Turbo Chef NGC-1007 - Manuals

i I N T R O D U C T I O N I M P O R T A N T S A F E T Y I N S T R U C T I O N S 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 G E N E R A L S A F E T ...

ii I N T R O D U C T I O N P R E C A U T I O N S T O B E O B S E R V E D B E F O R E A N D D U R I N G S E R V I C I N G T O A V O I D P O S S I B L E E X P O S U R E T OE X C E S S I V E M I C R O W A V E E N E R G Y (a) DO NOT operate or allow the oven to be operated with the door open. (b) Make t...

Standard Features † Recirculating airpath with patented catalytic converter system † Multi-speed convection blower † Independently-controlled bottom browning element † Stackable design † Smart Voltage Sensor Technology (North America only) † Factory-programmed, customizable menu settings † Smart Car...

2 I N S T A L L A T I O N , S P E C I F I C A T I O N S , A N D M A I N T E N A N C E N O T E : 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 spe...

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. † Minimum clearances of 2" (51 mm) to every surface. In addition, the operator will be responsible for com- pensating any extra time required to servi...

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 for...

I N S T A L L A T I O N , S P E C I F I C A T I O N S , A N D M A I N T E N A N C E 5 D A I L Y M A I N T E N A N C E F O R T H E N G C Before cleaning, check with the store for custom cleaning instructions. When cleaning the oven, use only TurboChef Oven Cleaner. Any other cleaning products can dam...

T H E O R Y O F O P E R A T I O N 7 T H E O R Y O F O P E R A T I O N The TurboChef NGC (Tornado) oven utilizes three independent heat transfer mechanisms to rapidly cook food. The systems are as follows: † Convection † Infrared energy † Microwave energy By combining these mechanisms along with the ...

T H E O R Y O F O P E R A T I O N 8 G L O S S A R Y O F C O M M O N O P E R A T I N G T E R M S Off State All the oven’s control systems are off and the cook cavity temperature is below 150ºF (66ºC). Cool Down A subset of the OFF STATE . During COOL DOWN , the oven will circulate the main convection...

T H E O R Y O F O P E R A T I O N 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 tha...

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 incr...

F A U L T C O D E S 12 N O T E : 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 fau...

T H E C O N T R O L S Y S T E M 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. N O T E : The part numbers for each component can be loc...

T H E C O N T R O L S Y S T E M 14 C O N T R O L S Y S T E M C O M P O N E N T D E S C R I P T I O N S 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, Do...

T H E C O N T R O L S Y S T E M 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. 3. When prompted, enter the access code: 9-4-2-8 and press ENTER . The TEST MODE displays the software version, actu- al cook cham...

T H E C O N T R O L S Y S T E M 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 o...

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 uniq...

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). 5. Press the bottom-left soft key....

U S E R C O N F I G U R A B L E O P T I O N S - E N A B L E / D I S A B L E C O D E S 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 -...

F I G U R E 1 7 : Control System Panel Enclosure and Parts C O N T R O L S Y S T E M P A N E L P A R T S 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. NGC-3023 Disp...

I S S U E R E S O L U T I O N 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 ...

I S S U E R E S O L U T I O N 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. Place a small water load in...

T H E M I C R O W A V E S Y S T E M 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. V O L T A G E D O U B L E R C I R C U I T D E S C R I P T I O N The Microwave System consists of a magnetron and...

+( B ) -( C ) ( A ) -4 8 0 0 V M A G N E T R O N V O L T A G E 0 - + - + 2 4 0 0 2 4 0 0 V D C 4 8 0 0 V D C Current Flow T R A N S F O R M E R O U T P U T V O L T A G E +( B ) 0 -( C ) ( A ) -2 4 0 0 V +2 4 0 0 V - - + + 2 4 0 0 V D C 2 4 0 0 Current Flow C A P A C I T O R C H A R G E S O N P O S I...

M I C R O W A V E S Y S T E M C O M P O N E N T S 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 magne...

F I G U R E 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. The top line on the screen wil...

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. N O T E : It is important to use the correct high temperature RTV as supplied by Turbo...

high-voltage transformers are most likely wired in- phase. As a last check, energize the Microwave System and verify the voltages between the taps on each high-voltage transformer. The wiring issue must be corrected prior to returning the oven to service, as the voltages must be: † NORTH AMERICA : 2...

