Haier GE APPLIANCES NF96US Service Manual page 34

FOR DIRECT VENT INSTALLATIONS IN THE USA AND CANADA
D
E
B
L
VENT TERMINAL
Clearance above grade, veranda, porch, deck or
A
balcony
B Clearance to window or door that may be opened
C Clearance to permanently closed window
Vertical clearance to ventilated soffit located
D above the terminal within a horizontal distance of
2 feet (610mm) from the center line of the terminal
E Clearance to unventilated soffit
F Clearance to outside corner
G Clearance to inside corner
Clearance to each side of center line extended
H
above meter / regulator assembly
I Clearance to service regulator vent outlet
Clearance to non-mechanical air supply inlet to
J building or the combustion air inlet to any other
appliance
K Clearance to mechanical air supply inlet
Clearance above paved sidewalk or paved
L
driveway located on public property
M Clearance under veranda, porch, deck or balcony
¹ In accordance with the current ANSI Z223.1/NFPA 54 Natural Fuel Gas Code
² In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code
†
A vent shall not terminate directly above a sidewalk or paved driveway that is located between
two single family dwellings and serves both dwellings.
‡
Permitted only if veranda, porch, deck or balcony is fully open on a minimum of two sides
beneath the floor. Avoiding this location is recommended if possible.
Figure 32. Vent Termination Clearances Direct Vent Installations
VENT TERMINATION CLEARANCES
Inside Corner
A
B
C
Fixed
Closed
F
Operable
B
B
AIR SUPPLY INLET
6" (152mm) for appliances <10,000
Btuh (3kw), 9" (228mm) for appliances
> 10,000 Btuh (3kw) and <50,000 Btuh
(15kw), 12" (305m) for appliances >
3 feet (.9m) within a height 15 feet (4.5m) above the meter / regulator assembly
6" (152mm) for appliances <10,000
Btuh (3kw), 9" (228mm) for appliances
> 10,000 Btuh (3kw) and <50,000 Btuh
(15kw), 12" (305m) for appliances >
3 feet (.9m) above if within 10 feet (3m)
Page 34
Detail
G
B
Fixed
Operable
Closed
J
A
AREA WHERE TERMINAL
IS NOT PERMITTED
US Installations¹
12" (305mm) or 12" (305mm) above average snow accumulation
50,000 Btuh (15kw)
* 12"
* Equal to or greater than soffit depth
* Equal to or greater than soffit depth
* No minimum to outside corner
* 3 feet (.9m)
50,000 Btuh (15kw)
horizontally
* 7 feet (2.1m)
*12 inches (305mm)‡
H
I
M
Canadian Installations²
6" (152mm) for appliances <10,000
Btuh (3kw), 12" (305mm) for appliances
> 10,000 Btuh (3kw) and <100,000
Btuh (30kw), 36" (.9m) for appliances >
100,000 Btuh (30kw)
*
6" (152mm) for appliances <10,000
Btuh (3kw), 12" (305mm) for appliances
> 10,000 Btuh (3kw) and <100,000
Btuh (30kw), 36" (.9m) for appliances >
100,000 Btuh (30kw)
6 feet (1.8m)
* For clearances not specified in ANSI
Z223.1/NFPA 54 or CSA B149.1,
clearance will be in accordance
with local installation codes and the
requirements of the gas supplier and
these installation instructions.
K
31-5000728 Rev. 0