16
2.4
SIDEWALL VENTING
When fitted with vent terminals, the Avenger can vent up to 100 equivalent feet. Elbows can range from 7 to 19 feet in equivalent length
depending on centerline radius. Refer to Table 3 for vent sizes.
Appliances may be installed with either a
horizontal sidewall vent
or
vertical roof top vent
. Use approved single wall or double wall
vent. Terminals can be standard 45 degrees elbows for both air intake and exhaust or 90 degrees elbows for both air intake and exhaust
for all models, except model ARP4000 which will only use 45 degrees elbows for both air intake and exhaust.
Periodically check to ensure that the vent terminal is unobstructed.
This venting system uses the appliance’s internal combustion air fan to force the flue products out horizontally.
The Avenger fan generates a positive pressure in the flue. Combustion air is drawn from the equipment room. Refer to local codes for
proper installation and location of vent terminals.
2.4.1
SIDEWALL VENT TERMINAL & SIDEWALL INTAKE AIR TERMINAL
•
The opening through the wall for installation of the sidewall vent terminal must provide an air space clearance of 1 inch (2.5 cm)
to combustible material around the flue pipe. The diameter of the opening for the air inlet will be the same as the nominal size
of the pipe.
•
Install the proper vent pipe to the approved vent terminal for Avenger boilers/water heaters.
•
Follow all requirements in the General Venting sections for venting flue products to the outdoors.
2.4.2
LOCATION OF A SIDEWALL VENT TERMINATION
•
The vent terminal shall terminate at least 3 feet (1 m) above any forced air inlet within 10 feet (3 m) horizontally.
•
The vent terminal MUST NOT terminate below a forced air intake at any distance.
•
Do not terminate the vent in a window well, stairwell, alcove, courtyard or other recessed area. The vent cannot terminate below
grade.
•
The vent shall not terminate near soffit vents or crawl space vents or other areas where condensate or vapor could create a
nuisance or hazard or cause property damage.
•
Do not terminate the vent where condensate or vapor could cause damage or could be detrimental to the operation of regulators,
relief valves or other equipment.
•
The vent shall not terminate over public walkways.
•
The vent system shall terminate at least 3 feet (1 m) above normal snow levels and least 7 feet (2.15 m) above grade when
located adjacent to public walkways.
•
The vent terminal shall not be installed closer than 3 feet (1 m) from an inside corner of an L-shaped structure.
•
The vent terminal should have a minimum clearance of 4 feet (1.25 m) horizontally from and in no case above or below, unless
a 4 foot (1.25 m) horizontal distance is maintained from electric meters, gas meters, regulators and relief equipment. In all cases,
local codes take precedence.
•
Flue gas condensate can freeze on exterior walls or on the vent terminal. Frozen condensate on the vent cap can result in a
blocked flue condition. Some discoloration to exterior building surfaces can be expected. Adjacent brick or masonry surfaces
should be protected with a rust-resistant sheet metal plate.
•
The vent shall not terminate where condensate vapor could cause damage or could be detrimental to the operation of regulators,
relief valves, or other equipment
Содержание Avenger Series
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Страница 35: ...30 Figure 21 Recommended Piping with Reverse Return and Variable Primary Flow...
Страница 80: ...75 PART 12 EXPLODED VIEW Note Some items may not be as shown AVENGER PARTS LIST Figure A JACKET ASSMEBLY...
Страница 84: ...79 Figure B BLOWER BURNER ASSEMBLY...
Страница 87: ...82 Figure C TYPICAL GAS TRAIN AR1000 AR3000 Figure D TYPICAL GAS TRAIN AR3500 AR4000...
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