LG HB9522A Owner's manual

LG HB9522A Owner's manual
http://au.lge.com (Australia)
http://nz.lge.com (New Zealand)
Built-In Gas Cooktops
Installation and Operating Instructions
To avoid the risk of accidents or damage to the Gas Cooktops,
it is essential to read these operating instructions
before it is installed or used for the first time.
And please keep this manual for later reference.
P/No.: MFL62060301
Introduction ................................................................................. 3
1. Instructions for safe and proper use.........................................3
Instructions for the installer ...................................................... 5
2. Positioning of the hob...............................................................5
3. Electrical connection ................................................................9
4. Gas connection ......................................................................10
5. Adaptation to different types of gas........................................12
6. Final operations......................................................................16
Instructions for the user .......................................................... 19
7. Using the hob .........................................................................19
8. Cleaning and maintenance ....................................................21
These instructions are valid only for end user countries whose
identification symbol appear on the cover of this manual.
authorised person who must carry out a suitable check of the gas
system, install the appliance, set it functioning and carry out an
inspection test.
INSTRUCTIONS FOR THE USER: these contain user advice,
description of the commands and the correct procedures for
cleaning and maintenance of the appliance.
1. Instructions for safe and proper use
This manual is an integral part of the appliance and therefore must
be kept in its entirety and in an accessible place for the whole
working life of the cooking Hob. We advise reading this manual and
all the instructions therein before using the cooking Hob. Also keep
the series of nozzles supplied. Installation must be carried out by
qualified personnel in accordance with the regulations in force. This
appliance is intended for domestic uses and conforms to current
regulations in force. The appliance has been built to carry out the
following functions: Cooking and heating-up of food. All other
uses are considered improper.
The manufacturer declines all responsibility for improper use.
Do not leave the packing in the home environment. Separate the
various waste materials and take them to the nearest special
garbage collection centre.
It is obligatory for the electrical system to be grounded according to
the methods required by safety rules.
The plug to be connected to the power cable and the socket must
be the same type and must conform to current regulations.
Never unplug by pulling on the cable.
Immediately after installation carry out a brief inspection test of
the cooking Hob, following the instructions below. Should the
appliance not function, disconnect it from the supply and call the
nearest technical assistance centre.
Never attempt to repair the appliance.
Always check that the control knobs are in the position
“ZERO”(OFF) when you finish using the hob.
The identification plate, with technical data, serial number and
marking is clearly visible under the casing.
The plate on the casing must not be removed.
Before connecting the device, make sure that it has been regulated
for the type of gas that will feed it, checking the label under the Hob.
Do not put pans without perfectly smooth and flat bottoms on the
cooking hob grids.
Do not use pans or griddle plates that extend beyond the external
perimeter of the hob.
The hob is to be used by adults only. Do not let unsupervised
children play with the hob.
This appliance is designed for cooking food and it shall not be used
as a space heater.
Do not spray aerosols in the vicinity of this appliance while it is in
The manufacturer declines all responsibility for damage to
persons or things caused by non-observance of the above
prescriptions or by interference with any part of the appliance or
by the use of non-original spares.
Instructions for the installer
2. Positioning of the hob
This appliance shall be installed only by authorized persons in
accordance with AS5601 - Gas Installations, any statutory regulations,
local gas regulations, municipal building codes, electrical wiring
regulations, and the manufacturer's installation instructions.
Clearance around the appliance must comply with the requirements of
The following operation requires building and/or carpentry work so
must be carried out by a competent tradesman. Installation can be
carried out on various materials such as masonry, metal, solid wood or
plastic laminated wood as long as they are heat resistant (T 90°C).
2.1 Attachment to support structure
Create an opening with the dimensions shown in the figure in the top
surface of the counter, keeping a minimum distance of 50 mm from the
rear border.
This appliance is classified as “type Y” in relation to fire hazards and
can therefore be mounted against walls higher than the work surface on
condition that a certain distance “X” be kept between the appliance and
the wall as shown in the figure so as to avoid damage from overheating.
