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NGC
General Manual
72 pgs2.67 Mb1
Installation Manual
94 pgs2.8 Mb1
Operator’s Manual
44 pgs1.09 Mb0
Service Manual
72 pgs2.84 Mb0
Training Manual
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User Manual
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Turbochef NGC Installation Manual

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Page 1
Ser vice Manual
FOR THE TURBOCHEF TORNADO® AND TORNADO 2
TM
RAPID COOK OVENS
Page 2
800.90
TURBO
+1 214.379.6000
Accelerating the World of Cooking
TM
TM
Page 3
IMPORTANT SAFETY INFORMATION - PLEASE READ FIRST
© 2008
TurboChef Technologies, Inc.
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.
This product employs an exposed radiant heating element in the bottom of the cavity. This element is HOT during operation and will remain at dangerous temperatures after the unit is switched off.
NEVER attempt to
touch the element during operation, while the oven is warm, or while the oven is cooling down.
x
o
DO NOT store flammable vapors or liquids (such as gasoline) in the vicinity of this or any other appliance.
The information contained in this manual is important for the proper installation, use, and maintenance of this oven. Adherence to these procedures and instructions will result in satisfactory baking results and help prevent maintenance. Please read this manual carefully and retain it for future reference.
Errors - descriptive, typographic, or pictorial - are subject to correction. Specifications are subject to change without notice.
Page 4
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 Grounding Instructions ii Power Cord Replacement ii RF Interference Considerations ii
Chapter 1: Installation, Specifications and Maintenance
Specs and Dimensions 1
Dimensions 1 Construction 1 Standard Features 1 Certifications 1 Packaging 1
Power Supply (Domestic and Intl Electrical Specifications) 1-2 Power Input 2 Delivery and Product Placement 2
Lifting and Placing the Oven 2
Built-In Installation 2
Installation Near Open Heat Source 3
Oven Restraint Kit 4
Ventilation Requirements 4 Setup and Initial Operation 4
Setup 4
Stacking 4
Programming 4
Initial Power-Up 4 Maintenance 5
Chapter 2: Theory of Operation
Theory of Operation 7 Glossary of Common Operating Terms 8
Chapter 3: Fault Codes
To View Fault Codes 11 Fault Code Definitions 11 Fault Code Table 12
Chapter 4: The Control System
Control System Schematic 13 Control System Component Descriptions 14 Test Mode 14 Test Function Options 15 Status Indicators 16
Table of Contents
Page 5
Programming 16 Oven Options User Configurable Options - Enable/Disable Codes User Configurable Options - Access Codes
18 19
19 Control System Panel Parts 20 Control System Troubleshooting
21
Chapter 5: The Microwave System
Voltage Doubler Circuit Description Monitor Circuit Description Voltage Doubler Theory of Operation
25
25
26 Microwave System Parts 26 Microwave System Components 28 Wave Guide Cover Replacement 29 Wave Guide/Wave
Guide Cover Parts
30 Wave Guide Replacement 30 High Voltage and Filament Transformer Replacement
Wiring the High Voltage Transformers
Wiring the Filament Transformers Measuring RF Leakage for Microwave Safety How to Test Microwave Components
Testing the High Voltage Diode
30 30 31 31 32
32 How to Check a Diode 32 How to Check a Capacitor 33 How to Check a Magnetron for Open/Shorted Filament 33 How to Check a High Voltage Transformer or Filament Transformer 33
High Voltage and Filament Transformer Resistance Table 33 Microwave System Troubleshooting
34
Chapter 6: The Oven Door
Removing/Reinstalling the Oven Door
37
Oven Door Parts 37 Adjusting the Oven Door 38 Preparing the Oven for Switch Adjustment 38
Oven Burn-In Procedure
Adjusting the Primary and Secondary Interlock Switches - Old Switch Setup Primary and Secondary Interlock Switch Adjustments and Parts
38
38
39
Door Switch Assembly and Parts 40 Adjusting the Monitor Safety Switch - Old Switch Setup 40 Monitor Safety Switch Parts 40 Adjusting the Primary Interlock Switch - New Switch Setup Primary Switch Adjustment and Parts
42
42
Adjusting the Secondary and Monitor Interlock Switches - New Switch Setup 43 Secondary and Monitor Safety Switch Parts 43 Oven Door Assembly Oven Door Parts
44
44
Screw Torque Chart 45 Interlock Switch Troubleshooting 46
Page 6
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 Element and Catalytic Converter
Components 51 IR Element and Catalyst Removal
51 Removing the IR Element 51 Removing & Installing the Catalytic Converter
52 Installing a New IR Element 52
IR Element and Catalytic Converter Parts 52
Chapter 9: Schematics and Schematic Components
Schematic Parts
53 Line Voltage Components 53 Low Voltage Components Wire Harness Replacement P/N’s
I/O Control Board Item Identification and Test Point Locations Schematic - I/O Board
53
53
53
54
Oven Schematics 55 - 63
Chapter 10: Service Parts and Illustrations
Figure 7: NGC (Tornado) Control System 65 Figure 17: Control System Panel Enclosure and Parts 66 Figure 18: Monitor Circuit - Shown in Failsafe State 67 Figure 20: Microwave System Parts 67 Figure 21: Microwave System Parts
68
Figure 22: Wave Guide Cover/Wave Guide Removal and Replacement 68 Figure 24 & 25: High Voltage Diode and Magnetron Figure 26: Oven Door Removal and Parts
69
69
Figure 29: Primary and Secondary Adjustment and Parts - Old Switch Setup 70 Figure 30: Door Switch Assembly and Parts 70 Figure 31: Motor Switch Adjustment and Assembly - Old Switch Setup 71 Figure 32: Primary Interlock Adjustment and Parts - New Switch Setup Figure 33 & 34: Secondary and Monitor Adj. and Assy. - New Switch Setup Figure 35: Oven Door Assembly
71
72
73
Figure 37: Convection Circuit Block Diagram 74 Figure 38: Convection Circuit Assembly and Parts 75 Figure 39: IR Element and Catalytic Converter Parts and Assembly 76 Figure 46: Covers and Miscellaneous Parts - Non-SBK Ovens Figure 47: Covers and Miscellaneous Parts - SBK Ovens
77
78
Chapter 11: Comprehensive Part List
Comprehensive Part List
79
Page 7
INTRODUCTION
IMPORTANT SAFETY INSTRUCTIONS
Strictly adhere to the following safety precautions to reduce the risk of:
o
Burns
o
Electric shock
o
Fire
o
Injury
o
Damage to oven or property near oven
o
Exposure to excessive microwave energy
GENERAL SAFETY INFORMATION
o
Read all instructions before using the appliance.
o
Install or locate this appliance only in accordance with the provided installation instructions.
o
Some products such as whole eggs and sealed containers (e.g., closed glass jars) may explode and should not be heated in this oven.
o
Use this appliance only for its intended use as described in this manual.
o
This appliance should be serviced only by qualified service personnel. Contact the nearest authorized service facility for examination, repair, or adjustment.
o
Keep cord away from heated surfaces.
x
o
DO
x
o
DO NOT use corrosive chemicals or vapors in this appliance - it is not designed for industrial or laboratory use.
x
o
DO
or dropped. See
x
o
DO
x
o
DO
x
o
DO
x
o
DO
x
o
DO
x
o
DO NOT use a water jet for cleaning. See the maintenance section of this manual on page 5 for proper cleaning
allow children to use this appliance.
NOT
operate this appliance if it has a damaged cord or plug, is not working properly, or has been damaged
NOT
POWER CORD REPLACEMENT, page ii.
cover or block any openings on the appliance.
NOT NOT store this appliance outdoors. NOT use this product near water (e.g., near a kitchen sink, in a wet basement, near a swimming pool). NOT immerse cord or plug in water. NOT let cord hang over the edge of table or counter.
procedures.
i
REDUCING FIRE RISK
o
Remove wire twist-ties from paper or plastic bags used to facilitate cooking in the oven.
o
If materials inside the oven ignite,
- Keep oven door closed
- Turn oven off
- Disconnect the power cord or shut off power at the fuse or circuit breaker panel
o
If smoke is observed, switch off or unplug the oven. Keep the door closed to stifle any flames.
x
o
DO NOT use the cook cavity for storage purposes.
x
o
NOT overcook food. Carefully attend the oven if paper, plastic, or other combustible materials are placed
DO
inside the oven to facilitate cooking.
x
o
DO
leave paper products, cooking utensils, or food in the cavity when not in use.
NOT
SAVE THESE INSTRUCTIONS
Page 8
ii
INTRODUCTION
PRECAUTIONS TO BE OBSERVED BEFORE AND DURING SERVICING TO AVOID POSSIBLE EXPOSURE TO EXCESSIVE MICROWAVE ENERGY
NOT operate or allow the oven to be operated with the door open.
DO
(a)
(b) Make the following safety checks on all ovens to be serviced before activating the magnetron or other
microwave source, and make repairs as necessary: (1) interlock operation, (2) proper door closing, (3) seal and sealing surfaces (arcing, wear, and other damage), (4) damage to or loosening of hinges and latches, (5) evidence of dropping or abuse.
Before turning on microwave power for any service test or inspection within the microwave
(c)
generating compartments, check the magnetron, wave guide or transmission line, and cavity for proper alignment, integrity, and connections.
Any defective or misadjusted components in the interlock, monitor, door seal, and microwave
(d)
generation and transmission systems shall be repaired, replaced, or adjusted by procedures described in this manual before the oven is released to the owner.
A microwave leakage check to verify compliance with the Federal performance standard should be
(e)
performed on each oven prior to release to the owner.
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 oven is equipped with a cord
that has a grounding wire with a grounding plug, which must be plugged into an outlet that is properly installed and grounded. Consult a qualified electrician or serviceman if uncertain about the ability to follow
ground-
ing instructions or if doubt exists as to whether the appliance is properly grounded.
x
o
DO NOT use an extension cord. If the power cord is too short, have a qualified electrician or service-
man install an outlet near the appliance.
WARNING: Improper grounding can result in risk of electric shock.
POWER CORD REPLACEMENT
If the power cord is damaged, it must be replaced by the manufacturer, its service agent, or a similarly quali­fied person.
RF INTERFERENCE CONSIDERATIONS
The NGC (Tornado®) oven generates radio frequency signals. This device has been tested and was determined to be in compliance with applicable portions 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 equipment with sensitivity to signals below these limits may experience interference.
If your equipment experiences interference:
o
Increase the physical separation between this oven and the sensitive equipment.
o
If the sensitive device can be grounded, do so following accepted grounding practices.
o
If battery-powered microphones are being affected, ensure that the batteries are fully charged.
o
Keep sensitive equipment on separate electrical circuits if possible.
o
oute intercom wires, microphone wires, speaker cables, etc. away from the oven.
R
Page 9
Installation, Specifications,
and Maintenance
Page 10
Standard Features
o
Recirculating airpath with
patented catalytic converter
system
o
Multi-speed convection blower
o
Independently-controlled bottom browning element
o
Stackable design
o
Smart Voltage Sensor Technology (North America only)
o
Factory-programmed, customizable menu settings
o
Smart Card for remote programming
o
Warranty -
1 year parts and labor
Certifications
UL, cUL, NSF, FDA, FCC, TÜV, CE
UL KNLZ Ventless Certification - This product conforms to the ventilation recommendations set forth by NFPA96 using EPA202 test method.
Packaging
All ovens are packaged in a double-wall corrugated box banded to a wooden skid.
Power Supply - North America
SMART VOLTAGE SENSOR TECHNOLOGY
Voltage: 208/240 VAC, 60 Hz, 1 phase Amperage:
Nameplate rating 30 Amp (3-wire including ground)
Cordset:
10 gauge, 3 conductor, 5 foot cordset
Plug: NEMA 6-30
1
SPECS AND DIMENSIONS
Dimensions
EXTERIOR COOK CAVITY
Height 19” (483 mm) 8” (203 mm)
with legs 23” (584 mm)
Width
26” (660 mm) 15.5” (394 mm)
Depth 25.7” (653 mm) 14.7” (373 mm)
with handle
28.2” (716 mm)
Weight
190 lbs. (86 kg)
WALL
CLEARANCE
Back 0” (0 mm) unless built-in (page 2) Sides
2” (51 mm)
ENTRY CLEARANCE (minimum)
Crated
31.5” (800 mm)
Uncrated
28.7
” (729 mm)
Construction
EXTERIOR
o
430
stainless steel front, top and sides.
o
4
” (102 mm) adjustable legs
o
Cool to the touch handle
INTERIOR
o
304
stainless steel line
o
Fully insulated cooking chamber
o
Removable assorted cooking surfaces
o
Independently-controlled lower cooking element
FIGURE 1: NGC (Tornado) Dimensions
INSTALLATION, SPECIFICATIONS, AND MAINTENANCE
Page 11
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 follow­ing specifications.
