Turbo Chef TechnologiesメーカーNGC-1007の使用説明書/サービス説明書
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Accelerating the World of Cooking TurboChef Service Manual FOR THE TURBOCHEF NGC ( TORNADO ) OVEN 800.90 TURBO Part Number: NGC-1007 / Revision D / September 2007.
For further information call: 800.90 TURBO +1 214.379.6000 Accelerating the World of Cooking.
IMPORTANT SAFETY INFORMATION - PLEASE READ FIRST WARNING : Improper installation, adjustment, alteration, service, or maintenance can cause property damage, injury, or death. Thoroughly read the installation, operating, and maintenance instructions before installing or servicing this equipment.
Important Safety Instructions i General Safety Information i Reducing Fire Risk i Precautions to be Observed Before and During Servicing to Avoid Possible Exposure to Excessive Microwave Energy ii Gro.
Oven Options 18 User Configurable Options - Enable/Disable Codes 19 User Configurable Options - Access Codes 19 Control System Panel Parts 20 Control System Troubleshooting 21 Chapter 5: The Microwave.
Chapter 7: The Convection Circuit Convection Circuit Components 47 Convection Circuit/Blower Motor Parts 48 Convection Circuit Troubleshooting 49 Motor Winding Resistances Table 50 Chapter 8: IR Eleme.
i INTRODUCTION IMPORTANT SAFETY INSTRUCTIONS Strictly adhere to the following safety precautions to reduce the risk of: Burns Electric shock Fire Injury Damage to oven or property near oven Exposure to excessive microwave energy GENERAL SAFETY INFORMATION Read all instructions before using the appliance.
ii INTRODUCTION PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY (a) DO NOT operate or allow the oven to be operated with the door open.
Installation, Specifications, and Maintenance.
Standard Features Recirculating airpath with patented catalytic converter system Multi-speed convection blower Independently-controlled bottom browning element Stackable design Sma.
2 INSTALLATION, SPECIFICATIONS, AND MAINTENANCE NOTE : The Smart Voltage Sensor Technology does not compensate for lack of voltage or over-voltage situations. It is the responsibility of the owner to supply voltage to the unit according to the follow- ing specifications.
If installation must be “built in,” the operator must ensure the following: Minimum of 300 cfm (8.5 cmm) of supplement flow within the cabinet.
4 Oven Restraint Kit (TC3-0242 KIT) The Oven Restraint Kit is an optional system that helps prevent the oven from moving forward during use and/or cleaning. It will not prevent the oven from falling off a countertop if the legs are allowed to slide off the edge or if the oven is intentionally or forcefully pulled off.
INSTALLATION, SPECIFICATIONS, AND MAINTENANCE 5 DAILY MAINTENANCE FOR THE NGC Before cleaning, check with the store for custom cleaning instructions. When cleaning the oven, u se only TurboChef Oven Cleaner. Any other cleaning products can damage critical parts and may void warranty on those parts.
Theory of Operation.
THEORY OF OPERATION 7 THEORY OF OPERATION The TurboChef NGC (Tornado) oven utilizes three independent heat transfer mechanisms to rapidly cook food. The systems are as follows: Convection Infr.
THEORY OF OPERATION 8 GLOSSARY OF COMMON OPERATING TERMS Off State All the oven’s control systems are off and the cook cavity temperature is below 150 º F (66 º C). Cool Down A subset of the OFF STATE . During COOL DOWN , the oven will circulate the main convection blower until the cook cavity temperature is below 150 º F (66 º C).
THEORY OF OPERATION 9 Keypad The primary interface for the operator. Display Displays all visual information to the operator. Self-Test (STEST) A special diagnostic function that tests all critical subsystems to determine their operational state. Recipe A set of user-defined Events that determine a cook cycle.
Fault Codes.
11 The NGC (Tornado) oven has the ability to continually monitor and log various fault conditions. Some fault conditions will terminate cook cycles, while others will not. Please refer to the fault code table on page 12 for more detailed information. When a fault is detected, the Fault Log will incre- ment.
