New furnace ( kuuma vapor fire 100) and new member here.

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R Henderson

New Member
Oct 23, 2024
5
Southeast Missouri
Just finished installing the stove pipe tonight and probably going to build a fire tomorrow. Southeast Missouri here warmer than normal highs this week in low to mid 60s but want to ventilate during its first burn. Long-time lurker on here (how I found out about the kuuma actually) it's heating a ranch style 2600 sq ft. With full basement and replacing a victor wood furnace that was found to be cracked in a large area it was in service nearly 50 years original to when the house was built by my grandfather. Had a new 6" insulated flexible stainless installed before last burning season. I'll try uploading some pics and welcome any pointers or suggestions as I'm sure this will be a learning curve from the antique I was using before.
[Hearth.com] New furnace ( kuuma vapor fire 100) and new member here.
[Hearth.com] New furnace ( kuuma vapor fire 100) and new member here.
[Hearth.com] New furnace ( kuuma vapor fire 100) and new member here.
[Hearth.com] New furnace ( kuuma vapor fire 100) and new member here.
 
Congrats RH, looks like a clean install!
 
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Ok I lit the first fire at 1:10 this afternoon house was 60-62 it took about 8 minutes to go from "C" to "3" on the computer at 1:38 the blower kicked on and has been running constant as of now 4:40 pm. It went to "2" about a half hour later then to "1" shortly after. It has been back at 3 for probably 30-40 minutes pic currently below. I have left the computer on low the whole time. The coals in pic are from the starting pieces and I raked them forward.

By 3pm I had no smoke or visible vapor from chimney. The barometric damper would jiggle slightly every little bit, weather outside is mid to upper 50s but breezy.

My question or more concern now is when the blower kicked on it seems awfully loud is it possible it kicked high speed on instead of low speed? I can hear it upstairs and by the registers.
[Hearth.com] New furnace ( kuuma vapor fire 100) and new member here.
 
Was your thermostat calling for heat? If so that kicks the blower to high.
I leave mine off so the blower stays on low all the time.
 
Was your thermostat calling for heat? If so that kicks the blower to high.
I leave mine off so the blower stays on low all the time.
I have not installed the room thermostat I am just using the computer control. I'm not sure if it hurts to run without it. I'm wondering if I wired something wrong possibly. Other than that I loaded 4 more pieces house is at 70 and still climbing basement is even pretty warm. So far first fire I am happy with it just have to learn it.
 
Also double check that the white button on the high limit thermostat is pulled out to auto. When it is pushed in to manual the blower will also run on high.
Yes I checked it again and right before I fired it up. I did have to move it to the rear left corner because my AC A coil is in the plenum. However I spoke with lammpa and they said it would be alright.
 
Push the white button in, see if the speed picks up, if not then something must be wired wrong, or maybe the high limit switch is just set too low?