American Hometec AHG-T42-LP, Инструкция по установке и эксплуатации

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Page 34
AIR INTAKE AND EXHAUST (VENT) SYSTEM
Improper venting of a water heater can result in excessive levels of Carbon
Monoxide which can result in severe injury or death!
This water heater must be vented in accordance with the “Venting of
Equipment” section of ANSI Z223.1 / NFPA 54 National Fuel Gas Code –
latest versions, or in Canada, the most recent version of CAN/CGA B149.1
Natural Gas and Propane Installation Code. In additional, all installations must completely
comply with all applicable local building codes. Failure to comply can result in equipment
failure, fire, personal injury or death!
Use only stainless steel vent materials with this model! Plastic vent
systems are not compatible and the failure of the vent system could
result in damage, equipment failure, personal injury or death.
INTAKE AND VENT PIPE INSTALLATION SPECIFICATIONS

For best results always minimize the length of the vent system. Keep the vent pipe routing
as short and straight as possible.

The water heater vent must not be combined with the vent from any other gas appliance or
vent stack.

The water heater vent must not be connected to a chimney.

You must use vent components that are certified for use with this water heater as indicated
within this manual. Do not combine components from multiple manufacturers.

Air intake pipe may be ABS, PVC, galvanized steel, corrugated aluminum or other materials
acceptable to local codes.

The heater requires a direct vent. Exhaust vent must be of AL 29-4C
®
Stainless Steel vent
directly to the outside of the building.

The exhaust vent will have been tested to meet
Underwriters Laboratories, Inc. to UL 1738 and ULC-
S636.

The system must use outside air for combustion. Ensure the incoming air is not
contaminated by any potential source of fumes or chemicals.

Avoid any dips or sags in horizontal pipe runs.

Ensure vent piping is supported every four (4) feet (horizontal runs) or six (6) feet (vertical
runs) or in accordance with local code requirements.

Do not reduce the diameter of the vent piping.