Siemens LMV27 Series Burner Management Controls
Product Description
Siemens Burner Controls LMV27 Series
Siemens LMV27 Series is a microprocessor-based burner management system engineered for the safe sequencing, operation, and flame supervision of industrial forced-draft burners using gas or oil. It is designed for single-fuel burners operating in intermittent mode.
The LMV27.100A2 integrates electronic fuel-air ratio control, burner safety functions, and gas valve proving within a single control platform. With support for up to two compatible SQM3 or SQN1 actuators, it enables coordinated positioning of combustion air and fuel control components in industrial boiler and heating applications.
Key Features
- Microprocessor-controlled burner management and safety sequencing
- Designed for single-fuel gas or oil burners in intermittent operation
- Integrated electronic fuel-air ratio control
- Supports up to two SQM3 or SQN1 actuators
- Integrated gas valve proving function
- Flame supervision with compatible QRA2, QRA4, QRA10, QRB, QRC or ionization detectors
- Modbus communication using the OCI412.10 interface
- Burner Communication Interface (BCI) for external display or PC connection
- Parameter configuration using AZL2 display units or Siemens ACS410 software
Industrial Applications
Siemens LMV27 is intended for burner OEM manufacturers and qualified system integrators. Typical applications include:
- Industrial steam boiler systems
- Industrial gas burner installations
- Industrial oil burner installations
- Industrial process heating equipment
- Forced-draft combustion systems
- Burners requiring coordinated fuel and combustion air control
Compatible System Components
- Display Units: Siemens AZL21 and AZL23
- Actuators: Siemens SQM33 and SQN1 Series
- Flame Detectors: QRA2, QRA4, QRA10, QRB, QRC and ionization probes, depending on the application
- PC Software: Siemens ACS410
- Communication Interfaces: OCI410 for PC connection and OCI412.10 for Modbus
Available Model
- LMV27.100A2: AC 230 V, European parameter set, gas safety time 3 seconds and oil safety time 5 seconds
Selection Guidance: Confirm the supply voltage, burner fuel type, flame detector, actuator compatibility, operating sequence and safety requirements before installation. Configuration and commissioning must be carried out by qualified personnel in accordance with Siemens technical documentation.
Specifications
Siemens LMV27 Technical Specifications
| Brand | Siemens |
|---|---|
| Product Series | LMV27 Series |
| Reference Model | LMV27.100A2 |
| Product Type | Burner Management System |
| Control Technology | Microprocessor-based |
| Fuel Type | Gas / Oil (Single-fuel Burner) |
| Operating Mode | Intermittent Operation |
| Supply Voltage | AC 230 V (-15% / +10%) |
| Frequency | 50 / 60 Hz ±6% |
| Power Consumption | <30 W (Typical) |
| Fuel/Air Ratio Control | Electronic |
| Maximum Actuators | 2 |
| Compatible Actuators | SQM3... / SQN1... |
| Gas Valve Proving | Integrated |
| Flame Detectors | QRA2 / QRA4 / QRA10 / QRB / QRC / Ionization Probe |
| Safety Time (Gas) | 3 seconds |
| Safety Time (Oil) | 5 seconds |
| Communication | BCI / Modbus via OCI412.10 |
| Display Units | AZL21 / AZL23 |
| Configuration Software | Siemens ACS410 |
| Interfaces | OCI410 / OCI412.10 |
| Protection Rating | IP00 (Basic Unit) |
| Required Installation Protection | IP40 |
| Operating Temperature | -20 to +60 °C |
| Relative Humidity | <95% RH (Non-condensing) |
| Internal Fuse | 6.3 AT |
| Maximum External Fuse | 16 AT |
| Applicable Standards | EN 298, EN 1643, EN 12067-2, EN 13611 |
Available Model Specifications
| Model | Supply Voltage | Parameter Set | Safety Time (Gas) | Safety Time (Oil) |
|---|---|---|---|---|
| LMV27.100A2 | AC 230 V (-15% / +10%) | European | 3 s | 5 s |
Technical Note: Specifications refer to Siemens Datasheet CC1N7541en for LMV27.100A2. The burner or boiler manufacturer must ensure IP40 protection through suitable installation. Component compatibility and commissioning settings must be verified against the applicable Siemens documentation.
Product Specifications
Siemens LMV27 Technical Specifications
| Brand | Siemens |
|---|---|
| Product Series | LMV27 Series |
| Reference Model | LMV27.100A2 |
| Product Type | Burner Management System |
| Control Technology | Microprocessor-based |
| Fuel Type | Gas / Oil (Single-fuel Burner) |
| Operating Mode | Intermittent Operation |
| Supply Voltage | AC 230 V (-15% / +10%) |
| Frequency | 50 / 60 Hz ±6% |
| Power Consumption | <30 W (Typical) |
| Fuel/Air Ratio Control | Electronic |
| Maximum Actuators | 2 |
| Compatible Actuators | SQM3... / SQN1... |
| Gas Valve Proving | Integrated |
| Flame Detectors | QRA2 / QRA4 / QRA10 / QRB / QRC / Ionization Probe |
| Safety Time (Gas) | 3 seconds |
| Safety Time (Oil) | 5 seconds |
| Communication | BCI / Modbus via OCI412.10 |
| Display Units | AZL21 / AZL23 |
| Configuration Software | Siemens ACS410 |
| Interfaces | OCI410 / OCI412.10 |
| Protection Rating | IP00 (Basic Unit) |
| Required Installation Protection | IP40 |
| Operating Temperature | -20 to +60 °C |
| Relative Humidity | <95% RH (Non-condensing) |
| Internal Fuse | 6.3 AT |
| Maximum External Fuse | 16 AT |
| Applicable Standards | EN 298, EN 1643, EN 12067-2, EN 13611 |
Available Model Specifications
| Model | Supply Voltage | Parameter Set | Safety Time (Gas) | Safety Time (Oil) |
|---|---|---|---|---|
| LMV27.100A2 | AC 230 V (-15% / +10%) | European | 3 s | 5 s |
Technical Note: Specifications refer to Siemens Datasheet CC1N7541en for LMV27.100A2. The burner or boiler manufacturer must ensure IP40 protection through suitable installation. Component compatibility and commissioning settings must be verified against the applicable Siemens documentation.
Company Information
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