GB Users Operating Instructions Before operating this cooker, please read these instructions carefully DTC 90 DF Twin cavity Dual Fuel Cooker
Introduction Congratulations on your purchase of this Delonghi Dual fuel cooker which has been carefully designed and produced to give you many years of satisfactory use. Before using this appliance it is essential that the following instructions are carefully read and fully understood. We would emphasise that the installation section must be fully complied with for your safety to ensure that you obtain the maximum benefits from your appliance.
IMPORTANT INSTRUCTIONS AND ADVICE FOR THE USE OF ELECTRICAL APPLIANCES The use of any electrical appliance requires the compliance with some basic rules, namely: – do not touch the appliance with wet or damp hands (or feet) – do not use the appliance whilst in bare feet – do not allow the appliance to be operated by children or unqualified persons without supervision. The manufacturer cannot be deemed responsible for damages caused by wrong or incorrect use.
IMPORTANT SAFEGUARDS AND RECOMMENDATIONS After having unpacked the appliance, check to ensure that it is not damaged. In case of doubt, do not use it and consult your supplier or a professionally qualified technician. Packing elements (i.e. plastic bags, polystyrene foam, nails, packing straps, etc.) should not be left around within easy reach of children, as these may cause serious injuries. 4 ■ ATTENTION: please peel plastic cover off both sides and front of the cooker before use.
■ The various components of the appliance are recyclable. Dispose of them in accordance with the regulations in force in your country. If the appliance is to be scrapped, remove the power cord. ■ Always use oven gloves when removing the shelves and food trays from the oven whilst hot. ■ Do not hang towels, dishcloths or other items on the cooker or its handle – as this could be a fire hazard. ■ Clean the oven regularly and do not allow fat or oils to build up in the oven base or trays.
1 Cooking hob 2 2 4 1 3 Fig. 1.1 COOKING HOB 1. 2. 3. 4. Auxiliary burner (A) Semi-rapid burner (SR) Rapid burner (R) Triple-ring burner (TR) 1,00 kW 1,75 kW 3,00 kW 3,50 kW Important Note: The electric ignition is incorporated in the knobs.
2 Control panel Fig. 2.1 11 12 A U T O 1 2 3 4 5 6 7 8 9 10 CONTROL PANEL - Controls description 1. Electronic clock/end cooking timer (main left oven only) 2. Fan main oven thermostat knob 3. Fan main oven switch knob 4. Front left burner control knob 5. Rear left burner control knob 6. Central burner control knob 7. Rear right burner control knob 8. Front right burner control knob 9. Conventional oven switch knob 10. Conventional oven thermostat knob Pilot lamps: 11.
3 Electronic clock/end cooking timer (main left oven only) The electronic programmer is a device with the following functions: – 24 hours clock with illuminated display – Timing of oven cooking with automatic switch-off (max. 99 minutes). ELECTRONIC CLOCK Upon immediate connection of the oven or after a mains failure, three zeros will flash on the programmer panel. To set the clock it is necessary to push the button and then, within 7 seconds, the or button until you have set the correct time.
COOKING WITH AUTOMATIC SWITCH-OFF (main left oven only) The aim of this function is to automatically stop the cooking after a pre programmed time, for a maximum period of 99 minutes. To set the cooking time, push the or button until you obtain the desired time in the display. The symbol AUTO will be shown in the display. Then you adjust the oven thermostat knob according to the required temperature. The oven will immediately start to operate and will work for the pre programmed time.
4 How to use the hob burners HOB BURNERS Each hob burner is controlled by a separate gas tap operated by a control knob (fig. 4.1) which has 3 positions marked on the control panel, these are: – Symbol – Symbol – Symbol 0 : tap closed (burner off) : High (maximum) : Low (minimum) Fig. 4.1 Push in and turn the knob anticlockwise to the selected position. Low High To turn the burner off, fully rotate the knob clockwise to the off position: 0.
LIGHTING THE BURNERS To ignite the burner, the following instructions are to be followed: 1) Lightly press and turn the knob anti-clockwise, and position the knob indicator to the symbol printed on the control panel (fig. 4.1). 2) Press the knob to operate the electric ignition; or, in the case of a mains failure light the burner with a match or lighted taper. 3) Adjust the burner according to the setting required.
