INSTALLATION AND OPERATION INSTRUCTIONS
1-10
VFC 15-150, VFC 45-225 MODULATING GAS BOILERS
For side venting of multiple boiler sets, group all intake terminals together with
4" to 8" lateral spacing, and similarly group the exhaust pipes. Place the 2
groups on the same plane of the building (e.g. north facing wall). Place the 2
groups of pipes at least 3' apart (the closest intake and exhaust pipes shall be
36" - or more – apart. Use same 24" (minimum) vertical separation as displayed
above. Alternately, as long as the boilers are identical models - intake and
exhaust terminals can maintain a minimum of 12” of separation horizontally
from any exhaust or inlet termination of an adjacent boiler. For alternate group
terminations, contact the IBC Factory for written guidance.
Vent terminal clearance minimums are as follows:
•
Clearance above grade, veranda, porch, deck or balcony – 12" (0.3m), but
check local code also (anticipated snow levels may supersede).
•
Clearance to openable window or door – 36" (0.91m) (USA – 12”)
•
Vertical clearance to ventilated sofit located above the terminal within a
horizontal distance of 2’ (0.61m) from the centreline of the terminal.
•
Clearance to each side of centreline extended above meter/regulator
assembly: - 3' (0.91m) within a height of 15' (4.6m) above the meter/regulator.
•
Clearance to service regulator vent outlet: - 3' (0.91m)
•
Clearance to non-mechanical air supply inlet to building or the combustion air
intake to any other appliance: - 3' (0.91m) (USA – 12" (0.3m))
•
Clearance to a mechanical air supply inlet: - 6’ (1.82m) (USA - 3’ (0.91m)
above if within 10’ (3.1m) horizontally)
•
Clearance above paved sidewalk or paved driveway located on public
property: - 7' (2.2m)
NOTE:
Cannot terminate directly above a paved sidewalk
or paved driveway that is located between two single family dwellings and
serves both dwellings
•
Clearance under veranda, porch, deck or balcony: - 12" (0.3m).
NOTE:
Prohibited unless fully open on a minimum of two sides below the floor.
•
Vents must be installed such that flue gas does not discharge towards
neighbor’s windows, or where personal injury or property damage can occur.
•
It is important to ensure proper condensate management from vent
terminations. Condensate shall not be discharged in a manner that will cause
damage to external building finishes or components, or infiltrate the building
envelope.
WARNING
In areas of high snowfall,
Users must be advised to
check side wall vent and
air intake terminations on
a regular basis to ensure
blockage does not occur.
Figure 6: Vent terminal clearances
Figure 7: Prohibited installation
Figure 9: Vent terminal clearances
Figure 8: Vent terminal clearances
Содержание VFC 15-150
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