Williams 2903511, 2903512 instruction

Figure 1

1 = Fixed/Closed

2 = Openable

V = Vent Terminal

A = Air Supply

A.Clearance above grade, veranda, porch, deck or balcony 12-inches (30 cm) minimum. (3)

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.

K.Clearance to a mechanical air supply inlet 6-feet (1.8 m) minimum. (3)

L.Clearance (1) above paved sidewalk or a paved driveway located on public property 7-feet (2.1 m) minimum. (3)

M.Clearance under veranda, porch, deck or balcony 12- inches (30 cm) minimum. (2), (3)

D.Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of 2-feet (60 cm) from the centerline of the terminal 18-inches (46 cm) minimum.

E.Clearance to unventilated soffit 12-inches (30 cm) minimum clearance to vinyl soffit 36-inches (90 cm) minimum.

F.Clearance to outside corner 12-inches (30 cm) minimum.

Notes:

(1)A vent must 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).

G.Clearance to inside corner 18-inches (46 cm) minimum.

H.Not to be installed above a meter/regulator assembly within 3-feet (90 cm) horizontally from the centerline of the regulator. (3)

I.Clearance to service regulator vent outlet 6-feet (1.8 m) minimum. (3)

J.Clearance to nonmechanical air supply inlet to building or the combustion air inlet to any other furnace 12- inches (30 cm) minimum. (3)

Note: Local codes or regulations may require different clearances.