HCG450
Manual for Installation, Use and Maintenance
Customer Care Department • The
Group Ltd. • Harby Road • Langar • Nottinghamshire • NG13 9HY
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General warnings
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GB
Dear Customer,
Thank you for choosing our product. This appliance is easy to use;
read this handbook carefully before installing and using it, however.
You will find the correct indications for the best installation, use and
maintenance of the product.
•
•
Very important: keep this instruction booklet with the appliance in case
you pass it on to someone else.
This appliance is designed for non professional use by private
individuals at home. It must be used by conscious adults, do not
allow children to play with it. The front accessible parts of the
equipment could overheat during use.
•
•
Supervise children and non self-sufficient people when it is being
used so that they do not touch hot surfaces and are not near the
appliance while it is in use.
The product installation, both gas and electric, must be performed by
competent and qualified installers who are aware of the installation
regulations in force.
•
•
•
•
•
Before switching the appliance on check that it is correctly regulated for
the type of gas available (see relevant section).
Before maintenance or cleaning disconnect the appliance from the
mains and wait for it to cool down.
When the burners are lit check that the flame is always regular. Before
removing the saucepans turn the burners off.
The user must not change the appliance supply cable (for models
which have one). For replacement contact only a qualified engineer.
The use of a gas appliance produces heat and humidity in the room
where it is installed. Make sure that the room is well ventilated, keeping
the natural ventilation outlets open or installing a ventilation hood with
drain duct.
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General warnings
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•
•
If a gas appliance is used for a long time it may require extra ventila-
tion (opening a window or increase of the forced exhaust).
Be careful not to place saucepans with unstable or deformed bottoms
on the burner to avoid accidents by overturning or spilling over of
liquid.
•
•
If a burner is turned off accidentally turn off the control knob and try to
light it again after waiting at least a minute.
For any repairs always contact an authorised Technical Customer
Service Centre and ask for original spare parts. Repairs by untrained
people can lead to damage.
•
•
•
These instructions are valid only for the countries of destination, the
symbols of which appear on the cover and on the appliance.
The appliance is not intended to be operated by means of an external
timer or separate remote-control system.
This product is for cooking and heating food. Do not use it for other purposes.
This appliance complies with the following directives:
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−
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2006/95/CE (low voltage)
2004/108/CE (electromagnetic compatibility)
89/109/CE (foodstuffs)
2009/142/CE ex 90/396/CE (gas fittings)
2002/96/CE (WEEE)
2005/32/CE (EuP)
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Instructions for use
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Description of the main parts of the appliance
1
2
3
4
6
5
1 = grid
2 = cover
3 = spreader
4 = ON spark plug
5 = safety valve (for models equipped with a safety valve)
6 = knob for burner ignition and adjustment
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Instructions for use
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The hob control area houses the devices and knobs for operation of the gas
burners.
Operation of gas burners
In order to ignite a burner, it is necessary to depress the knob while rotating it anti-
clockwise, till the index is aligned with the position corresponding to the maximum
gas delivery (i.e. the large flame symbol). As far as the
models equipped with a safety valve are concerned,
once the flame is lit hold the knob depressed for about
3-4 seconds, till the device keeps the burner automati-
cally lit. At this moment it is possible to adjust the flame
intensity by rotating the knob anticlockwise from such
maximum position to the minimum one (i.e. the small
flame symbol).
In order to turn the burner off, rotate the knob clockwise bringing the index back to
the position corresponding to the closure symbol
.
RECOMMENDATIONS
In case of electric power failure, it is necessary to carry out the above-described
operations by putting a gas lighter or a flame near the burner (in such an event, pay
the utmost attention not to burn yourself).
The safety valve (for models where such item is provided) intervenes in case of acci-
dental flame failure, blocking the gas delivery (e.g.: air draughts, spillage of liquids,
etc.).
In any case, the ignition device must not be actuated for longer than 15 seconds.
Should the ignition manoeuvre fail, or should the burner be accidentally turned off,
immediately close the actuation knob and repeat the ignition after one minute at
least.
Once the ignition has taken place, adjust the flame according to your needs.
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Instructions for use
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Advice on the use of gas burners
For lower gas consumption and a better yield, use saucepans with diameter suita-
ble for the burners, avoiding the flame coming up round the side of the saucepan
(see the Container Table). Use only flat-bottomed pans.
As soon as a liquid starts to boil, turn the flame down to a level sufficient to maintain
boiling.
During cooking, when using fats and oils, be very careful because if they overheat
they could catch fire.
Take care that the containers don't escape from the edges of the plan and don't
invade the control panel.
Container table (use flat-bottomed saucepans)
Burners
(heights cover)
mm
Ø min. Saucepan
(mm)
Ø max. Saucepan
(mm)
Auxiliary
(Ø = 55)
90
160
180
260
260
130
150
150
Medium quick (Ø = 75)
Quick
(Ø = 100)
Triple ring
(Ø = 105)
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Instructions for use
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Maintenance and cleaning
Do not use jet of steam for cleaning.
