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COMBUSTION
AIR
Provision for combustion
and ventilation air must be in
accordance
with Section 5.3, "Air for Combustion
and
Ventilation", of the National Fuel Gas Code. ANSI Z223.1
latest revision,
and applicable
provisions
of the local
building
codes.
Consult
the code
books
or boiler
manufacturer for specific requirements.
WARNING
ENOUGH AIR ENSURES PROPER
COMBUSTION
AND ASSURES THAT
NO HAZARD WlLL DEVELOP DUE TO
THELACK
OF OXYGEN
CHIMNEY
AND
VENT
PIPE
CONNECTION
This is a very important part of the heating system. It must
be clean, the right size, properly constructed and in GOOD
CONDITION.
No boiler can function properly with a bad
chimney. See Page 16 for specific venting instructions.
The flue pipe should be the same size as draft hood outlet
from boiler to flue collector. See Page 4 for typical chimney
size. Maintain a minimum upward slope of 1/4 inch per
linear foot from boiler to the chimney Fasten joints together
with sheet metal screws to prevent sagging.
MINIMUM
VENT
PIPE
CLEARANCE
If the vent pipe must go through a crawl space, double walt
vent pipe should be used. Where vent passes through a
combustible walt or partition, use a ventilated metal thimble.
The thimble should be 4 inches larger in diameter than
vent pipe. If boiler is installed with single wall galvanized
type vent pipe, it must have 6 inches clearance between
its surface and any combustible material. If UL listed type
B (Insulated) vent pipe is used, clearance between it and
combustible material to be as listed by pipe manufacturer.
FOR INSTALLATION
ON NON-COMBUSTIBLE
FLOORS ONLY, MINIMUM CLEARANCES TO
COMBUSTIBLE
CONSTRUCTION
ARE.
LOCATING
THE BOILER
Locate the boiler on a level, non-combustible
foundation
as near chimney or flue as possible. Allow 24 inches at
front and sides of boiler for servicing and cleaning. When
installed in a utility room, the door should be wide enough
to allow the largest
boiler parts to enter, or permit
replacement of any other appliance in the same room.
When the boiler is installed over a room below, or over
electrical wiring or cables of any kind, or if the concrete
floor is "green," or water is channeled under the concrete,
the installing contractor must provide a ventilated foundation
for the boiler.
The boiler shall be installed such that the automatic gas
ignition system components
are protected
from water
(dripping, spraying, rain, etc.) during appliance operation
and service (condensate trap, control replacement, etc.)
INSTALLATION
This boiler is designed to provide a wide capacity range
with multiple burner modules, each equipped with its own
set of controls. For purposes of orientation, the manifold
side of the boiler is considered the front, The end sections
are so designed that the controls may be mounted on either
the left or right end. These instructions are written for the
assembling
of the boiler starting with the left side and
working to the right side.
If the boiler is to be used as a steam boiler and connected
to another steam boiler, the factory designed water lines of
the two boilers must be of equal height above the floor
level.
Boilers with Inputs above 500,000 BTU Per Hour are made
up of a combination of the 300,000,400,000
and 500,000
BTU Per Hour Input Module Bases. Each base is equipped
with its own gas valve and gas ignition system.
When connecting the cold water supply to the boiler, make
sure that a clean water supply is available. When the water
supply is from a welt, a sand strainer should be installed at
the pump.
Top ......................................................
54 inches
Front ........................................................
Alcove
Flue Connector .....................................
6 inches
Rear ....................................................
18 inches
Sides ...................................................
18 inches
Greater
clearances
for access should supersede
fire
protection clearances.
6
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