Make sure there is a minimum of 750 mm between the hot plate flames
and any shelf that may be installed directly above them.
Carefully position the insulating seal supplied on the outer perimeter of
the hole made in the counter top as shown in figure 4 (the dimensions
in the figure refer from the hole to the inside of the seal), trying to
ensure that it sticks across the whole of its surface by applying light
pressure with your hands. Fix the hob to the unit using the appropriate
Instructions for the installer
brackets B and spacers A as shown in graphics 1, 2 and 3. Spacers A
will help to keep the hob top at the right distance from the edge of the
counter top to avoid future overheating during operation. Carefully trim
the surplus away from edge C beyond the seal (Fig.5).
Overall dimensions: location of gas and electrical connection
points (all measures in mm).
60 cm 90 cm
* Dimension A, C : Clearances are
these for the hose assembly.
2.2 Clearance above and around domestic appliances
Extract from AS5601
1. Overhead clearances – (Measurement A)
Range hoods and exhaust fans shall be installed in accordance with
the manufacturer’s instructions. However, in no case shall the
Instructions for the installer
clearance between the highest part of the hob of the cooking
appliance and a range hood be less than 600 mm or, for an
overhead exhaust fan, 750 mm.
Any other downward facing combustible surface less than 600 mm
above the highest part of the hob shall be protected for the full width
and depth of the cooking surface area in accordance with Clause However, in no case shall this clearance to any surface be
less than 450 mm.
2. Side clearances – (Measurements B & C)
Where B, measured from the periphery of the nearest burner to any
vertical combustible surface, is less than 200 mm, the surface shall
be protected in accordance with Clause to a height C of not
less than 150 mm above the hob for the full dimension (width or
depth) of the cooking surface area. Where the cooking appliance is
fitted with a ‘splashback’, protection of the rear wall is not required.
3. Additional requirements for Freestanding and Elevated Cooking
Appliaces – (Measurements D & E)
Where D, the distance from the periphery of the nearest burner to a
horizontal combustible surface is less than 200 mm, then E shall be
10 mm or more, or the horizontal surface shall be above the trivet.
See insets above.
1. Requirement 3 does not apply to a freestanding or elevated cooking
appliance which is designed to prevent flames or the cooking
vessels from extending beyond the periphery of the appliance.
2. The ‘cooking surface area’ is defined as that part of the appliance
where cooking normally takes place and does not include those
parts of the appliance containing control knobs.
3. For definition of hob, see Clause 1.4.64.
4. For definition of trivet, see Clause 1.4.109.
5. Consideration is to be given to window treatments when located near
cooking appliances. See Clause 5.3.4.
3. Electrical connection
Make sure that the voltage and capacity of the power line conform
to the data shown on the plate located under the casing. Do not
remove this plate for any reason.
The plug on the end of the supply cable and the wall socket must
be the same type and conform to the current electrical system
Check that the power line is adequately grounded.
On the power line, install an omnipolar cut-off device with contact
cut-off distance greater than or equal to 3 mm, located in an easily
accessible position near the unit.
Do not use reducers, adapters or shunts.
If the power cable is replaced, the wire section on the new cable
must not be less than 1 mm2(3 x 1 cable), keeping in mind that
the end to be connected to the hob must have the ground wire
(yellow-green) longer by at least 20 mm. Use only H05V2V2-F
cable or similar which has a maximum temperature of 90°C.
Any replacement needed should be carried out by a specialised
technician who should make the mains connections according
to the following diagram.
L = brown
N = blue
= yellow-green
The manufacturer will not be liable for any damage to persons
or property caused by non-observance of the above instructions
or deriving from the tampering of even a single part of the hob.
Instructions for the installer
4. Gas connection
Use pipe-joint compound made for use with Natural U.L.P. gas.
The burner it controls is shown next to each knob (the
example corresponds to the front left burner).
This appliance is suitable for installation with Natural Gas
or ULPG (propane). Refer to page 12 for the relevant
burner pressure and appropriate injector sizes. When the
appliance is to be connected to Natural Gas then the
pressure regulator supplied must be fitted to the gas inlet.
