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The Outdoor Knight XL gas manifold
and controls met safe lighting and other
performance criteria when the boiler
underwent tests specifi ed in ANSI Z21.13
– latest edition.
Do not install the unit under a deck.
Do not install the unit in a well, stairwell,
alcove, courtyard or other recessed area.
Do not install outdoor units on stack
frames. Failure to comply with the above
may result in severe personal injury, death
or substantial property damage.
Installation must comply with:
• Local, state, provincial, and national codes, laws,
regulations, and ordinances.
• National Fuel Gas Code, ANSI Z223.1 – latest edition.
• Standard for Controls and Safety Devices for Automatically
Fired Boilers, ANSI/ASME CSD-1, when required.
• National Electrical Code.
Before locating the boiler, check:
1. Check for nearby connection to:
• System water piping
• Gas supply piping
• Electrical power
2. - Keep venting areas free of obstructions.
- Keep area clean and free of combustible and fl ammable
materials.
- To avoid a blocked air inlet or blocked fl ue condition,
keep the outdoor air inlet and fl ue outlet clear or leaves,
debris, etc.
4. If a new boiler will replace an existing boiler, check for
and correct system problems, such as:
• System leaks causing oxygen corrosion or heat exchanger
cracks from hard water deposits.
• Incorrectly-sized expansion tank.
• This unit is not intended for installations where
temperatures may reach below 32°F (0°C). Exposure to
freezing temperatures will cause the system and boiler
to freeze and leak.
ƽ WARNING
NOTICE
1 Determine boiler location
Do not install outdoor models directly on
the ground. You must install the outdoor
unit on a level concrete, brick, block, or
pressure-treated wood platform.
Do not locate unit so that high winds
can defl ect off of adjacent walls, buildings
or shrubbery causing recirculation.
Recirculation of fl ue products may cause
operational problems, bad combustion or
damage to controls. Locate unit at least
3 feet (0.91m) from any wall or vertical
surface to prevent wind conditions from
affecting performance.
CAUTION
ƽ CAUTION
3. Check area around the boiler. Remove any combustible
materials, gasoline and other fl ammable liquids.
Outdoor Knight XL Installation & Operation Manual
Outdoor models must be installed outdoors
only and must use the outdoor vent
assembly supplied by the manufacturer.
Personal injury or product damage may
result if any other venting is used or if an
outdoor model is used indoors. All covers,
doors and jacket panels must be properly
installed to ensure proper operation and
prevent a hazardous condition.
ƽ WARNING
ƽ WARNING
The unit must not be installed in an area
that is enclosed by walls or a fence that
will block free wind movement around
the appliance. Free movement of wind
around the outdoor unit is required
to carry away the fl ue products and
provide combustion air. The fl ue outlet/
combustion air inlet of an outdoor unit
must not be installed closer than 10 feet
from an inside corner of an L-shaped
structure. Walls or enclosed fencing may
cause eddy currents which can recirculate
the fl ue products into the combustion
air inlet. Recirculation of fl ue products
may cause operational problems, bad
combustion or non-warrantable damage
to controls.
Locate the unit at least 3 feet (0.91m)
outside any overhang.
ƽ CAUTION
CAUTION
Do not install in locations where rain
from building runoff drains will spill onto
the unit.
Do not locate the unit so that water
from sprinklers may spray directly onto
it. Water may damage controls or other
electrical components.
Failure to keep boiler area clear and free
of combustible materials, gasoline, and
other fl ammable liquids and vapors can
result in severe personal injury, death, or
substantial property damage.
ƽ WARNING
This product contains a condensate
management and disposal system that
may be subject to freezing if exposed
to sustained temperatures below 32°F.
Precautions should be taken to protect the
condensate trap and drain lines during
extended periods of outdoor temperatures
below 32°F.