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Read this manual carefully before installing the boiler or putting it into operation. This manual must be retained
for future reference. If the information in this manual is not followed exactly, a fire or explosion may result causing
property/product damage, serious personal injury and possibly death. Make sure all the requirements detailed in this
manual are understood and completed.
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Professional licensed heating contractor
The assembly, installation, adjustment,
service and maintenance of this boiler must
be performed by a professional licensed
heating contractor.
Boiler Documentation
Make sure to read all documentation
related to the product before starting the
installation. The product documentation
should be stored near the boiler where it
can be accessed for future reference.
Advice for the owner
When the installation has been completed, the
heating contractor has to familiarize the operator/
owner with the installed equipment as well as any
safety precautions and requirements, and shut-down
procedures. The heating contractor also needs to
inform the operator/owner of the need for professional
annual servicing of the boiler prior to the heating
season.
Contaminated air
Chemicals can contaminate the air and
cause by-products during the combustion
process. These by-products are poisonous
to the occupants and very destructive to De
Dietrich boilers.
Carbon monoxide
Flue products can flow into living spaces if
improperly installed, adjusted, serviced or
maintained. The flue gases contain carbon
monoxide which is poisonous.
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Safety and Warranty Information
Symbols used
Indicates the presence of a hazardous situation which, if ignored, will result in
DANGER
death, serious injury or substantial product/property damage.
Indicates a potentially hazardous situation which, if ignored, can result in danger,
WARNING
serious injury or substantial product/property damage.
Indicates a potentially hazardous situation which, if ignored, may result in minor
CAUTION
injury or product/property damage.
More
Indicates recommendations made by De Dietrich for the installers which reference
Information
other pages or chapters in this or another manual.
Best
Indicates recommendations made by De Dietrich for the installers which help to
Practices
ensure optimum operation and longevity of the equipment.
MCA Pro 45/65/90/115
Fresh air
Adequate ventilation and combustion air must be
provided for the equipment as it requires fresh air for
safe operation. Make sure the equipment is installed
ensuring an adequate supply of fresh air.
Boiler venting
Always operate the boiler with an
installed vent system. Carbon monoxide
poisoning can be caused by an improperly
installed vent system. All combustion
products must be vented safely to the
outdoors.
Warranty
The information in this manual and any
other related manuals must be read and
proper procedures followed.
Warranty
The warranty is rendered null and void
if the procedures are not followed as
prescribed.
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Some products may not be exactly as
illustrated. Information contained herein is
deemed as accurate as possible. Clarification of
material supply, pipe sizing, thread type, and
typographical errors should be noted as soon
as possible. Dimensions have been converted
from the Metric standard. Fractional rounding
may affect dimensional tolerances.
MCA-Pro ISM Rv.4.1 2/2017
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