A test point (for checking the gas pressure) is supplied
either with the regulator or as a separate fitting in the case
of ULPG (propane) appliances.
Connection of the appliance to the gas supply must be in accordance
with the requirements of AS5601. A 1/2” BSP connector at the inlet is
recommended and the gas supply line to the appliance must be of
adequate length to allow sufficient withdrawal of appliance for service
or disconnection and be:
1. annealed copper pipe or;
2. flexible hose according to AS/NZ1869 & be at least Class “B”,
10 mm diameter.
The appliance must be installed with provision to allow the gas to be
turned off and disconnected for servicing and removal of the appliance
as required from the gas supply.
Before the appliance is operated make certain all relevant parts are
placed in the correct position.
When the installation is completed the installation connections of
appliance will require to be leak tested, the burner operating pressure
and flame checked and adjusted.
Warranty service calls do not cover these adjustments!
To check the operating pressure of the appliance it is recommended at
least 2 large size burners are used. Ensure appliance is secured to wall
when installation is completed.
N.G. The regulator supplied must be fitted to the 1/2 BSP thread at the
rear of the appliance. An approved manual shut-off valve must be
installed. The N.G. regulator must be checked and adjusted to 1.0kPa
after installation.
U.L.P.G. Can be connected to the inlet fitting directly. The
pressure must be checked to ensure it is operating at
2.75kPa. A separate test point fitting must be installed
between the piping & the appliance for the pressure to be
checked to ensure it is operating at 2.75kPa.
4.1 Connection to ULPG
Use a pressure regulator and make the connection to the tank
according to the provisions of standards regulations in force. Make sure
that feed pressure conforms to the levels shown in the table in
paragraph “5.3 Regulation for ULPG”.
4.2 Ventilation of rooms
Caution – This hob may only be installed and operated in rooms
permanently ventilated in accordance with current regulations. For
proper operation of a gas appliance it is essential for the air necessary
for combustion of the gas to be able to flow naturally into the room. Air
must flow directly into the room through openings in its outside walls.
This (these) opening (s) must have a free passage cross-section of at
least 100 cm2or 200 cm2 for appliances not equipped with gas safety
device. These openings must be constructed so that they cannot be
obstructed indoors or outdoors, and should preferably be close to the
floor on the side opposite to the combustion gas discharge point. If it is
not possible to make the openings in the room where the cooker is
installed, the necessary air may be taken from an adjoining room,
proveded it is not a bedroom or a room with fire risk.
4.3 Discharge of combustion products
Discharge of combustion products must be guaranteed by means of
hoods connected to a natural draught flue with certain efficiency, or by
means of forced aspiration.
An efficient aspiration system requires careful planning by a specialist
capable of installing it, respecting the positions and distances
prescribed by standards. After installation, the installer must issue a
certificate of conformity.
Instructions for the installer
5. Adaptation to different types of gas
Before performing any cleaning or maintenance work,
disconnect the appliance from the electrical socket.
The hob has been adjusted for natural gas at a pressure of
1.0 kPa. For functioning with other types of gas the nozzles must be
replaced and the primary air adjusted.
To replace the nozzles and regulate the burners, you have to
remove the top as described in the following paragraph.
5.1 Removing the separable control panel (models with separable control panel)
1. Remove the knobs Pull-up the control panel on the upper left corner.
2. Raise the left-hand side of the control panel slightly and shift it to
the right to remove it completely;
3. In models with electric hotplate, the body of the pilot light has to
be removed to free the control panel;
5.2 Removing the hob (models with integrated control panel)
1. Remove the knobs, the griddles, the burner caps, the flame caps
and the two rear plugs;
2. Remove the screws “A” which fix the burner supports;
3. Raise the hob, sliding it off the ignition plugs and/or the thermocouples
and the gas tap rods;
5.3 Regulation for ULPG
Check that the connection has been made as described in the “Gas
connection” section.
Undo the screw “D” and push the air regulator “C” fully down. Use a
spanner to remove the nozzles “B” and fit those of suitable type
following the instructions given in the tables for ULPG - 2.75 kPa.