Power Supply - Europe, Asia-Pacific
NGC EW (3-phase) Voltage:
400 VAC, 50 Hz, Wye, 5-
wire (3L + N + Ground)
Circuit Breaker:
Type D, min. 20 Amps
NGC ED (3-phase) Universal Voltage: 230 VAC, 50 Hz, Delta, 4-
wire (3L + Ground)
Circuit Breaker:
Type D, min. 30 Amps
NGC UK (1-phase) Voltage:
230 VAC, 50 Hz, 3-wire
(2L + Ground)
Circuit Breaker:
Type D, min. 30 Amps
Power Supply - Latin America
NGC BK (1-phase) Voltage: 220 VAC, 60 Hz, 3-wire
(2L + Ground)
Circuit Breaker: Type D, min. 30 Amps
Power Supply - Japan
NGC JD (3-phase) Voltage:
200 VAC, 50/60 Hz, Delta,
4-wire (3L + Ground)
Circuit Breaker: Type D, min. 30 Amps
NGC JK (1-phase) Voltage:
200 VAC, 50/60 Hz, 3-wire
(2L + Ground)
Circuit Breaker: Type D, min. 30 Amps
Power Supply - South Korea
NGC KW (3-phase) Voltage:
400
VAC, 60 Hz, Wye, 5-
wire (3L + N + Ground)
Circuit Breaker: Type D, min. 20 Amps
POWER INPUT
Heaters Input Power (NA) 5990/6675 watts Heaters Input Power (Intl)
6300 watts
Microwave Input Power 3500 watts*
*Maximum Independent Input Power
DELIVERY AND PRODUCT PLACEMENT
Remove oven from carton. Immediately note any damage and contact shipping company within 24 hours in order to file a claim. TurboChef is not responsible if the product is damaged in shipment. Remove all literature and accessories from the carton.
NOTE: Thoroughly check the carton before discarding.
WARNING: Oven weight is approx. 190 lbs.
(86 kg) Two or more persons are required to lift it.
Lifting and Placing the Oven
Position one or more persons on either side of the oven and lift from the bottom. Never lift the oven from the front and rear. Place the oven on a counter
­top surface at least 28” (711 mm) deep and capable of supporting 200 lbs (91 kg).
Once properly positioned on the counter, plug the oven into wall-mounted electrical receptacle. See page ii for grounding instructions.
WARNING
: Never lift the oven by its door
handle. Physical damage to the oven and/or personal injury may result. The operator must ensure that the oven is properly placed on the countertop at all times. TurboChef will not recognize a fallen oven as a warrantable claim and is not liable for any
injuries
that may result.
Built-In Installation (Figure 2)
TurboChef ovens are designed to be installed on a countertop or table. They are not intended for built­in or enclosed installation.
“Built-in or enclosed installation” is defined as installing an oven in any structure that surrounds the oven by five sides (i.e., top/rear/side panels and base).
Page 12
If installation must be “built in,” the operator must ensure the following:
o
Minimum of 300 cfm (8.5 cmm) of supplement flow within the cabinet.
o
Minimum clearances of 2" (51 mm) to every surface.
In addition, the operator will be responsible for com­pensating any extra time required to service the prod
-
uct due to removing the product for serviceability.
Installation Near Open Heat Source (Figure 3)
When placing a TurboChef oven near an open heat source, strictly adhere to the following:
o
Verify oven location has a minimum 6" (152 mm) clearance on top and minimum 2" (51 mm) of clearance on each side.
o
If the oven is being placed near a grill or stove, there must be a divider between the oven and the open heat source, with a minimum of 6" (152 mm) between the oven and the divider.
o
If the oven is being placed near a fryer, there must be a divider between the oven and fryer, with a minimum of 12" (305 mm) between the oven and the divider.
o
The height of the divider must be greater than or equal to the height of the oven (23"/584 mm).
FIGURE 2: Built-in Installation Specs
FIGURE
3:
Open Heat Source Installation Specs
INSTALLATION, SPECIFICATIONS, AND MAINTENANCE
3
(102 mm)
Page 13
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.
Proper installation instructions are included with the kit. for additional information, please call customer service at
800.90TURBO / +1 214.379.6000.
Ventilation Requirements
The TurboChef Tornado
TM
oven has been approved by Underwriter’s Laboratory for ventless operation (UL 710B, KNLZ listing) for all food items except for foods classified as “fatty raw proteins.” Such foods include bone-in, skin-on chicken, raw hamburger meat, raw bacon, raw sausage, steaks, etc. If cooking these types of foods, consult local HVAC codes and authorities to ensure compliance with ventilation requirements.
NOTE: In no event shall the manufacturer assume any liability for damages or injuries resulting from installa­tions which are not in compliance with the instructions and codes previously listed.
SETUP AND INITIA L OPERATION
Setup
Once the oven is properly positioned on the counter, remove any packing material and/or any foreign objects
from within
the cavity. Install the oven rack/
cooking surface.
Stacking
1. Ensure the surface that will hold the stacked
ovens can support at least 400 lbs (181 kg).
2. Allow ovens adequate time to cool and unplug them
3. If you are stacking ovens on a TurboChef oven
cart (24” = NGC-1217-1, 18” = NGC-1217-2), make sure that the bottom oven is bolted to the cart and the wheels are locked.
4. Attach the stacking bracket (P/N TC3-0323) to the
back of the bottom oven: a. Remove the two screws that hold the top
panel to the back of the oven (see bottom arrows on Figure 4).
b. Align the holes on the stacking bracket with
the holes on the oven and reinstall the screws.
FIGURE 4: Properly Stacked NGC Ovens
INSTALLATION, SPECIFICATIONS, AND MAINTENANCE
5. Remove the legs of the oven that will be placed on top. This requires two or more persons - at least one person to lift and one to unscrew the legs.
6. Remove the screws from the oven that will be placed on top (see top arrows on Figure 4).
7. Place this oven on top of the other (the one to which the stacking bracket is attached).
WARNING: Do not attempt to lift the oven
with fewer than 2 people.
WARNING: Do not lift oven from front
and back.
8. Align the holes on the bracket with the holes on the top oven and reinstall the screws.
WARNING: Do not stack ovens over two-
high.
Programming
The oven is preprogrammed and ready to oper­ate out of the box.
Initial Power-up
To turn on the oven, press the bottom-right soft key next to the words
OVEN ON on the display.
The oven will begin to warm up to its prede­fined cooking temperature. This takes approxi­mately 13 minutes.
When the warm-up cycle is completed, the oven will beep and display the
READY TO COOK.
Page 14
INSTALLATION, SPECIFICATIONS, AND MAINTENANCE
10
9
876
1 2 3 4 5
5
DAILY MAINTENANCE FOR THE NGC
Before cleaning, check with the store for custom cleaning instructions.
When cleaning the oven, use only TurboChef Oven Cleaner.
Any other cleaning products can damage
critical parts and may void warranty on those parts.
Supplies and Equipment
TurboChef®Oven Cleaner (P/N 103180 USA,
103380 Intl), Oven Guard (P/N 103181 USA, 103381 Intl), nylon scrub pad, cleaning towel
Step 1: Prepare the Oven
o
Turn oven off by pressing the BACK key.
o
The oven will display OVEN OFF/COOLING DOWN.
x
o
DO NOT attempt to clean oven during the cool
down cycle. Cooling takes appx. 90 minutes.
WARNING
: The oven operates at appx. 500
º
F (260ºC) and may cause injury if not allowed time to cool properly.
Step 2: Remove the Lower Access Panel
o
Wipe out any crumbs that have collected.
Step 3: Remove and Clean the Cooking Surface
o
If rack, wash, rinse, and sanitize.
o
If baking stone, gently dry-scrub with nylon pad. If the stone gets wet, let it thoroughly air-dry.
Step 4: Lift Bottom Element
o
Be sure the bottom element is cool prior to lifting.
WARNING
: The bottom element operates at
appx. 1000ºF (537ºC).
Step 5: Remove Particles and Spray Oven Interior
TurboChef
with
o
Using a damp towel, remove large food particles.
o
If stubborn stain is present, sparingly spray
®
Oven Cleaner
TurboChef Oven Cleaner onto the stain.
o
Allow cleaner to penetrate for five (5) minutes.
x
o
DO NOT saturate the bottom of the oven with
water or oven cleaner.
Step 6: Clean Oven Interior
o
Using a nylon scrub pad, clean the oven door and cook cavity.
CAUTION: DO NOT apply pressure to the
wave guide covers. Breaking will result in a
non-warranty service call.
Step 7: Wipe Out Oven Interior
o
Wipe oven door, bottom element, and cook cavity using a damp towel.
Step 8: Clean Lower Access Panel Area
x
o
DO
spray any chemical in this area.
NOT
Step 9: Lower the Bottom Element and Reinstall the Cooking Surface and Lower Access Panel
Step 10: Apply Oven Guard and Clean Oven Exterior
o
Spray Oven Guard on towel. Wipe sides of cook cavity and inside of door.
x
o
DO NOT spray Oven Guard directly into cook
cavity or wipe on nozzle plates/bottom element.
o
Wipe the oven exterior with a clean, damp towel.
o
Oven is ready to turn on.
Page 15
Theory of Operation
Page 16
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:
o
Convection
o
Infrared energy
o
Microwave energy
By combining these mechanisms along with the ability to control each mechanism independently, the NGC (Tornado) oven is able to reduce the cook time of most foods by 70-90 percent.
Figure 5 below represents the oven’s different sys­tems and the critical components of each system.
Should a problem arise with any of the compo
­nents listed below, please turn to the appropriate section within
this manual for further instructions.
For the purpose of this manual, each independent heat transfer mechanism is individually identified. For instance, if an oven is experiencing difficulties browning the food, focus on CONVECTION SYSTEM and/or
BOTTOM IR AND CCV. Focus on MICROWAVE
SYSTEM
if the oven is browning the food but not
heating the inside.
Part numbers are included on illustrations (where applicable) and in the back of this manual. If an item is not illustrated, the part number is provided in the text.
Chapter 4
CONTROL SYSTEM
I/O Control Board Keypad Display Mechanical Relays Solid State Relay
Chapter 5
MICROWAVE SYSTEM
Magnetrons High Voltage Transformers Filament Transformers High Voltage Capacitors High Voltage Diodes Fuses
Chapter 7
CONVECTION SYSTEM
Convection Heater Blower Controller Blower Motor Hi-Limit Thermostat
Chapter 8
BOTTOM IR AND CCV
Bottom Infrared Element Catalytic Converter
FIGURE 5: NGC (Tornado) Systems and Critical Components
Page 17
8
THEORY OF OPERATION
GLOSSARY OF COMMON OPERATING TERMS
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 blower until the cook cavity temperature is below 150ºF (66ºC).
Ready State
The oven has successfully warmed to the predefined set temperature. At this point the oven control is ready to receive cook commands via the keypad. The oven will maintain the set temperature in the
STATE.
READY
Set Temperature, Cook Cavity (CCSP)
Predefined temperature of the cook cavity at which the oven cooks.
Set Temperature, IR Element (IRSP and IRSI)
IRSP is the set temperature of the IR element during a given cook cycle. Settings are determined on a per-recipe basis. IRSI is the set temperature of the IR element during the READY STATE (or “idle”). IRSI setting can be adjusted in the TEST MODE (page 16).
Actual Temperature, Cook Cavity (TCC)
The actual temperature registered by the cook cavity thermocouple.
Actual Temperature, IR Element (TIR)
The actual temperature registered by the IR element.
Edit Mode
Enables the user to change recipe and CCSP/IRSP temperature settings.
Warm-Up
The mode in which the oven warms itself to the set temperature.
Soak
The mode in which the oven temperature has reached the CCSP, and remains in warmup for an addi tional 8 minutes to allow cook cavity surfaces to warm. The oven will proceed to soak only if warm-up was initiated when TCC < (CCSP - 126ºF) or TCC < (CCSP - 66ºC).
Cook Cycle
A period of operation as defined by a recipe.
Test Mode
A special diagnostic mode that enables the service technician to turn on and off all oven systems independent of one another, check oven statistics, and set the IRSI.
-
Page 18
THEORY OF OPERATION
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.
Events
A single operational element that is a part of a recipe. Each recipe may have up to six events depending on programming. Each event can be set between 0 and 100% of the total cook time.
Total Cook Time
The total duration of a recipe.
