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The wiring?
casualrad
Member Posts: 12
Pipes freezing and I can't find a single contractor to take this job. I need to wire a propane burner on used boiler. Think somethings missing. Anyone willing to look at some pics and advise?
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Comments
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If you post some pictures and a clear explanation of the issue you are having, I am sure someone here will give it a look."If you can't explain it simply, you don't understand it well enough"
Albert Einstein0 -
I have a Honeywell s89f and another little box that the thermostats wires enter.
But I do not know where the circulator connects? What control do I need to set boiler temp? Is there another control module missing here?0 -
@casualrad
Did you check "find a contractor " on this site and post your location. This is not a diy project unless you know what your doing2 -
This is not going to be a "paint by numbers" project. Yours appears to be taken apart to the point where someone needs to go through it and make sure the safeties are wired correctly.
What area are you in where not a single contractor will look at it? Who swapped the boiler? What do the piping and venting look like?"If you can't explain it simply, you don't understand it well enough"
Albert Einstein0 -
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Who installed it? Can you post pictures of the whole system?"If you can't explain it simply, you don't understand it well enough"
Albert Einstein0 -
Friend with gas fitting licence but no more hydronic knowledge than anyone else around. I have the temp control that attaches to outgoing pipe. But he didn't even touch the controls for this.
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Your pump needs to be rotated 90 degrees so that the pump shaft is horizontal. I assume the pex runs are high going to high temp emitters?Steve Minnich0
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Iron rads0
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As a rule, i always set the vent connecter first. Then i assemble all the other stuff for easy access. This way, all the other pipes, controls and accessories that need to be serviced from time to time, will not be covered up by a 300° or higher vent pipe. The way things look now, your vent connector will be right in front of the expansion tank. Unless the white rapper is covering the chimney liner (I'm looking at the other large hole in the wall)
Correct the circulator configuration based on manufacturers instruction. Also you can look for the wiring diagram on one of the heating unit panels. Sometimes they are on a removable access door. Otherwise look on the web for the I/O manual for your model number of the propane heater. If you are handy and can read an electrical diagram, all the info you need is there. If you can't read and understand the diagram, then you need a pro.
Can't find a Pro on the "Find a contractor" link here, Then go the the plumbing and heating supply house in your area. Ask the counterman or the store manager who of their customer's understands boilers and or hydronics and does that kind of work?
BTW The pipe fitter has some things right... at least 18" of approach piping before the air scoop and the circulator is pumping away from the expansion tank. Thumbs up
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 vent pipe will actually rise in the middle of that 18 inch run. Keeping the tank and the shut off reasonably clear on each side. Kinda worked out well on that end.
I'll have to revisit the diagrams. Maybe more to learn there. 4 wiring set ups in the manual. None for propane burner. None match what's in front of me.0 -
Is this an oil boiler you are converting to gas with a gas power burner?0
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How was the size of the boiler chosen?0
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Was the burner previously installed on the boiler, if so how did it become unwired?
Doing a burner conversion is very technical. You need to be very well versed in combustion and be capable of tuning it with a combustion analyzer. This really is not a DIY job."If you can't explain it simply, you don't understand it well enough"
Albert Einstein2 -
If I could find a technician, I wouldn't be here. That simple.
I've figured (I think) that power and circulator both enter the same unit as the thermostat.
(The unit I have should probably be replaced with a new one that might include wiring instructions.)
From there, power continues to low water cutoff along with the water temp control. Then power will flow to burner unit.
Any more of the constructive opinions are most appreciated!0 -
If it should all be wired per manufactures instructions. If you are having trouble finding those you should be able to get them from the manufacture.
There is a specific way this needs to be setup. If you accidentally bipass a safety or setup the prepurge or interlock on the burner incorrectly you really can blow the whole thing up.
my “constructive” advise is to either follow the manufactures instruction to a T or hire a professional."If you can't explain it simply, you don't understand it well enough"
Albert Einstein0 -
I can't tell if this is what you have but here is the manual for a Heatwise burner for a Biasi boiler. Like has been said before if you are unsure what you are doing don't wing it and keep hunting down a pro.
http://qhtinc.com/wp-content/uploads/2018/02/QHTSU2AManual-1.pdf0 -
Where abouts in Ontario are you located? It is a big place.
You are correct, most HVAC contractors here and hydronic heating do not play well.Licensed Steamfitter.
Licensed Instrumentation & Control Technician.0 -
I'm near Woodstock/Cambridge. Called around as far as Simcoe.0
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