Enviro C-11089 - Manual (Page 20)

20
NOTE: If the Sonnet unit is pulled out
of its installation, and the vent air intake
system is disconnected for any reason,
ensure that the vent-air intake pipes are
re-sealed with high-temperature sealant
or silicone and reconnected with three
(3) sheet metal screws evenly spaced.
2ft (0.6m)
Minimum
3ft (0.9m)
Minimum
Within
10ft (3m)
Roof ridge or
any other portion
of a building
Figure 37: Roof Clearances.
Initial Installation
QUALIFIED INSTALLERS ONLY
V
ENTING
F
IREPLACE
I
NSERTS
:
The ENVIRO Sonnet may be installed and vented into any solid fuel fireplace that has been installed
in accordance with the National, Provincial/State and local building codes and has been constructed of
non-combustible materials. Before starting, refer to I NITIAL I NSTALLATION - P REPARING Y OUR S ONNET F OR
I
NSTALLATION
and I
NITIAL
I
NSTALLATION
- C
ONVERTING
A D
IRECT
V
ENT
F
IREPLACE
T
O
A B-
VENT
F
IREPLACE
. Please
reference the information in Table 5 and Figures 37, 38,and 41.
An approved chimney liner and rain cap must be used. A throat connector or flashing must be installed
to ensure a tight seal, top performance, safety and efficiency. Carefully follow the manufacturer’s
instructions that accompany the chimney liner kit. Use listed B-Vent or Flexmaster double walled
aluminum flex vent.
If necessary, remove the vent collar plate from the top of the insert and connect it securely to the liner
with sheet metal screws and/or hose clamps. Check for any tears in the liner at this point. IMPORTANT:
The screws that hold the vent collar plate in its approved position must be installed.
Provide for proper and adequate venting and air supply for this appliance in accordance with the tables
in the current National Fuel Gas Code, Z223.1/NFPA 54 or the CSA B149.1.
Table 5: Vent termination clearances
Minimum Clearance Description
3 ft (0.9 m)
Clearance above the highest point where it passes through a roof surface, refer
to Figure 37.
24 in (0.6 m)
Clearance above a roof ridge, any other portion of a building, or any other ob-
struction within a horizontal distance of 10 feet (3 m), refer to Figure 37.
5 ft (1.5 m)
Clearance for a vent or chimney above either the highest connected appliance
drafthood outlet, or flue collar.
6 ft (1.83 m) Clearance to mechanical air supply inlet.
3ft (0.9m) Clearance to each side of center line extended above meter/regulator assembly.
6 ft (1.83 m) Radial clearance around service regulator vent outlet.
12 in (30 cm) Clearance above grade, verandah, porch, deck, or balcony.
3 ft (0.9 m)
Clearance to a building opening or combustion air inlet of another appliance,
except with the approval of the authority having jurisdiction for the following
reduced clearances.
9 in (0.23 m) Exception for inputs up to and including 50,000 Btuh (15kW)
12 in (0.3 m)
Exception for inputs exceeding 50,000 Btuh (15kW) but not exceeding 100,000
Btuh (30kW)