The nozzle must not be tightened to a torque of over 3 Nm.
Regulate the air flow by moving the Venturi pipe “C”, until the gap
“A” is as shown in the table in point “5.5 Regulation of primary air”
and fix it with the screw “D”. After making the adjustments, restore
the seals with sealing wax or an equivalent material.
Rapid large
Fish pan
ULPG – 2.75 kPa
Nominal gas
Instructions for the installer
5.4 Regulation for natural gas
The hob has been adjusted for natural gas at a pressure of
To allow the unit to work with this type of gas, perform the same
operations described in paragraph “5.3 Regulation for ULPG”, but
choose the nozzles and regulate the primary air for natural gas, as
shown in the following table and in paragraph “5.5 Regulation of
primary air”. After the regulations have been carried out, restore the
seals with sealing wax or equivalent material.
Rapid large
Fish pan
NG – 1.0 kPa
Nominal gas
5.5 Regulation of primary air
Referred to distance “A” in mm.
60 cm hobs with separable control panel.
Auxiliary (1)
Semirapid r (2)
Semirapid l (3)
Rapid large (4)
Wok (5)
NG - 1.0 kPa
ULPG - 2.75 kPa
90 cm hobs with separable control panel.
Auxiliary (1)
Semirapid (2)
Rapid (3)
Fish burner (4)
Wok (5)
NG - 1.0 kPa
ULPG - 2.75 kPa
60 cm hob with built-in control panel.
Auxiliary (1)
Semirapid r (2)
Semirapid l (3)
Rapid medio (4)
Wok (5)
NG - 1.0 kPa
ULPG - 2.75 kPa
To identify the burners on your hob, refer to the drawings in point
“6.3/6.4 Arrangement of burners on hob”
Instructions for the installer
6. Final operations
Having carried out the above adjustments, reassemble the
appliance following, backwards, the instructions in paragraph
“5.1 Removing the separable control panel / 5.2 Removing the
6.1 Regulation of minimum for natural gas
Reposition the components on the burner and
slide the knobs onto the cock stems.
Light the burner and set it on the minimum
position. Take the knob off again and turn the
regulating screw on the side of the cock stem
until a steady minimum flame is achieved.
Refit the knob and verify the burner flame is
stable (turning the knob rapidly from the
maximum to the minimum position the flame
must not go out).
6.2 Regulation of minimum for ULPG
To regulate the minimum for ULPG, completely tighten (clockwise)
the screw inside or next to the gas tap pin (depending on the model).
The diameters of the by-passes for each burner are given in table
“5.3 Regulation for ULPG”.
After having regulated the device with gas other than the one
tested, replace the label located on the guard with the one that
corresponds to the new gas. The label is inside the bag that
contains the nozzles provided.
6.3 Arrangement of the burners on the hob (hob with separable
control panel).
60 cm. hob
1. Auxiliary
2. Semirapid r
3. Semirapid l
4. Rapid large
5. Wok
90 cm. hob
1. Auxiliary
2. Semirapid
3. Rapid
4. Fish burner
5. Wok
Instructions for the installer
6.4 Arrangement of the burners on the hob (Hob with built-in
control panel).
60 cm. hob
1. Auxiliary
2. Semirapid r
3. Semirapid l
4. Rapid
5. Wok
6.5 Lubrication of gas taps
With time it may happen that the gas taps get blocked and hard to
Clean them inside and re-grease them. This operation must be
done by an authorised person.
Instructions for the user
7. Using the hob
Before turning on the burners, make sure that the burner rings,
caps and grids have been fitted correctly.
In the wok burner, notch A must be aligned with pin B.
Grid C provided is intended for use with woks (Chinese pans).
Adapter D comes only with open grids models and is intended
for use with small sized vessels.
7.1 Ignition of the burners
The device is fit with electronic ignition. Simply press and simultaneously
turn the knob counter-clockwise on the low point flame symbol, until the
burner is ignited. In models with safety valve, the knob has to be turned
to the ignition symbol
before it is pressed, and after ignition the knob
has to be kept pressed for about 2 seconds to keep the flame lit and to
activate the safety device.