9
Percentage (%) Time
An event subset that specifies the duration of the event. The sum of all event time percentages for a recipe must equal 100%.
Percentage (%) Air
An event subset that specifies the relative amount of impingement airflow (speed of convection motor) dur ing an event. Valid between 10 and 100%.
NOTE: Maximum 100% = 7100 RPM blower motor speed. Blower motor speed scale is linear.
Percentage (%) Microwave (WAV)
An event subset specifying the microwave cycle during the event. Valid between 0 and 100%. For example, if WAV is set to 30%, then microwave would be present in the cook cycle for 3 out of every 10 seconds.
Fault Code
A code assigned to an instance that the control considers to be a failure. Upon discovering a fault, the control will display the fault code and a brief description of the failure. The oven will also log faults F1 through F6 in the Fault Log. See page 11 for more detail on faults and for viewing the fault log.
-
Page 19
Fault Codes
Page 20
The NGC (Tornado®) oven has the ability to continual-
COOK COUNT
F1 BLOWER
F2 LOW TEMP
F3 MAG CURR
F4 MONITOR
F5 MAG TEMP
F6 TEMP
S/N XXXXXX
NGCVXXXX XXXXXX
0
0
0
0
0
0
0
FIGURE 6: Fault Log
FAULT CODES
monitor and log various fault conditions. Some
ly fault conditions will terminate cook cycles, while
will not. Please refer to the fault code table
others on page 12 for more detailed information.
When a fault is detected, the Fault Log will incre­ment. However, if the fault is subsequently
cleared by some action, whether service related or not, the Fault Log will not decrement.
11
TO VIEW FAULT CODES
To view the Fault Log, simultaneously press the “4” and “6” keys while the oven is in the OFF STATE.
all faults logged. Figure 6.
The oven will dis
play
Each fault will log up 255 instances before rolling back to zero. To zero the log, see pages 14-15
TEST MODE).
(
: The Fault Log also displays cook counts,
NOTE
which will log up to 65,535 cook cycles. In order for the control to log a cook cycle, the
oven must complete the first event of any given recipe. If a recipe has only one event, the oven must complete the entire cook cycle in order to count it.
FAULT CODE DEFINITIONS
F1: Blower Running Status Bad
Fault is displayed when the motor controller indicates no running status.
The motor and motor controller are monitored tinuously in all modes with special handling in
TEST and TEST MODE. If a fault is detected, the con-
con-
SELF
trol will terminate a cook cycle and display F1:
BLOWER. Upon turning on the oven, the control will
attempt cessful, the also cleared from the display at the onset of cooking or when the blower motor is tested in TEST MODE.
to restart the motor. If the restart is suc
fault code will be cleared. The fault is
-
F2: Cook Temperature Low
Fault is displayed if the cook cavity temperature is more than 84ºF (47ºC) below the set temperature after five (5) seconds into a cook cycle
.
The fault is cleared from the display at the onset of cooking if the cook cavity temperature is within
º
(47
84ºF heater is tested in the
of the set temperature or when the
C)
TEST MODE.
F3: Magnetron Current Low
Fault is displayed when the current transformer (CT) on the I/O control board does not detect enough current. The fault is monitored when the microwave is on during a cook cycle or self-test.
The fault is cleared from the display at the onset of a cook cycle if the CT detects current or when the magnetron is successfully energized in TEST MODE.
F4: Door Monitor Defective
Fault is displayed when the control detects that the monitor interlock switch unlatches before the
pri
mary or secondary interlock switches.
In addition, this fault will blow the F3 fuse if the microwave high voltage system is energized when the fault occurs. The fault is cleared from the display when the oven is powered off and then back on.
-
Page 21
12
FAULT CODES
: Door interlock switches are in parallel. See
NOTE 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 thermo­stat is “open.”
The fault is cleared from the display at the onset of a cook cycle if the thermostat is closed or when the magnetron is successfully tested in TEST MODE.
F6: EC (Electrical Compartment) Temperature High
Fault is displayed when the EC thermocouple exceeds 158ºF (70ºC). It is monitored once per minute.
The fault is cleared from the display when the EC
FAULT CODE TABLE
thermocouple temperature is below the indicated limit.
F7: Thermocouple Open
Fault does not log in counter. Fault is displayed when the control detects that either the IR or CC thermocouple is “open.”
o
999ºF/C indicates CC thermocouple is “open.”
o
1999ºF/C indicates IR thermocouple is
“open.”
Fault is cleared when the control detects continuity on the open thermocouple circuit.
F8: Heat Low
Fault is not logged in counter. Displays during
WARM UP or SELF TEST if the cook cavity tempera-
ture (TCC) fails to rise at least 14ºF (7ºC) within a given thirty (30) seconds.
FAULT CODE AND DESCRIPTION WHEN ACTIVE REFER TO
F1: Blower Running Status Bad
F2: Cook Temperature Low
F3: Magnetron Current Low
F4: Door Monitor Defective
F5: Magnetron Over Temperature
F6: EC Temperature High
Thermocouple Open
F7:
F8: Heat Low
Warm - up
X
X
X
X
Idle Mode
X
X
X
Cook Mode
X
X
X
X
X
X
X
Self-Test
X
X
X
X
X
Page 22
Page 23
Page 34
Page 46
Page 28
Page 14
Page 21
Page 22, 49
Fault codes are listed in order of hierarchy. For example, if during cooking the oven experiences an F1 and F2 fault, the oven will report only the F1 fault because the software will halt all actions upon discov­ering the F1 fault. F7 and F8 faults are displayed on the primary screen and are not displayed or counted in the Fault Log.
NOTE: All Fault codes listed in bold will terminate a cook cycle upon discovery. Any fault occurring in
a cook cycle will be logged in the Fault Log.
Page 22
The Control System
Page 23
GROUND
S
T
A
T
U
S OK
I/O COM
1
2
O
U
T
2
4
0
V
A
C
3 PHASE
3
4
4
6
5
2 1
3
I/O COM E
N
A
B
L
E
2
0
0-240
VAC IN
S
P
D
2 3
0-10V
1
BMSC
K1
M
ECH
RELAY
+
24 VDC -
RELAY
M
ECH
K2
RELAY
M
ECH
K3
SSR
D
UAL
B
OARD
CONTROL
I
/
O
K
E
Y
P
A
D
VFD
D
I
S
P
L
A
Y
IR THERMOCOUPLE
E
C
THERMOCOUPLE
C
C
T
H
E
R
M
O
C
O
UPLE
SUPPLY
P
O
WER
2
4
V
D
C
IR ELEMENT COMMAND
C
O
NVECTION HEATER COMMAND
M A
G H V
COMMAND
COMMAND
MAG FILAMENT
MONITOR INTERLOCK
I
N
T
E
R
LOCK
INTERLOCK
+
2
4
V
DC
+24VDC
+
2
4
V
D
C
COMMON
CMD
C
O
M
MON
+
2
4
VDC
PRIMARY SWITCH
S
E
C
O
N
D
A
RY SWITCH
K6
M
ECH
RELAY
+
24 VDC -
+
24 VDC -
+
24 VDC -
VOLTAGE
C O M
M AND
COMMON
VOLTAGE INPUT
V
O
L
T
A
G
E
K7
RELAY
- 24 VDC +
MAGNETRON COOLING FAN COMMAND
P
R
IMARY SWITCH
NC NO
C
N
C
C
N
O
SECONDARY SWITCH
M
O
N
I
T
OR SWITCH
N
C
C
NO
3(+) 4(-)
3
(+) 4(-)
+V
-
V
L
N
A
(
-
)
C
(
+
)
C
(
+
)
A (-)
C (+)
A
(
-)
1 2
1
4
14
2
1
1
4
21
14
2
1
1 2
2 5
2 6
2
1
2 5
2 6
2
1
1 2
2 5
2 6
2 5
2 6
+24VDC
K5
K
4
(U.S. ONLY)
F
OR MORE DETAIL, SEE FIGURE 37
S
E
N
S
O
R
FIGURE
7:
NGC (Tornado
®
) Control System
13
U.S. ONLY
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.
NOTE
be located on the drawings found throughout and at the end of this manual.
THE CONTROL SYSTEM
: The part numbers for each component can
Page 24
14
THE CONTROL SYSTEM
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. Switches power to the magnetron
filament transformers.
K2 Mechanical Relay
240 VAC, 30 Amp, Double Pole, Double Throw, 24 VDC Relay Coil. Switches power to the magnetron
high voltage transformers.
K3 Mechanical Relay
240 VAC, 30 Amp, Double Pole, Double Throw, 24 VDC Relay Coil. Safety interlock device designed to
short L1 and L2 if the monitor switch opens before the primary or secondary interlock switches.
IR Thermocouple
Type K Thermocouple. Embedded in the IR ele­ment, the IR thermocouple measures the inter­nal/sheath temperature of the IR element. Valid IR set points are between 500ºF (260ºC) and 1150ºF (621ºC). The display indicates 1999ºF/C if the thermocouple
is “open
”.
EC Thermocouple (P/N 700-1199)
Type K Thermocouple. Thermocouple measures the temperature of the electrical compartment. If the temperature within the electrical compartment is above 158ºF (70ºC), the control displays F6: EC
TEMP. The control board checks the EC tempera-
ture every 60 seconds.
CC Thermocouple
Type K Thermocouple. Thermocouple measures the temperature of the re-circulating impingement airflow. Valid CC set points vary depending on software. If the
display indicates 999
º
F/C, the ther
mocouple is “open.”
-
K4/K5 SSR
240 VAC, Dual 40 Amp Solid State Relay. K4 (right) controls the convection heater and K5 (left) controls the IR element.
K6 Mechanical Relay (North America Only)
240 VAC, 30 Amp, Three Pole, Double Throw, 24 VDC Relay Coil. Responsible for switching between
the 208VAC and 240VAC taps on the high volt­age and filament transformers.
K7 Relay
24 VDC, 20 Amp, Sealed.Starts with command
from I/O board; switches magnetron cooling fan on and off. Timer for switching off mag fan is 4:15 after filament switches off.
Interlock Switches
Primary, Secondary, and Monitor Interlock Switches . Must be actuated by the oven door. When the door opens, the order is: P, S, M.
BMSC
Proprietary Brushless DC Motor Controller. Designed solely to operate the blower motor.
VFD (Display)
Vacuum Fluorescent Display.
Keypad
5x9 Matrix Membrane Switch. Keypad is connected to the I/O control board via 14-pin flat cable.
Voltage Sensor (North America Only)
Proprietary device designed to measure incoming line voltage and switch between 208 and 240 VAC operation. The device measures and allows the user to configure
the oven only when the oven is first powered on. Voltage sensor will default at 240 VAC.
TEST MODE
The Test Mode allows the service technician to operate the oven’s subsystems individually. It also allows the operator to configure various presets.
Page 25
THE CONTROL SYSTEM
CC 810F
TEST NGC XXXXX
IR 5000F
BLOWER HEATER
FAULT S MGTRON
STEST
IR ELE
P S M At h Wi
CC 810F
TEST NGC XXXXX
IR 5000F
DIAG
0
ELEC
COOKS F/C
ACCUM
IR SI
P S M At h Wi
FIGURE
9: Test Mode - Screen 1
FIGURE
10: Test Mode - Screen 2
FIGURE
8: Accessing Test Mode
15
To enter
Press the BACK key until the display is in the OFF
1.
STATE
Simultaneously press BACK and ENTER keys.
2.
TEST MODE (Figure 8):
.
3. When prompted, enter the access code: 9-4-2-8 and press
ENTER.
The TEST MODE displays the software version, actu­al cook chamber temperature, and actual IR element temperature at the top of the screen. The TEST
MODE consists of 2 screens (Figures 9 and 10). To
display the second screen, press either the UP or
DOWN key. To test a component or sub-system,
press the corresponding soft key.
TEST FUNCTION OPTIONS
Blower Speed (Screen 1)
The BLOWER key increments the blower motor speed in 10% increments. When the speed is 100%, the next press sets the speed to 0%.
Self-Test Function (Screen 1)
key initiates a self-test to test all major
STEST
The components of the oven (including door switches). To run the key once.
/COOLING DOWN mode.
OFF
self-test, press the corresponding soft
Press the BACK key to return to the OVEN
Heater Test (Screen 1)
Press the HEATER key to turn the heater on. Heater will remain on until key is pressed again to turn it off. If the blower speed is 0, the blower speed is set to idle airflow (10%).
