Rangemaster RMB70HPNGFGL Instruction manual

RMB70HPNGFGL/
Gas on Glass Hob
User Guide
&
Installation & Service Instructions
U110607 - 04
Contents
1. Before You Start... 1
2. Hob Overview 3
3. Cleaning Your Hob 5
4. Troubleshooting 7
5. Installation 8
6. Conversion to LPG 13
Injectors 13 Tap Adjustment 14 Ax Label 14 Pressure Testing 14 Lubrication of the Gas Taps 14 Conversion to LP 15 Gas Connection 15 Connection to the Gas Supply 16 Pressure Testing 17 Electrical Connections 18 Hotplate checks 18 Customer Care 18
7. Circuit Diagram 19
8. Technical Data 20
9. Warranty/After Sales Service 22

1. Before You Start...

DocNo.011-0001 - Introduction gas
Thank you for buying a Rangemaster hob. It should give you many years trouble-free cooking if installed and operated correctly. It is important that you read this section before you start, particularly if you have not used a gas hob before.
CAUTION: This appliance is for cooking purposes
only. It must not be used for other purposes, for example room heating. Using it for any other purpose could invalidate any warranty or liability claim. Besides invalidating claims this wastes fuel.

Installation and Maintenance

In the UK, the hob must be installed by a CORGI registered gas engineer. The electrical installation should be in accordance with BS 7671. Otherwise, all installations must be in accordance with the relevant instructions in this booklet, with the relevant national and local regulations, and with the local gas and electricity supply company requirements.
Make sure that the gas supply is turned on and that the hob is wired in and switched on (the hob needs an electricity supply for ignition).
It is recommended that this appliance is serviced annually.
Only a qualied service engineer should service the hob and only approved spare parts should be used.
Always allow the hob to cool and then switch it o at the mains before cleaning or carrying out any maintenance work, unless specied otherwise in this guide.

Peculiar Smells

Make sure the room is well ventilated to the outside air (see ‘Ventilation’ below). People with respiratory problems should vacate the area for this brief period.

If You Smell Gas

• DO NOT turn electric switches on or off

Ventilation

CAUTION: Using a gas cooking appliance will result in the production of heat and moisture in the room in which it is installed. Make that the kitchen is well ventilated; keep natural ventilation holes open or install a powered cooker hood that vents outside. If you have several burners on or use the hob for a long time, open a window or turn on an extractor fan.

Personal Safety

Accessible parts will become hot during use and will
retain heat even after you have stopped cooking. Keep babies and children away from the hob and never wear loose-tting or hanging clothes while the appliance is in use.
When the hob is not in use make sure that the
control knobs are in the OFF position.
DO NOT use hotplate protectors, foil or hotplate
covers of any description. These may aect the safe use of your hotplate burners and are potentially hazardous to health.
Always keep combustible materials, e.g. curtains,
and ammable liquids a safe distance away from your hob.
Do not spray aerosols in the vicinity of the hob while
it is on.
Use dry oven gloves when applicable – using damp
gloves might result in steam burns when you touch a hot surface. Do not use a towel or other bulky cloth in place of a glove – it might catch re if brought into contact with a hot surface.
Never operate the hob with wet hands.
Never heat unopened food containers. Pressure
build up may make the containers burst and cause injury.
• DO NOT smoke
• DO NOT use naked flames
Do turn off the gas at the meter or cylinder
Do open doors and windows to get rid of the gas
Do keep people away from the area affected
Call your gas supplier
If you are using natural gas in the UK ring the National Grid on: 0800 111 999.
Do not use unstable saucepans. Always ensure that
you position the handles away from the edge of the hotplate.
Take care NOT to place metallic objects such as
knives, forks, spoons and lids on the hob surface since they can get hot.
The appliance is not intended to be operated by
means of external timer or separated remote-control system.
Never leave the hotplate unattended at high heat settings. Pans boiling over can cause smoking, and greasy spills may catch on re. Use a deep fat thermometer whenever possible to prevent fat overheating beyond the smoking point.
1
Never leave a chip pan unattended. Always heat fat
slowly, and watch as it heats. Deep fry pans should be only one third full of fat. Filling the pan too full of fat can cause spill over when food is added. If you use a combination of oils or fats in frying, stir them together before heating, or as the fats melt.
Foods for frying should be as dry as possible. Frost on frozen foods or moisture on fresh foods can cause hot fat to bubble up and over the sides of the pan. Carefully watch for spills or overheating of foods when frying at high or medium high temperatures. Never try to move a pan of hot fat, especially a deep fat fryer. Wait until the fat is cool.
Do not use water on grease res and never pick up a
aming pan. Turn o the controls and then smother a aming pan on a surface unit by covering the pan completely with a well tting lid or baking tray. If available, use a multi-purpose dry chemical or foam­type re extinguisher.
Take care that no water seeps into the appliance.
Only certain types of glass, glass-ceramic, earthenware or other glazed containers are suitable for hotplate cooking; others may break because of the sudden change in temperature.