FAULT CODES 12 NOTE : Door interlock switches are in parallel. See OVEN SCHEMATICS , pages 55-63. The fault is moni- tored during a cook cycle, or in SELF TEST when the microwave is on. F5: Magnetron Over Temperature Fault is displayed when either magnetron thermo- stat is “open.
The Control System.
THE CONTROL SYSTEM The Control System is comprised of the components that signal, sense, command, and switch the oven’s various components. Figure 7 shows a functional diagram of all the components that make up the Control System.
THE CONTROL SYSTEM 14 CONTROL SYSTEM COMPONENT DESCRIPTIONS 24 VDC Power Supply 24 VDC output at 40 watts. Supplies control voltage for I/O control board, 24 VDC mechanical relays, and solid state relays. K1 Mechanical Relay 240 VAC, 30 Amp, Double Pole, Double Throw, 24 VDC Relay Coil.
THE CONTROL SYSTEM To enter TEST MODE (Figure 8): 1. Press the BACK key until the display is in the OFF STATE . 2. Simultaneously press BACK and ENTER keys.
THE CONTROL SYSTEM 16 Diagnostic Display (Screen 2) The DIAG key turns on or off the diagnostic display feature. When this feature is enabled, the oven will display temperature and cook cycle parameters when the oven is cooking or idle. In addition, the status indicators are displayed on the bottom of the screen.
To change the cook cavity temperature (CCSP), press the UP and DOWN keys. Temperature ranges vary depending on software. Once you have selected the correct temperature, press the ENTER key to con- firm and advance to the next screen . Altering a Recipe Most NGC (Tornado) oven models contain 128 unique recipes.
Loading a Menu from a Smart Card 1. Ensure the oven is in the OVEN OFF / COOLING DOWN mode. 2. Enable the LOAD MENU function (page 19). The oven will return to the Off screen. 3. Remove the lower access panel (Figure 14). 4. Insert smart card into oven (Figure 14).
USER CONFIGURABLE OPTIONS - ENABLE/DISABLE CODES The following codes enable and disable each function/screen listed. They do not take you to the function/screen. After each code, press ENTER . To enable, press 9 after entering code (except S - A - V - E , W - A - V - E ).
FIGURE 1 7 : Control System Panel Enclosure and Parts CONTROL SYSTEM PANEL PARTS Figure 17. 1. NGC-1040 Cover, Keypad/Display, Std NGC-1209 Cover, Keypad/Display, SBK 2. 102960 Nut, 4-40, Stainless 3. 100508 Smart Card, Blank (Varies)* Smart Card, Programmed* 4.
ISSUE RESOLUTION No Display (Blank) 1. Verify power 208 VAC or 240 VAC is going to the oven correctly. If not, correct the voltage supply. 2. Control DOES NOT beep when any key on the keypad is pressed. Check power going to the 24VDC power supply. Supply must have 208 or 240 VAC across L and N terminals.
ISSUE RESOLUTION F1: Blower Running Status Bad Motor not running when commanded. 1. Status Indicator “A” is highlighted/backlit in TEST MODE . Verify 208 or 240 (USA) / 230 (Intl) / 200 (Japan) / 220 (Latin America) VAC is going to the motor controller via pins 2 and 3.
ISSUE RESOLUTION F2: Cook Temperature Low 1. Verify the high-limit thermostat is not tripped. If high-limit is tripped, reset and allow the oven to warm up. If high-limit is not tripped, follow the instructions below. High-limit thermostat is not tripped.
The Microwave System.
THE MICROWAVE SYSTEM 25 The Microwave System is the most complex system in the oven. Proper care must be taken during servicing to protect both the operator and technician. VOLTAGE DOUBLER CIRCUIT DESCRIPTION The Microwave System consists of a magnetron and Voltage Doubler Circuit.
+ (B) - (C) (A) - 4800 V MAGNETRON VOLTAGE 0 - + - + 2400 2400 VDC 4800 VDC Current Flow TRANSFORMER OUTPUT VOLTAGE + (B) 0 - (C) (A) - 2400 V + 2400 V - - ++ 2400 VDC 2400 Current Flow CAPACITOR CHAR.
13. 100481 High Voltage Diode (x2) 14. Mag Fan Relay, Generic NGC-3030-1 North America NGC-3030-4 Europe, Asia-Pacific Multiphase NGC-3030-7 Europe Single Phase NGC-3030-12 Brazil Single Phase Mag Fan.