Magnetron (Screen 1)
Press and hold the
MGTRON key to test the mag-
netrons. Doing so requires a 5-second warm-up period. Once the MGTRON key is released, the high voltage supply is switched off to the magnetron and the magnetron will stop radiating; however, the power is still supplied to the magnetron cooling fan for an extra 4 minutes, 15 seconds.
NOTE
cooling, open the oven door to further expedite.
Faults (Screen 1)
Pressing the FAULTS soft key will display all the accumulated faults in the Fault Log. Press “0” to zero the fault counter. For more information, see page
: If this function is being used to expedite
.
11
IR ELE (Screen 1)
Pressing the IR ELE key will turn on the IR element. When pressed, the screen will read IR
ELEMENT ON. Press the IR ELE key again to turn it
off.
Page 26
16
THE CONTROL SYSTEM
Diagnostic Display (Screen 2)
DIAG key turns on or off the diagnostic display
The 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. When a status indicator
is highlighted/backlit the corresponding system is off or open. For
example:
W would indicate that the
Microwave System is off.
STATUS INDICATOR section below offers a more
The detailed description of each indicator.
COOKS (Screen 2)
Press once to display the total number of cook counts for all recipes. Press again to display the total amount of time the oven has been in cook cycles.
ACCUM (Screen 2)
Press once to display the total amount of time the magnetrons have been on. Press again to display the total amount of time the oven has been on.
Electronic Compartment Temperature (Screen 2)
º
The
ELEC key displays the temperature inside the
electronic compartment.
F/C (Screen 2)
Changes how the oven’s temperature units are dis
/C key alternately selects Fahrenheit or
played. The
F
-
Celsius.
IR SI (Screen 2)
Displays the idle IR set point. This temperature is a factory setting and should never be altered.
If an incorrect temperature has been entered, consult the factory before changing this value.
STATUS INDICATORS
See Figures 9 and 10 on page 15.
Primary switch – closed or open
P S Secondary switch – closed or open
Monitor switch – closed or open
M t Magnetron thermostats – closed or open
Main convection heater – off or on
h i IR element – off or on
Blower motor controller – enabled or disabled
A
Microwave current – Less than or greater than 7
W
Amps*
* Microwave (W) status indicator is not
highlighted/backlit when the current is more than 7 Amps.
Status indicators are displayed at the bottom display screen when the oven is in during normal oven operation if in
TEST MODE, or
DIAGNOSTIC MODE
of the
(DIAG was turned on). Refer to Figures 9 and 10.
If a status indicator is highlighted/backlit, the item or component is in an un-energized or off state. Conversely, if a status indicator is not highlighted, the component is in an energized or on state.
PROGRAMMING
Edit Mode
EDIT MODE enables the operator to manually alter
The recipes
and the cook cavity temperature (CCSP).
To access EDIT MODE:
1. Simultaneously press the UP and DOWN keys.
2. When prompted, enter the access code “9” and press the ENTER key.
then
: If this does not provide access, refer to page 19
NOTE
for enable/disable codes.
Changing the Cook Chamber Temperature
This temperature is a factory setting - exercise caution before altering it. For best results, consult the factory before changing this value.
Page 27
GROUP A
EDIT GROUPS
GROUP B
GROUP C
GROUP D
GROUP E
GROUP F
GROUP G
GROUP H
ITEM 1
GROUP A
ITEM 2
ITEM 3
ITEM 4
ITEM 5
ITEM 6
ITEM 7
ITEM 8
< GROUP 1 >
SAVE
TEST
ITEM 1
COUNT COOK TIME IR SETPT
%TIME %AIR %WAV 1 XXX 2 XXX 3 XXX 4 XXX 5 XXX 6 XXX
XXX XXX XXX XXX XXX XXX
XXX XXX XXX XXX XXX XXX
0 00:00 5000F
FIGURE
11:
Select Group
FIGURE
12: Select Recipe
FIGURE
13: Edit Recipe Settings
17
THE CONTROL SYSTEM
To change press vary depending on software. the correct firm and advance to the next screen
Altering a Recipe
Most NGC (Tornado) oven models contain 128 unique recipes. The display shows two (2) pages each with eight (8) recipe groups. Each recipe group con­tains eight (8) recipes. See Figures 11 and 12.
To alter a recipe:
1.
2. Enter the access code “9” and set the CCSP. The
3.
4.
the cook cavity temperature
(CCSP),
the UP and DOWN keys. Temperature ranges
Once you have selected
temperature, press the ENTER key to con-
.
Enter the EDIT MODE (see page 16).
screen displays the first set of eight (8) recipe groups. To access the second set of eight (8) recipe groups, press either the UP or DOWN key.
Select the recipe group that contains the
individ­ual recipe you wish to alter. Select the recipe you wish to alter by pressing the soft key correspon­ding to the recipe item. Figures 11 and 12.
Use the the recipe settings. Use the keypad and ENTER key
UP and DOWN keys to navigate through
to alter any of the following three (3) parameters (see Figure 13):
a.
Cook
time Total duration of the cook cycle. Enter the desired time and press
IR element temperature (IRSP)
b.
ENTER.
The temperature the lower radiant element will maintain during the entire cook cycle. Valid temperatures are between 500ºF (260ºC) and 1150ºF (621ºC).
c. Events 1…6
key to enter values
Use the keypad and
ENTER
for % TIME, % AIR, and % WAV.
o
Sum of %
TIME for all events must = 100.
The operating system will not allow a combination of events not equal to 100%.
o
The % AIR parameter is valid between 10 and 100%.
o
The % WAV (microwave) parameter is valid between 0 and 100%.
5. After making changes, test
the recipe by pressing the TEST soft key. Once the oven has warmed to the CC set point, press the TEST soft key again to begin the test cook.
6. Once satisfied with the recipe, press SAVE to permanently store changes.
7. Press the
BACK key until exited from EDIT MODE.
Page 28
DONE
SAVE TIME
COOK MORE
ENTER COOK TIME
00:20
START
FIGURE
15: Done Screen
FIGURE
16:
Time (Start) Screen
THE CONTROL SYSTEM
18
FIGURE
14: Inserting Smart Card
Loading a Menu from a Smart Card
OFF/COOLING
1. Ensure the oven is in the
DOWN mode.
2. Enable the
LOAD MENU function (page 19). The
OVEN
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.
6. Select
LOAD MENU FROM CARD. The menu on
the smart card will load to the oven.
7. When this process completes, the oven will beep. Remove the smart card and reattach the lower access panel.
8. If the oven is a Subway oven, disable the LOAD
MENU function (page 19). For all other ovens,
leave it enabled.
OVEN OPTIONS
Done Screen
To enable/disable the Done Screen (Figure 15), see the next page. Enable the Done Screen to:
o
Cook an item longer after the end of a cook cycle.
o
Save an adjusted cook time (only if Time Screen is also enabled).
Time Screen
To enable/disable the Time Screen (Figure 16), see the next page. Enable the Time Screen to:
o
Adjust the cook time before initiating a cook cycle.
o
Save an adjusted cook time.
Snooze Mode
To enable/disable the Snooze Screen, see the next page. Enabling the Snooze Screen will allow the oper ator to set the oven in a mode during which all oven operations are turned off, but the heaters remain on. The cook cavity will remain at the set temperature, and the IR temperature will drop 200ºF (104ºC) below the IRSI. This allows fast recovery when the oven is again turned on.
-
Page 29
THE CONTROL SYSTEM
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.
19
After each code, press
ENTER. To enable, press 9 after entering code (except S-A-V-E, W-A-V-E). To disable, press
any key (except 9) after entering code.
Function/Screen Simultaneously Press Enter Key Code
Done Screen w/out “Save Time”
BACK & ENTER 3-6-6-3 (D-O-N-E)
Done Screen w/ “Save Time” - step 1 BACK & ENTER 3-6-6-3 (D-O-N-E) Done Screen w/ “Save Time” - step 2
Edit Recipe Mode
BACK & ENTER 8-4-6-3 (T-I-M-E)
& DOWN 8-4-3-3 (T-I-D-E)
UP
Load Menu from Card BACK & ENTER 6-3-6-8 (M-E-N-U)
Save Menu to Card - step 1 BACK & ENTER 6-3-6-8 (M-E-N-U)
& ENTER 7-2-8-3 (S-A-V-E)
Save Menu to Card - step 2
Snooze Screen
Time Screen (Figure 16)
Timed Mag Test
- Some codes are not available on some ovens.
- Oven must be in Off or Cooling Down mode.
USER CONFIGURABLE OPTIONS - ACCESS CODES
BACK
BACK & ENTER 7-6-6-9 (S-N-O-Z)
BACK & ENTER 8-4-6-3 (T-I-M-E)
& ENTER 9-2-8-3 (W-A-V-E)
BACK
The following codes allow access to each function/screen listed. To enable/disable these codes (where applicable), see above. After each code, press ENTER.
Function/Screen
Simultaneously Press Enter Key Code
Edit Recipe Mode UP & DOWN 9 (or as specified - see “Set PIN” below)
Erase Menu* BACK & ENTER 3-7-2-7 (E-R-A-S)
Load Menu from Card
Bottom-left, then upper-mid soft key
Master Reset BACK & ENTER 9-4-7-1
Save Menu to Card
Set PIN**
& DOWN 3-3-4-8 (E-D-I-T)
UP
Bottom-left, then lower-mid soft key
Test Mode BACK & ENTER 9-4-2-8 (W-H-A-T)
Unit Test
BACK & ENTER 8-6-4-8 (U-N-I-T)
View Cook Counts 1 & 3
View Faults***
4 & 6
Zero Cook Counts* BACK & ENTER 6-7-3-9 (O-R-E-Z)
- Oven must be in Off or Cooling Down mode.
* To execute, press 3 after entering code.
Set PIN after entering code. Accessing “Edit Recipe Mode” will now require new PIN instead of 9.
**
*** To view voltage, press ENTER. To initiate a self test, press the corresponding soft key from the voltage screen.
Page 30
FIGURE
17: 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. NGC-3023 Display Svc Kit (includes
Items 5, 6, and 7)
5.
101954 Spacer, 1/2” Lg, Aluminum
6. 100193 3-Pin Power Cable
7. 100184 26-Pin Ribbon Cable
8.
NGC-1110-1 Keypad, NGC, Standard NGC-1110-2
Keypad, NGC, SWY
NGC-1110-3
Keypad, NGC, SBK
NGC-1110-4 Keypad, NGC, OUT
9. 100506 Smart Card Reader
10. 100182 Smart Card Reader Cable
* Contact TurboChef (800.90TURBO or
+1 214.379.6000
) for more info/part numbers.
1
2
3
4
5
6
7
10
9
THE CONTROL SYSTEM
20
8
Page 31
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.
o
If there is no voltage, replace F1 and F2 fuses.
o
If the voltage is OK, verify output of power supply is 24 VDC. If there is no output, change the power supply. If the power supply is 24 VDC, see below.
Output is 24VDC
: Verify I/O control board has 24 VDC by checking the voltage on the D6
diode (striped end) on the I/O control board to chassis.
Reference page 54 for a schematic of the I/O control board.
o
No voltage: Check wires from power supply to I/O control board.
o
Voltage is 24VDC, but 5VDC is not present on the I/O control board J3 connector: Replace I/O control board.
3. The control DOES beep when any Key on the Keypad is pressed.
Check all connections between the I/O control board and display. Correct any
loose connections. If connections are OK and 5 VDC is
present on the J3 connector, but there is still no display, replace display.
No Keypad Input 1. Check keypad ribbon cable going to the I/O control board.
o
Cable and connection bad: Replace keypad.
o
Cable and connection OK: Replace the I/O control board.
F7: Thermocouple Open
CC Thermocouple Reads 999ºF/C or IR Thermocouple Reads 1999ºF/C
1. Check the connection of open thermocouple on the I/O control board.
If the connection is OK, verify thermocouple is not an open circuit by using your ohm meter. The cook cavity thermocouple should measure approximately 4-5 ohms and the IR thermocouple should measure approximately 30-40 ohms. Measure at the I/O control board 40-pin connector.
o
Thermocouple indicates open circuit: Replace defective thermocouple.
o
Thermocouple OK: Replace the I/O control board.
NOTE
: F7 fault is not logged in the fault counter.
CONTROL SYSTEM TROUBLESHOOTING
21
THE CONTROL SYSTEM
Page 32
22
THE CONTROL SYSTEM
ISSUE RESOLUTION
F1: Blower Running Status Bad
Motor
not running
when commanded.
F3: Magnetron Current Low
F8: Heat Rise Low
: This message
NOTE
occurs in
SELF TEST if the oven fails
WARM UP and
to warm up in the prede
mined time period.
ter
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.
o
208/240/230 VAC is present: Verify control wiring from the motor controller and I/O control board, specifically low-voltage wire OR-9. If all wires are OK, then refer to page 50 for motor
controller
troubleshooting.
o
208/240/230 VAC is not present: Correct wiring going to the motor controller. Also, check fuses.
