ECR International G95V Installation Manual And Operating Instructions page 24

FIGURE 12 - MULTIPLE VENTING (STANDARD
HORIZONTAL)
FIGURE 13 - MULTIPLE VENTING (STANDARD
VERTICAL)
If more than two furnaces are being installed in
close proximity, each additional combustion air
intake and exhaust termination set shall not
terminate less than 12 in (300 mm) apart.
Note: Canadian installations of 120000 Btuh
require 3 ft (900 mm).
!
WARNING
RECIRCULATION OF FLUE GASES MAY OC-
CUR CAUSING THE INTAKE PIPE TO FREEZE
SHUT DURING COLD WEATHER OPERA-
TION IF THE VENTING SYSTEM IS NOT IN-
STALLED PER THESE GUIDELINES.
In addition to the general guidelines, both non-di-
rect and direct vent exhaust shall not terminate:
In addition to the general guidelines, in the United
States, both non-direct and direct vent exhaust
shall be installed in accordance with the following:
!
24
IN CANADA
• Directly above a paved sidewalk or paved
driveway which is located between two single-
family dwellings and serves both dwellings;
• Less than 7 feet above a paved sidewalk or
paved driveway located on public property;
• Within 6 feet of a mechanical air supply inlet
to any building;
Above a meter/regulator assembly within 3 feet
•
horizontally of the centerline of the regulator;
• Within 6 feet of any service regulator vent
outlet;
• Less than 12" above grade level or anticipat-
ed snow level;
• Within 12" of any door, window, or non-me-
chanical air supply inlet to any building;
• Within 12" of the combustion air inlet of any
other appliance; Note: Canadian installations
of 120,000 BTU/h requires 3 ft. (900 mm)
• Underneath a veranda, porch or deck, unless
(a) the veranda, porch or deck is fully open
on a minimum of two sides beneath the floor,
and (b) the distance between the top of the
vent termination and the underside of the ve-
randa, porch or deck is greater than 12".
• Refer to Figures 21A and 21 B for terminal
clearances.
IN THE U.S.A.
• The clearance from the bottom of the termi-
nal to grade shall be 12".
• The vent shall not terminate over public walk-
ways or over an area where condensate or
vapor could create a nuisance or hazard.
• The vent terminal shall be installed at least
1 foot from any opening through which flue
gases could enter a building.
• The vent terminal shall have a minimum hori-
zontal clearance of 3 feet from electric me-
ters, gas meters, regulators and relief equip-
ment.