Siemens LMV37.4 Series User Manual

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Building Technologies Basic documentation LMV37.4... CC1P7546en
7 Basic unit LMV37.4 17.12.2018
Modulating burner (without shutdown facility for adjustable head)
LO-2V
Program
P
max
M
P
min
1)
V1
1)
V2
Figure 52: Light oil direct ignition, modulating, without shutdown facility for adjustable head
Modulating burner (with shutdown facility for adjustable head)
LO-2V
Program
V1
P
max
M
P
min
V2
Figure 53: Light oil direct ignition, modulating, with shutdown facility for adjustable head
Light oil (transformer for direct ignition)
LO-2V
Figure 54: Light oil direct ignition – fuel valve control
Legend for fuel trains:
1) Series connection of two DC 115 V
valves
HO Heavy oil
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
Light oil direct ignition
modulating with 2 fuel valves
(Operating mode 12)
(Operating mode 12)
Fuel valve control

Siemens LMV37.4 Series Specifications

General

Brand	Siemens
Model	LMV37.4 Series
Category	Controller
Language	English