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− With a horizontal extraction duct, install it at a slight
incline to ensure that condensation does not run back
to the appliance.
− Condensation may arise as a result of temperature
differences if the extraction duct passes through cool
rooms. Ensure that the extraction duct is insulated.
− In case of an exhaust pipe through the outside wall
passing a cavity wall, make sure that the exhaust duct
fully bridges the cavity and slightly declines to the
outside.
− In case of an exhaust pipe through the wall, use a
wall vent.
− In case of an exhaust pipe through the roof, use a dou-
ble-walled roof passage with adequate outlet capacity.
− When connecting to a short extraction duct, it may
be desirable to install a non-return valve in the duct
in order to prevent backdraught from wind.
− Make sure that sufficient air is supplied. Fresh air can
be supplied by slightly opening a window or an outside
door or by installing an inlet grate.
− The appliance may not be connected to a flue or chim-
ney that is currently in use, or that serves as ventilation
for rooms with hearths.
Air supply
However large the kitchen or the room with open kitchen
is, only so much air can be extracted from the room as
is supplied. Too little air supply could result in a yield
loss of 50% and more.
If the extraction is used at the same time as a combus-
tion system (for example heaters fired by gas, oil, wood
or coal, hot water boilers using gas, gas hobs and gas
ovens), combustion gases may be sucked back in and
lead to poisoning.
A combustion system uses air from the room as com-
bustion air. Combustion gases arise as a result, which
are removed to the outside by an extraction system.
The appliance sucks in air from the kitchen and adjacent
rooms. Negative pressure occurs if the air supply is in-
adequate. The toxic gases are then sucked back from
the chimney or extraction duct into the room.
With simultaneous use of the appliance and combustion
appliances in the same room, the negative pressure may
not exceed 4 Pa (=0.04 mBar). Negative pressure can be
prevented by allowing sufficient air into the room through
openings that cannot be closed (for example through
windows or doors, in combination with a ventilation
cabinet in the wall).
Have an expert assess the overall ventilation system in
your home for a proposal on suitable measures in the
area of air supply.
When using the appliance with an internal or external
motor (unit) with air extraction to the outside, there must
be adequate air supply in the room where the appliance
has been installed / is positioned, so that fresh air can
flow in. Fresh air can be provided by tilting a window,
opening a door or installing an inlet grille.
Installation instructions for the outlet
− The appliance may only be connected with the power
plug to a socket with an earth (230 V – 50 Hz).
− Safety is only assured when the appliance is connected
to an earth cable in accordance with the instructions
laid down.
− The appliance must be able to be disconnected from
the power at any desired point.
− Position the socket in such a way that the power plug
of the appliance can be inserted easily.
− Do not use an extension cable for the connection to
the electrical mains.
− Electric shock: never switch on a faulty appliance, this
could cause an electric shock. Take the power plug out
of the socket, or switch off at the distribution cabinet.
Contact the Novy service department.
− Repairs and replacing faulty or damaged wiring must
only be carried out by technicians who have undergone
instruction by Novy.
− Moisture that has got into the appliance may cause an
electric shock. Do not use a high pressure or steam
cleaner.
2 ACCESSORIES
Accessories circular exhaust tube
− Circular exhaust tube
length 1000 mm Ø125 mm
− Connection piece Ø125 mm
− Curve 90° Ø125 mm
− Aluminium external grill for Ø125 mm
− Non-return valve Ø125 mm
− Circular exhaust tube
length 1000 mm Ø150 mm
− Connection piece Ø150 mm
− Curve 90° Ø150 mm
− Aluminium external grill for Ø150 mm
− Wall conduct kit for ducting Ø150 mm
including built-in heat retention
non-return valve
− Non-return valve Ø150 mm
− Y-piece 2x Ø 125mm - 1x Ø 150mm
General accessories
− Hose clamp adjustment Ø60-215 mm
− Aluminium tape roll 50 m
− Stainless steel cleaner: maintenance
product for cleaning the stainless steel
Further information on Novy products, accessories and
services may be found on the internet:
www.novy.co.uk
9
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