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General| Brand | Siemens |
|---|---|
| Model | LME21.130A2 |
| Frequency | 50/60 Hz |
| Number of Inputs | 1 |
| Number of Outputs | 1 |
| Mounting type | DIN rail |
| Protection degree | IP20 |
| Temperature Range | -25 to +60 °C |
| Trip class | 10 |
Guidance on achieving disturbance- and loss-free signal transmission for flame detectors, including cable routing and insulation.
Details safety checks required during commissioning and maintenance, including burner startup and simulated failures.
Explains multicolor LED indication for status and faults, and transmission of diagnostics via OCI400/ACS410.
Details detector voltage, switching thresholds, detector current, and short-circuit current for flame supervision using an ionization probe.
Details specifications for flame supervision using UV detector QRA... and ancillary unit AGQ3...A27.
Details detector current requirements and indications for flame supervision with QRC... blue flame detector on LME23... models.
Lists required conditions for burner startup, including burner control reset, contact closure, no undervoltage, and flame detector state.
Describes shutdown and restart behavior based on mains voltage levels for LME41... and LME44... models.
Details the lockout behavior when live and neutral conductors are mixed up for ionization probe.
Details the response to various fault causes like mains failure, undervoltage, extraneous light, and loss of flame.
Explains how to reset the burner control after a lockout condition using the lockout reset button.
Describes the limitation of flame establishment repetitions (max 3) before lockout for specific LME models.
Explains the use of the multicolor signal lamp (LED) for visual diagnostics and status indication.
Explains how to activate visual and interface diagnostics using the lockout reset button and interpret error codes from LED blinks.
