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8
1 Determine boiler location
The Outdoor Knight gas manifold and
controls met safe lighting and other
performance criteria when the boiler
underwent tests specified in ANSI Z21.13
– latest edition.
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.
NOTICE
Outdoor Knight Boiler Installation & Operation Manual
Outdoor models must be installed outdoors
only and must use the outdoor vent kit
assembly supplied by the manufacturer.
Personal injury or product damage may
result if any other cap 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 situation.
ƽ WARNING
Before locating the boiler, check:
1. Check for nearby connection to:
• Water piping
• Gas supply piping
• Electrical power
2. - Keep venting areas free of obstructions.
- Keep area clean and free of combustible and flammable
materials.
- To avoid a blocked air inlet or blocked flue condition,
keep the outdoor air inlet and flue outlet clear of leaves,
debris, etc.
CAUTION
Do not install outdoor models directly
on the ground. You must install the
outdoor unit on a concrete, brick, block or
pressure-treated wood platform.
3. Check area around the boiler. Remove any combustible
materials, gasoline and other flammable liquids.
Failure to keep the boiler area clear and free
of combustible materials, gasoline and other
flammable liquids and vapors can result in
severe personal injury, death or substantial
property damage.
ƽ WARNING
Do not locate unit so that high winds can
deflect off of adjacent walls, buildings
or shrubbery causing recirculation.
Recirculation of flue 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.
The outdoor unit must not be installed in
an area that is enclosed by walls or a fence
that will block free wind movement around
the unit. Free movement of wind around
the outdoor unit is required to carry away
the flue products and provide combustion
air. The flue 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 flue products into the
combustion air inlet. Recirculation of flue
products may cause operational problems,
bad combustion or non-warrantable damage
to controls.
ƽ CAUTION
- Do not install the outdoor unit under a
deck.
- Do not install an outdoor 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 could
result in severe personal injury, death or
substantial property damage.
ƽ WARNING
CAUTION
- Do not install outdoor units in locations
where rain from building runoff drains
will spill onto the unit.
- Do not locate the outdoor unit so that
water from sprinklers may spray directly
onto it. Water may damage controls or
other electrical components.
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.
• Lack of freeze protection in boiler water causing system
and boiler to freeze and leak.
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.
CAUTION