5 Left main Fan oven Attention: the oven door becomes very hot during operation. Keep children away. GENERAL FEATURES The heating and cooking in electrical hot air ovens take place by forced convection.
Fig. 5.1 Fig. 5.2 THERMOSTAT KNOB (Fig. 5.1) This only sets the cooking temperature and does not switch the oven on. Rotate clockwise until the required temperature is reached (from 50 to 250°C). The light above the temperature selector will illuminate when the oven is swiched on and turns off when the oven reaches the correct temperature. The light will cycle on and off during cooking in line with the oven temperature. FUNCTION SELECTOR KNOB (Fig. 5.
HOT AIR COOKING The circular element and fan come on. The heat is dispersed by forced convection and the temperature can be regulated to between 50° and 250°C via the thermostat knob. The oven does not require preheating. Recommended for: Food which has to be well-cooked outside and soft or rosy inside, for example lasagne, lamb, roast beef, whole fish etc. GRILLING The infrared grill element comes on. The heat is dispersed by radiation. Set the thermostat knob to between 50° and 200°C.
REGENERATION Set the switch to position and the thermostat knob to position 150° C. Bread becomes fragrant again if wet with a few drops of water and put into the oven for about 10 minutes at the highest temperature. ROASTING To obtain classical roasting, it is necessary to remember: – that it is advisable to maintain a temperature between 180° and 200 °C. – that the cooking time depends on the quantity and the type of foods.
6 Right small Conventional oven Attention: the oven door becomes very hot during operation. Keep children away.
FUNCTION SELECTOR KNOB (Fig. 6.1) Rotate the knob clockwise to set the oven for one of the following functions. OVEN LIGHT By setting the knob to this position, only the oven light comes on. It remains on in all the cooking modes. TRADITIONAL CONVECTION COOKING The upper and lower heating elements come on. The heat is dispersed by natural convection and the temperature must be set to between 50° and 250°C via the thermostat knob. The oven must be preheated before cooking.
7 Cooking guide Temperature and times given are approximate, as they will vary depending on the quality and amount of food being cooked. Remember to use ovenproof dishes and to adjust the oven temperature during cooking if necessary. APPROX. TEMPERATURE HEAT OF TYPE OF DISH TO COOK OVEN 125°C (257°F) Very cool oven Meringue, slow cooking foods. 135°C - 140°C (275°F - 285°F) Cool or slow oven Milk puddings, very rich fruit cakes, eg., Christmas.
Important notes Installation, and any demonstration, information or adjustments are not included in the warranty. The cooker must be installed by a qualified person in accordance with the relevant Standards. In the UK C.O.R.G.I registered installers are authorised to undertake the installation and service work in compliance with the above regulations. All Comet authorised installers are C.O.R.G.I. registered. Attention The appliance gets very hot, mainly around the cooking areas.
Do’s and do not’s • Do always grill with the ovens door closed. • Do read the user instructions carefully before using the cooker for first time. • Do allow the oven to heat for one and a half hours, before using for the first time, in order to expel any smell from the new oven insulation, without the introduction of food. • Do clean your oven regularly. • Do remove spills as soon as they occur. • Do always use oven gloves when removing food shelves and trays from the ovens.
8 Cleaning and maintenance GENERAL ADVICE – When the appliance is not being used, it is advisable to keep the gas tap closed. – Every now and then check to make sure that the flexible tube that connects the gas line or the gas cylinder to the appliance is in perfect condition and get it replaced if it shows any signs of wearing or damage. – The periodical lubrication of the gas taps must be done only by specialised personnel. – If a tap becomes stiff, do not force; contact your local Service Centre.
ENAMELLED PARTS All the enamelled parts must be cleaned with a sponge and soapy water or other non-abrasive products. Dry preferably with a microfibre or soft cloth. Acidic substances like lemon juice, tomato sauce, vinegar etc. can damage the enamel if left in contact for too long. STAINLESS STEEL, ALUMINIUM PARTS AND SILK-SCREEN PRINTED SURFACES Clean using an appropriate product. Always dry thoroughly. IMPORTANT: these parts must be cleaned very carefully to avoid scratching and abrasion.
