DOMINATOR INSTALLATION AND OPERATION INSTRUCTIONS Page 3
RATINGS & CAPACITIES
Before undertaking the installation of the Dominator
Series boiler/water heater check the rating plate to
ensure that the unit has been sized properly for the job.
The "Net I=B=R Ratings" specify the equivalent amount
of direct copper radiation that the unit can supply under
normal conditions. Also ensure that the unit has been
set up for the type of gas available at the installation
site. Other important considerations are the availability
of an adequate electrical supply, fresh air for combustion
and a suitable chimney or vent system.
BOILER/WATER HEATER LOCATION
1. This boiler/water heater is suitable for indoor and
outdoor installations. Locate the boiler/water heater
in an area that provides good access to the unit.
Servicing may require the removal of jacket panels.
Allow the minimum clearances between adjacent
construction and the boiler/water heater as listed in
Table 1.
NOTE: Service clearances are not mandatory, but
are recommended to ensure ease of service should
it be required.
Table 1
Clearance to Service
Combustibles Clearance
in mm in mm
Top 6 153 20 508
Back 6 153 24 610
Left Side 6 153 24 610
Right Side 6 153 24 610
Front 6 153 30 762
Flue 6 153
2. An optimum site will be level, central to the piping
system, close to a chimney or outside wall and have
adequate fresh air for combustion. Ensure that the
boiler/water heater is level from front to back and
from side to side. Use metal shims to level the
boiler/water heater. Electrical and electronic
components must also be protected from exposure
to water during operation and maintenance. DO
NOT install this boiler/water heater in a location that
would subject any of the gas ignition components
to direct contact with water or excessive moisture
during operation or servicing.
3. Ensure that the fl oor is structurally sound and will
support the weight of the boiler/water heater.
NOTE: The Dominator may be installed directly on
combustible fl ooring, but never on carpeting.
4. Locate the boiler/water heater in an area that will
prevent water damage to adjacent construction should
a leak occur or during routine maintenance. If such a
location doesn't exist, a suitable drain pan that's
adequately drained must be installed under the unit.
5. DO NOT place this boiler/water heater in a location
that would restrict the introduction of combustion air
into the unit or subject the air inlet to a negative
pressure, see “GENERAL VENTING GUIDELINES”.
WARNING: Never store combustible materials,
gasoline or any product containing fl ammable
vapors or liquids in the vicinity of the boiler/
water heater. Failure to comply with this warning
can result in an explosion or fire causing
extensive property damage, severe personal
injury or death!
6. NEVER place this boiler/water heater in a location
that would subject it to temperatures at or near
freezing. See the “Freeze Protection” section on
page 13.
CAUTION: Units installed outdoors MUST be
protected from ice and snow accumulation or the
unit may be damaged voiding the warranty!
COMBUSTION AIR & VENTILATION
WARNING: This boiler/water heater must be
supplied with combustion air in accordance with
Section 5.3, Air for Combustion & Ventilation, of
the latest revision of the National Fuel Gas Code,
ANSI Z223.1/NFPA 54 and all applicable local
building codes. Canadian installations must
comply with CSA B149.1 or .2 Installation Code
for Gas Burning Appliances and Equipment, or
applicable provisions of the local building codes.
Failure to provide adequate combustion air for
this boiler/water heater can result in excessive
levels of carbon monoxide which can result in
severe personal injury or death!
To operate properly and safely this boiler/water heater
requires a continuous supply of air for combustion.
NEVER store objects on or around the boiler/water
heater!
CAUTION: Combustion air contaminated with
fl uorocarbons or other halogenated compounds
such as cleaning solvents and refrigerants will
result in the formation of acids in the combustion
chamber. These acids will cause premature failure
of the boiler/water heater voiding the warranty!
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