Best installation conditions
Below are some factors to consider for best installation conditions:
Install the boiler in areas where the combustion air source is not subject to chemical fouling or
agricultural vapors. Exposure to corrosive chemical fumes such as chlorinated and/or
fluorinated hydrocarbons can reduce the life of a boiler. See list of known contaminants on the
Important safety instructions on page 3
. For this reason, do not use the indoor air venting
option (using air surrounding the boiler) in a laundry room. Similarly, ensure any direct vent air
source is not near a clothes dryer exhaust terminal. Avoid agricultural applications where the
boiler and/or the intake air source are affected by ammonia and/or dust.
Avoid installing a boiler where water leakage will cause damage; for example, above
carpeting. If unavoidable, install a suitable drain pan under the appliance.
Vent location
- An important consideration is managing the impact of the steam plume
typical of a condensing boiler's exhaust terminal. Generally, intake and exhaust pipes should
terminate at a rooftop or sterile wall location to maximize customer satisfaction. Keep exhaust
plumes well away from all building air intakes including those of neighboring properties. Refer
to
and
in
Sidewall vent termination on page 29
.
The minimum clearance requirements for combustible materials (see
).
For adequate servicing, we recommend a minimum 24" clearance at the front and 12" above
the boiler. Check local codes for additional access and service clearance requirements.
At a new construction site, or when renovating:
Protect the boiler from drywall dust or other construction related contaminants.
Ensure combustion air is drawn from a
clean
source (e.g., outdoors).
Isolate the boiler from interior dust sources.
3.4 Mounting the boiler
You must attach fasteners to solid material capable of supporting the combined weight of the boiler
and piping assembly components. The SL40-399 boiler weight – without water, system piping and
components – is approximately 240 lbs/ 110 kg.
Warning
Do not mount the appliance to hollow wall structures
- The combined weight of the
boiler, its water content and associated piping components can exceed 300 pounds.
Fasteners must be rated for this strain, and must be firmly anchored into solid material
that will support this weight. Installers must take necessary precautions to avoid injury
during the installation of this boiler.
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Best installation conditions
Summary of Contents for SL Series
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Page 12: ...Figure 5 Top view SL 40 399 G3 Figure 6 Bottom view SL 40 399 G3 8 Section Specifications...
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Page 64: ...Figure 40 Electric wiring connections 60 Section Installation...
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Page 110: ...Internal wiring diagram Figure 46 Internal wiring diagram 106 Section Appendices...
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