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VII. Venting
A. Install vent system in accordance with local building
codes; or local authority having jurisdiction; or
National Fuel Gas Code, ANSI Z223.1/NFPA 54, Part
7, Venting of Equipment and/or CAN/CSA B149.1
Installation Codes. Install any of the following for this
Independence Series Category I, draft hood equipped
appliance:
1. Type B or Type L gas vent. Install in accordance
with listing and manufacturer's instructions.
2. Masonry or metal chimney. Build and install in
accordance with local building codes; or local
authority having jurisdiction; or Standard for
Chimneys, Fireplaces, Vents, and Solid Fuel
Burning Appliances, ANSI/NFPA 211 and/or
National Building Code of Canada.
Masonry chimney must be lined with approved clay
ue lining or listed chimney lining system except as
provided in ANSI Z223.1/NFPA 54, Paragraph
7.5.4(a): Exception: Where permitted by the
authority having jurisdiction, existing chimneys
shall be permitted to have their use continued when
an appliance is replaced by an appliance of similar
type, input rating, and efciency.
3. Single wall metal vent. Allowed by ANSI Z223.1/
NFPA 54 under very restrictive conditions.
B. Inspect chimney and remove any obstructions or
restrictions. Clean chimney if previously used for solid
or liquid fuel-burning appliances or replaces.
DANGER
Inspect existing chimney before installing boiler.
Failure to clean or replace perforated pipe or tile
lining will cause severe injury or death.
C. Boiler Equipped With Vent Damper
1. Open Vent Damper Carton and remove Installation
Instructions. Read Installation Instructions
thoroughly before proceeding.
CAUTION
Do not use one vent damper to control two
heating appliances.
Provide adequate clearance for servicing -
6" minimum clearance between damper and
combustible construction.
NOTICE
DO NOT force the vent damper over the
rolled bead on the draft hood collar. The
vent damper should rest on the rolled bead.
Please refer to the specications,
installation instructions and trouble
shooting guide packed in the vent damper
carton for complete detailed installation
instructions.
2. Vent damper should be same size as draft hood
outlet. See Figure 1. Unpack vent damper carefully
- DO NOT FORCE CLOSED! Forcing vent
damper may damage gear train and void warranty.
Vent damper assembly includes pre-wired
connection harness with polarized plug for use on
all 24V standing pilot or intermittent ignition (EI)
control systems.
3. Mount vent damper assembly on draft hood without
modication to either (Refer to instructions packed
with vent damper for specic instructions). Vent
damper position indicator to be visible to users.
4. USA - Do not install Non-listed vent damper or
other obstruction in vent pipe.
Canada - Do not install Non-listed vent damper or
other obstruction in vent pipe.
WARNING
This appliance needs fresh air for safe operation and must be installed so there are provisions for
adequate combustion and ventilation air.
Read, understand and follow combustion air instruction restrictions contained in the Pre-Installation
instructions of this manual.
Do not operate appliance where gasoline or other ammable vapors or liquids, or sources of
hydrocarbons (i.e. bleaches, cleaners, chemicals, sprays, paint removers, fabric softeners, etc.) are
used, stored and/or present in the air.