Rheem GHE80SU Use & Care Manual

14
Installation
Figure 9
Regulator vent outlet in the event no
regulator is present, H and I can be
disregarded.
Fixed
closed
15 ft
Fixed
closed
Inside
corner detail
Operable
Operable
Horizontal Vent Terminal Location for Power Direct Vent
The following information should be used for determining the proper location of the vent terminal for
direct vent water heaters.
V
VENT TERMINAL
X
AIR SUPPLY INLET
AREA WHERE TERMINAL IS NOT PERMITTED
Canadian Installations
1
US Installations
2
1 In accordance with the current CSA B149.1, Natural Gas and Propane Installation Code
2 In accordance with the current ANSI Z223.1/ NFPA 54 National Fuel Gas Code.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.
* Permitted only if veranda porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.
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)
• 6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW),
• 9 in (23 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 50,000 Btuh (15 kW),
• 12 in (30 cm) for appliances > 50,000 Btuh
(15 kW)
C= Clearance to permanently closed window.
0 in (0 cm) 0 in (0 cm)
D= Vertical Clearance to ventilated soffit located
above the terminal within a horizontal dis-
tance of 2 feet (61 cm) from the center line of
the terminal.
12 in (30 cm) 12 in (30 cm)
E= Clearance to unventilated soffit. 12 in (30 cm) 12 in (30 cm)
F= Clearance to outside corner. 24 in (61 cm) 24 in (61 cm)
G= Clearance to inside corner. 18 in (46 cm) 18 in (46 cm)
H = Clearance to each side of center line extend-
ed meter/regulator assembly. above
3 feet (91 cm) within a height 15 feet (4.6 m) 3 ft (91 cm) within a height of 15 ft (4.6 m)
I = Clearance to service regulator vent outlet. 3 feet (91 cm) 3 feet (91 cm)
J = Clearance to nonmechanical 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)
• 6 in (15 cm) for appliances ≤ 10,000 Btuh
(3 kW),
• 9 in (23 cm) for appliances > 10,000 Btuh
(3 kW) and ≤ 50,000 Btuh (15 kW),
• 12 in (30 cm) for appliances > 50,000 Btuh
(15 kW)
K = Clearance to mechanical air supply inlet.
6 feet (1.83 m)
3 feet (91 cm) above if within 10 feet (3 m) hori-
zontally.
L = Clearance above paved side walk or paved
driveway located on public property.
7 feet (2.13 m)
7 feet (2.13 m) for mechanical draft system (Cat-
egory I appliances); vents for Category II and IV
appliances cannot be located above public walk-
ways or other areas where condensate or vapor
can cause a nuisance or hazard.
M = Clearance under veranda, porch, deck or
balcony.
12 in (30 cm) ‡
12 in (30 cm)*

Rheem GHE80SU Specifications

General

Brand	Rheem
Model	GHE80SU
Category	Water Heater
Language	English