WOOD BOILER INSTRUCTIONS Page 11 Copyright © 2011 Seton Wood Boilers all rights reserved
Your SETON solid fuel boiler is designed to provide supplemental or central heating for your home.
This solid fuel boiler may be installed in conjunction with a boiler that is in proper operating condition
and meets all national and/or local building codes, safety standards, required controls, and has been in-
stalled in accordance with appropriate standards of the National Fire Protection Association and in ac-
cordance with the clearances specified on the boiler nameplate.
Installation of the SETON boiler should be accomplished by a qualified heating contractor (one who is
engaged in and is responsible for, or is thoroughly familiar with the installation and operation of gas, oil,
and solid fuel burning heating appliances, who is experienced in such work and familiar with all the re-
quirements of the authority having jurisdiction.) The installation shall be in strict accordance with the
manufacturer’s installation instructions furnished with the solid fuel boiler.
The chimney connector of the boiler is to be installed to provide clearances to combustible materials not
less than specified in the individual classifications and marked on the furnace. The chimney suitable for
use with residential type or building heating appliances which burn solid fuel.
The boiler is designed to operate in either a parallel arrangement with the central boiler or as a boiler by
itself.
BOILER DESCRIPTION & INSTALLATION OPTIONS
CAUTION
BOILER UNITS ARE HEAVY!
THE B-90 WEIGHS 2,400 LBS.
THE B-130 WEIGHS 3,000 LBS.
THE B-180 WEIGHS 3,800 LBS.
MAKE SURE YOU HAVE PROPER EQUIPMENT OR SUFFICIENT
MANPOWER TO PREVENT INJURY WHEN DELIVERING AND LOCATING UNITS.
Assuming a 96% to 99% combustion efficiency, which is available with the combustion temperatures we
achieve as long as the chimney is drawing enough air into the draft. Our exhaust temperature indicates a
84% to 90% thermal transfer efficiency. The boiler actually operates as a condensing state during parts of
the charge cycle. The first cycle after charging is usually condensing because the exchanger tries to re-
move too much heat and combustion temperatures are not achieved with cold wood. After that each cycle
rapidly climbs to 1600+ degrees F. fire box temperature. The exhaust stays below 400 degrees unless the
draft is too strong. I recommend .05 inches water column or more for a draft. After the initial firing, with
each charge the fire reaches a steady state that is very efficient and very clean if the wood is not under-
sized. Large amounts of very small wood or lumber scraps will release too much gas for the amount of
available draft and will make an incomplete burn and will make creosote in the back of the boiler on the
boiler tubes.
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