Slant/Fin VSL-160B, Руководство по установке

Страница: 45 / 108

45
10.10 - Single pipe
vent (not sealed
combustion)
WARNING!!!
When
utilizing the single pipe method,
provisions for combustion
and ventilation air must be
in accordance with Air for
Combustion and Ventilation, of
the latest edition of the National
Fuel Gas Code, ANSI Z223.1,
in Canada, the latest edition of
CGA Standard B149 Installation
Code for Gas Burning Appliances
and Equipment, or applicable
provisions of the local building
codes.
Commercial applications utilizing this
boiler may be installed with a single
pipe carrying the fl ue products to the
outside while using combustion air from
the equipment room. In this case the
following conditions and considerations
must be followed.
WARNING!!!
The
equipment room MUST be
provided with properly sized
openings to assure adequate
combustion air from outside.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
• There will be a noticeable increase
in the noise level during normal
operation from the inlet air opening.
• Vent system and terminations must
comply with the venting instructions
set forth in sections 10.1, 10.2,
10.3, 10.4, 10.5, 10.7, 10.8 and
10.9.
WARNING!!!
Use only the
materials, vent systems, and
terminations listed in Tables
10-1 and 10-2. DO NOT mix vent
systems of different types or
manufacturers, unless listed in
this manual. Failure to comply
could result in severe personal
injury, death, or substantial
property damage.
WARNING!!!
Fire danger
due to fl ammable materials or
liquids. Do not store fl ammable
materials and liquids in the
immediate vicinity of the boiler.
WARNING!!!
Boiler
must be clear and free from
combustible materials, gasoline
and other fl ammable vapors and
liquids, and corrosive liquids
and vapors. Never use chlorine
and hydrocarbon containing
chemicals (such as spray
chemicals, solution and cleaning
agents, paints, glues etc.) in the
vicinity of the boiler. Do not store
and use these chemicals in the
boiler room. Avoid excessive dust
formation and build-up.
WARNING!!!
Where exhaust
fans, clothes dryers, and kitchen
ventilation systems interfere
with the operation of appliances,
makeup air shall be provided.
NOTICE Installation must comply with
local requirements and with the National
Fuel Gas Code, ANSI Z223.1 for U.S.
installations or CSA B149.1 for Canadian
installations.
For installation in Canada, vent pipe
system must be certifi ed to ULC-S636 (see
Table 10-1).
NOTICE All vent pipes connections
must be secured following manufacturer
instruction, properly supported, and the
exhaust must be pitched a minimum of a
1/4 inch per foot back to the boiler (to allow
drainage of condensate).
10.10.1 - Combustion Air
and Ventilation openings
WARNING!!!
Make sure that
combustion air and ventilation
openings are suffi ciently sized
and no reduction or closure of
openings takes place. Please
note these restrictions and its
dangers to the operator of the
boiler and to the homeowner.
Failure to comply could result in
severe personal injury, death, or
substantial property damage.
Outdoor combustion air shall be provided
through opening(s) to the outdoors. The
minimum dimension of air openings shall
not be less than 3 in. (80 mm) diameter.
Two Permanent Openings Method.
Two permanent openings, one
commencing within 12 in. (300 mm)
of the top and one commencing within
12 in. (300 mm) of the bottom, of the
room shall be provided. The openings
shall communicate directly, or by ducts,
with the outdoors or spaces that freely
communicate with the outdoors, as
follows:
1. Where directly communicating with the
outdoors or where communicating to
the outdoors through vertical ducts,
each opening shall have a minimum
free area of 1 in2 each 4000 Btu/hr
(550 mm2/kW) of total input rating of
all appliances located in the room.
2. Where communicating with the
outdoors through horizontal ducts,
each opening shall have a minimum
free area of 1 in2 each 2000 Btu/hr
(1100 mm2/kW) of total input rating of
all appliances located in the room.
One Permanent Opening Method. One
permanent opening, commencing within
12 in. (300 mm) of the top of the room,
shall be provided. The appliances shall
have clearances of at least 1 in. (25 mm)
from the sides and back and 6 in. (150
mm) from the front of the appliance.
The opening shall directIy communicate
with the outdoors or shall communicate
through a vertical or horizontal duct
to the outdoors or spaces that freely
communicate with the outdoors and shall
have a minimum free area of 1 in2 each
3000 Btu/hr (700 mm2 /kW) of the total
input rating of all appliances located in
the room
10 - INSTALLATION - Vent and combustion air