Status Indicator “A” is still highlighted in TEST MODE.
2.
Refer to page 50 for motor controller troubleshooting.
1. Ensure the K2 mechanical relay is in good working order.
If relay is OK, refer to pages 34-35 (
F3: MAGNETRON CURRENT LOW) for
detailed troubleshooting.
Verify the high-limit thermostat is not tripped.
1.
o
If high-limit is tripped, reset and allow the oven to warm up.
o
If high-limit is not tripped, proceed to instructions below.
High-limit thermostat is not tripped:
-
Check both K4 and K5 SSRs by activating them in
IR ELE). When actuated, the (-) control input of the SSR will
HEATER
go to 0.00 VDC.
and
When the relay is not actuated, the input will read
TEST MODE (activate
-24.00 VDC.
o
If the control voltage is not pulled down during actuation, verify the wiring between SSR and I/O control board. Replace SSR if wiring is OK.
o
If the control voltage is pulled down: Refer to Figure 37 on page 47.
Page 33
ISSUE RESOLUTION
THE CONTROL SYSTEM
23
F2: Cook Temperature Low
Verify the high-limit thermostat is not tripped.
1.
o
If high-limit is tripped, reset and allow the oven to warm up.
o
If high-limit is not tripped, follow the instructions below.
High-limit thermostat is not tripped.
Place a small water load in a microwave/heat-resistant container (approx. 275 ml) in the oven and place the oven in
TEST MODE. Press
the MGTRON key to actuate the microwave. While holding down the
MGTRON key, watch the CC and IR temperatures. If either temperature
bounces substantially, there may be a noise (EMI) problem.
To correct this problem, examine the wire routing for each thermocouple wire. If the wires are routed near any high voltage components such as the magnetron or high voltage transformers, re­route the wires. If this does not correct the problem, verify that both magnetrons are securely mounted. Call Technical Support for further details
at 800.90TURBO or +1 214-379-6000.
Page 34
The Microwave System
Page 35
THE MICROWAVE SYSTEM
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 AMP
(BLOWN)
+24 VDC
LINE VOLTAGE
(L1)
LINE VOLTAGE
(L2)
K2 HV
RELAY
T1
HV TRANSFORMER
3
3
T2
HV TRANSFORMER
MONITOR SWITCH
(OPEN)
K3 MONITOR
RELAY
CONTROL
CDM
CONTROL
CDS
CONTROL
C
NC
NO
C
NC
NO
C
PRIMARY AND SECONDARY
INTERLOCKS (CLOSED)
FIGURE
18:
Monitor Circuit - shown in failsafe state.
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. The Voltage Doubler Circuit
consists of a special step-up transformer, a
capacitor, and a diode.
MONITOR CIRCUIT DESCRIPTION
In addition to understanding the Voltage Doubler Circuit, it is imperative to understand how the Monitor Circuit operates. The Monitor Circuit is operator if both the primary and secondary inter lock switches
a failsafe circuit designed to protect the
-
fail to operate normally.
The Monitor Circuit consists of the primary and secondary interlock switch, monitor safety switch, monitor relay, and the F3 fuse. When the oven door closes during normal operation, the monitor, secondary, and primary switches close in the order listed above. When all switches are closed, the Microwave System is allowed to operate.
If during normal operation any of the interlock switches open - such as when the oven door opens
control will turn off the microwave. If the
- the monitor switch opens before the primary or sec­ondary switches (abnormal operation),
the monitor switch de-energizes the monitor relay. When this occurs, a dead short is placed across L1 and L2. The short then blows the F3 fuse, which perma­nently interrupts power to the Microwave System until all switches are repaired and/or functioning properly.
Figure 18 shows a schematic of the Monitor Circuit. Make sure to note the following:
o
Primary and secondary switches interlock the high-voltage control signal. (K2 relay)
o
Normal operation: When the K2 and K3 relays energize, power is supplied to the high-voltage transformers.
o
Abnormal operation: When K2 is energized and K3 is un-energized (via an opening of the monitor switch), L1 and L2 short to blow the F3 fuse and failsafe.
Figure 19 on the following page details the theory of operation of the Voltage Doubler Circuit.
Page 36
+(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 CHARGES
ON POSITIVE VOLTAGE SWING
CHARGED CAPACITOR PLUS TRANSFORMER
ON NEGATIVE VOLTAGE SWING
FIGURE 19: Voltage Doubler Circuit Theory of Operation
VOLTAGE DOUBLER THEORY OF OPERATION
Figure 19
1.
The high-voltage transformer steps up the input voltage to approximately 2400 volts peak (4800 volts peak to peak).
2.
The high-voltage capacitor charges to 2400 volts on the positive going voltage via the high volt
-
age diode’s conduction.
3. The high-voltage transformer plus the charged high-voltage capacitor supply down to
-4800 volts to the magnetron when the voltage goes negative. (high-voltage diode is back biased.)
4. The magnetron converts negative input voltage (and current) to RF energy at 2450 MHz.
WARNING
:
Do not attempt to measure
these voltages.
MICROWAVE SYSTEM PARTS
Figures 20 and 21
11.
NGC-3062-1 HV Transformer (2 per oven, 1
per kit) - USA, Mexico, Brazil, S. Korea
NGC-3062-2
HV Transformer (2 per oven, 1 per kit) - Europe, Asia, Pacific, Australia, UK, Ireland
NGC-3062-3 HV Transformer (2 per oven, 1
per kit) - Japan
12. NGC-3020 High Voltage Capacitor (2 per oven, 1 per kit) - USA, Mexico, Brazil, S. Korea
NGC-3020-2
High Voltage Capacitor (2 per oven, 1 per kit) - Europe, Asia, Pacific, Australia, UK, Ireland, Japan 50 Hz
100207
High Voltage Capacitor (2 per oven, 1 per kit) - Japan 60 Hz
THE MICROWAVE SYSTEM
26
Page 37
F
F
A
FIGURE 20: Microwave System Parts
FIGURE
21:
Microwave System Parts
11
12
13
15
15
16
14
17
18
19
20212223
FILAMENT AND HIGH VOLTAGE TERMINALS
COOLING FINS
(ORG)
(BLK)
ANTENNA
25
26
27
28
24
27
THE MICROWAVE SYSTEM
100481 High Voltage Diode (x2)
13.
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 Relay, SWY
NGC-3030-2
North America
NGC-3030-6 Europe, Brazil Single Phase NGC-3030-9 Europe, Asia-Pacific Multiphase
Fan Relay, SBK
Mag
NGC-3030-3 NGC-3030-13
North America
Europe, Brazil Single Phase
NGC-3030-14 Indiana/North Carolina NGC-3030-15 Europe, Asia-Pacific Multiphase
Mag Fan
Relay, Additional*
15. NGC-3061-1 Filament Transformer (2 per oven, 1 per kit) - USA, S. Korea
15. Continued:
NGC-3061-2 Filament Transformer (2 per
oven, 1 per kit) - Europe, Asia, Pacific, Australia, UK, Ireland, Mexico, Brazil
NGC-3061-3
Filament Transformer (2 per oven, 1 per kit) - Japan
100083 Mag Cooling Fan
16.
101273 K3 Monitor Relay
17.
18. 101273 K2 High Voltage Relay
19. 101273 K1 Filament Relay
20. 100599 F3 Fuse - 20 Amp
21. NGC-3015 Magnetron (2 per oven, 1 per kit)
NGC-3017 Wave Guide (Rear)
22.
NGC-3016
23.
100186
24.
Wave Guide (Front) Magnetron Wire
25. NGC-3015 Magnetron (2 per oven, 1 per kit)
26. 102070 Magnetron Thermostat
NGC-1163 Insulator, Adhesive
27.
28.
100684
Screw #6 Sheet Metal
* See Comprehensive Part List, page 79.
Page 38
THE MICROWAVE SYSTEM
28
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.
High-Voltage Transformers
High-voltage transformers are a ferro-resonant design which limits fault currents and minimizes magnetron
power changes due to input voltage changes. The high-voltage transformer supplies the high voltage for the Voltage Doubler Circuit. They are controlled via the K2 relay.
WARNING: Never attempt to measure
the voltage values of the high-voltage trans-
formers with the high-voltage transformers enabled.
voltage will be present. Reference page 30
Lethal for proper measuring technique.
Filament Transformers
For better operation and reliability, the oven uses separate transformers in order to preheat the magnetron filament.
The control energizes the filament transformers for approximately five (5) seconds prior to energizing the Microwave Circuit formers. When in operation, the formers supply approximately 3.15
via the high-voltage trans-
filament trans
-
VAC at 10 amps to each magnetron filament. The filament trans­formers are controlled via the K1 relay.
High Voltage Capacitors
Capacitor rating is 0.91uF, 2500 VDC for USA, Mexico, Brazil, and S. Korea.
Capacitor rating is 1.15 uF, 2500 VDC for Europe, Asia, Pacific, Australia, UK, Ireland, and Japan 50 Hz.
Capacitor rating is 0.85 uF, 2500 VDC for Japan 60 Hz.
High Voltage Diodes
Rated at 16 kVDC.
Monitor Relay (K3)
The monitor relay, K3, acts as a failsafe device in the Voltage Doubler Circuit. In its normal un-ener-
position, the monitor relay shorts L1 and L2.
gized If the K2 relay energizes the high-voltage trans­formers fuse
while the K3 relay is un-energized, the F3
will blow.
Magnetron Thermostats
The magnetron thermostats are open-on-rise ther­mostats. These thermostats are designed to open at 212ºF (100ºC), which triggers an F5 fault.
NOTE: Both magnetron thermostats are wired
in series. If one opens, the control will
switch off both magnetrons until the thermostats close. The thermostats are self-resetting.
Magnetron Cooling Fan
The magnetron cooling fan supplies cooling air for both magnetrons. The fan operates at 208 or 240 (USA) / 230 (Intl) / 200 (Japan) / 220 (Latin America) VAC and is controlled via the K7 relay (see Item 14 on Figure 20).
F3 Fuse
The F3 fuse is a 20-amp, class CC fuse designed to blow in case of an over-current scenario, such as a high-voltage transformer or capacitor failure. The fuse also blows if the Monitor Circuit trips
the
failsafe.
If the oven does not have this relay installed, it is required that you order the relay kit through Customer Service. See page 27, item 14 for part numbers. If you are unsure which kit to order, determine the software type before contacting Customer Service.
Page 39
FIGURE 22: 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 will display the word TEST, followed by the software type (for example,
V2SWY, or TRNADO).
WAVE GUIDE COVER REPLACEMENT
The wave guide covers keep moisture and debris out of the wave guides. If contamination gets into the wave guides, the life of the magnetrons may be shortened. Be careful to not allow debris to enter the wave guides when replacing the covers.
To remove the wave guide covers, reference Figure 22 and follow the steps below:
1. Locate the fourteen (14) #8 sheet metal screws securing the broken wave guide cover. If the screw heads are dirty, it will be necessary to clean the heads thoroughly.
CAUTION: Do not strip the screw heads.
2. Remove the fourteen (14) #8 screws. The cover should
come loose with gentle pressure.
o
x
DO NOT remove the two right and left-most
screws (Item 30). These screws secure the wave guides
to the oven floor. Only remove them if the
wave guide is also being serviced.
3.
Remove the old wave guide cover and discard, unless otherwise specified.
NOTE
:
It may be necessary to gently pry the wave guide covers to remove them from the oven floor as they are sealed with RTV.
29
31
30
32
33
34
35
36
37
29
THE MICROWAVE SYSTEM
Page 40
30
THE MICROWAVE SYSTEM
Using acetone, clean the oven floor where the
4. 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.
Remove the two (2) right and left-most screws
4. (Item 30) that secure the wave guide to the oven floor.
The wave guide should now be loose enough to
5. easily slide out from the right side of the oven.
NOTE: It is important to use the correct high
temperature RTV as supplied by TurboChef.
Place the new wave guide cover in place. Secure
6. with the fourteen
.
29
Wait 15 minutes for RTV to cure.
7.
(14) screws provided with Item
8. Warm oven to set temperature and re-check the tightness of screws. Tighten if necessary.
WARNING: Inside of oven and IR element
are HOT! Use extreme caution during step 8.
WAVE GUIDE/WAVE GUIDE COVER PARTS
Figure 22
29. NGC-3036 Kit, Wave Guide Cover (Includes
Item 31 and sealant)
30. 101666 Screws, #8-32 x 1/2, Cap
101701
31.
