Yukon Oil Furnace Owner's Manual Page 14

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14
CAUTION
Do not use any smoke pipes less than 24 gauge between
furnace and chimney.
CONNECTING SMOKE PIPE
Set the smoke pipe end of the furnace as close to the chimney as
possible. For every foot of lateral pipe, the rise of the smoke pipe
toward the chimney must be at least one inch. Do not exceed 10
feet in length. A cleanout tee should be installed for removal of soot
and fly ash. (See Fig. 3, page 8)
Do not install the smoke pipe longer than necessary to reach the
chimney for purposes of trapping heat. The smoke outlet tempera-
ture is designed so that the heat emitted is needed to carry the by-
products of combustion out through the chimney.
The smoke pipe must not pass through any combustible material.
WARNING
No damper, heat saver or automatic vent damper device ex-
cept the barometric draft regulator should be installed in or
on the smoke pipe.
The smoke pipe entrance into a masonry chimney should be at
least 2 feet above the cleanout. The smoke pipe must not extend
into the chimney beyond the inner face of the chimney liner.
LESSER CLEARANCES TO COMBUSTIBLE
MATERIALS ALLOWED
This furnace is UL Listed thus requiring 18 inches from the smoke
pipe to a combustible surface. A reduction of 9 inches from a com-
bustible ceiling and 12 inches from a combustible wall is allowed if
the space is insulated according to NFPA 90B, table 6-5.1.2.
DO NOT CONNECT THIS FURNACE TO A CHIMNEY
SERVING ANOTHER APPLIANCE
The chimney should be no less than 8 inches inside diameter or
equal.
WARNING
Check your chimney. The chimney is a very important part
of your heating system. It must be the right size, properly
constructed and in good condition. No furnace can function
properly with a bad chimney. The chimney must supply a
draft of at least .03 Water Column. If possible, use a 15 foot
or higher chimney. Add an additional foot to the chimney for
each 1000 feet of elevation above sea level.
PROPER CHIMNEYS
The National Fire Protection Association (NFPA) requires that all
factory built chimneys be Listed and installed in accordance with
conditions of the Listing in the manufacturers instructions. NFPA
also requires that your chimney extend at least three (3) feet above
the highest point when it passes through the roof and at least two
(2) feet higher than any portion of the building within ten (10) feet of
the chimney.
Factory built chimneys must be what NFPA refers to in
NFPA 211 1-5.217.4* as Type HT. HT is an abbreviation meaning
high temperature.
Masonry Chimneys as referred to in NFPA 211 1-5.2.17.6, a field
constructed chimney of solid masonry units, bricks, stones, listed
masonry chimney units, or reinforced concrete that is lined with
suitable chimney flue liners and built with the provisions of Chapter
4 of this standard.
As described in NFPA 54 (National Fuel Gas Code) section 7.5.5.
(c) A Listed combination gas- and solid fuel appliance equipped
with a manual reset device to shut off gas to the main burner in the
event of flue gas spillage shall be permitted to be connected to a
single chimney flue. The chimney flue shall be sized to properly
vent the appliance.
All gas-solid fuel and oil-solid fuel combination furnaces in this
manual are Underwriters Laboratories (cULus) Listed for one (1)
flue.
Fig. 12
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