Siemens AZL21.00A9 Display & Operating Unit

Display and Operating Unit For LMV Controllers and LFS1 Flame Safeguard

Siemens Part Number: BPZ:AZL21.00A9

The AZL23 display and operating units are designed for use with the LFS1 flame safeguard, the LME39 / LMO39 burner controls and the LMV2 and LMV3 burner management systems, either directly on the burner or in control panels installed close to the burner.

• The units are used for the display, operation and parameterisation of specific safety and non-safety-related burner functions
• Key plant data and fault codes can be queried and displayed
• Communication between AZL2 and the flame safeguard / burner control takes place via the BCI interface

Specifications

This unit is rated to IP54 when mounted.

Listed below is the full scope of functions of the AZL21.00A9 units.

The specific functions and operating philosophy must be determined based on the type of flame safeguard and burner control used.

• Housing of modern design made of recyclable plastic
• Designed to be wall mounted
• IP40
• Flame-resistant housing material
• Display of operating states, program phases and fault codes
• Setting of parameters and ratio curves
• 8-digit LCD with bars
• LCD with backlit display (support dependent on respective flame safeguard /
• burner control)
• 5 multifunction buttons with reset facility
• BCI interface
• Prepared for extra fault indication via LED (on request)
• Backup function / restore function with specific types of flame safeguards / burner controls (on request)