Landis & Gyr Lal2.25 Control Box

What is the Landis & Gyr LAL2.25 Control Box?

The LAL2.25 is a flame safety control box for mainly controlling and monitoring gas and oil burners. It was created by reliable Swiss company Landis & Gyr (a subsidiary of Siemens Building Technologies). This model is for single or multi-stage burners, both intermittent and continuous burning.

Its main purpose is to monitor flame existence and provide safe burner operation. Should any fault be sensed—like flame loss, ignition difficulties, or valve trouble—the control box can cause a safety shutdown to avert dangerous situations and equipment damage.

Most Notable Aspects of the LAL2.25 Control Box

Sophisticated Flame Supervision
Uses UV or ionization flame detectors to monitor flame existence and quality constantly.

Simultaneous Burner Capability
Adaptable for use with single-stage and two-stage oil or gas burners with or without pre-purge.

Built-in Safety Features
When there is flame loss or malfunctioning ignition, the control box causes a lockout to prevent unburnt fuel from entering the combustion chamber.

Lockout Indicator and Manual Reset
An external lockout indicator enables easy manual reset and troubleshooting without disassembly.

Flexible Voltage Operation
Operates effectively in nominal 220–240V AC systems prevailing in industrial settings.

Solid-State Reliability
Designed with rugged elements that can sustain severe conditions, such as heat and vibration common in burner control rooms.

Compact Design
The compact and modular design of the control box is simple to install or change in cramped burner enclosures.

How It Works

The LAL2.25 functions via a programmed ignition sequence. When activated, the box performs a self-test, followed by a pre-purge of the combustion chamber (if equipped). It will then ignite and check for flame presence via connected sensors.

If the flame is found within the specified safety time, the box enables continued burner operation. If not, it will stop the sequence and go into lockout, indicating a fault condition.

This smart sequencing eliminates misfiring and boosts overall burner safety.

Applications of the Landis & Gyr LAL2.25 Control Box

Industrial Boilers: Provides smooth burning in heavy-duty boilers found in manufacturing facilities and power plants.

Commercial Burners: Trustworthy performance in building heating systems, hot water plants, and HVAC systems.

Food and Chemical Processing: Reliable operation in process burners where temperature control is paramount.

Textile and Paper Industry: Accurate flame control enhances efficiency and lowers operating risks during high-temperature operations.

Why the LAL2.25?

Improved Safety: Fault automatic lockout prevents fuel leaks and accidents.

Tested Durability: Withstands the rigors of time and environment, with low maintenance cost.

Global Acceptance: Standardized and utilized worldwide, easy replacement and servicing.

Easy Installation and Servicing: Its plug-and-play design is ideal for retrofits as well as new installations.