Landis & Gyr LFL1.333 Serie 02 Gas Oil Burner Control Box Unit 230V Controller

Burner Control Unit · New

LANDIS & GYR
LFL1.333

Burner Control Unit · 220-240V 50-60Hz · Prepurge 31s Safety 3s

Landis & Gyr LFL1.333 Serie 02 automatic burner control unit for medium to high capacity forced-draught gas and dual-fuel burners.

✅ EU Compliant

CE · CE-0085AP0001 · DIN Rg.5F091/95 · ÖVE

COMBUSTION AUTOMATION

Precise sequence control
for industrial burners

The LFL1.333 sequence controller governs and supervises forced-draught burners of expanding flame and interrupted pilot designs. It provides fully automatic startup sequencing with a 31-second prepurge period and 3-second safety timing, maintaining safe flame supervision during all burner operating cycles.

Product Details

At a glance.

Product Information

Brand

LANDIS & GYR

Model / MPN

LFL1.333

Production Code

0011020041

Condition

New

Manufacturer Warranty

1 Year (to be verified)

Material

Flame-retardant plastic

Key Features & Benefits

Key
features.

🏭

OEM Manufacturer Specification

Direct drop-in replacement

Factory-calibrated Landis & Gyr LFL1.333 Serie 02 matching standard plug-in base dimensions and wiring configurations.
✓

Calibrated Timing Sequences

31s prepurge and 3s safety response

Features fixed mechanical cam program timing ensuring required purge volume before ignition and rapid lockout upon flame failure.
🛡️

Certified Combustion Safety

DIN-DVGW and CE compliant

Tested under DIN Rg.5F091/95 and CE-0085AP0001 for forced-draught gas, oil, and dual-fuel combustion equipment.
🔥

Universal Flame Detection Interface

Ionisation and UV cell compatible

Supports flame supervision using ionisation electrodes or compatible UV flame detectors for continuous monitoring.
✓

Visual Operational Indicator

Integrated status window

Front-facing viewing window displays sequence position and diagnostic indicator symbols during operation and lockout.
🛡️

Industrial Housing Construction

Robust thermal resistance

Built from impact-resistant, high-grade plastic designed to withstand demanding boiler room ambient conditions.

Technical Data

Detailed Specifications.

Supply Voltage 220-240V AC
Mains Frequency 50-60 Hz
Power Consumption 3.5 VA
Series Serie 02
Prepurge Time (tv) 31 s
Safety Time (ts) 3 s
Unit Fuse Rating T 6.3H 250V (to be verified)
⚠️ To be verified
Input Current Rating 4A (total 5A)
Flame Detector Compatibility QRA2 / QRA10 / Ionisation probe (to be verified)
⚠️ To be verified
Operating Temperature Range -20 to +60 °C (to be verified)
⚠️ To be verified
Protection Standard IP40 (to be verified)
⚠️ To be verified
Housing Material Impact-proof heat-resistant plastic
Application Medium to high capacity gas, oil or dual-fuel burners
Control Type Electromechanical sequence controller
Mounting Base Plug-in base AGM (to be verified)
⚠️ To be verified

Applications & Compatibility

Where it excels.

→ Replacement of worn sequence controller on industrial gas burners
→ Maintenance overhaul of dual-fuel commercial heating systems
→ Direct exchange on Landis & Gyr / Siemens LFL1 series bases
→ Installation on forced-draught oil and gas combustion plants

⚠️ Not suitable for

✕ Installation by non-qualified persons (gas and electrical safety regulations)
✕ Atmospheric residential gas boilers without forced draft
✕ Direct current (DC) power supplies

Landis Gyr LFL1.333 · LFL1.333 Serie 02 · burner control box · gas burner sequence controller · Siemens Landis Staefa LFL1 · combustion control unit 230V · relais flamme Landis Gyr · boîte de contrôle brûleur · Feuerungsautomat LFL1.333 · Gasbrenner Steuergerät

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