Table Of Contents - Siemens LGB21.130A17 Datasheet

Table of Contents

Warning Notes2
Mounting Notes2
Installation Notes2
Electrical Connection Of Flame Detectors3
Commissioning Notes3
Standards And Certificates4
Mechanical Design5
Type Summary5
Ordering6
Technical Data7
General Unit Data7
Environmental Conditions7
Flame Supervision8
Connection Of Transformer8
Flame Supervision With Blue-Flame Detector9
Uv Detector Qra10
Auxiliary Unit10
Legend10
Preconditions For Burner Startup11
Undervoltages11
Reversed Polarity Protection11
Startup Sequence11
Postignition Time12
Interval12
Second Safety Time12
Specified Time For Air Pressure Signal12
Control Sequence In The Event Of Fault13
Lockout13
Lockout And Control Sequence Indication13
Connection Diagrams14
Internal Diagram And Time Diagram Of The Programming Mechanisms19
Dimensions22