T H E M I C R O W A V E S Y S T E M 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 and perpendicular to the oven door. Record the highest leakage. 6. Using the same procedure, measure the leakage with...

T H E M I C R O W A V E S Y S T E M 33 H I G H V O L T A G E T R A N S F O R M E R S P R I M A R Y V O L T A G E , F R E Q , T A P S , A N D R E S I S T A N C E S E C O N D A R Y T A P S A N D R E S I S T A N C E NGC-3062-1 208 VAC, 60 Hz, 1 & 2, 0.819–1.001 W 240 VAC, 60 Hz, 1 & 3, 0.972–1....

I S S U E R E S O L U T I O N Magnetron Troubleshooting Guidelines W A R N I N G : 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. The ca...

I S S U E R E S O L U T I O N F3: Magnetron Current Low (cont.) W A R N I N G : 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 availa...

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. 3. To actua...

A D J U S T I N G T H E O V E N D O O R W A R N I N G : 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. 3. Remove the control ...

F I G U R E 2 9 : Correct Primary and Secondary Interlock Adjustment and Parts - Old Switch Setup D O O R S W I T C H A S S E M B L Y A N D P A R T S 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. 10...

A D J U S T I N G T H E P R I M A R Y I N T E R L O C K S W I T C H -N E W S W I T C H S E T U P 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/lett...

A D J U S T I N G T H E S E C O N D A R Y A N D M O N I T O RI N T E R L O C K S W I T C H E S - N E W S W I T C H S E T U P 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 (include...

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 bjet qu i o bs tru e la p orte . 2. D oo r t ha t d oe s n ot c los e pr op erly . d'e tan ch eite so nt bris es. DANGEREUSE A UX M ICRO-O NDES. Ne...

SHUNT CAVIT Y/PLATE Tightening Sequence SHUNT ASSY/DOOR COVER Tightening Sequence 5 8 4 1 5 9 11 10 6 2 3 7 12 14 15 13 16 14 8 1 15 9 10 16 6 2 3 7 17 11 12 13 4 F I G U R E 3 6 : Oven Door Assembly: Tightening Specs Critical Adjustment Notes (Figure 35) 1. Orient with the gasket seam at the bottom...

I N T E R L O C K S W I T C H T R O U B L E S H O O T I N G I S S U E R E S O L U T I O N “Cook Door Open” Message Determine which interlock switch is open. Access TEST MODE to view interlock switch status. 1. P S M - Primary and/or secondary interlock is open (old switch setup). P SM - Primary inte...

T H E C O N V E C T I O N C I R C U I T 47 The Convection Circuit provides the high-temperature airflow required to brown and cook food items. C O N V E C T I O N C I R C U I T C O M P O N E N T S The following is a description of each component within the Convection Circuit and how each acts within...

NO TICE: This devic e c omplies with P art 18 of the FC C Rules . Oper ation is subjec t to the f ollo wing c onditions: 1. Th is devic e ma y not cause harmful in terfe renc e. WARNING: DHHS F eder al P erfo rmanc e Standar d 21 C FR 1030.10. To pr ovide c ontinued pr otec tion agai nst elec trical...

I S S U E R E S O L U T I O N 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.)...

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 ...

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. Figure 39. N O T E : It may be necessary to remove the blowe...

F I G U R E S 4 0 T H R U 4 5 : N G C O V E N S C H E M A T I C S 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 Schematic S C H E M A T I C P A R T S Line Voltage Components Capacitor, Hi...

I / O B O A R D S C H E M A T I C 54 F I G U R E 4 0 : I/O Control Board and Test Point Locations

D2 D1 MAG 1 MAG 2 FT2 FT1 BL 1 4 BL 1 5 RED 6 RED 5 DO N OT U SE WH -2 9 NC C C OR -6 2 SA FET Y IN TER LO C K S - NE W SE TU P NC IN TE RL OC K PR IM AR Y MON IT OR S WIT C H C NC NO SE COND AR Y BK-2 2 BK-2 1 NO OR -7 OR -8 OR -6 1 IN TE RL OC K NO OR - 6 C A B L E , SM A R T CARD SM AR T C AR D C...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 65 F I G U R E 7 : N G C ( T O R N A D O ) C O N T R O L S Y S T E M 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 COMENABLE 200-240 VAC IN SPD 2 3 0-10V 1 BMSC K1 MECH RELAY + 24 V...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 66 F I G U R E 1 7 : C O N T R O L S Y S T E M P A N E L E N C L O S U R E A N D P A R T S Chapter 4: The Control System - Page 20 C O N T R O L S Y S T E M P A N E L P A R T S Figure 17. 1. NGC-1040 Cover, Keypad/Display, Std NGC-1209 Cover, K...

