Rinnai c199e, Installation And Operation Manual

Page: 11 / 144

C199 Manual 11
Other Than Direct Vent Terminal Clearances (Outdoor Units)
INSIDE
CORNER DETAIL
FIXED
CLOSED
OPERABLE
FIXED
CLOSED
OPERABLE
B
B
B
A
J
B
M
C
F
B
B
E
D
L
G
A
H
K
I
[1] A vent shall not terminate directly above a sidewalk or paved driveway
that is located between two single family dwellings and serves both
dwellings.
[2] Permitted only if veranda, porch, deck, or balcony is fully open on a
minimum of two sides beneath the floor.

For clearances not specified in ANSI Z223.1/NFPA 54 , clearances are in
accordance with local installation codes and the requirements of the gas
supplier.
Clearance to opposite wall is 24 inches (60 cm).
X
V
AIR SUPPLY INLET
VENT TERMINAL
AREA WHERE TERMINAL
IS NOT PERMITTTED
Ref
Description
Canadian Installations US Installations
A Clearance above grade, veranda, porch, deck, or balcony 12 inches (30 cm) 12 inches (30 cm)
B Clearance to window or door that may be opened
6 in (15 cm) for appliances ≤ 10,000 Btuh (3
kW), 12 in (30 cm) for appliances > 10,000
Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in
(91 cm) for appliances >100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of opening;
1 ft (300 mm) above opening
C Clearance to permanently closed window * *
D
Vertical clearance to ventilated soffit, located above the terminal within a
horizontal distance of 2 feet (61 cm) from the center line of the terminal
* *
E Clearance to unventilated soffit * *
F Clearance to outside corner * *
G Clearance to inside corner * *
H
Clearance to each side of center line extended above meter/regulator
assembly 3 feet (91 cm) within a height 15 feet (4.5 m)
above the meter/regulator assembly
*
I Clearance to service regulator vent outlet 36 inches (91 cm) *
J
Clearance to non-mechanical air supply inlet to building or the combustion
air inlet to any other appliance
6 in (15 cm) for appliances ≤ 10,000 Btuh (3
kW), 12 in (30 cm) for appliances > 10,000
Btuh (3 kW) and ≤ 100,000 Btuh (30 kW), 36 in
(91 cm) for appliances >100,000 Btuh (30 kW)
4 ft (1.2 m) below or to side of opening;
1 ft (300 mm) above opening
K Clearance to a mechanical air supply inlet 6 feet (1.83 m)
3 feet (91 cm) above if within 10 feet (3
m) horizontally
L
Clearance above paved sidewalk or paved driveway located on public
7 feet (2.13 m)

*
M Clearance under veranda, porch, deck, or balcony 12 inches (30 cm)

*
Clearance in
Ref. A also
applies to
anticipated
snow line