Do you have a question about the VIGAS 25 Lambda Control and is the answer not in the manual?
Describes the AK4000 control system and its features.
Essential safety precautions for operating the AK4000 control unit.
Setting the maximum exhaust gas temperature to optimize fan speed and efficiency.
Adjusting the lambda value to control oxygen surplus for efficient burning.
Setting the minimum fan speed to control operation and shutdown.
Details the cause and solution for STB (overheating) failure.
Access to advanced service settings requiring a PIN.
Step-by-step guide for starting and operating the boiler.