Gas Cooktops Models: C6 (600mm) C9 (900mm) INSTALLATION AND OPERATION MANUAL For use in GB & IE 230635-2
MANUFACTURED BY Moffat Limited PO Box 10001 Christchurch New Zealand Ph: (03) 389 1007 Fax: (03) 389 1276 WORLD-WIDE BRANCHES UNITED KINGDOM Blue Seal Unit 67, Gravelly Business Park Gravelly Park Birmingham West Midlands B24 8TQ Ph: (121) 327 5575 Fax: (121) 327 9711 UNITED STATES Moffat Inc 3765 Champion Blvd Winston-Salem North Carolina 27115 Ph: (336) 661 0257 Fax: (336) 661 9546 CANADA Serve Canada 22 Ashwarren Road Downview Ontario M3J1Z5 Toll Free:800 263 1455 Ph: (416) 631 0601 Fax: (416) 631 031
Contents C6 Gas Cooktops 600mm Wide. C9 Gas Cooktops 900mm Wide. Part 1 Introduction ..................................................................................... 2 Part 2 Specifications .................................................................................. 3 Part 3 Installation ........................................................................................ 5 Part 4 Operation .........................................................................................
Part 1 Introduction We are confident that you will be delighted with your Cobra Series Cooktop, and it will become a most valued appliance in your commercial kitchen. To ensure you receive the utmost benefit from your new Cobra Series Appliance, there are two important things you can do. Firstly: Please read this instruction book carefully and follow the directions given. The time taken will be well spent.
Part 2 Specifications Model Covered in this Specification - NOTE: (*) C6D [1] Cooktop C6C [1] Cooktop C6B Cooktop 4 Open Burners. 2 Burners + 300mm Griddle. 600mm Griddle. C9D [1] C9C [1] C9B [1] C9A 6 Open Burners. 4 Burners + 300mm Griddle. 2 Burners + 600mm Griddle. 900mm Griddle. Cooktop Cooktop Cooktop Cooktop * - The burner operating pressure is to be measured at the manifold test point with two burners operating at full setting.
Part 2 Specifications Dimensions C6 - Gas Cooktop - 600 mm Wide. C6D Model C6C Model C6B Model C9 - Gas Cooktop - 900 mm Wide.
Part 3 Installation Installation Requirements Location NOTE: It is most important that this appliance is installed correctly and that the operation is correct before use. Installation shall comply with local, gas and health and safety requirements. 1. Installation must allow for a sufficient flow of fresh air for the combustion air supply.
Part 3 Installation Assembly The regulator connections are 3/4” BSP female. The connection to the appliance is 3/4” BSP male. This model is delivered completely assembled. Ensure that the legs and rollers are securely attached. (Refer to the 'Specifications' Section for the gas supply location dimensions). NOTE: This appliance is fitted with adjustable feet to enable the appliance to be positioned securely and level. This should be carried out on completion of the gas connection.
Part 3 Installation Commissioning The following commissioning checks must be carried out before the appliance is handed over for use, to ensure that the unit operates correctly and the operator(s) understand the correct operating procedure. 1. Before leaving the new installation; a. Check the following functions in accordance with the operating instructions specified in the 'Operation' section of this manual. x Lighting the Griddle. x Lighting the Open Burners. x Lighting the Open Burners.
Part 4 Operation Operation Guide C AUTI ON : x This appliance is for professional use and is only to be used by qualified persons. x Only qualified service persons are allowed to carry out installation, servicing or gas conversion operations. x Components having adjustments protected (e.g. paint sealed) by the manufacturer should not be adjusted by the user/operator. 1. Cobra appliances have been designed to provide simplicity of operation and 100% safety protection. 2.
Part 4 Operation Open Burners Griddle NOTE: Only cooking pans from size Ø 150 mm to Ø 420 mm are suitable fo use on these open burners. C AUTI ON : The griddle plate temperature reaches over 300°C in hottest points during normal operation at 'Full Flame' setting.