Before any operation disconnect the appliance electrically. Wash the enamelled
parts with lukewarm water and detergent. Do not use abrasive products.
Wash the burner spreader frequently with boiling water and detergent being sure to
remove any deposits which could block the flame outlet. Rinse the stainless steel
parts well with water and dry them with a soft cloth.
To clean the hob use slightly damp sponges and wiping cloths: if too much water is
used it could penetrate the internal parts and damage electrical parts.
The grids of the hob can be washed in the dishwasher.
For persistent stains use normal non-abrasive detergents, specific products com-
monly available on the market or a little hot vinegar. Clean the glass hob with hot
water, avoiding the use of rough cloths.
Do not use stainless steel pads or acids for cleaning.
To prevent lighting difficulties, carefully clean the lighting spark
plugs regularly (ceramic and electrode).
Periodically, or if the knobs become difficult to turn, contact a
qualified engineer to lubricate the taps.
Contact a qualified engineer to deal with any other problems
which may arise during use.
Important. IN CASE OF BURNERS REMOVAL FOR CLEANING PURPO-
SES, WE RECOMMEND TO MAKE SURE THAT ALL PARTS ARE COR-
RECTLY POSITIONED BEFORE IGNITING THE BURNERS AGAIN.
NO
YES
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Instructions for installation
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Below we give the instructions for qualified installers so that the installation,
setting and maintenance operations are performed correctly and according
to the regulations in force.
Positioning
This appliance isn’t connected to any scavenging devices of combustion
products.
The appliance can only be installed and operate in permanently ventilated
rooms according to the local regulations in force.
The natural flow of air must be direct through permanent holes made in the
walls of the room to be ventilated leading to the outside, or through single
or collective branched ventilation ducts.
The ventilation openings must have a effective cross-section of at least 100
cm2 and must be protected against accidental blocking (protection with
metal grills or grids). For appliances without safety valve on the hob, the
opening section is doubled with a minimum of 200 cm2.
There may also be an indirect flow of air from rooms next to that where the
appliance is installed, as long as these rooms have direct ventilation, there
is no fire risk in these rooms and they are not bedrooms.
The flow of air between adjacent room and the room where it is installed
must be free through permanent openings (which may be obtained by
making the gap between door and floor larger).
In the room where it is installed there must be a system for leading the com-
bustion fumes to the outside. This may be with a hood or an electric fan
which switches on when the appliance is switched on.
Gas connection
The appliance must be connected to the gas supply or the cylinder accor-
ding to the specifications of the standards in force and after checking that
it is adjusted for the type of gas available.
The appliance is set up to operate with the gas specified on the calibration
label placed both on the packaging and on the back of the appliance.
When the type of gas available does not correspond to that for which the
appliance is set up, replace the corresponding injectors (provided), being
careful to put on the new calibration label (provided) and remove the old
one.
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Instructions for installation
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To perform these operations the qualified installer will follow the indications
given in the "Adaptation to the various types of gas" section.
For safety operation make sure that the supply pressure respects the values
given in the "Table of burner and injector characteristics”.
If the appliance is supplied with liquid cylinder gas, make sure that the cylin-
der pressure regulator conforms to the local regulations in force.
The appliance must be connected to the gas system by a rigid metal pipe
(copper or steel) or continuous wall stainless steel flexible hose in such a
way that the appliance is not stressed in
Pipe ramp
any way.
Nut
The appliance gas inlet tube has an end
nut to which is connected the elbow union
Gasket
(supplied; 1/2 thread male gas). It can be
turned depending on installation needs.
Elbow union
The rigid or flexible metal supply pipe (l
max = 2mt) is connected to the part oppo-
site the elbow union. Remember to put the
Gasket
Nut
gaskets supplied at the two ends of the
elbow union.
When these parts are disassembled and
Rigid or flexible metal
supply pipe
reassembled, always replace the gaskets
with new ones.
Once the appliance is installed, check that the gas pipe is not pinched or
damaged by mobile parts.
Important: when installation is complete, check that all the gaskets are
leaktight using a soap-based solution, never a flame.
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Instructions for installation
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ELECTRICAL CONNECTION
The appliances are provided with a three-pole feeding cable and work with
alternate current and single-phase voltage indicated on the “rating plate of
the product “report at the end of the instruction manual and on the product.
The grounding conductor of the cable is marked with the colours
yellow/green.
CONNECTION OF THE FEEDING CABLE TO THE MAINS
Connect the feeding cable to a plug suitable for the load indicated on the
rating plate of the product. In case of a direct connection to the mains
(cable without plug), it is necessary to insert a suitable omnipolar switch
before the appliance, with minimum opening between contacts of 3 mm
(the grounding wire should not be interrupted by the switch).
