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SECTION 3 - FURNACE INSTALLATION
Careful planning and proper installation of the outdoor
wood furnace and the entire heating system are essential
for the ultimate in customer satisfaction and heating comfort
and efficiency. Be sure to read and observe all of the
following information in this section when installing the
furnace.
CAUTION
This wood furnace is not intended to be the only
source of heat. Should the system be left
unattended, run out of wood, or be in need of
service, a backup system should be in place to
prevent damage caused by freezing.
INSTALLATION CLEARANCES AND
PRECAUTIONS
•
The Classic is not intended or certified to be installed
inside a building.
•
If this outdoor wood furnace is used to heat potable
water that has any association with commercial food
preparation or heating milk-house hot water, it is
recommended that a double wall heat exchanger be
installed. Also, a check valve (backflow preventer)
must be installed in the line used to fill water into
the system.
NOTE: All installations and operations must be in
accordance with local and state codes which may
differ from the information in this manual.
1. Installation requirements for clearances to combustibles
are as follows:
•
18 inches from the back of the furnace.
•
6 inches from the sides of the furnace.
•
48 inches from the front of the furnace.
•
18 inches from the chimney connector.
•
The foundation must be noncombustible.
2. In higher populated areas, it is necessary to extend
the chimney to a height above the roofs of
surrounding buildings. All chimney extensions
should be insulated to prevent condensation from
entering the furnace firebox. When extending the
chimney, each section must be secured at each
connection joint with 4 screws to stabilize the
extension. The outer shell of each extension (that
covers the insulation) should also be fastened with 4
screws to increase stability. If extensions are added to
the standard 8 feet of chimney, a stabilizing brace or
other suitable support should be installed to ensure the
stability of the extended chimney.
If a chimney extension or chimney
NOTE:
replacement is desired, only use genuine Central
Boiler chimney components listed in the parts
section of this manual.
Section 3 - Furnace Installation
3. A nontoxic boiler-type antifreeze may be added to
prevent freezing if the furnace is to not be fired for
extended time periods in cold weather. If antifreeze
is used, be sure to adhere to all warnings and
precautions on the label of the product being used.
NOTE: Do not use automotive or RV types of
antifreeze. Water may be kept from freezing by
running the circulating pump(s) and drawing the
heat off the building being heated by the backup
heating system.
WARNING
Vent cap must fit loosely on the vent opening. Do
not force the cap down or try to seal it tightly onto
the vent pipe. Do not extend or restrict the vent
pipe or opening. DO NOT ALLOW THE FURNACE
TO PRESSURIZE.
4. An approved chimney spark arrestor is recommended
for all installations and is required if the furnace is
used in areas with high fire risk.
5. Installation of the furnace is to be performed by a
qualified installer.
6. The qualified installer must determine how to install
this supplementary furnace to be compatible with the
existing heating source.
7. Add Central Boiler Corrosion Inhibitor (p/n 165); then
if possible, fill the furnace with softened water.
8. If any installation questions arise that cannot be
answered by the information in this manual, be sure
to contact either your dealer or Central Boiler.
Fig. 6
Section
3
9
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