Table des Matières
Publicité
Les langues disponibles
Les langues disponibles
Installing terminal in the wall - DV-2000™
1.
Cut a 152.4 mm (6") hole in the side-wall in accordance with the
location considerations outlined in the previous section;
2.
Fasten the wall plate to the inside-wall using 4 field-provided
fasteners appropriate for the material behind the wall plate.
Depending on the angle of access, the pressure control bracket
may need to be removed to access the top right wall plate screw
hole. For concrete and block, Tapcon™ screws or equivalent are
recommended. Install the wall plate so that the top of the hole in
the wall plate is positioned 3.2 mm (1/8") lower than the top of the
152.4 mm (6") hole in the wall. This will accommodate the proper
downward slope of the terminal, in the direction from the inside to
the outside;
3.
Remove the 2 screws fastening the end cone in place and
remove the cone;
4.
Remove the 2 screws fastening the stabiliser shroud in place and
remove the stabiliser shroud;
5.
Insert the main body of the terminal through the wall plate so that
the end of the terminal extends about 50.8 mm (2") past the
outside wall;
6.
Install the stabiliser shroud and replace the two mounting screws.
(see Figure 1.13);
7.
On concrete and block wall installations in particular, if it appears
that the flange at the back of the stabiliser shroud is not large
enough to cover the irregularities in the hole, a field fabricated
wall plate can be constructed of 304, 316, or 316L stainless steel;
8.
Silicone seal the circumference of the joint where the stabiliser
shroud connects to the main body of the terminal;
9.
Apply caulking to the back plate of the stabiliser shroud and push
the terminal back firmly against the wall;
10. While pushing down gently on the top of the stabiliser shroud,
install the three 2" stainless steel screws provided with the kit to
secure the back of the shroud to the wall. Do not overtighten the
screws or it will distort the stabiliser shroud. The screws will not
be necessary in a concrete or block wall as the mortar can
provide positive positioning;
11. Tighten the clamp on the wall plate to secure the terminal in
place;
12. Apply more caulking all around the seam where the stabiliser
shroud meets the wall. It is important to have a good seal to
prevent water from entering the dwelling (see Figure 1.14). A
considerable amount of caulking may be necessary for irregular
wall surfaces such as lapped siding;
13. Install the end cone and replace the two mounting screws;
14. Support the vent and intake air piping so that a 6.4 mm to 12.7
mm (1/4" to 1/2") downward slope (toward the outside) results for
proper drainage out the terminal body.
Connection of combustion air piping to the terminal - DV-2000™
Refer to Part 1, section 5.3 (1.5.3), Outdoor Combustion Air – Side-
wall Venting, DV-2000™ for a complete description.
1.5)
AIR FOR COMBUSTION
WARNING
Poisonous carbon monoxide gas hazard.
Comply with NFPA standards for the installation of
Oil Burning Equipment and applicable provisions of
local building codes to provide combustion and
ventilation air.
Failure to provide adequate combustion and
ventilation air can result in personal injury and/or
death.
12
1.5.1)
General
Oil furnaces must have an adequate supply of combustion air. It is
common practice to assume that older homes have sufficient
infiltration to accommodate the combustion air requirement for the
furnace. However, home improvements such as new windows, doors,
and weather stripping have drastically reduced the volume of air
infiltration into the home.
Home air exhausters are common. Bathroom and kitchen fans, power
vented clothes dryers, and water heaters all tend to create a negative
pressure in the home. Should this occur, the chimney becomes less
and less effective and can easily downdraft.
Heat Recovery Ventilation Systems (HRVs) are gaining in popularity.
HRVs are not designed to supply combustion air. If not properly
balanced, a serious negative pressure condition could develop in the
dwelling.
1.5.2)
Contaminated Combustion Air
Installations in certain areas or types of structures will increase the
exposure to chemicals or Halogens which may harm the furnace.
These instances will require that only outside air be used for
combustion.
The following areas or types of structures may contain or be exposed
to certain substances, potentially requiring outside air for combustion:
a.
Commercial buildings;
b.
Buildings with indoor pools;
c.
Furnaces installed near chemical storage areas.
Exposure to the following substances:
a.
Permanent wave chemicals for hair;
b.
Chlorinated waxes and cleaners;
c.
Chlorine based swimming pool chemicals;
d.
Water softening chemicals;
e.
De-icing salts or chemicals;
f.
Carbon tetrachloride;
g.
Halogen type refrigerants;
h.
Cleaning solvents (such as perchloroethylene);
i.
Printing inks, paint removers, varnishes, etc.;
j.
Hydrochloric acid;
k.
Solvent based glue;
l.
Antistatic fabric softeners for clothes dryers;
m.
Acid based masonry cleaning materials.
1.5.3)
Ducted outdoor combustion air
Three burners are set up to duct outside combustion air directly to the
burner: the Beckett AFII and Riello 40-BF for side-wall venting using
the new DV-2000™ venting system, and the Beckett AFG for use with
conventional chimney venting. The Riello 40-F is not suitable for
direct-connected outdoor air.
The use of ducted outside combustion air is mandatory
for the DV-2000™ venting system. This system
operates on a balanced flue principle and will not
function properly if the combustion air piping is not
attached and sealed at all connections between the
vent terminal and burner inlet.
445 01 4024 03
CAUTION
Publicité
Table des Matières
