Bosch ZBR16-3A Series - Page 41

Installation | 41
6 720 806 992 (2015/03)Greenstar
Fig. 31 Vent and combustion air pipe position
Direct vent (sealed combustion):
[1] Forced Air Inlet
[2] Gravity Air Inlet
[3] Exhaust terminal
X
1
1 foot (305 mm)
X
2
Clearance in accordance with local installation codes and the
requirements
1)
X
3
1 foot (305 mm) USA
3 feet (915 mm) Canada
X
4
Clearance in accordance with local installation codes and the
requirements
1)
X
5
7 feet (2 135 mm)
2)
Y
A
At least 1 foot (305 mm) above grade or snow line
Y
B
Exhaust terminal must be at least:
3 feet (915 mm) above forced air inlet within
10 feet (3 050 mm) horizontally - USA
6 feet (915 mm) above forced air inlet - Canada
Fan assisted appliance (non-sealed combustion):
[1] Forced Air Inlet
[2] Gravity Air Inlet
[3] Exhaust terminal
X
1
1 foot (305 mm)
X
2
Clearance in accordance with local installation codes and the
requirements
1)
X
3
1 foot (305 mm) USA
3 feet (915 mm) Canada
X
4
Clearance in accordance with local installation codes and the
requirements
1)
X
5
7 feet (2 135 mm)
2)
Y
A
At least 1 foot (305 mm) above grade or snow line
Y
B
Exhaust terminal must be at least:
3 feet (915 mm) above forced air inlet within
10 feet (3 050 mm) horizontally - USA
6 feet (915 mm) above forced air inlet - Canada
NOTICE:
▶ Vent terminations must keep the following minimum
clearances from electric meters, gas meters,
regulators and relief equipment: 4 feet (1220 mm)
[Canada 6 feet (1830 mm)] horizontally and in no
case above and below, unless a horizontal distance of
4 feet (1220 mm) [Canada 6 feet (1830 mm)] is
maintained.
NOTICE:
▶ For Clearances not specified in ANSI Z223.1 /
NFPA 54 or CSA B149.1.
▶ Clearance in accordance with local installation codes
and the requirements of the gas supplier including
the Authority Having Jurisdiction.
X
1
X
2
X
3
X
4
X
5
X
1
X
1
X
2
X
3
X
3
1
2
Y
A
Y
B
Y
A
6 720 641 933-17.1O
3
3
3
3
1) For Clearances not specified in ANSI Z223.1 / NFPA 54 or CSA B149.1
Clearance in accordance with local installation codes and the requirements of the gas supplier including the Authority Having Jurisdiction
2) A vent shall not terminate directly above a sidewalk or paved driveway that is located between 2 single family dwellings and serves both dwellings.