Zanussi ZHC4284 Manual Del Usuario página 18

INSTALLING THE COOKER HOOD
Extraction
The cooker hood is more effective when used in the extraction mode (ducted to the outside).
Venting kits may be purchased through your retailer or DIY store, and must be ducted to an outside vent of
Ø125mm (5") or Ø150mm (6").
For the best performance use the shortest possible duct run and the minimum number of bends.
Where flexible ducting is fitted it should not be turned through very tight bends as this may impair the performance of the
hood.
It is recommended a maximum length of 3 metres with one bend, to be installed, to be reduced metre for each 90o bend.
If a distance is greater than 3 metres the efficiency of the hood could be impaired.
The ducting used must be manufactured from fire retardent material conforming to the relevant British Standard or DIN
4102-B1.
When the cooker hood is ducted to the outside the charcoal filter must be removed.
Ducting Connection
Connect the ducting chosen to:
• the Ø150mm ducting spigot on top of the motor housing,
or the Ø150-120mm ducting spigot item 9 and secure
using the jubilee clips item 25.
• A Ø120-125mm collar item 10 is provided to fit over
the Ø120mm ducting spigot when 125mm ducting is
fitted.
If the room where the cooker hood is to be used
contains a fuel burning appliance such as a central
heating boiler, then its flue must be of the room
sealed or balanced flue type.
If other types of flue or appliances are fitted sure that
there is an adequate supply of air to the room.
The cooker ducting (extraction mode) must never
be connected to central heating flues, radiators or
water heaters etc.
Recirculation
The cooker hood is supplied specified for use in the recir-
culation mode, with the charcoal filter fitted.
In the recirculation mode contaminated air is passed
through the charcoal filter to be purified and recirculated
into the kitchen through the grille outlets on either side
of the chimney.
Recirculation Connection
• Insert the reducer flange 9 on the air outlet of the
extractor.
• Attach the adhesive Novastik gasket 13 to the air outlet
connection 15 and fix this to the upper frame using the
2 knobs 24.
• Fix the air outlet connection extension piece 14 to the
air outlet connection 15.
• Place the air outlet connection tube 29 between the two air outlets.
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