4
PROVISION FOR VENTILATION
The room containing the cooker should
have an air supply in accordance with
BS.5540: Part 2: 1989.
All rooms require an openable window or
equivalent while some rooms require a
permanent vent in addition to the opena-
ble window.
The cooker should not be installed in a
bed-sitting room, of volume less than
21 m
3
.
Where a DOMESTIC COOKER is instal-
led in a room or internal space, that room
or internal space shall be provided with
a permanent opening which communica-
tes directly with outside air and is sized
in accordance with table below. In dome-
stic premises the permanent opening
shall be an air vent.
If there are other fuel burning appliances
in the same room, BS.5540: Part 2: 1989
should be consulted to determine the
requisite air vent requirements.
If the cooker is installed in a cellar or
basement, it is advisable to provide an
air vent of effective area 100 cm
2
, irre-
spective of the room volume.
MINIMUM PERMANENT OPENING FREE AREA FOR FLUELESS APPLIANCE
5 m
3
to
10 m
3
Openable
window or
equivalent also
required
Maximum
appliance
rated input
limit
Room volume
11 m
3
to
20 m
3
> 20 m
3
< 5 m
3
Type of appliance
Domestic oven, hot-
plate, grill or any
combination thereof.
None
50 (
❊
)
cm
2
Nil
cm
2
Nil
cm
2
100
cm
2
Yes
(
❊
) If the room or internal space containing these appliances has a door which opens
directly to outside, no permanent opening is required.
Installation
Fig. 2
Plug
When the installation has been comple-
ted, it is essential that a thorough gas
soudness test is carried out. If a flexible
connector is used, ensure that the hose
is free from kinks and torsional stress
and is not touching the back of the
cooker.