Before connecting to the mains, make sure that:
• the electrical counter, the safety valve, the feeding line and the socket are
adequate to withstand the maximum load required (see rating plate).
• the supply system is regularly grounded, according to the regulations in
force.
• the socket or the omnipolar switch can easily be rea-
ched after the installation
• after carrying out the connection to the mains, check
that the supplying cable does not come into contact
with parts subject to heating.
• never use reductions, shunts, adaptors which can
cause overheating or burning.
When the appliance is to be installed above a built-in oven, the two applian-
ces must be connected separately, to make it easier to take the appliances
out and for electrical safety.
The manufacturer is not liable for any direct or indirect damage cau-
sed by faulty installation or connection. It is therefore necessary that
all installation and connection operations are carried out by qualified
personnel complying with the local and general regulations in force.
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Instructions for installation
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Adaptation to different types of gas
To adapt the appliance to a gas different from that for which it was set up
(see label on both the packaging and the bottom of the appliance) proceed
as follows:
• remove the grids
• remove the covers and the spreaders
• with a 7 mm socket spanner unscrew and remove the
injectors.
• replace the injectors with those supplied corresponding
to the gas available (see burner and injector characte-
ristics Table)
• replace the various parts proceeding in reverse.
Remember to replace the old rating plate with the new
one (supplied).
Whenever the gas pressure used is different (or variable)
from that used, install a pressure regulator which conforms to the local regu-
lations in force on the input pipe.
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Instructions for installation
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Setting the minima
The flame on the small output is regulated in the factory. When the injec-
tors have been replaced or there are special mains pressure conditions, it
may be necessary to regulate the minimum again. The operations neces-
sary to perform this operation are the following:
• light the burner
• turn the knob to the minimum position
• take out the knob (and gasket if there is one)
• using a suitably sized screwdri-
ver turn the regulation screw insi-
de or by the side of the tap shaft
until a small regular flame is
obtained
• put the knob back on and turn it
quickly from the maximum posi-
tion to the minimum position,
checking that the flame does not
go out
• for burners with safety valve make sure that the regulation obtained is
sufficient to maintain heating of the thermocouple. If it is not increase the
minimum.
Regulation of minimum for LPG
To regulate the minimum for LPG, completely tighten (clockwise) the screw
inside or next to the gas tap pin.
The operations described above can easily be performed whatever the
positioning or fastening of the hob to the cabinet.
THE BURNERS REQUIRE NO REGULATION OF THE PRIMARY AIR.
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Instructions for installation
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Burner and nozzle characteristic table
CAT. II 2H3 +
Thermal power (*)
(kW)
Liquid gas
Natural gas
By
pass
1/100
mm
Burner
Output
Injector
Injector
1/100mm
(heights cover)
Output (l/h)
(g/h)
1/100mm
(mm)
G20
Rated
Reduced
G30 - G31
Triple ring
(Ø = 105)
G20=2,5
G30=2,6
55
1,2
182 - 179
82
238
115
Quick
(Ø = 100)
44
3
0,9
218 - 214
85
286
115
Medium quick
34
29
1,75
0,6
127 - 125
65
50
167
95
95
69
(Ø = 75)
Auxiliary
(Ø = 55)
1
0,45
73 - 71
Rated supply pressure
(mbar) (1 mbar ≅ 10,197mm H O)
G30 = 28 - 30
G31 = 37
G20 = 20
2
(*) = With dry gas and with greater calorific power (H ) at 15°C and 1013,25 mbar
s
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Instructions for installation
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Instructions for building in the units
The appliance is of class 3. It can be installed with just one side part (to right
or left of the hob) higher than the cooking hob and placed at a minimum
distance as shown in figure.
It can be built into all units whose walls withstand a temperature 65°C higher
than room temperature (UNI EN 30-1-1 e/o CEI EN 60335-2-6).
Avoid installing the appliance near inflammable materials (e.g. curtains,
cloths, etc.).
The dimensions of the openings for building in are given in the figure which
also gives the minimum distances to be respected between the hole for buil-
ding in and the side and back walls.
440
500
500
440
30
30
185 min
410
185 min
60min
60min
480
410
480
(mm)
(mm)
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Instructions for installation
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• Position the special sealed gasket (provided) on the
edge of the hob making sure that the ends meet without
one lying on top of the other.
• Put the hob in the unit opening making sure that it is
centred.
• Fasten the hob to the unit with the fastening brackets.
The traction of the screws will be enough to cut the sea-
ling gasket so that the excess can easily be removed.
Warnings
If there is a hanging unit over the cooking hob it must
be at least 600 mm away from it.
85
mm
In order to avoid excessive overheating, even if there
is no oven below, it is necessary to provide a separa-
ting space having at least the size of the embedment
hole.
SEPARATOR
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