Payne PG96VAT Installation, Start-Up, Operating And Service And Maintenance Instructions page 54

Inside Corner Terminations
Inside corner vent terminations are permitted provided that:
S Only two exterior walls come together to form an angle of 90 degrees to 135 degrees. There are no other exterior walls attached to either
wall to form an alcove.
S The clearance distances apply when the vent is at least 3 feet (1 meter) from, but not more than 6 feet (2 meters) away from an inside
corner.
S For vent terminations located more than 6 feet (2 meters) from an inside corner, refer to the appropriate Direct Vent Clearance Table for all
two pipe terminations or Non- -Direct Vent Clearance Table for all single pipe terminations.
S The clearance distances to items between the vent termination and the outside corner, refer to the appropriate Direct Vent Clearance Table
for all two pipe terminations or Non- -Direct Vent Clearance Table for all single pipe terminations.
For clearance distances when vent termination is located more than 6 ft. (2 M) away from an inside corner, refer to the
appropriate Direct Vent or Non- -Direct Vent Clearance Table.
Clearance description when termination is at least 3 ft. (1 M) away and not more than 6 ft. (2 M) away from an inside corner.
Clearance above grade, veranda, porch, deck, balcony or anticipated snow level
Clearance to a permanently closed window on either Wall A or Wall B
Vertical clearance to a soffitt located above the vent termination within a horizontal distance of 2 ft. (61 cm) from
the centerline of the vent termination
Clearance to a ventilation exhaust (including HRV/ERV) on either Wall A or Wall B
Clearance above paved sidewalk or paved driveway located on public property
Clearance under a veranda, porch, deck, or balcony
No operable windows, doors or intakes of any type are permitted on Wall B between the vent termination and the inside corner
when the vent termination is at least 3 ft. (1 M) away and not more than 6 ft. (2 M) away from an inside corner.
The following items on Wall A must be located at least 3 ft. (1 M) away from the inside corner when a vent termination is located
on Wall B and the vent termination is at least 3 ft. (1 M) away or not more than 6 ft. (2 M) away from an inside corner.
A window or door that may be opened
The centerline extended above electrical meter or gas service regulator assembly
A service regulator vent outlet
The centerline of a dryer or water heater vent, or other appliance's vent intake
A non- -mechanical air supply inlet
Clearance distances shown for Wall A are measured horizontally from the exit of the termination on Wall B to the closest edge of
the item shown below.
Clearance to a mechanical air supply (including HRV/ERV) inlet unless termination is 3 ft. (1 M) above the
horizontal line of the intake
For clearance distances from a vent termination to the outside corner of the wall, refer to the appropriate Direct Vent or
Non- -Direct Vent Clearance Table
*N.P. = Not Permitted
*N/A = Not Applicable
No operable windows, doors or
Clearance distances for
intakes of any type within the
items greater than 3 feet
shaded areas of Wall A and B.
(1 meter ) away from the
inside corner, refer to the
For all other items, refer to the Inside
Inside Corner Clearance
Corner Clearance Table.
Table.
3 ft. (1 M)
Notes:
For this illustration, Wall A is the wall adjacent to the wall the
vent termination is located. Wall B is the wall the vent
termination is located.
The termination can be located on either wall.
Minimum distance of a vent terminal to an inside corner is
3 ft. (1 M).
Maximum distance from an inside corner is 6 ft. (2 M).
If the vent termination is located more than 6 ft. (2 M) away
from an inside corner, refer to the appropriate Direct or
Non−Direct Vent Clearance Tables.
Fig. 45 - - Inside Corner Termination
3 ft. (1 M) to
6 ft. (2 M)
V
Vent
Termination
54
A170005
12- -in. (305 mm)
12- -in. (305 mm)
6 ft. (2 M)
12- -in. (305 mm)
7 ft. (2.1 M)
N.P.*
10 ft. (3 M)