Cleaning

In the interests of hygiene and safety, the hob should be kept clean at all times as a build up of fats and other foodstus could result in a re.
Clean only the parts listed in this guide.
Clean with caution. If a wet sponge or cloth is used to wipe spills on a hot surface, be careful to avoid steam burns. Some cleaners can produce noxious fumes if applied to a hot surface.
2
ArtNo.316-0025 RGG77 hob control to high
ArtNo.316-0026 RGG77 hob control to low
Semi-rapid Diameter: 16 - 18 cm Gas burner: 1.75 kW
Semi-rapid Diameter: 16 - 18 cm Gas burner: 1.75 kW
Auxilliary Diameter: 10 - 14 cm Gas burner 1.0 kW
Rapid Diameter: 20 - 22 cm Gas burner 3.0 kW
Wok Ring Diameter: 22 - 24 cm Gas burner 3.8 kW

2. Hob Overview

Fig. 2.1
Type Material Power supply
RMB70HPNGFGL/ Glass 230 V ~ 50Hz
The diagram by each of the control knobs indicates which burner that knob operates (Fig. 2.1). Each burner has a special Flame Safety Device (FSD) that stops the ow of gas if the ame goes out.
To light a burner, push in and turn the associated control knob anti-clockwise (Fig. 2.2) to the ‘high’ position indicated by the large ame symbol [
]. Keep the knob pressed down
for 3-5 seconds to let the gas through to the burner. The igniter should spark and light the gas.
If, when you let go of the control knob the burner goes out, then the safety device has not held in. Turn the control to the o position and wait one minute then try again, this time holding in the control knob for slightly longer.
Adjust the ame to suit by turning the control knob clockwise (Fig. 2.3).
Ensure that the ames are under the pans. Using a lid will help the contents boil more quickly (Fig. 2.4).
Large pans should be spaced well apart.
Fig. 2.2
Fig. 2.3
Fig. 2.4
ArtNo.311-0001 Right pans gas
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Fig. 2.5
Fig. 2.6
Fig. 2.7
ArtNo.311-0002 Pan with rim
Art No. 311-0003 Simmer aids
Pans and kettles with concave bases or down turned base rims should not be used (Fig. 2.5).
Simmering aids, such as asbestos or mesh mats, are NOT recommended. They will reduce burner performance and could damage the pan supports (Fig. 2.6).
You should also avoid using unstable and misshapen pans that may tilt easily, and pans with a very small base diameter, e.g. milk pans, single egg poachers (Fig. 2.7).
The minimum recommended pan diameter is 120mm. The maximum allowable pan base diameter is 250mm.

Wok Ring Burner

The wok ring burner is designed to provide even heat over a large area. It is ideal for large pans and stir frying. For heating smaller pans, the smaller hotplate burners may be more ecient.
Woks vary very widely in size and shape. It is important that the wok sits down on the pan support – however, if the wok is too small, the cradle will not support it properly (Fig. 2.8).
The cradle should be used on the wok burner only. When you t the cradle, make sure that it is supported properly on a pan support and the wok is sitting level in the cradle (Fig. 2.9).. The cradle will get very hot in use
Fig. 2.8
Fig. 2.9
ArtNo.311-0004 Tipping wok

Hob Care

The burner parts can be removed for cleaning; see ‘Cleaning your hob’.
You should wipe the top surface of the hob around the hotplate burners as soon as possible after spills occur. Try to wipe any spills o while the hob is still warm.
NOTE: The use of aluminium pans may cause metallic marking of the pan supports. This does not aect the durability of the enamel and may be cleaned o with an appropriate metal cleaner.
ArtNo.311-0006 Correct wok sizes
4
ArtNo.316-0009 RG70 triple ring burner
A
C
D
B
F
E

3. Cleaning Your Hob

Essential Information

Allow the cooker to cool and then isolate the electricity supply before carrying out any thorough cleaning.
Never use paint solvents, washing soda, caustic
cleaners, biological powders, bleach, chlorine based bleach cleaners, coarse abrasives or salt.
Do not mix dierent cleaning products – they may
react together with hazardous results.
All parts of the hob can be cleaned with hot soapy water – but take care that no surplus water seeps into the appliance.
Remember to switch on the electricity supply before re-using the cooker.
Regular cleaning is recommended. For easier cleaning, wipe away any spillages immediately.

Hotplate Burners

The burner heads and caps can be removed for cleaning.
DO NOT put the burner heads in a dishwasher.
Make sure they are absolutely dry before replacing them.
Fig. 3.1
A
C
B
E
D
A – Cap, B – Head, C – Notch, D – Base, E – FSD, F – Electrode
ArtNo.316-0007 Gas burner
F
Fig. 3.2
The Single Ring Burners
When retting the burner head, ensure that the notch and opening lines up with the electrode in the base (Fig. 3.1). Check that the burner head is level and that the cap is tted centrally on the burner head.
The Wok Ring Burner
The wok ring burner can also be taken apart for cleaning (Fig.
3.2).
When reassembling the burner (Fig. 3.2), the burner head (C) has two grooves which aligns with the FSD (E) and the Electrode (F).
Fit the 2 burner caps, making sure that they are seated properly.
A – Inner burner cap, B – Outer burner cap,
C – Burner head, D – Burner base, E – FSD, F – Electrode
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ArtNo.050-0009 Cleaning table 1
Hotplate top
Pan supports
Burner caps
Burner heads
Stainless steel or glass
Enamel coated cast iron
Enamel
Aluminium
Hot soapy water and a soft cloth. remove stubborn stains gently with a nylon scourer.
Cream cleaner and a nylon scourer; dishwasher.
Cream cleaner and a nylon scourer; dishwasher.
Cream cleaner or similar with a soft cloth. Take care not to be too vigorous.
Part Finish
Recommended
cleaning method
ArtNo.050-0010 Cleaning table 2
Control panel
Control knobs
Stainless steel or glass
Plastic and brushed aluminium
Damp soft cloth. Do not use abrasive cleaners on the lettering.
Damp soft cloth.
Part Finish
Recommended
cleaning method
Table 3.1 Cleaning the hotplate

Cleaning Table

Refer to the cleaning tables (Table 3.1 Cleaning the hotplate and Table 3.2 Cleaning outside the hotplate) for details on cleaning the hob.
The cleaners listed are available from supermarkets or electrical retailers. For enamelled surfaces use a cleaner that is approved fro use on vitreous enamel.
Table 3.2 Cleaning outside the hotplate
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