Regency U37-LP PROPANE - Manual (Page 7)

U37 Regency ULTIMATE Rear Vent Direct Vent Freestanding Gas Heater 7
INSTALLATION
EXTERIOR VENT TERMINAL LOCATIONS
.
B
B
B
B
A
C
V V
V
V
V
V
V
A
A
V
Fixed
Fixed
Openable
Closed
Closed
Openable
N
L
B
E
B
M
D
F
K
H
j
V
ertical
T
ermination
V
V
ent
terminal
Area
where
terminal
is
not
permited
A
Air
supply
outlet
24"
V
A G
Inside
corner
det
ail
V
24"
18"
V
ertical
T
ermination
A
=
Clearance above grade, veranda, porch, deck, or balcony *(min. 12"/30cm)
B
=
Clearance to window or door that may be opened *(12"/30cm) #(9"/23cm)
C
=
Clearance to permanently closed window *(min. 12"/30cm)
D
=
Vertical clearance to ventilated soffit located above the terminal within a horizontal distance of (24"/60cm) from the centerline of the terminal (min. 22"/55cm) check with local code.
E
=
Clearance to unventilated soffit (min. 12"/30cm)
F
=
Clearance to outside corner (12"/30cm)
G
=
Clearance to inside corner (12"/30cm)
H
=
Not to be installed above a meter/regulator assembly within (3'/90cm) horizontally from the centerline of the regulator.
J=
Clearance to service regulator vent outlet *(min. 36"/90cm)
K
=
Clearance to non-mechanical air supply inlet to building or the combustion air inlet to any other appliance *(12"/30cm) #(9"/23cm)
L
=
Clearance to a mechanical air supply inlet *(min. 72"/1.8m) #3' (91cm) above if within 10' (3m) horizontally.
M
=
**Clearance above paved sidewalk or a paved driveway located on public property *(min. 84"/2.1m)
N
=
Clearance under veranda, porch, deck, or balcony *(min. 12"/30cm)***
Note: * As specified in CGA B149 Installation Code. Note: Local codes or regulations may require different clearances. **A vent shall not terminate directly above a sidewalk or paved driveway which is located between two single family dwellings a
nd serves both dwellings.
***Only permitted if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the floor. # In accordance with the current ANSI Z223.1/NFPA 54, National Gas Code