BURNERS The burners can be removed and washed with soapy water only. They will remain perfect if always cleaned with products used for silverware. After cleaning, check that the burnercaps and burner-heads are dry before placing them in the respective housings. Note: • Do not clean burners in a dishwasher. • To avoid damage to the electric ignition do not use it when the burners are not in place.
TRIPLE RING BURNER The triple ring burner must be correctly positioned (see fig. 8.3); the burner rib must be enter in their logement as shown by the arrow. The burners must be correctly positioned so that they cannot rotate (fig. 8.4). Then position the cap A and the ring B (fig. 8.4 - 8.5). Fig. 8.3 A B Fig. 8.4 24 Fig. 8.
OVEN DOORS STORAGE COMPARTMENT The internal glass panel can be easily removed for cleaning by unscrewing the 2 retaining screws (Fig. 8.6). The storage compartment is accessible through the pivoting panel (fig. 8.7). Do not use harsh abrasive cleaners or sharp metal scrapers to clean the oven door glass since they can scratch the surface, which may result in shattering of the glass. Do not store flammable material in the ovens or in the storage compartment. Fig. 8.6 Fig. 8.
INSIDE OF OVEN The oven should always be cleaned after use when it has cooled down. The cavity should be cleaned using a mild detergent solution and warm water. Suitable proprietary chemical cleaners may be used after first consulting with the manufacturers recommendations and testing a small sample of the oven cavity. Abrasive cleaning agents or scouring pads/cloths should not be used on the cavity surface.
REMOVING THE OVEN DOORS Fig. 8.10A The oven doors can easily be removed as follows: – Open the door to the full extent (fig. 8.10A). – Attach the retaining rings to the hooks on the left and right hinges (fig. 8.10B). – Hold the door as shown in fig. 8.10. Fig. 8.10B – Gently close the door and withdraw the lower hinge pins from their location (fig. 8.10C). – Withdraw the upper hinge pins from their location (fig. 8.10D). – Rest the door on a soft surface.
Advice for the installer IMPORTANT – Cooker installation must only be carried out by QUALIFIED TECHNICIANS and in compliance with local safety standards. Failure to observe this rule will invalidate the warranty. – The appliance must be installed in compliance with regulations in force in your country and in observation of the manufacturer's instructions. – Always unplug the appliance before carrying out any maintenance operations or repairs.
9 Installation 450 mm 650 mm This cooker has class “2/1” overheating protection so that it can be installed next to a cabinet. The appliance may be installed in a kitchen, Kitchen/diner or a bed sitting room, but not in a room or space containing a bath or a shower. The appliance must not be installed in a bed-sitting room of less than 20 m3. The appliance is designed and approved for domestic use only and should not be installed in a commercial, semi commercial or communal environment.
FITTING THE ADJUSTABLE FEET The adjustable feet must be fitted to the base of the cooker before use. Rest the rear of the cooker on a piece of the polystyrene packaging exposing the base for the fitting of the feet. Fig. 9.2 Fit the 4 legs by screwing them tight into the support base as shown in picture 9.3. Fig. 9.3 LEVELLING THE COOKER The cooker may be levelled by screwing the lower ends of the feet IN or OUT (fig. 9.4). Fig. 9.
MOVING THE COOKER WARNING When raising cooker to upright position always ensure two people carry out this manoeuvre to prevent damage to the adjustable feet (fig. 9.5). WARNING Be careful: do not lift the cooker by the door handle when raising to the upright position (fig. 9.6). Fig. 9.5 WARNING When moving cooker to its final position DO NOT DRAG (fig. 9.7). Lift feet clear of floor (fig. 9.5). Fig. 9.6 Fig. 9.
Stability bracket We recommend a stability bracket is fitted to the cooker. The type shown in fig. 9.8 can be purchased from most plumbers merchants and do it yourself (D.I.Y.) shops. Existing slot in rear of cooker Bracket Fig. 9.
