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C3/AB, C3/C, C3Multi, C3/CMulti
CONVECTION MICROWAVE OVEN
SERVICE AND REPAIR MANUAL
TURBOCHEF TECHNOLOGIES INC.
www.turbochef.com
10500 Metric Drive, Suite 128, Dallas, Texas 75243 USA
(800) 908 TURBO (8-8726)
© 2004 - TurboChef Technologies Inc
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PN: TC3-0215 Rev. D January 2, 2004
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Table of Contents READ THIS FIRST …………………………………………………………………………… i Important Safety Instructions ……………………………………………………………….. ii Precautions to Avoid Possible Exposure to Excessive Microwave Energy ……………. iii Precautions to be Observed Before and During Servicing to Avoid Possible Exposure to Excessive Microwave Energy ………………. iv Grounding Instructions ………………………………………………………………………. v Power Cord Replacement …………………………………………………………………… v RF Interference Considerations ……………………………………………………
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TurboChef Technologies, Inc. Door Removal and Replacement Left Side Parts List 7-13 Door Removal and Replacement Right Side Parts List 7-16 C3/C AND C3/CMULTI Door Assy and Parts List 7-18 Chapter 7 Cook Door C3/AB and C3MULTI Door Assy and Parts List 7-21 Chapter 8 Convection Circuit Catalytic Converter ………………………………………………………………. 8-2 Convection Element and Thermocouples ……………………………………… 8-3 How to Turn Heaters ON & OFF …………………………………………. 8-4 Changing Heater Operat
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READ THIS FIRST Before working on the TurboChef Technologies, Inc. C Series oven you must first read the safety instructions on the following pages. The C3 series oven is a combination convection/microwave oven. While servicing this oven, an RF meter must be used at all times to check for microwave leakage. This RF reading must be recorded on your work invoice. Very often poor cleaning will result in microwave leakage. Please refer to chapter 2, Cleaning & Operation, for information on
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IMPORTANT SAFETY INSTRUCTIONS WHEN USING ELECTRICAL APPLIANCES, THE FOLLOWING BASIC SAFETY PRECAUTIONS SHOULD BE STRICTLY ADHERED TO: WARNING!! To reduce the risk of burns, electric shock, fire, injury to persons or exposure to excessive microwave energy: 1. Read all instructions before using the appliance. 2. Read and follow the specific PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY found on pages iii & iv. 3. This appliance must be grounded. Connect only
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PRECAUTIONS TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT attempt to operate this oven with the door open since open-door operation can result in harmful exposure to microwave energy. It is important not to defeat or tamper with the safety interlocks. 2. DO NOT place any object between the oven front face and the door or allow soil or cleaner residue to accumulate on the sealing surfaces. 3. DO NOT operate the oven if it is damaged. It is particularly important th
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PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY 1. DO NOT operate or allow the oven to be operated with the door open. 2. Make the following safety checks on all ovens to be serviced before activating the magnetron or other microwave source, and make repairs as necessary: a) Interlock operation. b) Proper door closing. c) Seal and sealing surfaces (arcing, wear, and other damage). d) Damage to or loosening of hinges an
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GROUNDING INSTRUCTIONS This appliance MUST BE grounded. In the event of an electrical short circuit, grounding reduces the risk of electric shock by providing an escape wire for the electric current. This appliance is equipped with a cord having a grounding wire with a grounding plug. The plug must be plugged into an outlet that is properly installed and grounded. WARNING!! Improper use of the grounding can result in a risk of electric shock. Consult a qualified electrician or se
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RF INTERFERENCE CONSIDERATIONS This oven generates radio frequency signals. This device has been tested and determined to be in compliance with applicable part of FCC part 18 requirements and to the protection requirements of Council Directive 89/336/EEC on the approximation of the laws of the Member States relating to electromagnetic compatibility at the time of manufacture. However, some other equipment may exhibit sensitivity to signals below these limits resulting in interference
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CHAPTER 1 INSTALLATION SPECS
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TurboChef Technologies, Inc. C series OVEN DESCRIPTION SPECIFICATIONS C3/AB, C3MULTI, C3/C, AND C3/CMULTI Dimensions (single unit) 29” W x 25.5” H x 29.5” D (73.66 cm x 64.77 cm x 74.93 cm) Dimensions (double stacked units) 29” W x 43” H x 29.5” D (73.66 cm x 109.22 cm x 74.93 cm) Maximum Input 7.2 kW Power Supply 208 VAC, 60Hz, 1 φ, 35 amp, 3 wire including ground US (1 φ) All Models 240 VA
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Installation Specs OVEN LOCATION The well planned and proper placement of your oven will result in long term operator convenience and satisfactory performance. Be sure to place the oven in an area which is accessible for proper operation and servicing. The countertop or work surface must be able to support the weight of 250 pounds. The manufacturer shall not assume liability for damage or injury resulting from improper installation of equipment including temporary or unstable
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CHAPTER 2 CLEANING & OPERATING
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TurboChef Technologies, Inc. C Series BASIC CLEANING PROCEDURES PROBLEMS ASSOCIATED WITH IMPROPER 2. Clean the ceramic cooking platter, and wave CLEANING guide cap using brushes and scrub pads. Rinse to remove all cleaner and debris. The oven may not be operating correctly because Inspect for damage and replace as required. it is not being cleaned properly. If the door is leaking microwaves, erratic operation of the 3. Reinstall the clean wave–guide cap into display and other elec
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CHAPTER 3 THEORY OF OPERATION
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TurboChef Technologies, Inc. C Series INTRODUCTION The TurboChef C3/C oven utilizes two independent heat transfer mechanisms in order to rapidly cook food. The systems are as follows: Convection and Microwave energy. By combining these mechanisms and with our ability to control each mechanism independently, we are able to reduce the cook time of most foods by 70%-90%. For the purpose of this manual we will identify each independent heat transfer mechanism individually. For ins
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Theory of Operation Cook Temperature Set Point - GLOSSARY OF COMMON Temperature should be a constant OPERATING TERMS parameter. The same cook temperature Display - Primary interface to relay should be used by all cook recipes. messages to the operator. MODES Keypad - Primary interface for the Mode – The software environment which operator to control the oven. allows certain operations to occur. There Cook Chamber - Cavity in which the are several modes, STANDBY, COOK, food p
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TurboChef Technologies, Inc. C Series Programing EDIT GROUPS Edit Mode GROUP A GROUP E Edit mode enables the operator to alter Recipes and the Cook Chamber Temperature (CC). To Access Edit Mode, GROUP B GROUP F press the “Up” and “Down” Arrows Keys on the keypad simultaneously. When prompted, enter the Access Code “9” and then press “Enter”. GROUP C GROUP G Changing the Cook Chamber Temperature GROUP D GROUP G The first scree
