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viessmann vitola biferral BD code
AA603
Member Posts: 4
Has anyone seen this before don’t know much about these boilers
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What control is telling you that? I ran the same boiler for 12 years or so before I switched to a wall hanger. Do you have the manual?0
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Vitotronic 300 control has anyone ever seen this BD code?0
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Here are the Vitotronic 200-H Installation & Service Instructions:
https://www.viessmann-us.com/content/dam/vi-brands/CA/pdfs/doc/nr2/vitotronic_200h-hk1mis.pdf/_jcr_content/renditions/original.media_file.inline.file/file.pdf
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0 -
new guy. there are several ways to post a photo. If you can get it on your phone and open up Heating help.com on your phone, you can click here
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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The control is a vitotronic 300 The customer can’t locate the manual, later this evening I’m gonna try to find the manual on line hopefully in English. I’m fairly new to the heating industry and I’ve seem to come across a quite challenging one0
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It seems that there is a communication problem with a mixing valve.
Here is the manual for the 300:
https://www.viessmann-us.com/content/dam/vi-brands/CA/pdfs/doc/nr2/vitotronic_300-gw2_is.pdf/_jcr_content/renditions/original.media_file.inline.file/file.pdf
8.33 lbs./gal. x 60 min./hr. x 20°ΔT = 10,000 BTU's/hour
Two btu per sq ft for degree difference for a slab0 -
I always pick the wrong one when someone double posts. Darn!
Edward Young Retired
After you make that expensive repair and you still have the same problem, What will you check next?
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Ed that was rather forward for a gentleman like you0
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Thank you guys so much I’m gonna dig into this this morning0
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