main valve,
downstream)
Figure 4 ‐ 1: Fuel Train Sequences for Gas (shaded indicates energized)
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