Questions? Please Contact Your Local Manufacturer’s Representative
2-25
SECTION 2 EDR-SOLA-IOM-2022-0216 INSTALLATION
and during burner operation. Where manual louvers are used, ensure they
are fully open prior to operating the boiler(s).
10. A 90˚ elbow is recommended on the air inlet to prevent debris falling into
the cabinet.
Combustion Air Ducted from the Outdoors
The combustion air supply can be piped directly to the air inlet of the boiler.
Adhere to the following for installation:
1. An adapter (not supplied with boiler) may be required to connect the
boiler air inlet to the combustion air piping.
NOTE: The weight of combustion air intake piping must not be supported by the
boiler. Ensure air intake piping is externally supported on hangers or straps.
2. The air intake must be piped out of the building if the boiler room contains
contaminated air.
3. The combustion air intake termination must be located as to not be
subjected to the intake/exhaust eects of other mechanical equipment
such as other fuel-red heating equipment, loading docks, generators, air
handling systems, and cooling towers.
4. Ensure the boiler room air is maintained at a dew point temperature
below the temperature of the combustion air. Failure to provide adequate
ventilation or control dew point temperature may result in water or ice
build-up on the combustion air piping, leading to increased maintenance
or damage to boiler components.
5. The air intake system must be designed to prevent any moisture from
draining to the boiler. Slope the air intake duct down away from the boiler.
See Figure 24.
6. Air Intake pipes and ttings shall be Schedule 40 PVC pipe or smooth-
walled galvanized steel. All Schedule 40 PVC pipe, ttings, primer and
cement must conform to American National Standard Institute and the
American Society for Testing and Materials (ANSI/ASTM standards) per pipe
manufacturer’s requirements.
7. Intake PVC piping must be assembled using cement. This will ensure that
the intake is air tight and will not allow contaminates from the boiler room
into the boiler. The cement must be free owing and contain no lumps,
undissolved particles or any foreign matter that adversely aects the joint
strength or chemical resistance of the cement. The cement must not show
gelation, stratication, or separation that cannot be removed by stirring.
8. Adhere to procedure for cementing joints (per ASTM D2855).
9. Avoid sidewall exhaust with roof terminated intake air. This may lead to
reverse stack eect when the boiler is idle.
Combustion Air Filter
The air lter requires monthly maintenance and, at minimum, annual
replacement. See Maintenance section of this manual.
! WARNING
Fulton accepts no liability for installation
of any venting, including the selection of
venting materials. Maximum allowable
ue gas operating temperatures may
vary by manufacturer. Consult the
venting supplier for maximum allowable
temperatures.
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