Yeoman YM-CL8HB - Manual (Page 21)

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2.6 Extractor fans or cooker hoods must not be placed in the
same room or space as this can cause the appliance to emit
fumes into the room.
2.7 Increase air supply provisions where a room contains multiple
appliances.
2.8 The need for additional ventilation may also be identified
during the commissioning procedure and should be provided
if needed.
An inadequate air supply to the room is potentially
dangerous.
2.9 If any checks reveal problems do not proceed with the
fitting of the appliance until they have been rectified.
PRE-INSTALLATION CHECKS
2.1 Additional ventilation will be required to suit the
requirements of Building Regulations. This must be provided
using a permanently open air vent, of the size listed, which
is positioned so that it is not liable to be blocked both inside
and outside the building.
2.2 The appliance will require additional ventilation as listed*:
A ) Building design permeability greater than 5.0m³ (h.m²).
B ) Building design permeability less than 5.0m³ (h.m²).
Model
YM-CL8HB
A
Additional Ventilation
mm² 4400
cm² 44.00
in² 7.10
B
Additional Ventilation
mm² 7150
cm² 71.50
in² 11.54
2.3 Permanent air vents should be non-adjustable and positioned
where they are unlikely to be become blocked.
2.4 If vents open into adjoining rooms or spaces there must be an
air vent of at least the same size direct to the outside.
2.5 Site the vents where cold draught is unlikely to cause
discomfort. This can be avoided by placing vents near ceilings
or close to the appliance, see diagram.
2. VENTILATION
* Changes to Document J, England & Wales, from 01/10/2010