Polaris PG10 User Manual

27
TERMINATION CLEARANCES SIDEWALL DIRECT VENT
G
H
C
D
E
L
B
B
B
B
J
I
B
B
F
M
K
H
DIRECT VENT
(using outdoor air for combustion)
EXTERIOR CLEARANCES FOR SIDEWALL VENT TERMINATION
Figure 23
Vent terminal clearances for “Direct Vent” installations. Direct Vent congurations use outdoor air for combustion.
US INSTALLATIONS
1
US INSTALLATIONS
1
A
Clearance above grade, veranda, porch,
deck or balcony
12 inches (30 cm)
H
Clearance to each side of center line
extended above meter/regulator assembly
Clearance in accordance with local installation
codes and the requirements of the gas
supplier.
B
Clearance to window or door that may
be opened
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)
I
Clearance to service regulator vent outlet
Clearance in accordance with local installation
codes and the requirements of the gas
supplier
C
Clearance to permanently closed window 6 inches (15 cm)*
J
Clearance to a non mechanical air supply
inlet into building or combustion air inlet to
any other appliance
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)
D
Vertical clearance to ventilated soft
located above the terminal within a
horizontal distance of 2 feet (61 cm) from
the center line of the terminal
12 inches (30 cm)*
K
Clearance to a mechanical air supply inlet
3 feet (91 cm) above if within 10 feet (3 m)
horizontally
E
Clearance to unventilated soft 12 inches (30 cm)*
L
Clearance above paved sidewalk or paved
driveway located on public property
7 feet (2.13 m)†*
F
Clearance to outside corner 2 feet (60 cm)*
M
Clearance under veranda, porch, deck, or
balcony
12 inches (30 cm) ‡*
G
Clearance to inside corner 18 inches (45 cm)*
1 In accordance with the current ANSI Z223.1/NFPA 54, National Fuel Gas Code.
† A vent shall not terminate directly above a sidewalk or paved driveway that is located between two single family dwellings and serves both dwellings.
Where it may cause hazardous frost or ice accumulations on adjacent property surfaces.
‡ Permitted only if veranda, porch, deck, or balcony is fully open on a minimum of two sides beneath the oor.
* Clearance in accordance with local installation codes and the requirements of the gas supplier and the manufacturer’s installation instructions.

Polaris PG10 Specifications

General

Brand	Polaris
Model	PG10
Category	Water heaters
Language	English