Find great deals for Buderus Logamatic R so Heizungsregelung. Shop with confidence on eBay!. The R is a microprocessor-based control for use with hydronic heating systems. The R features weather compensation for maximum comfort and fuel. Buy New or Surplus BUDERUS (LOGAMATIC BOILER CONTROL 30% FUEL USAGE REDUCTION) parts. Radwell also repairs BUDERUS
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Results 1 to 5 of 5. Buderus Logamatic burner no start when boiler cold. Thread Tools Show Printable Version. Buderus Logamatic burner no start when boiler cold Greetings folks. Here’s a good one! I am buverus a Buderus Logamatic with a Riello R40 burner that I maintain, and all runs well, normally.
Buderus Logamatic R so Heizungsregelung | eBay
Boiler is a Buderus Periodically, when the temp of the boiler drops to around 80 degrees, fall 50 degree nights after 70 degree days the Logamatic appears to experience a “cold” lockout and will not fire up the burner. Not much thermal load is needed at these times.
The circulators continue to run continuously, the flame appears on the LCD screen, the relay clicks, but no power to the burner. The boiler temperature continues to fall to ambient temperature around 60 degrees.
Eventually buderrus display will read Burner error. Burner does not fire up in manual mode either. Powering down and back up makes no difference.
Adjusting the aquastat knob on the does not help either. Logamatic turns on, burner relay clicks, flame comes on LCD, and no power to the burner! Yes, the connections are tight!!
Buderus Logamatic burner no start when boiler cold
I then short out the two end wires on the high limit shutdown box to the left of the aquastat knob. Immediately the burner fires up! I keep the wires shorted until the boiler reaches a temp of about degrees.
Them I have to force the burner on again buderjs get the boiler temp to about Note that this only occurs a few times a year as well!! Can someone tell me what’s up with this? It really seems like a “cold lockout”. I can’t find budeurs about this in the manuals.
I know about the safety high limit reset, but this is happening when cold!! I have found some similar posts but they seem to have had other causes biderus external aquastats, and DHW sensor issues. This has bjderus stumped! This forum requires that you wait 20 seconds between posts. Please try again in 50 seconds. Experience – knowing when to get the hell out of the way and plug your ears. Relay is good, as is burner motor.
Buderus Logamatic 2107 R2107 so Heizungsregelung
I am leaning to the high limit or aquastat that is causing a false cut off. Maybe something funky with capillary tube off the aquastat? Hopefully someone else has come across this. As stated above, we can’t give DIY repair advice, sorry. Rules For Equipment Owners. How long has this been installed? How long has it been doing these “antics”? buderys
Sounds like a bad connection if I didn’t know any better. The ‘s are reliable controls. General Discussion Pro’s Forum: Oil Burners Pro’s Forum: Building Science Discussions Pro’s Forum: Training and Education Pro’s Forum: Valves, Regulators, Filters, Etc. Power Quality Pro’s Forum: Getting Pumped for !
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