The following table shows the links to videos showing you how to enable the Maximum and Minimum output mode

 

MakeModelImageMaximum modeMinimum mode
GlowwormUltracomVideoVideo
IntergasXclusive / XtremeVideoVideo
IntergasRpid, HRE and ECOhttps://www.youtube.com/watch?v=HVnn4n4hi10https://www.youtube.com/watch?v=HVnn4n4hi10
MainCombi EcovideoVideo
VaillantVaillant Ecotec (Pre 2012)VideoVideo
VaillantVaillant Ecotec (Post 2012) New TypeVideoVideo
ViessmannNew Type with WifiVideoVideo
Worcester BoschGreenstar iVideoVideo

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