Termination Clearances Sidewall Power Vent - Smith BTF-80 SERIES 210 Installation And Operating Manual

TERMINATION CLEARANCES SIDEWALL POWER VENT

D
E
V
B
V
L
Vent terminal clearances for "Power Vent" installations. Power Vent confi gurations use room air for combustion.
A Clearance above grade,
veranda, porch, deck, or
balcony
B Clearance to window or
door that may be opened
C Clearance to permanently
closed window
D Vertical clearance to
ventilated soffi t located
above the terminal within
a horizontal distance of
610mm (24") from the
center line of the terminal
E Clearance to unventilated
soffi t
F Clearance to outside corner
G Clearance to inside corner
H Clearance to each side of
center line extended above
regulator
331432-00
R
R N E
E C O
I N S I D
I L
D E T A
G
V
A
C
D
F I X E
V
S E D
C L O
V
F
B
Figure 23
300mm (12")
150mm (6") for appliances ≤ 10,000
Btuh (3 kW),
300mm (12") for appliances >
10,000 Btuh (3 kW) and ≤ 100,000
Btuh (30 kW), 910mm (36") for
appliances >100,000 Btuh (30 kW)
*
*
*
*
*
910mm (36") within a height
4.57m (15') * above the regulator
V
Vent terminal
X Air supply inlet
Area where is not permitted
B
B
V
D
F I X E
S E D
C L O
L E
R A B
O P E
V
X
B
V
J
B
A
I Clearance to service
regulator
J Clearance to
nonmechanical air supply
inlet to building or the
combustion air inlet to any
other appliance
K Clearance to a mechanical
air supply inlet
L Clearance above paved
sidewalk or paved driveway
located on public property
M Clearance under veranda,
porch deck, or balcony
† A vent shall not terminate where it may cause hazardous frost or
ice accumulations on adjacent property surfaces.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a
minimum of two sides beneath the fl oor.
*
"Clearance in accordance with local installation codes and the
requirements of the gas supplier."
M
X
V
K
I
Gas meter / regulator
910mm (36")
150mm (6") for appliances ≤ 10,000
Btuh (3 kW), 300mm (12") for
appliances > 10,000 Btuh (3 kW)
and ≤ 100,000 Btuh (30 kW),
910mm (36") for appliances
>100,000 Btuh (30 kW)
1.83m (6')
2.13m (7') †
300mm (12") ‡
23