Siemens LMV27.100x2 User Manual

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Building Technologies Basic Documentation LMV27... CC1P7541en
2 System structure / function description 17.12.2018
2 System structure / function description
The LMV27 is a microprocessor-based burner management system with matching
system components for the control and supervision of forced draft burners of medium to
high capacity.
In the LMV27 are integrated:
 Burner management system complete with valve proving system
 Electronic air-fuel ratio control system for a maximum of 2 SQM3 or SQN1
actuators
 Modbus interface
Figure 4: System structure
Example: Modulating gas burner
The system components (AZL2, actuators) are connected directly to the LMV27. All
safety-related digital inputs and outputs of the LMV27 are monitored by a contact
feedback network.
The diagram shows the full scope of functions of the LMV27. The actual functions are to
be determined based on the respective execution / configuration!
2.1 For Europe
For intermittent operation in connection with the LMV27, the ionization probe or the
QRA, QRB or QRC optical flame detectors can be used.

Siemens LMV27.100x2 Specifications

General

Brand	Siemens
Model	LMV27.100x2
Category	Controller
Language	English