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2.4
LOCATION
I
This furnace
is not watertight
and is not designed
for I
outdoor
installation.
This furnace
shall be installed
in I
such a manner as to protect the electrical components
I
from water. Outdoor
installation will lead to hazardous I
electrical conditions and to premature furnace failure.
I
When installed in an horizontal position, the furnace may be
suspended by using an angle iron frame, as long as the total
weight of both the furnace and the frame are included in the
calculations.
Other methods of suspension
are acceptable.
When installed in the horizontal position, this furnace must
not
be
installed
on
combustible
flooring,
unless
the
approved sub-base is used (Model
KLASB0701DET).
The required minimum
clearances for this furnace
in all
positions are specified in Tables 7 and 8.
I
If this furnace
is installed
in an attic, it is important
to I
keep
insulation
at least 0.3 m (12") away
from
any I
furnace
openings.
Some
types of insulating
material l
may be combustible.
I
The unit must be installed in a location where the ambient
and return air temperature
is over 15°C (601=).
This
furnace
is approved
for
reduced
clearances
to
combustible
construction.
Therefore, it may be installed in a
closet or similar enclosure. As this unit may be installed as
an upftow, counter flow, or horizontal
furnace,
it may be
located in a basement, on the same level as the area to be
heated, suspended,
or in a crawlspace.
In any case, the unit
should always be installed level.
In a basement,
or when
installed
on the floor (as in a
crawlspace),
it is recommended
that the unit be installed on
a concrete pad that is 2.5 cm to 5.0 cm (1" to 2") thick.
When
installed
in the counter flow position,
this furnace
must not be installed on combustible
flooring,
unless the
approved
sub-base
is used
(Model
# KLASB0601DET).
Since the flue pipe is in counter flow position, be sure that
the
clearances
from
the
flue
pipe
to
combustible
construction
are maintained. Also, it is recommended
to use
the
flue
pipe
protection
kit
KLADC0101 DET
or
KLADC0201DET.
Please
refer
to the Figure
1 and the
installation instructions included with the kit.
The furnace should be located as closely as possible to the
chimney or vent in order to keep vent connections short and
direct. The furnace should also be located near the centre of
the air distribution system.
2.4.1
Air for combustion
and ventilation
This furnace should be installed in a location
in which the
facilities for ventilation permit satisfactory
combustion of oil,
proper
venting
and
the
maintenance
of
ambient
temperatures
at safe limits under normal conditions of use.
The location should not interfere with the proper circulation
of air within the confined space.
Refer to the CAN/CSA-B139
installation code for complete
regulations, and for guidance on retrofit applications.
When
this
furnace
is installed
in a
closet
or similar
enclosure,
2
ventilation
openings
are
required
for
combustion
air. The openings should be located about 15.2
cm (6") from the top and the bottom of the enclosure at the
front
of the
furnace.
Table
1 indicates
the
minimum
dimensions
required
for
each
of these
two
ventilation
openings.
Table 1 : Minimum dimensions
required in ventilation
openings
Input
(BTU/h)
75,000 - 105,000
120,000 - 155,000
Width
45.72 cm (18")
50.80 cm (20")
Height
20.32 cm (8")
25.40 cm (10")
Figure 1 : Counterflow
position, flue pipe protection
KLADC0101DET/
KLADC0201 DET
DNS-0278
Rev. A
I Do not
block
the
combustion
air openings
in the
furnace.
Any
blockage
will
result
in
improper
combustion
and may result in a fire hazard and/or cause
bodily harm.
The barometric
draft regulator
included with the furnace,
shall be installed
in the same
room or enclosure
as the
furnace, in such a manner as to prevent any difference
in
pressure
between
the regulator
and the combustion
air
supply.
Air requirements
for the operation
of exhaust fans, kitchen
ventilation
systems, clothes dryers, and fireplaces
shall be
considered
in determining
the adequacy
of the space to
provide combustion air requirements.
In unconfined
spaces,
in buildings
of conventional
frame,
brick or stone construction,
infiltration may be adequate to
provide air for combustion,
ventilation
and dilution of flue
gases. This determination
must be made on an individual
installation
basis and
must
take
into consideration
the
overall
volume
of the unconfined
space,
the number
of
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