NGC-1047 Support, Frame
32.
Screws, #8, SST
33. 102809 Screws, #8-32 x 3/8” CSK (100º)
34. NGC-3017 Assy, Wave Guide, Rear
35. NGC-3015 Magnetron, Rear
36. NGC-3015 Magnetron, Front
NGC-3016 Assy, Wave Guide, Front
37.
NOTE: Be careful to not damage the insulation
when removing the wave guide.
Install the new wave guide using the mounting
6. screws provided with the kit (Item 34 if rear wave guide, Item 37 if front).
CAUTION: Do not pinch insulation between
the wave guide and oven bottom.
Reinstall the wave guide cover.
7.
Reinstall the side panel and apply power to the
8. oven.
HIGH VOLTAGE AND FILAMENT TRANSFORMER REPLACEMENT
Wiring the High-Voltage Transformers
The proper reinstallation of the high-voltage and fil­ament transformers is critical. Upon removing a high-voltage transformer, make sure to note where each wire was installed. Refer to the oven schemat­ics (pages 55-63) detailing the proper wiring. Specifically, T1 and T2 are located in the top-right corner of the schematics.
WAVE GUIDE REPLACEMENT
1. Remove the wave guide cover. See WAVE GUIDE
COVER
Remove the right side panel and frame support
2.
REPLACEMENT on page 29.
(Item 32).
3. If replacing the front wave guide, use the NGC­3016 kit. If replacing the rear wave guide, use the NGC-3017 kit.
As shown in the schematics, transformers are
º
180
installed mirror opposite and wired phase. It is age transformers
essential for longevity that the high-volt-
º
remain
180
out-of-phase. This can
out-of-
be checked by placing a volt meter across terminals
T1-1 and T2-1.
With the Microwave System energized, the volt meter will read
the incoming voltage (different readings for
different countries). If the meter reads 0 VAC, the
Page 41
high-voltage transformers are most likely wired
in­phase. As a last check, energize the Microwave System and ver
ify 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:
o
NORTH AMERICA: 208 VAC between 1 & 2 and
240 between 1 & 3.
o
LATIN AMERICA: 220 VAC
o
JAPAN
: 200 VAC
o
INTERNATIONAL: 230 VAC
NOTE: The terminals with the orange dot or
the orange wire always go to terminal
3 on USA
models.
Wiring the Filament Transformers
The installation of filament transformers is straightforward. Filament transformers are wired in-phase and in-line. Refer to the schematics on pages 55-63, detailing
the proper wiring. Specifically, FT1 and FT2 are located in the middle-far right edge of the schematics.
To verify correct wiring (North America), meas
-
ure the voltages
between terminals 1 & 2 and 1 &3
on
FT1 and FT2. The voltages must be 208 and
240 VAC
respectively.
NOTE: The terminals with the orange dot or the
orange wire always go to Terminal 3 on US models.
To verify correct wiring (International), measure the voltage between the taps on FT1 and FT2. The volt­age must be 220 VAC (Latin America), 200 VAC (Japan), or 230 VAC (International).
MEASURING RF LEAKAGE FOR MICROWAVE SAFETY
An RF (microwave) leakage test must be performed at the conclusion of the following service tasks:
o
Door removal, replacement and/or adjustment
o
Wave guide removal and/or replacement
o
Magnetron removal and/or replacement
WARNING
: If the unit fails the radiation
test (leakage greater than 4 mW/cm2), the oven must be taken out of service immediately until the defect is corrected. In addition, the CDRH Regulations 21 Subpart C, 1002.20 requires that leakage readings of over 4 mW/cm2must be reported to the manufacturer.
Procedure for Measuring RF Leakage
1. Place the oven in WARM UP and allow it to warm
up to the set temperature (CCSP). This should take approximately 13 minutes if the oven is starting out cold.
2. Once the oven has warmed up, place the oven
into TEST MODE (see page 14). Place a water load into the cook cavity. Water load must con
­form to the following specification: a.
Volume: 275ml ± 15ml b. Temperature: 68 ± 9ºF (20 ± 5ºC) c. Vessel: Low form, 600 ml beaker with an
inside diameter of approximately 3.35” (85
mm) and made of Pyrex or glass ceramic.
3.
Position the microwave survey meter as shown in Figure 23.
4. Press and hold the MGTRON soft key to energize the Microwave System.
FIGURE 23: Microwave Survey Meter Placement
31
THE MICROWAVE SYSTEM
Page 42
32
ANTENNA
FFA
FILAMENT AND HIGH VOLTAGE TERMINALS
FIGURE
24:
High Voltage Diode
FIGURE 25: Magnetron
THE MICROWAVE SYSTEM
While holding the MGTRON soft key, move the sur-
5. 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 the oven door opened to the point just before the primary and secondary switches disengage. Record the highest leakage.
To hold the oven door open for this
:
TIP
test, back out the top center screw around the perimeter of the oven door. Continue backing this screw out until the primary and secondary interlock switches disengage. As this point, tighten the screw until both switches re-engage.
Using the same procedure, measure the leakage
7. around the oven’s entire exterior surface. Record the highest leakage.
HOW TO TEST MICROWAVE COMPONENTS
Testing the High-Voltage Diode
The high-voltage diode (Figure 24) is assembled by connecting several 1000-1500 diodes in a series to bility. In the circuit,
increase the reverse voltage capa­the high-voltage diode conducts
volt semiconductor
to prevent the filament voltage from becoming posi­tive, thus as the high-voltage winding of the trans-
former goes charged
to 2400 VPK, the high-voltage capacitor is
to 2400 volts. When the high-voltage wind­ing starts to go toward negative, the high-voltage diode becomes non-conducting with the charged high-volt age capacitor in series with the high-voltage winding. When the transformer gets to its negative peak of
-2400 VPK, the voltage applied to the filament is negative 4500 volts.
WARNING
: Never attempt to measure high
voltage directly.
How to Check a Diode
1. Disconnect the oven from the power source.
2. Fully discharge the capacitors.
Connect the voltage meter in series with the diode.
3.
4. Using a multimeter set to DC voltage, connect
one meter lead to one side of a 9-volt battery and the other lead to one side of the diode.
Connect the other side of the 9-volt battery to
5.
the other side of the diode. DC voltage should only be present on the meter in one direction.
Switch the meter leads on the diode, which will
6.
cause the opposite reading to be visible. Depending on the voltage of the battery, voltage between 5-7 VDC should be present in only one direction and 0-0.1 VDC in the other direction.
-
Page 43
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,
0.972–1.188
W
3, Ground, 57.52–70.30
W
NGC-3062-3 200 VAC, 50/60 Hz, 1 & 2,
0.784–0.958
W
3, Ground, 55.75–68.13
W
FILAMENT TRANSFORMERS PRIMARY VOLTAGE, FREQ, TAPS,
AND RESISTANCE
SECONDARY TAPS AND RESISTANCE
NGC-3061-1 208 VAC, 60 Hz, 1 & 2,
17.49–21.37
W
240 VAC, 60 Hz, 1 & 3,
20.61–25.19
W
4, 5, very low resistance - if read­ing is open, transformer has failed.
NGC-3061-2 230 VAC, 50 Hz, 1 & 2,
18.99–23.21
W
3, 4, very low resistance - if read­ing is open, transformer has failed.
NGC-3061-3 200 VAC, 50/60 Hz, 1 & 2,
15.70–19.18
W
3, 4, very low resistance - if read­ing is open, transformer has failed.
HIGH VOLTAGE AND FILAMENT TRANSFORMER RESISTANCE TABLE
How to Check a Capacitor
1.
Disconnect the oven from the power source.
2. Fully discharge the capacitor.
3.
Isolate the capacitor from the circuit.
4.
Connect the ohmmeter between the capacitor terminals. The ohmmeter should momentarily indicate a low impedance and then slowly return to infinite resistance.
5.
Reverse the ohmmeter leads and repeat Step 4.
6. Check each terminal to case. Infinite resistance (open) should be indicated.
How to Check a Magnetron for Open/Shorted Filament
1. Disconnect the AC power source and discharge the high-voltage capacitors.
2. Isolate the magnetron from the circuit by removing the wires from the F and FA terminals. Figure 25.
3.
An ohmmeter connected between the filament terminals (F, FA) should indicate a reading of less than 1 ohm.
Figure 25.
4. A continuity check between either filament terminal and the magnetron chassis should
indi
-
cate an infinite resistance (open).
How to Check a High-Voltage or Filament Transformer
1. Disconnect the AC power source and discharge the high-voltage capacitors.
2.
Disconnect all the wires in question going to the transformer.
3. Use an ohmmeter to check the impedance of the primary and secondary winding. Refer to the high-voltage and filament transformer table below to determine if the transformer is OK. If the resistance is different then the table indicates, replace the transformer.
Page 44
THE MICROWAVE SYSTEM
34
MICROWAVE SYSTEM TROUBLESHOOTING
ISSUE RESOLUTION
Magnetron Troubleshooting Guidelines
F3: Magnetron Current Low
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.
The capacitors in this oven utilize a device that will automatically discharge the voltage.
WARNING
: Always verify the capacitor is discharged before servicing the
components.
Discharging can be done by unplugging the oven and then short across the red wire on each capacitor to the chassis with an insulated screwdriver.
1. Remove the top and right side covers.
2. Enter the test mode. (From the OVEN OFF mode, simultaneously press
BACK and ENTER keys, enter the code 9-4-2-8 and press ENTER).
3. Place amp meter on the brown (US ovens) or blue (International ovens) "ct" wire for amp reading. Wire is coming from the primary side of the HV transformers and looping through the black plastic current trans­former on the main control board and back to the HV transformers.
4. Press and
hold the MGTRON soft key on the keypad to energize the
magnetrons. Observe the amperage on the meter. Typical readings are:
5.
o
NORTH
o
INTERNATIONAL: 12-15 amps at 230VAC
o
BRAZIL: 12-15 amps at 220VAC
o
JAPAN: 16-17 amps at 200VAC
AMERICA: 12-14 amps at 240VAC/13-16 amps at 208VAC.
If proper amperage appears but takes longer than 2 complete seconds to appear, call TurboChef Tech support for assistance. If amperage is present but lower than typical readings, perform the troubleshooting steps in the previous pages of this section. If amperage is not present, check the condi­tion of the F3 fuse. Fuse must be a 20-amp fuse and is the right-most of the three fuses on the bottom of the oven.
If fuse has failed, replace the fuse after troubleshooting (previous pages of this section). If fuse has not failed, check the incoming (primary side) voltage to the high-voltage transformers.
Page 45
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.
NORTH
AMERICA
- Place the AC voltmeter across terminals 1+3. Press and
hold the MGTRON soft key. Voltage present should be 240 +/- 10%.
INTERNATIONAL - Place the AC voltmeter across terminals 1+2. Press and
hold the
MGTRON
soft key. Voltage present should be 230 +/- 10%.
JAPAN
- Place the AC voltmeter across terminals 1+2. Press and hold the
MGTRON
soft key. Voltage present should be 200 +/- 10%.
If voltage is present on both high-voltage transformers, perform the compo­nent troubleshooting steps in the previous pages of this section.
If voltage is not present, check for 24VDC control voltage from I/O board to the K2 relay. Access voltage reading from the "QC3" connection located at the bottom right side of the wiring harness. When the
MGTRON
key is pressed and held, 24VDC should be present on pins 1+5. Reference the schematics (pages 55-63) for physical location of pins on QC3 connector.
If voltage is present at the connector, inspect the K2 relay and the wiring. Unplug the oven and replace relay if necessary.
If voltage is not present at connector, check wiring connections at the con­trol board on the 40-pin connector. Also check the wiring between the two connectors. Unplug the oven and replace control board if necessary.
F3 Fuse Blown Replace the F3 fuse and determine why F3 fuse opened.
Generally, the F3 fuse opens for one of three reasons:
a.
HV transformer primary winding shorted: Unplug the oven and replace the HV transformer. Follow troubleshooting on page 33 to determine cause of failure.
b. HV capacitor shorted or failing: follow troubleshooting on page 33.
If necessary, unplug the oven and replace the HV capacitor.
NOTE: A failing HV capacitor will typically cause the HV
transformer that supplies power to the failing capacitor to draw excessive
current, which may open the F3 fuse.
THE MICROWAVE SYSTEM
35
Page 46
36
THE MICROWAVE SYSTEM
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. See page 25 as well as Chapter 6 (Oven Door) for troubleshooting
(see F4 MONITOR).
Mag 1 or Mag 2 Not Working or Food Not Cooking Evenly
Magnetron Circuit is Drawing Excessive Current.
