A.O. Smith GPVX 75L Series, Инструкция по установке и эксплуатации

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100271597 23
TERMINATION CLEARANCES SIDEWALL POWER VENT
Note:
The following figure and table are intended to illustrate clearance requirements, and do not serve as a substitute
for locally adopted installation codes.
FIXED
CLOSED
INSIDE CORNER
DETAIL
OPERABLE
FIXED
CLOSED
OPERABLE
GAS METER / REGULA
TOR
VENT TERMINAL
AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
V
X
X
V
V
V
V
V
V
V
V
V
B
B
B
B
B
J
A
K
M
F
B
L
D
I
X
G
A
C
E
H
Figure 23
Power Vent Terminal Clearances (uses room air for combustion)
A
above grade, veranda, porch, deck
or balcony
300mm (12 in.) H
to each side of center line extended
above meter/regulator assembly
910mm (36 in.)
horizontally from the
vertical center line of
the regulator vent outlet
to a maximum vertical
distance of 4.5m (15 ft.)
B
to window or door that may be
opened
300mm (12 in.) I to service regulator vent outlet 910mm (36 in.)
C to permanently closed window 0mm (0 in.) J
to a non mechanical air supply inlet
into building or combustion air inlet
to any other appliance
300mm (12 in.)
D
Vertical clearance to ventilated soffit
located above the terminal within a
horizontal distance of 2 ft. from the
center line of the terminal
300mm (12 in.) K to a mechanical air supply inlet 1.83m (6 ft.)
E to unventilated soffit 300mm (12 in.) L
above paved sidewalk or paved
driveway located on public property
2.13m (7 ft.)†
F to outside corner 610mm (24 in.) M
under veranda, porch, deck, or
balcony
300mm (12 in.)‡
G to inside corner 450mm (18 in.)
In accordance with the current “Natural Gas and Propane Installation Code” B149.1:
† 1. Where local experience indicates condensate is a problem with Category IV appliances, the vent shall not terminate:
•
over public walkways; or
•
near soffit vents or crawl space vents or other areas where condensate or vapor could create a nuisance or hazard or cause property
damage; or
•
where condensate vapor could cause damage or could be detrimental to the operation of regulators, relief valves or other equipment.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
A vent shall not terminate where it may cause hazardous frost or ice accumulation on adjacent property surfaces.