19
630359_5
TWO DIFFERENT TYPES OF CONVECTION AIR VENTS
MUST BE PROVIDED;
ducted vents (vents connected to the
appliance spigot with flexible aluminium ducting) and non-
ducted vents (an aperture cut into the skamotec cavity wall
and finished with a decorative grill if desired. It is mandatory to
have at least 1 non ducted vent in the cavity wall (not
connected directly to the appliance). The minimum size for the
non-ducted vent is 176cm2.
If the number of ducted vents is decreased then the non-
ducted vent open surface area must be increased accordingly:
Number of ducted vents (attached to
appliance)
Open surface area of non-ducted vent
in cavity
4 x 176cm
2
176cm
2
3 x 176cm
2
176cm
2
X 2 =352cm
2
2 x 176cm
2
176cm
2
X 3 =528cm
2
1 x 176cm
2
176cm
2
X 4 =704cm
2
0
176cm
2
X 5 =880cm
2
THE AIR EXPELLED FROM THE DUCTING / VENTS IS
HOT AND MAY PRESENT A RISK OF BURNS OR HEAT
DAMAGE.
When placing outlets in rooms other than the room the
appliance is installed, it is important to allow for return air to
equalise pressure between the rooms.
There may be discoloration of the wall above the fire doors
and the convection outlet vents/holes. Only suitably rated and
approved aluminium flexible ducting and discharge vents must
be used – these have been carefully chosen to work safely
with your appliance. These are available solely from your
dealer/distributor.
Wherever the ducting penetrates the skamotec cavity, a wall
thimble that constrains the ducting, entirely seals the
penetration from the cavity and controls the distance to
combustibles or heat sensitive materials shall be used. Please
refer to your dealer for suitable parts.
Aluminium ducting and wall sealing plate
Figure 15
Figure 16
Summary of Contents for Varia 2L 80h-P7
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Page 23: ...23 630359_5 Corner L R Varia 2L 2R 80h P7 Double Sided Varia A FDh P8 Figure 23 Figure 24 ...
Page 26: ...26 630359_5 3 7 EXAMPLE OF CAVITY CONSTRUCTION Figure 30 Figure 31 ...
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