Determine which magnetron is not oscillating by placing a clamp-on amp meter on the primary winding of each high-voltage transformer and energizing the Microwave System.
1. Amp = 0. High-voltage transformer not energizing.
Check K2 relay and wiring going to suspect high-voltage transformer.
o
K2 relay or wiring bad: Replace K2 relay and/or repair wiring.
o
K2 relay OK: Check high-voltage transformer. See the table on page 33 for resistance values. Unplug the oven and replace high-voltage transformer if defective.
2. Amps = 3 amps on high-voltage transformer. Magnetron is not oscillating, but high-voltage transformer is energizing.
o
Diodes failed: Unplug the oven and replace the diodes.
o
Diodes OK: Unplug the oven and replace the defective magnetron.
Measure resistance of high-voltage capacitor(s).
Resistance should start out in the megohm range and continue to rise as the probes are held on the capacitor. If the resistance is low (less
than the megohm range), unplug the oven and replace the capacitor. Visually check the associated high-voltage transformer primary winding for signs of over­heating (winding is very dark and discolored). If transformer primary winding
looks bad, replace it.
High Voltage and/or Filament Transformer(s) Faulty
Wave Guide Covers Broken
Determine if the high-voltage or filament transformer(s) is defective.
Use an ohm meter to measure the primary and secondary winding resistances. Refer to the high-voltage and filament transformer table
on page 33 to determine if the transformer is OK. If the resistance is different then the table indicates, ensure the oven is unplugged and replace the transformer.
Replace the wave guide covers.
Follow the instructions on pages 29-30 and Figure 22 on page 29. Inspect the wave guides for debris. If debris is pres­ent, replace the wave guide and the magnetron.
Page 47
The Oven Door
Page 48
The proper fit and adjustment of the oven door
FIGURE
26:
Oven Door Removal & Parts
38
39
40
41
2
42
43
44
45
46
THE OVEN DOOR
37
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 actuate the interlock switches.
Locate and remove the #38 screws (3 each side).
3.
Remove the plastic caps.
4.
The 10x32 screws do not need to be
:
NOTE
removed, as they are used for adjusting the door.
5. Remove the oven door by pulling the door away from the oven. It will slide off the hinges.
OVEN DOOR PARTS
REMOVING/REINSTALLING THE OVEN DOOR
To remove or reinstall the oven door, follow the steps below. Refer to Figure 26.
Ensure the oven has cooled.
1.
Open the oven door to its full open position.
2. Locate the two (2) thru holes in the bottom of the left and right hinge assemblies. Insert a screw or nail into the holes to keep the hinges open while removing the oven door.
Figure 26
38. 102809 #8-32 x 3/8” PFH CSK
NGC-3067
39.
Assy, Oven Door (Traditional)
NGC-3067-2 Assy, Oven Door (SBK) NGC-1061
40.
102804 Right Hinge
41.
102805
42.
101381 #10-32 x 1/2” Hex SS
43.
102140 #10 Flat
44.
102350 #10 Split Lock
45.
101191 Cap, Hole
46.
Hinge Block
Left Hinge
Page 49
THE OVEN DOOR
38
ADJUSTING THE OVEN DOOR
WARNING: Procedure should be done while
oven is hot. As a result, exercise extreme caution when adjusting the door.
Open the oven door and remove the plastic caps.
1.
2. Ensure that the 3 screws on each side of the door are tight.
3. Remove the control panel, two 11/32” nuts and wiring from I/O board.
Loosen the hex screws and close the door.
4.
5. Tap the center of the door to allow door and frame to align properly.
Tighten screws and reinstall the control panel.
6.
7. Plug in the oven and perform a MW leak test (see page 31 for instructions).
WARNING
: Check for excessive Microwave
Leakage after adjusting the Cook Door. See
page 31 for proper procedure.
PREPARING THE OVEN FOR SWITCH ADJUSTMENT
Disconnect the power to the oven and remove
1. left and right side covers.
2. Ensure oven door assembly is properly adjusted and all mounting screws are secured (see previous section on adjusting the oven door).
Ensure the left and right hinge assemblies are
3. properly mounted to the oven flange.
Oven Burn-In Procedure
If the oven is already at its set temperature at the time of service, skip this procedure.
1. Apply power to oven.
Simultaneously press the BACK and ENTER keys.
2.
Critical Adjustment Notes
The doors in Figures 27 and 28 are adjusted
1. incorrectly. Note how the bottom (Figure 27) and top (Figure 28) of the door can be
rotated
away from the Flange.
CORRECTIVE ACTION: Loosen the hex screws
and push the door towards the flange and re­tighten. The hinge springs will naturally pull the door to the flange. Tapping the center ensures a level surface and a proper seal, as opposed to pushing one end (which could cause the opposite end to lift away from the flange).
Pull the door open only of the handle.
on its own.
The door must completely snap shut
If the door sticks and force is needed
0.25” (6 mm) and let go
to finish closing it, it is out of adjustment.
NOTE: See Figure 26, page 37, Items 43-46 for illus-
tration of hardware.
Enter 8-6-4-8 (
3.
Press BURN-IN. The oven will warm up and
4.
U-N-I-T), then press ENTER.
idle for 25 minutes.
ADJUSTING THE PRIMARY AND SECONDARY INTERLOCK SWITCHES - OLD SWITCH SETUP
The old switch assembly is identifiable by the pri mary and secondary interlock switches being located on the left side of the oven. Also, the serial number of the oven will follow the formatting below (X = variable digit/letter):
NGC-XXXXX (North America) NGCXX-XXXXX (International)
To properly adjust the switches, follow the proce­dure below:
1. Ensure the oven door is adjusted properly. Refer to the previous section on adjusting the oven door.
-
2. Unplug the oven.
Page 50
FIGURE
27: Mis-adjusted Oven Door
FIGURE
28:
Mis-adjusted Oven Door
3. Open and close the door several times to ensure it 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. Carefully bend to clear opening.
4. While the oven door is closed, verify that the bottom of the toggle is 85ºto the bottom of the frame (Figure 29). If not, use items 75 and 76 (page 42) to achieve proper angle.
5. Temporarily adjust the primary and secondary interlock switches by
loosening the #8-32 screw
(Item 49) and the two (2)
#4-40 screws (Item
50). Figure 29.
6.
Rotate the interlock switches (Item 51) until the gap between the switch paddles and the switch body is 0.02” (0.5mm). Figure 29.
7.
Restore power to the oven. Allow the oven to warm to its set temperature.
8. Allow the oven to remain at the set temperature for ten (10) minutes after warm up before making any final adjustments, which may be needed
because the door can move as a result of temper­ature change.
9. Securely tighten Items 49 and 50 after any final adjustments have been made.
10.
Complete the steps for measuring RF leakage found on page 31. Make further adjustments if necessary.
NOTE
: High-temperature grease (Item 62) must be present between the torsion spring and the switch bracket
assembly to ensure smooth action.
PRIMARY AND SECONDARY INTERLOCK SWITCH ADJUSTMENTS AND PARTS
Figure 29
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 30 for assembly detail.
THE OVEN DOOR
39
Page 51
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. 101119 Pin, Clevis, ø3/16 x 1” Lg
58.
100059
Bearings, Bronze, 3/16ID x 5/16OD x 1/4” Lg
59.
101557 Screw, #4-40 x 1.25” Lg,
PPHD, CRES
60.
102921 Screw, #8-32 x 3/8”, Internal
Tooth Sems, PPHD, SS
61. NGC-1126 Plate, Door Switch
62. NGC-3006 Grease, USDA H-1, Food Grade
63. 101296 Ring, E-clip
Assembly Notes
1.
Ring, e-clip (Item 63) is supplied with Item 56.
2.
Spring and bracket must be lubricated with high­temperature pure FM grease (Item 62).
3. Assembly must be hand-tightened prior to any final adjustment.
ADJUSTING THE MONITOR SWITCH - OLD SETUP
The old switch assembly is identifiable by the
moni
-
tor switch being located on the right
hinge assembly. Also, the serial number of the oven will follow this formatting (X = variable digit/letter):
NGC-XXXXX (North America) NGCXX-XXXXX (International)
To adjust the switch, follow the steps below.
1. Ensure the oven door is adjusted. Refer to ADJUST-
ING THE COOK DOOR on page 38.
2. Turn on oven and bring it to the set temperature.
WARNING
: Oven surfaces are HOT! Use
extreme caution when making adjustments.
3.
Open and close the oven door several times to ensure the door closes smoothly and the door actuator (Item 47) clears the slot in the flange. Reference Figure 29.
4. Disconnect oven from power source.
5.
To adjust the monitor safety switch (Figure 31)
, loosen the #8-32 screw and the two (2) #4-40 screws
(Items 68 and 69) securing the switch.
6.
Rotate the monitor safety switch (Item 65) until the gap between the switch paddle and the switch body is 0.02” (0.5 mm).
7.
Open and close the oven door several times to make certain the adjustment is correct.
8.
Tighten all screws.
9. Reconnect oven to power source.
10.
Allow oven to sit at the set temperature for 10 minutes and confirm all adjustments.
MONITOR SAFETY SWITCH PARTS
Figure 31, next page
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”
SWITCH GAP = 0.020”
4950
51
52
TOGGLE SHOULD BE LESS THAN
OR EQUAL TO 85ºDOWN
APPLY
HI-TEMP
GREASE
TO AREA
48
47
THE OVEN DOOR
40
FIGURE
29: Correct Primary and Secondary Interlock
Adjustment and Parts - Old Switch Setup
Page 52
FIGURE 31: Monitor Switch Adjustment and Assembly -
Old Switch Setup
FIGURE 30: 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
REF
x2
THE OVEN DOOR
41
Page 53
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)
NGCXXD(5 thru 9)XXXX (International)
1. When the oven completes BURN IN (if required, see page 38), closely examine the latch toggle position using the door switch gauge (Item 75).
2. If the toggle is past the top of the window, you must correct the toggle's position by installing an 0.030” Shim (Item 76). See Figure 32.
3.
Verify position of toggle by opening and closing the oven door.
4. With the toggle correctly adjusted and the door closed, adjust the primary switch by loosening the two #4-40 screws and #8-32 screw.
5.
Using a 0.030” (0.762 mm) spacer as a template (included with Item 74), adjust switch lever position to a maximum allowable distance of
0.030” (0.762 mm).
6.
Open and close the door several times to verify the switch gap.
PRIMARY SWITCH ADJUSTMENT AND PARTS
Figure 32
70.
102809
Screw, #8-32 x 3/8” 100Þ CSK
71.
102921 Screw, #8-32 x 3/8”
72.
101555
Screw, #4-40 x 3/4”
73.
102012 Interlock Switch
74.
NGC-3033 Assy, Door Switch*
75. Adjustment Tools (included with Item 74) NGC-1215
Door Switch Gauge NGC-1340 Shim Tool, 0.060” NGC-1344 Shim Tool, 0.030”
76. NGC-1169-1 Shim, 0.030”
NGC-1169-2
Shim, 0.045”
*Refer to FSB-10057 (included with Item 74) for instructions on converting NGC-3033 kit into the new switch assembly.
Assembly Notes
1. Tip of toggle must be within window notch.
Optimal is centered or below centered when the oven is hot.
2. Tip of toggle adjustment notch. Toggle must be
within notch when oven is hot.
3.
If toggle “hangs” in position as shown, decrease number of shims.
75
2
1
71
72
73
74
APPLY
HI-TEMP
GREASE
TO AREA
70
FIGURE
32:
Primary Switch Adjustment and Parts ­New Switch Setup
76
3
THE OVEN DOOR
42
Page 54
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.
NOTE: This will also adjust the monitor switch.
4. Open and close the door several times to verify the switch gap.
NOTE
: The absolute maximum gap should not
exceed 0.060” (1.524 mm).
5. Re-connect the 40-Pin connector to the I/O board and apply power to the unit.
6.
Simultaneously press BACK and ENTER keys.
7.
Enter 9-4-2-8, then press
ENTER.
8.
Open the oven door and verify P, S, and M
disengage in sequence.
9.
Close the oven door and verify the M, S, and P engage in sequence.
10.Energize the Microwave System and open the door.
11.Verify the W indicator is backlit, meaning the oven microwave system turns OFF when the door is open.
SECONDARY AND MONITOR SAFETY SWITCH PARTS
Figure 33 and 34
77.
102804 Hinge, Right
78.
102012
Switch, Limit, Micro (x2)
79. NGC-1126 Plate, Door Switch
80. 101914 Standoff, #8-32 F/F x 1”, 5/16”
DIA
81.
