Figure 1
1 = Fixed/Closed | 2 = Openable | V = Vent Terminal | A = Air Supply |
A.Clearance above grade, veranda, porch, deck or balcony
B.Clearance to window or door that may be opened 12- inches (30 cm) minimum. (3)
C.Clearance to permanently closed window minimum 12- inches (30 cm) recommended to prevent condensation on window.
D.Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of
E.Clearance to unventilated soffit
F.Clearance to outside corner
G.Clearance to inside corner
H.Not to be installed above a meter/regulator assembly within
I.Clearance to service regulator vent outlet
J.Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other furnace 12- inches (30 cm) minimum. (3)
Outside Location for Vent Terminal
K.Clearance to a mechanical air supply inlet
L.Clearance (1) above paved sidewalk or a paved driveway located on public property
M.Clearance under veranda, porch, deck or balcony 12- inches (30 cm) minimum. (2), (3)
Notes:
(1)A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings and serves both dwellings.
(2)Only permitted if veranda, porch, deck or balcony is fully open on a minimum of two sides beneath the floor.
(3)As specified in CGA B149 installation codes (1991).
Note: Local codes or regulations may require different clearances.
Upon delivery, check to make sure the packaging has not been damaged.
1.Remove the furnace from box/packaging taking care not to damage the paper template to be used to mark the holes for mounting the furnace.
2.After marking where the appropriate holes will be, using the above mentioned template, make a
3.Cut the combustion exhaust and fresh air inlet tubes according to the wall thickness (Figure 2):
Air inlet tube length = wall thickness + 3/32-inches (2.4 mm)
Flue outlet tube length = wall thickness + 1-5/16-inches (7.9 mm)
4.Drill the mounting holes “A” (5 holes) in the wall. If possible use
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