Part 5 Cleaning and Maintenance After Each Use General C AUTI ON : C AUTI ON : Always turn off the gas supply at the mains supply before cleaning. This appliance is not water proof. Do not use water jet spray to clean interior or exterior of this appliance. Always ensure that if using a flat scraper tool on the griddle surface, an even pressure is applied over the whole surface of the scraper tool to prevent scoring of the surface.
Part 5 Cleaning and Maintenance Cooktop Cooking Area Trivets and Burners a. Clean the Cooktop cooking area using a soft cloth moistened with a mild detergent and hot water solution. b. Baked on deposits or discolouration may require a good quality stainless steel cleaner or stainless steel wool. Always apply cleaner when the appliance is cold and rub in the direction of the grain. c. It should not be necessary to remove the splash guards covering the burner manifolds for cleaning purposes.
Part 5 Cleaning and Maintenance Re-Fitting the Components to the Cooktop Gas Control Valve Re-Greasing a. Refit the trivet supports to the Cooktop, ensuring that the trivet supports are correctly fitted. The gas control valve should be dismantled and greased every 6 months to ensure the correct operation of the gas control valve. To carry out this operation;a. Remove the gas control knobs from the gas tap spindles by pulling the knobs away from the control panel. b.
Part 6 Gas Conversion 4. Remove all the trivet supports from the top of the appliance. Take note the orientation of the trivet supports when Front removing. The trivet Rear support front side rail profiles are different from the rear side rail profiles. 5. Unscrew and remove the injectors (½ A/F) from the gas cocks. 6. Determine the correct injector sizes for the corresponding gas from the rating plate which is attached to the underside of the right hand side, front Cooktop lower trim. 7.
Part 6 Gas Conversion Aeration Adjustment 1. Check / adjust the main burner aeration gap. This gap should be set to the dimensions shown in the 'Gas Specification Tables' at the end of this section. 5. Remove and replace the main burner injector with correct size injector. Refer to the ‘Gas Specifications’ table at the end of this section, for correct injector sizes. 6. Refit the burner to the griddle burner box. 7. Refit the gas control heat shield to the griddle burner box. 8.
Part 6 Gas Conversion Gas Regulator NOTE: The regulator supplied is convertible between Natural Gas and LP Gas, but it’s outlet pressure is fixed ex-factory and is NOT to be adjusted. NOTE, Pin rotated for Natural Gas NOTE, Pin rotated for LPG 1. Ensure that the gas supply is turned 'Off' at the mains. 2. Unscrew the hexagonal cap (23 mm A/F) from the regulator. 3. Un-clip the plastic pin from the cap, reverse the pin and re-fit it back to the cap the correct way for the gas type to be used.
Part 6 Gas Conversion Gas Specifications - Non-UK Only Burner Injector Open Burner Low Fire Setting Burner Aeration Setting Natural. Gas LP Gas (Propane) Ø 2.10 mm ¾ turn open c.c.w. 16 mm open. Ø 1.30 mm ¼ turn open c.c.w. 16 mm open. Burner Injector Low Fire Setting Griddle Ø 2.00 mm turn open c.c.w. Fully open. 5/ 8 Burner Aeration Setting Pilot Injector Supply Pressure Ø 1.25 mm turn open c.c.w. Fully open. 3/ 8 0.35 1.13 - 3.40 kPa 0.23 2.75 - 4.50 kPa 1.0 kPa (*) 2.
Part 7 Replacement Parts List Replacement Parts List IMPORTANT: Only genuine qualified replacement parts should be used for the servicing and repair of this appliance. The instructions supplied with the parts should be followed when replacing components. For further information and servicing instructions, contact your nearest qualified service branch (contact details are as shown on the reverse of the front cover of this manual).
Part 7 Replacement Parts List Regulator 228531 Regulator (Natural Gas/LP Gas [Propane] Convertible) ¾” BSP F/F. Gas Conversion Kits - Non UK Only: Gas Type to Convert to Model LPG (Propane) Nat. Gas C6 231567 231566 C9 231570 231569 - UK Only: Gas Type to Convert to Model Propane (G31) Nat.