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Siemens Building Technologies
Basic Documentation LMV5...
CC1P7550en
HVAC Products
4 Burner control
13.08.2004
4.2.5 Sequence diagrams
7550f13e/0804
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
83
80
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 62
t 21
tmx1
5)
10)
8)
4)
13)
12)
9)
9)
9) 4)
4)
7)
21)
9)
Shutdown
Operation
Startup
TSA1
Valve proving
Pr
P 2
(
F
G
R
)
A
D
=> I
G
N
-
P
O
S
Pr
ei
g
ni
tio
n
IGN
=
O
N
V =
O
N
IGN
=
O
F
F
In
te
rv
a
l 1
ti
1
TSA2
In
te
rv
a
l 2
ti
2
AD
=
>
L
F
-
PO
S
Op
e
rat
io
n 1
(
st
at
io
n.
)
O
pe
rat
io
n 2
AD
=
>
L
F
-
PO
S
Po
st
b
ur
n t
im
e
S
afe
ty
p
ha
se
Ho
m
e r
u
n
S
ta
nd
by
(
sta
tio
n
.)
SV =
O
N
R
el
ea
se
of
s
tar
tu
p
F
an =
O
N
AD
=
>
HF
-
PO
S
Pr
P 1
E
vac
ua
te
At
m
. t
es
t
Fi
ll
P
re
ssu
re
t
es
t
tv
Po
P
1
5)
6)
SR
=
O
N
A
D
=
>
Po
PP
O
S
Po
P 3
Lo
ck
ou
t pha
se
D
ire
ct
st
ar
t
Oil pump / magnetic clutch
Gas
+
Oil
Ga
s
Oi
l
Ga
s+
O
il
Ga
s
Oi
l
OU
T
P
UTS
INP
UTS
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 - valve
Alarm
Fuel
selection
Fan contactor contact (FCC)
(FGR - PS, alternative to FCC)
(CPI ,alternative to PS-VP, LMV51)
1)
Heavy oil direct start
TL internal
Safety relay internal
20)
Fuel valve SV
3)
3)
3)
3)
15)
90°
Fu
el
AC
T
2
, 3
Ai
r,
Au
x,
V
S
D
AC
T
1
, 4
,
5
VSD
N
O
xr
ed.
AC
T
6
AC
TU
AT
OR
S
0°
R
Z
N
V
K
0° / 0%
R
Z
N
V
K
90° / 100%
0°
R
Z
N
V
K
90°
Required position
Required position
Required position
AND
AND
OR
AND
Start release gas (LMV52)
3)12)
17)
18)
3)
(CPI funktion to LMV52)
11)
Program «Direct gas ignition» (also refer to «Fuel trains»)
Direct gas ignition
G