User manual

Installation & Servicing Instructions Rinnai E-Series
31
6.7.3 Vent/air intake terminal position
Terminals should be positioned as to avoid products of combustion entering openings into buildings or other vents.
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.
clearances of venting system terminals table 6
Terminal positions figure 15
[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 fl oor.
* For clearances not specifi ed in ANSI Z223.1/NFPA 54 or CSA B149.1, clearances are in accordance with local installation codes and the
requirements of the gas supplier.
Ref Description US Installations Direct Vent US Installations non Direct
Vent
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 inches (15 cm) for appliances < 10,000 Btuh (3
kW), 9 inches (30 cm) for appliances > 10,000 Btuh
(3 kW) and < 50,000 Btuh (30 kW), 12 inches (91
cm) for appliances > 50,000 Btuh (30 kW)
4 feet (1.2 m) below or to side of
opening; 1 foot (300 mm) above
opening
C Clearance to permanently closed window * *
D Vertical clearance to ventilated soffi t, located above the
terminal within a horizontal distance of 2 feet (61 cm) from
the center line of the terminal
**
E Clearance to unventilated soffi t**
F Clearance to outside corner * *
G Clearance to inside corner * *
H Clearance to each side of center line extended above meter/
regulator assembly
**
I Clearance to service regulator vent outlet * *
J Clearance to nonmechanical air supply inlet to building or
the combustion air inlet to any other appliance
6 inches (15 cm) for appliances < 10,000 Btuh (3
kW), 9 inches (30 cm) for appliances > 10,000 Btuh
(3 kW) and < 50,000 Btuh (30 kW), 12 inches (91
cm) for appliances > 50,000 Btuh (30 kW)
4 feet (1.2 m) below or to side of
opening; 1 foot (300 mm) above
opening
K Clearance to a mechanical air supply inlet 3 feet (91 cm) above if within 10 feet (3 m)
horizontally
3 feet (91 cm) above if within 10 feet (3
m) horizontally
L Clearance above paved sidewalk or paved driveway located
on public property
* 7 feet (2.13 m)
M Clearance under veranda, porch, deck, or balcony * *