Weil-McLain Gold CGi 2 Series Manual page 10

CGi
GOLD GAS-FIRED WATER BOILER — SERIES 2 —
1e
Prepare boiler location — air openings
Combustion air opening location and sizing
requirements depend on the clearances around
the boiler.
✷
Figure 1a, page 7.
If all clearances are at least equal to Figure 1a,
page 7
, apply the sizing and placement of openings
given on pages 10 and 11.
If ANY clearance is less than Figure 1a, page 7
you must provide air openings sized and located as
shown in Figure 1b, page 7.
and location information shown on page 10 or 11.
Air openings must be provided
Combustion air and ventilation openings must comply the National Fuel
Gas Code ANSI Z223.1 – latest edition, or applicable local building codes.
Canadian installations must comply with B149.1 or B149.2 Installation
Codes.
Provide adequate combustion and ventilation air to
assure proper combustion and reduce the risk of severe
personal injury, death or substantial property damage
caused by flue gas spillage and carbon monoxide
emissions.
Air opening options
Two openings — Air supply from inside the building
unusually tight construction
1. If the building is of
building must also be provided with air openings directly
page), the
to the outside
, sized and located per Figure 3, Figure 4 or Figure 5.
2. Buildings of typical construction should provide adequate combustion
air from natural infiltration, so additional air openings to the building
are not required.
3. See Figure 2. Provide two openings
12 inches of the ceiling and the floor, sized per Figure 2.
Two openings — Air supply directly from outside
1. Air openings must be directly through an outside wall, or into a space
that connects directly to the outside (such as a ventilated attic or crawl
space, for example).
Openings directly through an outside wall
2. See Figure 3 —
two openings
within 12 inches of the ceiling and the floor, sized per
Figure 3.
Air supplied through vertical ducts
3. See Figure 4 —
openings
terminated within 12 inches of the ceiling and the floor, sized
per Figure 4.
Air supplied through horizontal ducts
4. See Figure 5 —
two openings
within 12 inches of the floor and the ceiling, sized per
Figure 5.
10
Check the boiler placement compared to
DO NOT
apply the sizing
(see definition, next
through the interior wall, within
— provide
Boiler Manual
Figure 2
✷
,
Figure 3
✷
Figure 4
✷
✷
✷
Figure 5
✷
— provide
two
— provide
Air openings to interior spaces
Air directly through outside wall
Air from outdoors — vertical ducts
Air from outdoors — horizontal ducts
Part Number 550-110-710/1211