Slant/Fin VGH-299-CH, Installation And Service Manual

Page: 46 / 128

E93.1601EN032.C VGH installation manual 46
5. Maintain clearances as stated in this manual. Also maintain the following:
A Clearance above grade, veranda, porch, deck, or
balcony
12" (30 cm)
see note 3
12" (30 cm)
see note 3
B Clearance to window or door that may be opened Direct vent only: 12" (30 cm)
Non-Direct vent: 4 ft (1.2 m) below or
to side of opening; 1 ft (30 cm) above
opening
36 inches (91 cm)
C Clearance to permanently closed window see note 4 see note 5
D Vertical clearance to ventilated soffit located
above the terminal within a horizontal distance of
2 ft (61 cm) from the center line of the terminal
see note 4 see note 5
E Clearance to unventilated soffit see note 4 see note 5
F Clearance to outside corner see note 4 see note 5
G Clearance to inside corner see note 4 see note 5
H Clearance to each side of center line extended
above meter/regulator assembly
see note 4 3 ft (91 cm) within a height of
15 ft above the
meter/regulator assembly
I Clearance to service regulator vent outlet see note 4 3 ft (91 cm)
J Clearance to nonmechanical air supply inlet to
building or the combustion air inlet to any other
appliance
Direct vent only: 12” (30 cm) 299;
36” (91 cm) 399-500
Non-Direct vent: 4 ft (1.2 m) below or
to side of opening; 1 ft (30 cm) above
opening
3 ft (91 cm)
K Clearance to a mechanical air supply inlet 3 ft (91 cm) above if within 10 ft (3 m)
horizontally
6 ft (1.83 m)
L Clearance above paved sidewalk or paved
driveway located on public property
Vent termination not allowed. 7 ft (2.1 m)
M Clearance under veranda, porch, deck, or
balcony
see note 4 12" (30 cm) see note 6
note 1: In accordance with the current ANSI Z223.1 / NFPA 54 National Fuel Gas Code
note 2: In accordance with the current CAN/CSA-B149.1 Installation Codes
note 3: Maintain 12” of clearance above the highest anticipated snow level or grade or, whichever is greater. Please refer to
your local codes for the snow level in your area
note 4: For clearances not specified in ANSI Z223.1 / NFPA 54, clearance is in accordance with local installation codes and
the requirements of the gas supplier.
note 5: For clearances not specified in CAN/CSA-B149, clearance is in accordance with local installation codes and the
requirements of the gas supplier
note 6: Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor.
6. Locate terminations so they are not likely to be damaged by foreign objects, such as stones or balls, or
subject to buildup of leaves or sediment.
Figure 9-10