MICROWAVE SYSTEM COMPONENTS Below is a description of each component within the Microwave System. Magnetron Magnetrons supply the RF energy at 2.45 GHz and begin to oscillate when they are supplied with approximately 4.1KVDC at approximately .350 mA. During operation each magnetron will output a nominal 1 kW of power.
FIGURE 2 2 : Wave Guide Cover/Wave Guide Removal and Replacement To determine software type, 1. Make sure the oven is in the COOLING DOWN / OVEN OFF mode. 2. Simultaneously press the BACK and ENTER keys. 3. Enter code 9-4-2-8 ( W - H - A - T ) and press ENTER .
4. Using acetone, clean the oven floor where the new wave guide cover will sit. 5. Apply a 1/8” diameter bead of high temperature RTV (included with Item 29) along the outside edge of the wave guide cover flanges. NOTE : It is important to use the correct high temperature RTV as supplied by TurboChef.
high-voltage transformers are most likely wired i n- phase. As a last check, energize the Microwave System and ver ify the voltages between the taps on each high-voltage transformer.
THE MICROWAVE SYSTEM 32 5. While holding the MGTRON soft key, move the sur- vey meter around the outline of the oven door, keeping the tip of the meter in contact with an d perpendicular to the oven door.
THE MICROWAVE SYSTEM 33 HIGH VOLTAGE TRANSFORMERS PRIMARY VOLTAGE, FREQ, TAPS, AND RESISTANCE SECONDARY TAPS AND RESISTANCE NGC-3062-1 208 VAC, 60 Hz, 1 & 2, 0.819–1.001 W 240 VAC, 60 Hz, 1 & 3, 0.972–1.188 W 4, Ground, 53.60–65.52 W NGC-3062-2 230 VAC, 50 Hz, 1 & 2, 0.
ISSUE RESOLUTION Magnetron Troubleshooting Guidelines WARNING : Never test the secondary voltages. Voltage on this side of the circuit is lethal, reaching up to 5000 volts! All tests performed on the components are done with the oven unplugged and the capacitors discharged.
ISSUE RESOLUTION F3: Magnetron Current Low (cont.) WARNING : Never try to check the secondary voltages of the High Voltage Transformers. With the top cover removed, safe access to the three (if US oven)/two (if International oven) terminals on the top of the transformers is available.
ISSUE RESOLUTION F3 Fuse Blown, cont. c. Monitor circuit fault: Verify operation of all interlock switches. In addition, check the Fault Log. If the monitor switch opened prior to the primary and secondary, the control would have recorded the occurrence.
The Oven Door.
The proper fit and adjustment of the oven door is essential for safe and reliable operation of the NGC (Tornado) oven. The oven door provides three primary functions: 1. To protect the operator from the hot convection airflow. 2. To protect the operator from exposure to microwave energy.
ADJUSTING THE OVEN DOOR WARNING : Procedure should be done while oven is hot. As a result, exercise extreme caution when adjusting the door. 1. Open the oven door and remove the plastic caps. 2. Ensure that the 3 screws on each side of the door are tight.
FIGURE 2 7 : Mis-adjusted Oven Door FIGURE 2 8 : Mis-adjusted Oven Door 3. Open and close the door several times to ensure i t closes smoothly and the door actuator (Item 47) clears the slot in the flange. Reference Figure 29. The actuator must not hang or rub the opening or flange.
FIGURE 2 9 : Correct Primary and Secondary Interlock Adjustment and Parts - Old Switch Setup DOOR SWITCH ASSEMBLY AND PARTS Figure 30, next page 53. NGC-1072 Bracket Latch 54. 102012 Switch, Micro, 0.1A/125VAC 55. NGC-1087 Spring Door Latch 56. NGC-1073 Toggle, Latch 57.
FIGURE 3 1 : Monitor Switch Adjustment and Assembly - Old Switch Setup FIGURE 3 0 : Door Switch Assembly and Parts - Old Switch Setup 58 61 57 1 53 63 59 54 60 55 62 2 56 x2 68 67 68 64 66 68 67 69 65.
