LMG2...系列燃氣燃燒器控制器 品牌：SIEMENS（西門子） 產地：德國 產品介紹 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 型號表 型號 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 等待時間 t1 預吹掃時間 TSA 點火安全時間 t3 預點火時間 t3n 后點火時間 t4 電磁閥1到電磁閥2的間隔時間，或電磁閥1到比例控制開始的間隔時間 t10 空氣壓力信號建立時間 t11 伺服馬達程序打開時間 t12 伺服馬達程序關閉時間 技術參數(shù) 主要參數(shù) 主電壓 AC220V -15%+10% 主頻率 50...60Hz ±6% 外部保險絲 10A 功率 12VA 重量 160g 保護等級 IP40 環(huán)境條件 運輸環(huán)境 IEC 721-3-2 內部條件 class 2K2 溫度范圍 -40...+60ºC 濕度 <95% 運行環(huán)境 IEC 721-3-3 內部條件 class 3K5 機械條件 class 2M2 溫度范圍 -20...+60ºC 濕度 <95% 不得進水