This is a thread for us Harman Pb105 owners. To Compare our settings, any isses we have and offer help to those that have had issues that you have had and resolved. First Lets state what we have our settings on Max Temp 175 Min Temp 140 Auto Ignite Feed Rate 4.5 Dip Switches OFF ON ON(Factory Default) How many pellets are you burning a day? Right now roughly 1 bag a little more. Mostly heating hot water and a few hours of heat a day. What size is your home? 2000 SQ Foot Do you have out door sensor hooked up? If not why? Do you have outside air kit installed? How long have you owned your PB105 Problems? Right now i get alot of smoke on start up, to the point my neighbors think we are on fire. and feel im burning more pellets than i should.