Bosch Singular 4000 Installation Instructions Manual page 32

Installation Instructions
D
E
B
L
VENT TERMINAL
Figure 31
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
Vertical clearance to ventilated soffi t located above the vent termination within
D
a horizontal distance of 2 feet (61cm) from the center line of the termination
E Clearance to unventilated soffi t
F Clearance to outside corner
G Clearance to inside corner
Clearance to each side of center line extended above gas meter/gas regulator
H
assembly
I Clearance to service gas regulator vent outlet
Clearance to non-mechanical air supply inlet to building or the combustion air
J
inlet to any other application
K Clearance to mechanical air supply inlet
L Clearance above paved sidewalk or paved driveway located on public property
M Clearance under veranda, porch deck or balcony
Table 11 Non-Direct Venting
¹) In accordance with the current CSA B149.1 Natural Gas and Propane Installation Code.
²) In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code.
³) A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single
family dwellings and serves both dwellings.
⁴) Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the
fl oor.
[*] For clearances not specifi ed in ANSI Z223.1 / NFPA 54 or CSAB149.1, one of the following shall be
indicated:
a) A minimum clearance value determined by testing in accordance with section 2.20, or;
b) A reference to the following footnote:
"Clearance in accordance with local installation codes and the requirements of the gas supplier."
3 2 |
IN S ID E
D E T A IL
C O R N E R
G
A
B
C
O P E R A B
F IX E D
C L O S E D
L E
O P E R A B
B
F
B
A
B
AIR SUPPLY INLET
H
B
F IX E D
I
C L O S E D
L E
M
J
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Non-Direct Vent Installation ¹
12 in. (30 cm)
36 in. (91 cm)
*
*
*
*
*
36 in. (91 cm) within a height 15 feet
above meter/ regulator assembly
36 in. (91 cm)
36 in. (91 cm)
72 in. (182 cm)
84 in. (213 cm) ³
)
12 in. (30 cm) ⁴
)
Singular Combi Boiler - BTC 439003301 B (2021/07)
K
U.S. Non-Direct Vent Installation ²
)
12 in. (30 cm)
4 feet below or to side of opening;
1 foot above opening
*
*
*
*
*
*
*
4 feet below or to side of opening;
1 foot above opening
36 in. (91 cm) above if within
10 feet horizontally
84 in. (236 cm)
*
)