LMG2...系列燃气燃烧器控制器 品牌：SIEMENS（西门子） 产地：德国 产品介绍 Burner controls of the LMG... range are used for the startup and supervision of singleor 2-stage gas or gas / oil burners in intermittent operation. The flame is supervised with an ionisation probe or UV flame detector QRA... (with ancillary unit AGQ2...A27). LMG21... / LMG22... in the same housing replace burner controls LGB21... / LGB22...(refer to Type summary) and, using the adapters, burner controls LFI7... and LFM1...(refer to Ordering). • Detection of undervoltages • Air pressure supervision with functional test of air pressure monitor during startup and operation • Electrical remote reset • Display of error code and flame signal by LEDs in the lockout reset button • Accurate program sequence owing to the digital processing of signals • LMG49... for atmospheric gas burners 型号表 型号 tw/s t1/s TSA/s t3n/s t3/s t4/s t10/s t11/s t12/s LMG21.130A27 2.5 7 3 2 2 8 5 - - LMG21.230A27 2.5 20 3 2 2 8 5 - - LMG21.330A27 2.5 30 3 2 2 8 5 - - LMG21.350A27 2.5 30 5 4 2 10 5 - - LMG21.550A27 2.5 50 5 4 2 10 5 - - LMG22.130A27 2.5 7 3 2 3 8 3 12 12 LMG22.230A27 2.5 20 3 2 3 8 3 16.5 16.5 LMG22.233A27 2.5 20 3 2 3 8 3 30 30 LMG22.330A27 2.5 30 3 2 3 8 3 12 11 LMG25.230A27 2.5 20 3 2 2 8 5 - - LMG25.330A27 2.5 30 5 4 2 10 5 - - LMG25.350A27 2.5 30 5 4 2 10 5 - - LMG49.030B27 2.5 1 3 2 0.5 0.5 - - - tw 等待时间 t1 预吹扫时间 TSA 点火安全时间 t3 预点火时间 t3n 后点火时间 t4 电磁阀1到电磁阀2的间隔时间，或电磁阀1到比例控制开始的间隔时间 t10 空气压力信号建立时间 t11 伺服马达程序打开时间 t12 伺服马达程序关闭时间 技术参数 主要参数 主电压 AC220V -15%+10% 主频率 50...60Hz ±6% 外部保险丝 10A 功率 12VA 重量 160g 保护等级 IP40 环境条件 运输环境 IEC 721-3-2 内部条件 class 2K2 温度范围 -40...+60ºC 湿度 <95% 运行环境 IEC 721-3-3 内部条件 class 3K5 机械条件 class 2M2 温度范围 -20...+60ºC 湿度 <95% 不得进水