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The following requirements are provided for a safe
venting system:
a. Ensure that the chimney flue is clear of any dirt or
debris.
b. Ensure that the chimney is not servicing an open
fireplace.
c. Never reduce the pipe size below the outlet size of
the furnace.
d. All pipes should be supported using the proper
clamps and/or straps. These supports should be
at least every four (4) feet.
e. All horizontal runs of pipe should have at least a
1/4" per foot of upward slope.
f.
All runs of pipe be as short as possible with as few
turns as possible.
g. Seams should be tightly joined and checked for
leaks.
h. The flue pipe must not extend into the chimney
but be flush with the inside wall.
i.
The chimney must extend three (3) feet above the
highest point where it passes through a roof of a
building and at least two (2) feet higher than any
DNS-0640 Rev.A
2.5)
Venting instruction (Sealed
combustion system, SCS):
Refer to the SCS-4 Instruction manual.
2.6)
Oil burner:
This furnace is supplied with a high pressure
atomizing retention head type burner (for use with not
heavier than grade 2 Fuel Oil). The mounting flange is
fixed to the burner air tube and no adjustment is
required for insertion length.
FIGURE # 2
Pipe protections installation, (SCS only)
portion of a building within a horizontal distance of
ten (10) feet. It shall also be extended at lest five
(5) feet above the highest connected equipment
flue collar.
j.
Check local codes for any variance.
Factory Built Chimneys:
May use listed factory built chimneys.
chimney
manufacturer's
installation.
2.4)
Air inlet and flue outlet pipes
protections
system only):
At air inlet and flue outlet pipe location, install the pipe
protections as shown on figure # 2.
Oil Connections:
Complete instructions for installation of the fuel oil
piping will be found in the oil burner installation
instructions included with the furnace.
Oil line entry holes are produced in the side panels.
Two holes are provided in each location, so that a two-
pipe system may be used if desired.
A 10 micron (or less) oil filter should be used with all
oil burners, installed as close as possible to the
burner.
Refer to
instructions
for
proper
(sealed
combustion
7
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