The burner might go off when the knob is released. In this case repeat the
aforesaid operation keeping the knob pressed for more than 2 seconds.
Should the burners go off accidentally in the models with valves,
a safety device will trip after approximately 20 seconds to block
the gas outlet even if the cock is open.
7.2 Practical advice for using the burners
For better use of the burners and lower gas consumption, use
covered containers that are proportional in size to the burner to
prevent the flame from licking the sides (see paragraph “7.3
Diameter of containers”). When water reaches the boiling point,
lower the flame so that it doesn’t overflow. To avoid burns or
damage to the hob, all recipients or griddle plates must be
placed within the perimeter of the hob, at a distance of 3-4 cm
from the knobs. All containers have to have a flat and smooth
bottom. When using fats or oils, be extremely careful that they don’t
overheat and catch fire. If the flame accidentally goes out, turn off the
control knob and wait at least 1 minute before trying to re-light the burner.
Instructions for the user
7.3 Diameter of the pans
Rapid medio
Rapid large
Fish burner
Ø min. and max. (en cm.)
Special oval-shaped vessels
7.4 Using a griddle plate
A few precautions are necessary if you wish to use a griddle plate:
• leave a gap of at least 160 mm between the edge of the griddle
plate and the side wall;
• if one of the burners close to the wooden rear wall is of triple flame
type, leave a gap of at least 160 mm between this wall and the
edge of the griddle plate;
• do not allow the burner flames to extend beyond the edge of the
griddle plate;
• operate the burners underneath the griddle plate for 10 minutes at
maximum power, then turn them down to the minimum setting.
Never use the griddle plate for more than 45 minutes.
8. Cleaning and maintenance
Never use a steam jet to clean the appliance.
Before any intervention, disconnect the power supply of the device.
8.1 Cleaning
Clean the cooking top regularly every time you use it, obviously
after it has cooled.
8.1.1 Regular daily cleaning of the hob
In order to clean and preserve the surface, always use specific
products only, which do not contain abrasive substances or
chlorine-based acid substances.
How to use: pour the product on a damp cloth and wipe the
surface, rinse thoroughly and dry with a soft cloth or deerskin.
8.1.2 Food stains or residues
Do not use metallic sponges or sharp scrapers: they will
damage the surface.
Use normal non-abrasive products and remove spots or
residuals with non-scratch sponges or, if need be, with
wood or plastic utensils.
Rinse thoroughly and dry with a soft cloth or deerskin.
8.2 Cleaning of cooking hob components
CAUTION: do not wash these components in a dishwasher.
In normal use of the hob, the stainless steel burner caps and
pan-stands tend to be burnished by the high temperature.
Clean these parts using very fine abrasive sponges or similar
commercial products. Then use a specific paste polish to
restore the steel’s shine. Your local authorised after-sales
technician is able to supply professional products for appliance
cleaning and care.
Instructions for the user
Grids, caps, flame cap crowns and burners can be
removed for ease of cleaning. Wash them in warm
water using a non-abrasive detergent, taking care to
remove all tough spots. Before remounting, allow the
components to fully dry out. In fact, humidity residues inside the
burner holes might impair burner operation.
8.2.1 Ignition plugs and safety devices
For good functioning of the lighting ignition plugs and the
safety devices, keep them very clean.
Check frequently and clean with a damp cloth when
8.2.2 The cover
Clean the glass or steel cover, where mounted, with warm water.
Never use abrasive sponges or detergents.
Never lower the cover when burners or electric elements are
on or still hot.
Attention: the glass lid may break if overheated. Make sure that
all the burners are switched off and let them cool down before
lovering the lid.
LG Service on 1300 LG CARE (1300 54 2273) AUSTRALIA or
0800 LG CARE (0800 54 2273) NEW ZEALAND
LG Electronics Australia
2 Wonderland Drive
Eastern Creek NSW 2766
(ABN : 98 064 531 264)
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