Siemens LMV27.100x2 Basic Documentation page 67

Light oil direct ignition,
modulating
(Operating mode 4, 22)
(Operating mode 4, 22)
Fuel valve control
Figure 46: Light oil - direct ignition - fuel valve control
Building Technologies
Modulating burner (without shutdown facility for adjustable head)
Program LO
P
min
1)
7541s07e/1007
Figure 44: Light oil - direct ignition modulation
Modulating burner (with shutdown facility for adjustable head)
Program LO
P
min
1)
Figure 45: Light oil - direct ignition modulation
Light oil (transformer for direct ignition)
Basic Documentation LMV27...
7 Basic unit LMV27
V1
P
max
M
V1
P
max
M
Bild 421e/1013
1)
7541s08e/1007
Legend for fuel trains:
1) Series connection of two DC 115 V
valves
LO Light oil
No Normally Open
LK Air damper
P LT Valve proving
Pmax Pressure switch-max
Pmin Pressure switch-min
PV Pilot valve
SA Actuator
SV Safety valve (outdoors)
TSAx Safety time
V Fuel valve
Z Ignition
CC1P7541en
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