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Siemens Building Technologies Basic Documentation LMV51... CC1P7550en
HVAC Products 4 Burner control 01.10.2003
4.2.5 Sequence diagrams
00 01 10 12 20 22 24 30 32 34 36 38 40 42 44 50 52 54 60 62 70 72 74
81 82 8380
t 10 t 22 t 30
tv
TSA1
t 34 t 38 t 42 t 44 t 52 t 70
t 80 t 81 t 82 t 83
tmx2
tmx1
76 78
79
t 74 t 78
tmx1 tmx1 tmx1 tmx1 tmx1 tmx1 tmx1 tmx1
tmx2
21
t 01
t 0 t 62t 21
tmx1
9)
5)
10)
8)
4)
13)
12)
9)
9)
9) 4)
4)
7)
n)
n)
l)
l)
k)
l)
Shutdown
Operation
Startup
TSA1
Valve proving
PrP 2 (FGR)
AD => IGN - POS
Preignition
IGN = ON
V = ON
IGN = OFF
Interval 1 ti1
TSA2
Interval 2 ti2
AD => LF - POS
Operation 1 (station.)
Operation 2
AD => LF - POS
Postburn time
Safety phase
Home run
Standby (station.)
SV = ON
Release of startup
Fan = ON
AD => HF - POS
PrP 1
Evacuate
Atm. test
Fill
Pressure test
tv
PoP 1
5)
6)
SR = ON
AD => PoPPOS
PoP 3
Lockout phase
Direct start
Oil pump / magnetic clutch
Gas + oil
Gas
OilGas+Oil
Gas
Oil
OUTPUTS
INPUTS
Phase number
Timer - event-relation
Timer 1
Timer 2
Timer 3 = Ph. max. time
Fuel 1 (oil)
Fuel 2 (gas)
Safety loop (SLT, water deficiency)
Load controller ON (int. + ext.)
Flame
Air pressure switch (APS)
PS min.
Lockout (PS max.)
Start release oil
PS-VP
Lockout (PS min.)
Lockout (PS max.)
Fan (G)
Ignition (ZT)
Fuel valve SV
Fuel valve PV
Fuel valve V1
Fuel valve V2
Fuel valve V1
Fuel valve V2
Fuel valve V3
Start signal / PS - valvel
Alarm
Fuel
selection
Fan contactor contact (FCC)
(FGR-PS, alternative to FCC)
(CPI , alternative to PS-VP)
1)
Heavy oil direct start
TL internal
Safety relay internal
11)
Fuel valve SV
3)
3)
3)
3)
15)
90°
Fuel
ACT 2, 3
Air, Aux, VSD
ACT 1, 4, 5
VSD
NOxred.
ACT 6
ACTUATORS
0°
R
Z
N
V
K
0° / 0%
R
Z
N
V
K
90° / 100%
0°
R
Z
N
V
K
90°
Required position
UND UNDODER
UND
Start release gas
(LMV52...)
3)12)
17)
18)
3)
7550f13e/0903
Required position
Required position
Program «Direct gas ignition» (also refer to «Fuel trains»)
Direct gas ignition
G
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