67 S E R V I C E P A R T S A N D I L L U S T R A T I O N S F I G U R E 1 8 : M O N I T O R C I R C U I T - S H O W N I N F A I L S A F E S T A T E Chapter 5: The Microwave System - Page 25 7 9AB 1 4 3 6 1 2 1 2 C D P N C N O 7 9AB 1 4 3 6 +24 VDC F 3 F U S E 2 0 A M P ( B L O W N ) +24 VDC L I N E V...

29 31 30 32 33 34 35 36 37 68 S E R V I C E P A R T S A N D I L L U S T R A T I O N S F I G U R E 2 1 : M I C R O W A V E S Y S T E M P A R T S Chapter 5: The Microwave System - Page 27 Microwave System Parts 24. 100186 Magnetron Wire 25. NGC-3015 Magnetron 26. 102070 Magnetron Thermostat 27. NGC-11...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S F I G U R E 2 4 & 2 5 : H I G H V O L T A G E D I O D E A N D M A G N E T R O N 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,...

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. SWITCH GAP = 0.020” 49 5...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 71 Monitor Safety Switch Parts 64. 102804 Hinge, Right 65. 102012 Switch, Limit, Micro 66. NGC-1126 Plate, Door Switch 67. 101912 Standoff, #8-32F/Fx1 in S 68. 102921 Screw, #8-32 x 3/8” 69. 102902 Screw, 4-40 x 5/8” F I G U R E 3 1 : M O N I T...

72 S E R V I C E P A R T S A N D I L L U S T R A T I O N S 79 80 82 x2 83 x2 78 81 82 77 80 82 81 F I G U R E S 3 3 A N D 3 4 : S E C O N D A R Y A N D M O N I T O R S W I T C H A D J U S T M E N T A N D A S S E M B L Y - N E W S W I T C H S E T U P Chapter 6: The Oven Door - Page 43 Secondary and M...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 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. NGC-1132 Shim,...

F I G U R E 3 7 : C O N V E C T I O N C I R C U I T B L O C K D I A G R A M Chapter 7: Convection Circuit - Page 47 BMSC BLWR MTR M4 GREEN M3 WHITE M2 RED M1 BLACK 4 3 2 1 240 VAC 3 PHASE OUT 200-240 VAC IN 3 2 1 SPD CMD 1 2 3 4 5 6 0-10V I/O COM ENABLE I/O COM STATUS OK I/O COM L2 L1 OR-9 BL530 BL5...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 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. NGC-1023 Clamp, Blow...

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. NGC-1012 Catalyt...

S E R V I C E P A R T S A N D I L L U S T R A T I O N S 77 -HO T- CA UTION shock, connec t to pr operly gr ounded outlets o nly . elec trique br anche z seulemen t a un e pr ise Pour assur er pr otec tion c ontinue c ontr e le cho c corre cte ment mise a t erre. A VE RTI SSEMENT : T o pr ovide c ont...

78 S E R V I C E P A R T S A N D I L L U S T R A T I O N S -HO T- CA UTION shock, connec t to pr operly gr ounded outlets o nly . elec trique br anche z seulemen t a un e prise Pou r assur er pr otec tion c ontinue c ontr e le cho c corre cte ment mise a t erre. A VE RTISSEMENT : T o pr ovide c onti...

I T E M D E S C R I P T I O N P A R T N U M B E R F I G U R E N U M B E R ( P A G E S 6 5 - 7 8 ) 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 Assembly, Keypad/Housing, Cover, SBK NGC-1054-3 47 Bearings, B...

I T E M D E S C R I P T I O N P A R T N U M B E R F I G U R E N U M B E R ( P A G E S 6 5 - 7 8 ) Shim, 0.030 NGC-1169-1 32 Shim, 0.045 NGC-1169-2 32 Shim, Door Latch NGC-1132 35 Shim Tool, 0.030 NGC-1344 32 Shim Tool, 0.060 NGC-1340 32 Shunt Plate, Door NGC-3021 35 Smart Card, Blank 100508 17 Smart...

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