ADJUSTING THE PRIMARY INTERLOCK SWITCH - NEW SWITCH SETUP The new switch assembly is identifiable by the pri- mary switch being located on the left side of the oven. Also, the serial number of the oven will fol- low the formatting below (X = variable digit/letter): NGC D(5 thru 9) XXXX (North America) NGCXX D(5 thru 9) XXXX (International) 1.
ADJUSTING THE SECONDARY AND MONITOR INTERLOCK SWITCHES - NEW SWITCH SETUP 1. Disconnect power to the unit. 2. Disconnect the 40-pin connector from the I/O board to allow maximum clearance. 3. Using the 0.060” (1.524 mm) spacer as a template (included with item 74), adjust the secondary switch.
PRECAUTION S FOR SAFE USE TO A VOID POSS IBLE PRECA UTIO NS A AFIN D'EV ITER UNE EXPO SITION EXPOSURE TO EXCESSIVE M ICROW AVE EN ERGY 1 . S'il y a u n o b jet q u i o b s tru e la p o r te . 2. D o o r t ha t d o e s n o t c los e pr o p e rly .
SHUNT CA VIT Y/PLA TE Tightening Sequence SHUNT ASSY/DOOR COVER Tightening Sequence 5 8 41 5 9 11 10 6 2 37 12 14 15 13 16 14 8 1 15 9 10 16 6 2 3 7 17 11 12 13 4 FIGURE 3 6 : Oven Door Assembly: Tightening Specs Critical Adjustment Notes (Figure 35) 1.
INTERLOCK SWITCH TROUBLESHOOTING ISSUE RESOLUTION “Cook Door Open” Message Determine which interlock switch is open. Access TEST MODE to view interlock switch status. 1. PS M - Primary and/or secondary interlock is open (old switch setup). P SM - Primary interlock is open (new switch setup).
The Convection Circuit.
THE CONVECTION CIRCUIT 47 The Convection Circuit provides the high-temperature airflow required to brown and cook food items. CONVECTION CIRCUIT COMPONENTS The following is a description of each component within the Convection Circuit and how each acts within the circuit.
NOTICE: Thi s device complies with Part 18 of the FC C Rules. O peration is subject t o the follo wing conditions: 1 . Thi s devic e may not cause harmful in ter ference .
ISSUE RESOLUTION F8: Heat Low Oven Not Warming Up 1. Check that the blower motor is moving air. Blower motor is not moving air: Check blower motor assembly and verify motor is stalled. Unplug oven and correct obstruction or replace motor. (For access to motor shaft, remove top panel.
ISSUE RESOLUTION F1: Blower Running Status Bad 1. Verify motor spins freely. Motor seized: Unplug oven and correct obstruction or replace motor. Motor spins freely: Verify motor windings (see table below). 2. Verify motor windings are OK. Measure the resistance between windings and chassis.
IR Element and Catalytic Converter.
The IR Element and Catalytic Converter provide two very different, but essential functions. The IR element provides the bottom browning - similar to a residual broiler or salamander type cooking appliance - required for cooking most food items. The IR element temperature is independently controlled in each recipe.
Removing and Installing the Catalytic Converter 1. Unplug the oven. 2. Remove the IR element. (See above procedure.) 3. Once the IR element has been removed, remove the catalytic converter clip (Item 121) to access the catalytic converter.
Schematics and Schematic Components.
FIGURES 40 THRU 45: NGC OVEN SCHEMATICS Figure 40 I/O Board Schematic Figure 41 NGC US Schematic Figure 42 NGC UK Schematic Figure 43 NGC EW Schematic Figure 44 NGC ED Schematic Figure 45 NGC Brazil S.
I/O BOARD SCHEMATIC 54 FIGURE 4 0 : I/O Control Board and Test Point Locations.
K6 -B (VOLT S M OD O U T ) 29 29 P4 P6 J6 J4 IR CC 40 39 THERM OCOU P LE S EC 37 36 38 BMS C (4) (C OM RTN) 32 34 33 35 BMSC (3) (E NA B L E O U T ) 31 K4 (B-) (C O NV O U T ) 30 C( +) IR A(-) C( +) C.
