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Installing the cooker hood - Important notes
This instruction must be strictly adhered to. Failure to comply could result in overheating and serious
damage to your appliance. It is recommended that the installation is carried out by 2 people.
Before drilling or chiselling the wall or ceiling, check for pipes and power cables.
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If ducting externally, ensure the ducting tube is kept as short as possible and with a maximum number of 3 bends to
permit the smoothest airflow. (Maximum length, 3 meters).
•
Ducted air must not be discharged into a flue which is used for exhausting fumes from appliances supplied with
energy other than electricity, e.g. gas boilers, wood burners, open fires etc.
•
Check that requirements of the local authorities are adhered to concerning the discharge of exhaust air.
•
Ensure adequate room ventilation is provided when the cooker hood is used in the same room as appliances
supplied with energy other than electricity.
Never duct into a hot airflow such as a central heating duct.
We strongly advise that the outlet be fitted
with a non return v-flap.
•
Ø150mm optimal (outlet size).
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Only fit a reducer if smaller ducting is necessary.
•
A reducer and smaller ducting will reduce performance and create
more noise. Reducer included in the howdens ducting kits.
Tips for optimal air extraction:
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Keep duct-work short and straight.
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Do not reduce the size or diameter of the duct.
•
Keep duct-work taught to minimise pressure loss.
The extractor fills the half height cabinets on top of the cabinets.
Ducting needs to be considered on top of the cabinet. A full
height cabinet could be used to hide this.
2 part v-flap
Exclusive to Howdens
Reducer
9
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