Siemens LDU11.323A27 230v Burner Control Box Econex_VSC Fail-safe spring-return closure on power

Fail-safe spring-return closure on power loss (< 0

and they can be used for air upon request

operation and parameterisation of specific safety and non-safety-related burner functions

Honeywell MMG 810

Air damper open signal during pre-purge: 36

Siemens LDU11.323A27 230v Burner Control Box Econex_VSC Fail-safe spring-return closure on powerSiemens LDU11. 323 A27 230V Siemens Part Number: BPZ: LDU11. 323 Overview The LDU11. 323A27 control box valve proving system is designed for use with shutoff valves in connection with gas burners and gas appliances. In the event of inadmissible leakage, the system prevents the burner from starting up. The LDU11. 323A27 system conforms to the requirements of EN1643 covering automatic shutoff valves for use with gas burners and gas appliances to EN161.