D2 D1 MAG 1 MAG 2 FT 2 FT 1 BL 14 BL 15 RED 6 RED 5 D O NOT USE WH -29 NC C C OR -6 2 S AFE T Y INTERL OC KS - N EW S E TU P NC IN TE RL O C K PR IM AR Y MO NI TO R S WIT C H C NC NO S ECO NDAR Y BK -.
K7 M A G F A N RE LA Y 29 29 P4 P6 J6 J4 IR CC 40 39 TH ER MO CO UP LE S EC 37 36 38 B MS C (4 ) (C OM RT N ) 32 34 33 35 B MS C (3 ) (E NA BL E O U T) 31 K4 (B- ) (CON V OUT) 30 C(+ ) IR A(- ) C(+ ) .
K7 M A G F A N RE LA Y 29 29 P4 P6 J6 J4 IR CC 40 39 TH ER MO CO UP LE S E C 37 36 38 B MS C (4 ) (C OM RT N ) 32 34 33 35 B MS C (3 ) (E NA BL E O U T) 31 K4 (B- ) (CON V OUT) 30 C(+ ) IR A( - ) C(+ .
FIGURE 4 5 : NGC Brazil (Tornado) Schematic NGC (BRAZIL) SCHEMATIC 63.
Service Parts and Illustrations.
SERVICE PARTS AND ILLUSTRATIONS 65 FIGURE 7: NGC (TORNADO) CONTROL SYSTEM Chapter 4: The Control System - Page 13 GROUND STATUS OK I/O COM 1 2 OUT 240 VAC 3 PHASE 3 4 4 6 5 2 1 3 I/O COM ENABLE 200-24.
SERVICE PARTS AND ILLUSTRATIONS 66 FIGURE 17: CONTROL SYSTEM PANEL ENCLOSURE AND PARTS Chapter 4: The Control System - Page 20 CONTROL SYSTEM PANEL PARTS Figure 17. 1. NGC-1040 Cover, Keypad/Display, Std NGC-1209 Cover, Keypad/Display, SBK 2. 102960 Nut, 4-40, Stainless 3.
67 SERVICE PARTS AND ILLUSTRATIONS FIGURE 18: MONITOR CIRCUIT - SHOWN IN FAILSAFE STATE Chapter 5: The Microwave System - Page 25 7 9 A B 1 4 3 6 1 2 1 2 CDP NC NO 7 9 A B 1 4 3 6 +24 VDC F3 FUSE 20 A.
29 31 30 32 33 34 35 36 37 68 SERVICE PARTS AND ILLUSTRATIONS FIGURE 21: MICROWAVE SYSTEM PARTS Chapter 5: The Microwave System - Page 27 Microwave System Parts 24. 100186 Magnetron Wire 25. NGC-3015 Magnetron 26. 102070 Magnetron Thermostat 27. NGC-1163 Insulator, Adhesive 28.
SERVICE PARTS AND ILLUSTRATIONS FIGURE 24 & 25: HIGH VOLTAGE DIODE AND MAGNETRON Chapter 5: The Microwave System - Page 32 69 ANTENNA F FA FILAMENT AND HIGH VOLTAGE TERMINALS Cook Door Parts 38. 102809 #8-32 x 3/8” PFH CSK 39. NGC-3067 Assy, Oven Door (Traditional) NGC-3067-2 Assy, Oven Door (SBK) 40.
70 Primary and Secondary Interlock Switch Parts 47. NGC-1076-2 Actuator, Door 48. 102809 Screw, #8-32 x 3/8” 100Þ CSK 49. 102921 Screw, #8-32 x 3/8” 50. 101557 Screw, #4-40 x 1 1/4” 51. 102012 Interlock Switches 52. NGC-3033 Assy, Door Switch* *See Figure 32 for Assy Detail.
SERVICE PARTS AND ILLUSTRATIONS 71 Monitor Safety Switch Parts 64. 102804 Hinge, Right 65. 102012 Switch, Limit, Micro 66. NGC-1126 Plate, Door Switch 67.
