Royal R-3500TR Installer's Manual page 38

V
=VENT TERMINAL
X
=AIR SUPPLY INLET
A = 12"
B = 12"
C = 9" (U.S.A.)
12" (Canada)
*D = 18"
*E = 18"
F = 9"
G = 6"
H = 3 ft. (Canada)
I = 3 ft. (U.S.A.)
6 ft. (Canada)
J = 9" (U.S.A.)
12" (Canada)
K = 3 ft. (U.S.A.)
6 ft. (Canada)
**L = 7 ft.
***M = 18"
* 30” minimum for vinyl clad soffits.
** a vent shall not terminate directly above a sidewalk or paved driveway which is
located between two single family dwellings and serves both dwellings.
*** only permitted if veranda, porch, deck or balcony is fully open on a minimum of
2 sides beneath the floor.
NOTE: Local Codes or Regulations may require different clearances.
Figure 34. Vent Termination Minimum Clearances
CAUTION
38
D
E
v
L
C
B
v
v
F
v
B
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
1 2 3 4
clearances above grade, veranda, porch, deck or balcony
clearances to window or door that may be opened
clearance to permanently closed window
vertical clearance to ventilated soffit located above the
terminal within a horizontal distance of 2 feet (60 cm)
from the center-line of the terminal
clearance to unventilated soffit
clearance to outside corner
clearance to inside corner
not to be installed above a gas meter/regulator assembly
within 3 feet (90 cm) horizontally from the center-line of
the regulator
clearance to service regulator vent outlet
clearance to non-mechanical air supply inlet to building
or the combustion air inlet to any other appliance
clearance to a mechanical air supply inlet
clearance above paved sidewalk or a paved driveway
located on public property
clearance under veranda, porch, deck or balcony
IF INSTALLING UNITS R-3500TRH AND R-4500TRH OR
R-6500TR, AND EXTERIOR WALLS ARE FINISHED
WITH VINYL SIDING, IT IS NECESSARY TO INSTALL THE
VINYL PROTECTOR KIT TO THE TOP OF THE EXTERI-
OR FIRESTOP (FOR ALL ROUND TERMINATION
CAPS). IT IS STRONGLY RECOMMENDED WHENEV-
ER POSSIBLE TO USE THE VINYL PROTECTOR KIT.
G
v
A
openable
fixed closed
v
B
v
B
A
=AREA WHERE TERMINAL IS NOT PERMITTED
H
M
I
v
X
J or K