1. INTRODUCTION
Your range cooker is a semi-professional unit which gives you the power
and flexibility to realise your full potential in the kitchen. Inevitably, during
the cooking process, there will be heat, vapours and fumes produced.
Your Latour extractor has been designed to complement the range cooker
both in looks and performance in order to create the ideal environment for
creative cooking.
2. EXTRACTION PERFORMANCE
The most important influence on the performance of the extractor is the
design of the ducting which takes the exhaust air from the extractor to
the outside wall louvre. The duct route should be a prime consideration
during the initial stages of the kitchen design. Please note the following:
This hood is designed for ducting out, i.e. duct to an outside wall.
The extractor is provided with a spigot suitable for connecting
150mm diameter duct. Twin (2000 m
3
/hr versions) have two
blower assemblies complete with two separate exhaust spigots
for independent ducting to the outside.
Note: 150mm is the minimum duct diameter consistent with efficient
extraction.
The exhaust duct route length should be kept as short as possible
with as few bends as possible.
The most efficient configuration is to duct straight through an outside
wall so try to position the cooker against an outside wall when
designing your kitchen layout.
Rigid 150mm round ducting or an equivalent flat channel system will
perform best, with semi-rigid being the second best solution. Flexible
ducting is economical but it
’
s use should be minimised as it gives the
worst performance and should only be used for short duct runs or
initial connection and be pulled taut to prevent significant losses in
extraction efficiency. See section 6: Additional Ducting Information
A route with more than two 90
o
bends will significantly degrade the
performance of the extraction system. If possible, avoid having a 90
o
bend at the extractor exhaust spigot; keep bend radii as large as
possible to maintain a smooth airflow without vortices; avoid kinks in
flexible ducting; pull flexible ducting taut over straight runs to ensure
that the internal surface is as smooth as possible.
Duct runs in excess of 5 metres are not recommended and will
seriously impair efficiency - if you are concerned then please call for
advice.
Please also note that a 90
o
bend in the flexible or semi rigid ducting
will require 215mm minimum headroom to give a smooth radius with
no kinking.
3. IMPORTANT INFORMATION
Compliance with the following notices will ensure that the installed
product is safely installed and is safe to use.
The minimum distance between the hob and the bottom of the
extractor is essential to prevent overheating of the extractor and its
components.
The exhaust air must not be discharged into a flue which is used for
exhausting fumes from appliances supplied with energy other than
electricity, e.g. oil or gas-fired central heating boilers, gas-fired water
heaters, etc.
Requirements of the relevant authorities concerning the discharge of
exhaust air must be complied with.
Attention: This appliance requires an earth connection.
Ensure that the supply voltage corresponds to that marked on the
rating label inside the extractor.
The extractor must be isolated from the electrical supply before
carrying out any cleaning or maintenance operations.
Pay particular attention to fire risk when frying. To minimise the
risk of fire, all instructions relating to cleaning the grease filters
and removing grease deposits must be adhered to.
Do not flamb
é under the extractor.
See Section 7 for PRODUCT GUARANTEE information.
4. INSTALLATION
Do not throw away the box and any internal packaging until
installation is fully completed - the packaging may be required in the
unlikely event that hood must be returned.
The Latour Canopy range of built in hoods are designed to slot into an
opening made in a horizontal soffit panel - usually the underside of
kitchen furniture, timber canopies or false/real chimney breasts.
4.1. Prepare Opening
The soffit panel into which the unit is to be fixed must be between
15mm and 22mm thick.
Prepare an opening where the extractor is to be installed. Opening
and Extractor dimensions are shown in Section 8: Latour Canopy
General Arrangement Drawings.
4.2. Duct Installation
Make holes, as necessary, in the walls or ceiling to take the 150mm
diameter ducting from the extractor exhaust spigot to the outside. If
your extractor has twin spigots you will require two separate duct
runs to the outside
The exhaust duct route length should be kept as short as possible
with as few bends as possible - see Section 2.
If terminating on an outside wall a suitable weather louvre, designed
for connection to 150mm ducting or larger, should be fitted - an
airbrick must never be used. A variety of ducting components and
complete kits are available. See Section 6: Additional Ducting
Information.
For roof or chimney duct terminations please contact your supplier
or seek alternative specialist advice.
Recirculating Models Only
We do not recommend recirculating air installations and they should
be avoided wherever possible (see section 2).
For recirculating installations you must allow for the exhaust air to
blow back into the kitchen (or an adjacent room - e.g. utility room).
Open topped furniture or ducting to a vent back into the room are
common ways of achieving this as the air leaving the extractor
spigot must have somewhere to go.
Any ducting or openings used for return air must be at least
equivalent in cross sectional area to that of 125mm diameter duct
otherwise the unit may overheat and fail and you will invalidate your
warranty.
Additional ducting information and components can be found
in Section 6
Cooker-to-canopy clearance (minimum):
Recommended clearance range:
700 mm
750 - 850 mm
Canopy height (excluding Duct Spigot):
280 mm
Warning
The following is a requirement of UK and European legislation
and is in the interests of your safety.
If the room where the cooker hood is to be used contains a fossil fuel
burning appliance such as a gas or oil central heating boiler, then its
flue must be of the room sealed or balanced flue type. A ducted hood
is not suitable for use in a room where any open flue is in use, as
dangerous fumes of combustion can be sucked back in to the room.
This would include the following open flue appliances
–
central
heating boilers, coal fires, log fires, gas fires, wood burning stoves
etc. Therefore, if you have an open flue fossil fuel burning appliance
in your kitchen, you are automatically compelled to select a hood that
is capable of working in recycling mode.
BTH-C-950
BTH-C-1150
BTH-C-1400
BTH-CT-950
BTH-CT-1150
BTH-CT-1400
Latour Canopy Hood
Installation, Operation
& Maintenance
Instructions
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