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2. BOILER PLACEMENT & ASSEMBLY
A. PACKAGED BOILER
1. Remove the crate top and sides and remove any
loose cartons.
2. Lift the boiler from the crate pallet. Move the boiler to
the location determined in Chapter 1: Pre-installation.
3. VENTING
A. CHIMNEY OR VENT
1. Inspect the existing chimney or vent system. Make
sure it is in good condition. Inspect chimney liner
and repair or replace if necessary.
2. The vent system and installation must be in
accordance with Venting of Equipment chapter of
the current edition of the National Fuel Gas Code,
ANSI Z223.1/NFPA 54, or applicable provisions of
the local building codes.
3. Chimney/Vent Operation: The vent system must be
sized and installed to provide the draft needed to
remove all combustion products. If the vent system
does not provide enough draft, combustion products
will spill into the building from the draft hood relief
opening. If spillage of combustion products occurs,
check the vent system, the combustion and
ventilation openings and make sure the boiler room
is never under negative pressure.
WARNING
Failure to provide adequate venting can result in
severe personal injury or death.
4. Vent Connection to Boiler:
a. Support the weight of the vent system
independently of the boiler draft hood. The draft
hood is not designed to carry structural loading.
b. Provide support of the vent connector
(breeching) at maximum 12 foot intervals to
prevent sagging and to provide a minimum
upward slope of 1/4" per foot.
c. Do not connect the vent for this boiler into any
vent system which operates with positive
pressure.
INSTALLATION AND OPERATING INSTRUCTIONS
NOTICE
Be careful not to damage the burner tray when
removing the boiler from the pallet. If necessary,
remove the burner tray before moving the boiler.
3. Proceed to Chapter 3: Venting.
d. The vent connector must be single wall steel or
Type B double wall vent pipe. The vent
connector must be Type B double wall if it is
located in or passes through cold areas. The vent
connector must extend into, but not beyond, the
inside wall of the chimney.
B. AUTOMATIC VENT DAMPER
INSTALLATION – GENERAL
1. Do not use one vent damper to control two or more
heating appliances. See Figure 3.1.
Figure 3.1: Venting Multiple Appliances
2. Follow these and the installation instructions
included with the vent damper. Observe the cautions
and warnings that accompany all instructions.
3. Provide minimum 6 inch (152 mm) clearance
between automatic vent damper and combustible
construction. Increase clearance if required by vent
damper manufacturer's instructions. Provide
adequate space for vent damper access and service.
7
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