72 SERVICE PARTS AND ILLUSTRATIONS 79 80 82 x2 83 x2 78 81 82 77 80 82 81 FIGURES 33 AND 34: SECONDARY AND MONITOR SWITCH ADJUSTMENT AND ASSEMBLY - NEW SWITCH SETUP Chapter 6: The Oven Door - Page 43 Secondary and Monitor Safety Switch Parts 77. 102804 Hinge, Right 78.
SERVICE PARTS AND ILLUSTRATIONS 73 Oven Door Parts 84. NGC-3067* Door, NGC, Generic* NGC-3067-2* Door, NGC, SBK* 85. NGC-3021 Kit, Shunt Plate 86. NGC-1061 Hinge Block 87. 102750 Handle, Door, Generic NGC-1216 Handle, Door, SBK 88. NGC-1076-2 Actuator, Door 89.
FIGURE 37: CONVECTION CIRCUIT BLOCK DIAGRAM Chapter 7: Convection Circuit - Page 47 BMSC BL WR MTR M4 GREEN M3 WHITE M2 RED M1 BLACK 4 3 2 1 240 V AC 3 PHASE OUT 200-2 40 VA C IN 3 2 1 SPD CMD 1 2 3 4.
SERVICE PARTS AND ILLUSTRATIONS 75 Convection Circuit Parts 102. 101688 Screw, #8 x 1/2” PTH 103. NGC-1081 Cover, Motor 104. 100906 Nut, 1/4”-20, Flange 105. NGC-1025 Assy, Blower Motor 106. NGC-3007 Kit, Fan Blade 107. NGC-1024 Sealing Block, Blower 108.
IR Element and Catalytic Converter Parts 116. 101312 Snap Ring 117. 102449 Washer, Shim 118. NGC-3003 IR Element 119. NGC-1116 Shield, Microwave 120. 101688 Screw, #8 x 1/2” Sht Metal PTH 121. NGC-1030 Clip, Catalytic Converter (Non-SBK) NGC-1233 Clip, Catalytic Converter (SBK) 122.
SERVICE PARTS AND ILLUSTRATIONS 77 -HOT- CAU TION shock, connec t t o prop erly gr ounded outlets o nly . electr ique br anche z seulemen t a un e pr ise Pou r assur er pr otec tion c on tinue c on tre le cho c cor rec tem ent mise a t err e.
78 SERVICE PARTS AND ILLUSTRATIONS -HOT- CAU TION shock, connec t t o prop erly grounded outlets o nly . elec tr ique branche z seulemen t a un e prise P ou r assur er pr otec tion c on tinue c on tre le cho c cor rec tem ent mise a t err e.
Comprehensive Part List.
ITEM DESCRIPTION PART NUMBER FIGURE NUMBER (PAGES 65-78) Actuator, Door NGC-1076-2 29, 35 Assembly, Keypad/Housing, Cover, Standard NGC-1054-1 46 Assembly, Keypad/Housing, Cover, SWY NGC-1054-2 46 Ass.
ITEM DESCRIPTION PART NUMBER FIGURE NUMBER (PAGES 65-78) Fan Blade, Motor NGC-3007 38 Fan, Magnetron Cooling 100083 20 Filter, EMI, 1Ph (USA, Europe, Latin America, Japan) 100542 None Filter, EMI, 3Ph.
ITEM DESCRIPTION PART NUMBER FIGURE NUMBER (PAGES 65-78) Nut, Flange, 1/4-20 100906 38 Nut, M5, Yellow Zinc (Magnetrons, Bottom Electrical Plate) 100101 None Nut, Push, 1/8 101293 35 Nut, Stainless, #.
ITEM DESCRIPTION PART NUMBER FIGURE NUMBER (PAGES 65-78) Shim, 0.030 NGC-1169-1 32 Shim, 0.045 NGC-1169-2 32 Shim, Door Latch NGC-1132 35 Shim Tool, 0.
For further information call: 800.90 TURBO or +1 214-379-6000 Accelerating the World of Cooking Headquarters Six Concourse Parkway Suite 1900 Atlanta, Georgia 30328 678.987.1700 PHONE 678.987.1750 FAX TURBOCHEF . COM Global Operations 4240 International Parkway Suite 1 0 5 Carrollton, Texas 75007 214.
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