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WARNING
Poisonous carbon monoxide gas hazard.
Never install a hand operated damper in the vent pipe.
However, any Underwriters Laboratories listed, electrically
operated automatic type vent damper may be installed if
desired. Be sure to follow the instructions provided with
vent damper. Also, read and follow all instructions in this
section of the manual.
Failure to properly vent this furnace or other appliances
can result in death, bodily injury and/or property damage.
2.5.1 Masonry chimney
This furnace can be vented into an existing masonry chimney.
However, the unit must not be vented into a chimney into which
a solid fuel burning furnace is already being vented.
Before venting this furnace into a chimney, its condition must
be checked and repairs made, if necessary. Also, the chimney
lining and dimensions must conform to local and national
codes.
2.5.2 Factory Built Chimneys
Oil fired furnaces are approved for use with "L" type vents. The
unit may also be used with an approved chimney of proper
dimensions and temperature ratings as specified in the
installation code. Refer to chimney manufacturer's instructions
for proper installation.
2.5.3 Draft Regulator
It is recommended that a draft regulator be installed in cases
where the draft is either high or variable due to external
conditions. Follow the instructions provided with the regulator.
2.5.4 Side-wall Venting
The heating unit is approved for side-wall venting. This system
is comprised of a model VTK-54 / VTK-098 / KLAVT0101DET
side-wall venter and a 4" insulated vent pipe, model IFV-410 /
IFV098-10
/
KLAFV0101DET,
KLAFV0201DET. Refer to the installation instructions provided
with the venting system.
2.6 BLOCKED VENT SHUT-OFF DEVICE (BVSO)
FOR CHIMNEY VENTING
CAUTION
It is imperative that this device be installed by a qualified
service technician.
A positive pressure venting system (Sealed Combustion
System or Direct Vent) MUST NOT use the BVSO. Follow the
instructions supplied with the venting system.
This device is designed to detect the insufficient evacuation of
combustion gases in the event of a vent blockage. In such a
case the thermal switch will shut down the oil burner. The
device will then need to be re-armed MANUALLY.
IFV-420
/
IFV098-20
/
Refer to the detailed instructions and wiring diagrams
supplied with the BVSO for the installation and wiring
procedures. The length of wires supplied with the unit is
such that the safety device must be installed between the
flue outlet of the appliance and the draft regulator, as
indicated in the instructions.
It is also essential that the BVSO be maintained annually.
For more details refer to the instructions supplied with the
device itself, as well as Section 3 of this Manual.
2.6.1 BVSO Performance Test
The purpose of the following test is to check that the
electrical outlet on the furnace, designated to the BVSO,
is functional.
1.
Start up the burner;
2.
Remove the three-pole plug from the BVSO outlet on
the furnace;
3.
The burner must shut-off immediately, while the
blower continues to run to the end of the cool-down
cycle.
If the test is not in line with the above, call a QUALIFIED
SERVICE TECHNICIAN.
2.7
COMBUSTION AIR SUPPLY
AND VENTILATION
WARNING
Poisonous carbon monoxide gas hazard.
Comply with NFPA 31 (U.S.) and CSA B139 (Canada)
standards
for
the
installation
Equipment and applicable provisions of local building
codes to provide combustion and ventilation air.
Failure
to
provide
ventilation air can result in death, bodily injury and/or
property damage.
Oil furnaces must have an adequate supply of combustion
air. It is common practice to assume that older homes
have sufficient infiltration to accommodate the combustion
air
requirement
for
the
improvements such as new windows, doors, and weather
stripping have drastically reduced the volume of air
infiltration into the home.
Refer to oil furnace installation codes relative to
combustion and ventilation air requirements. Consult
Section 2.1 in this manual, specifically for units installed in
an enclosed space.
Home air exhausters are common. Bathroom and kitchen
fans, power vented clothes dryers and water heaters all
tend to create a negative pressure condition in the home.
Should this occur the chimney becomes less and less
effective and can easily downdraft. In certain cases,
mechanically supplied air, by way of a blower, interlocked
with the unit, is necessary. It is the installer's responsibility
to check that.
6
of
Oil
Burning
adequate
combustion
furnace.
However,
home
and
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