PROVISION FOR VENTILATION ✓ The appliance should be installed into a room or space with an air supply in accor- dance with BS 5440-2: 2000. ✓ For rooms with a volume of less than 5 m3 - permanent ventilation of 100 cm2 free area will be required. ✓ For rooms with a volume of between 5 m3 and 10 m3 a permanent ventilation of 50 cm2 free area will be required unless the room has a door which opens directly to the outside air in which case no permanent ventilation is required.
10 Gas installation IMPORTANT NOTE This appliance is supplied for use on NATURAL GAS or LPG (check the gas regulation label attached on the appliance). ✓ Appliances supplied for use on NATURAL GAS: they are adjusted for this gas only and cannot be used on any other gas (LPG) without modification. The appliances are manufactured for conversion to LPG. ✓ Appliances supplied for use on LPG: they are adjusted for this gas only and cannot be used on any other gas (NATURAL GAS) without modification.
Gas connection The installation of the gas appliance to Natural Gas or LP Gas must be carried out by a C.O.R.G.I. registered installer. Installers shall take due account of the provisions of the relevant British Standards Code of Practice, the Gas Safety Regulations and the Building Standards (Scotland)(Consolidation) Regulations issued by the Scottish Development Department. Installation to Natural Gas Installation to Natural Gas must conform to the Code of Practice, etc.
Gas connection GB Cat: II 2H3+ The gas supply must use the nearest gas inlet pipe which is located at the left or the right hand side at the rear of the appliance (figs. 10.1, 10.3). The hose should also be connected in such away that it does not touch the floor. To screw the connecting tube operate with two spanners (fig.10.2). The unused end inlet pipe must be closed with the plug interposing the gasket.
IMPORTANT PRESCRIPTIONS FOR GAS CONNECTION 700 mm Rear wall 200 mm Suggested area for gas mains connection Fig. 10.
Conversion to Natural Gas or to LPG INJECTORS REPLACEMENT OF THE TOP BURNERS J If the injectors are not supplied they can be obtained from the “Service Centre”. The diameter is marked on the injector in cents of millimetre. Select the injectors to be replaced according to the “Table for the choice of the injectors” (page 39). To replace the injectors: – Remove the gratings, the burner and the covers; – Using a wrench, substitute the nozzle injectors “J” (Figs. 10.4 - 10.
GB TABLE FOR THE CHOICE OF THE INJECTORS Cat: II 2H3+ BURNERS Nominal Reduced Power Power [kW] [kW] G 20 20 mbar G 30 - 28-30 mbar G 31 - 37 mbar By-pass [1/100 mm] Ø injector [1/100 mm] By-pass [1/100 mm] Ø injector [1/100 mm] Auxiliary (A) 1,00 0,30 27 50 adjustable 72 (X) Semi-rapid (SR) 1,75 0,45 32 65 adjustable 97 (Z) Rapid (R) 3,00 0,75 42 85 adjustable 115 (Y) Triple-ring (TR) 3,50 1,50 65 95 adjustable 135 (T) INCREASE OF AIR NECESSARY FOR GAS COMBUSTION (2 m3/h
11 Electrical section For your safety please read the following information: IMPORTANT: The cooker must be installed in accordance with the manufacturer’s instructions. Incorrect installation, for which the manufacturer accepts no responsibility, may cause damage to persons, animals and things. GENERAL – Connection to the mains must be carried out by qualified personnel in accordance with current regulations.
The connection of the appliance to earth is mandatory. The manufacturer declines all responsibility for any inconvenience resulting from not observing this condition. CONNECTING THE MAINS CABLE To connect the supply cable: - Remove the screws securing the cover “A” on the rear of the cooker (fig. 11.1). - Feed the supply cable through the cable clamp “D”. The supply cable must be of a suitable size for the current requirements of the appliance; see the section “Feeder cable section” (fig. 11.1).
Descriptions and illustrations in this booklet are given as simply indicative. The manufacturer reserves the right, considering the characteristics of the models described here, at any time and without notice, to make eventual necessary modifications for their construction or for commercial needs.
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