101915 Standoff, #8-32 M/F x 5/16”,
1/4” DIA (attached to outside of Item 80.)
82. 102921 Screw, #8-32 x 3/8”
83. 101558 Screw, 4-40 x 1.125”
FIGURE 33: Secondary/Monitor Adjustment and Parts -
New Switch Setup
79
80
82
x2
83
x2
78
81
82
77
80
82
81
FIGURE 34: Secondary/Monitor Switch Assembly -
New Switch Setup
THE OVEN DOOR
43
Page 55
PRECAUTIONS FOR SAFE USE TO AVOID POSS
IBLE
PRECAUTIONS A AFIN D'EVITER UNE EXPOSITION
EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
1. S'il y a
un objet qui obstru
e la porte.
2. Door that does not close
properly.
d'etancheite sont brises.
DANGEREUSE AUX MICRO-ONDES.
Ne tentez pas de f
air fonctionner ce
t four:
2. Si la porte ne se ferme pas correctement.
3. Damaged Door, Hinge, Latch, or Sea
ling Surface.
3. Si la porte, le go
nd, la clenche ou la surface
'
1. Object caught in D
oor.
DO NOT attempt to operate this oven with: DO NOT attempt to operate this oven with:
3. Si la porte,
le gond, la clen
che ou la surface
3. Damaged Door, Hinge, Latch, or Sealing Surface.
2. Si la porte ne se ferme pa
s correctement.
Ne tentez pas de fair fonctionne
r cet four:
DANGEREUSE AUX MICRO-ONDES.
2. Door that does not close properly.
1. S'il y a un
objet qui obstrue la porte.
EXPOSURE TO EXCES
SIVE MICROWAV
E ENERGY
PRECAUTIONS A A
FIN D'EVITER
UNE EXPOSITION
PRECAUTIONS FO
R SAFE USE TO AVOID POSSIBLE
1. Object caught in Door.
d'etancheite sont
brises.
800-908-8726
CUSTOMER SERVICE TOLL FR
EE NUMBER
OVEN DOOR ASSEMBLY
See Figure 35 above. For mis-adjustments, see Figures 27 and 28 on page 39.
OVEN DOOR PARTS
Figure 35
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, Door Latch
90. 102945 Bolt, 1/4”-20 x 1.00
91. NGC-1138 Label, Precaution
92. 102809 #8-32 x 3/8” CSK 100°
93.
NGC-1165 Label, Caution Empty
94.
NGC-1125-1
Door Insulation 1
NGC-1125-2
Door Insulation 2
95. NGC-1127 Channel, Door Handle
96. 102748 Screw, #8-32 x 3/8”, Torx Security
97.
101688
Screw, #8 x 1/2” PTH
98. 102698 Tape, Aluminum
99. NGC-1155 Name Plate, TurboChef
100.
101293 Nut, Push, 1/8”
101.
NGC-1170 Label, Service
* Includes items 85 - 101.
FIGURE
35:
Oven Door Assembly
85
84
86
x2
88
89 96
x2
87
95
x2
5
93
91
x6
94
98
90
92
AR
2
97
x17
5
99
101
x2
100
1
6
THE OVEN DOOR
44
Page 56
SHUNT CAVITY/PLATE
Tightening Sequence
SHUNT ASS Y/DOOR COVER
Tightening Sequence
5
84 1 59
11
10 623 7
12
14
15
13
16
14
8
1
15
9
10
16623717
11
12
13
4
FIGURE 36: Oven Door Assembly: Tightening Specs
Critical Adjustment Notes (Figure 35)
1.
Orient with the gasket seam at the bottom of the door assembly. Gasket
should be straight
with no twists or pinching.
2.
Attach insulation (Item 94) to the inside of the door cover using aluminum tape (Item 98).
o
x
DO
NOT
block openings at bottom.
3. Item 94 (insulation) not shown for clarity.
4.
Door should be flat without twisting or warpage after tightening all hardware.
5. Refer to the chart to the right for torque specs. Refer to Figure 36, above, for tightening sequences.
6.
Attach Item 99 with adhesive backing using the two locating holes on the front cover.
PART TORQUE
VALUE
90. Bolt, 1/4”-20 x 1.00 80 In-Lbs (9.04 Nm)
85. Nut, Keps #8-32
(Assembled by factory)
21 In-Lbs (2.37 Nm)
96.
Screw, 8-32 x 3/8” Torx Security
21 In-Lbs (2.37 Nm)
97. Screw, 8 x 1/2” PTH
21 In-Lbs (2.37 Nm)
SCREW TORQUE CHART
Refer to Figures 35, 36.
THE OVEN DOOR
45
Page 57
46
THE OVEN DOOR
INTERLOCK SWITCH TROUBLESHOOTING
ISSUE RESOLUTION
“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). SM - Primary interlock is open (new switch setup).
P
Verify action of the latch assembly and oven door. When the door closes, the actuator should freely clear the slot on the flange. When
it
strikes the toggle latch, it should rotate smoothly to its closed position.
o
Actuator doesn’t clear slot: Bend or adjust actuator. If the actuator is worn or has yielded, replace the actuator.
o
Toggle doesn’t rotate freely or smoothly: Replace any worn parts. Clean assembly and re-lubricate all rotating parts. Be sure to grease the torsion spring (See Figure 30).
o
Actuator and toggle OK: Check adjustment and wiring on the interlocks. If adjustment is necessary, see page 38 (old setup) or page 42 (new setup) for the proper adjustment procedure.
2. PS M – Monitor switch is open (old switch setup).
S M – Secondary and/or monitor switch is open (new switch setup).
P
Verify that the door closes freely and completely.
o
Door does not close freely: Remove obstructions or readjust the oven door per the instructions on page 38.
o
Door closes properly: Readjust the monitor safety switch (old switch setup)/secondary and monitor (new switch setup) per the instructions on
page 38 (old setup) and 42 (new setup).
Page 58
The Convection Circuit
Page 59
THE CONVECTION CIRCUIT
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
BL500
OR540
BL510
K5 K4
B1B2A1
A2
SSR
HT520
WH-28
WH-30
RD-19
BR600
1
2
HX ELEMENT 3300 WATTS
13.1 OHMS
BOTTOM IR 3000 WATTS
14.4 OHMS
BOTT OM IR CONTROL
MAIN HX CONTROL
+24
C
NC
32
31
C
NC
22
21
C
NC
12
11
OT1 - HI-LIMIT
MANUAL RESET
MOTOR SPINS COUNTER-CLOCKWISE FROM BACK
RD-24
BK-25
WH-31
BK-32
GROUND (GREEN) L2
L1
FIGURE 37: Convection Circuit Block Diagram
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. Figure 37 below shows a block dia
gram of the Convection Circuit.
Main Convection Heater
The main convection heater is an open-coil style heater rated at 3300 watts at 208 VAC with a resist­ance of 13.11 Ohms. The convection heater is controlled by the K4 solid state relay.
Convection Motor
The convection motor is a brushless AC switch reluc­tance type. Its top speed is 7100 RPM at 1 HP
. The
motor is controlled by a proprietary controller.
Motor Controller (BMSC)
The motor controller is proprietary and will only operate the convection motor described above. The motor controller is controlled on command from the I/O control board and a 0-10VDC speed from the I/O control board.
-
High Limit Thermostat
The high limit thermostat is a 250 VAC, 3-pole, manual reset thermostat with a trip point of 572ºF (300ºC). The thermostat, which interrupts power to both the main convection heater and the IR element, should never operate during normal oven operation.
command
Page 60
NOTICE:
This devic
e complies with P
art 18 of the FC
C Rules
.
Oper
ation is subject to the follo
wing conditions:
1. Thi s devic
e may not cause harmful in
ter
fer
ence.
WARNING:
DHHS Feder
al Per
for
mance Standard 21 CFR 1030.
10.
To
provide continued protection against electrical
Pour assur
er pr
otec
tion con
tinue con
tre le cho
c
shock,
connect to properly gr
ounded outlets only.
AVE
RTI
SSEMENT:
correc
tem
ent mise a terre.
electr
ique branchez seulement a un
e prise
undesired opera
tion.
2.
This devic
e must acc
ept any in
ter
fer ence
received
, i ncluding in
terfer
ence tha
t may c
ause
Thi
s Ov
en complies with applic
able sections of
CONVECTION CIRCUIT/BLOWER MOTOR PARTS
Figure 38
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, Blower Seal
109. 101688 Screw, #8 x 1/2” PTH
110. NGC-3011 Heater, Convection
111. 100443 Controller, Motor
112. NGC-3005 Relay, K4/K5 SSR
113.
100592 Fuses, F1 and F2 (12 Amp)
114.
102075
High-Limit Thermostat
115. NGC-1043 Gasket, Convection Heater
* If entire motor is needed, order NGC-1025.
If only hardware (e.g., screws, nuts) or seal is needed, call 800.90
TURBO or +1 214-379-6000.
** Not shown for clarity.
Assembly Notes
1. Cut insulation covering heater as shown.
FIGURE 38: Convection Circuit Assembly and Parts/Item 105 (Blower Motor) Detail
*
**
111
x6
113
112
102
103
104
105
109
110
114
x8
x10
1
1
THE CONVECTION CIRCUIT
48
106
108
107
* *
Page 61
CONVECTION CIRCUIT TROUBLESHOOTING
ISSUE RESOLUTION
THE CONVECTION CIRCUIT
49
F8: Heat Low
Oven Not Warming Up
F2: Cook Temperature Low
1. Check that the blower motor is moving air.
o
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.)
o
Blower motor is moving air: Verify high-limit thermostat is not tripped. See the high-limit thermostat information below.
High-Limit Thermostat:
o
Thermostat tripped: Reset and determine why the thermostat tripped (See Figure 38, Item 114). Look for excess build up of grease inside the oven or any other source for a fire.
o
Thermostat is not tripped: Check main convection heater.
Convection heater is defective: Unplug oven and replace the
1. convection heater and verify the K4 SSR (Figure 37) is not shorted across output. Convection heater OK: Check the K4 SSR.
2.
o
K4 defective: Unplug oven and replace.
o
K4 OK: Unplug oven and verify all wiring. Verify P1 voltage on I/O board is 5.0VDC (+/- 0.02) - see Figure 40, page 54.
Verify Cook Door Operation.
1.
o
“Cook Door Open” Message: Verify which switch is not actuating and readjust. See pages 38-43.
o
Cook Door OK: Verify high-limit thermostat is not tripped. See the high-limit thermostat below.
High-Limit Thermostat:
o
Thermostat tripped: Reset and determine why the thermostat tripped (See Figure 38, Item 114). Look for excess build up of grease inside the oven or any other source for a fire.
o
Thermostat is not tripped: Check main convection heater.
1. Convection heater is defective: Unplug oven and replace the convection heater and verify the K4 SSR (Figure 37) is not shorted across output.
2. Convection heater OK: Check the K4 SSR.
o
K4 defective: Unplug oven and replace.
o
K4 OK: Unplug oven and verify all wiring. Verify P1 voltage on I/O board is 5.0VDC (+/- 0.02) - see Figure 40, page 54.
Page 62
50
THE CONVECTION CIRCUIT
ISSUE RESOLUTION
F1: Blower Running Status Bad
1. Verify motor spins freely.
o
Motor seized:
o
Motor spins freely: Verify motor windings (see table below).
Unplug oven and correct obstruction or replace motor.
2. Verify motor windings are OK. Measure the resistance between windings and chassis. Unplug oven and replace motor if resistances do not agree with the values in the table below. If motor is OK, proceed to step 3, below.
3. Determine if status indicator “A” is highlighted/backlit in TEST MODE.
o
“A” is highlighted/backlit. a. Disconnect control wiring. b. Ground OR-9 to chassis to remove backlight on “A”. c. Keeping OR-9 grounded, check terminals on the control wiring
plug for 0-10 VDC control voltage (reference drawing of QC3 plug on schematics (pages 55-63) while incrementing blower speed in TEST MODE (see BLOWER SPEED, page 15).
d. If DC voltage is present throughout all speed settings in TEST
MODE (see BLOWER SPEED, page 15), replace motor controller. If
not, check harness and/or replace I/O board.
MOTOR WINDING RESISTANCES TABLE
TO FROM
DESCRIPTION EXPECTED RESISTANCE
Black Red Winding (A-B) 2.0 – 2.6 Ohms
Black White Winding (A-C) 2.0 – 2.6 Ohms
Red White Winding (B-C) 2.0 – 2.6 Ohms
Black, White
Green Windings to Chassis Open
or Red
Page 63
IR Element and Catalytic
Converter
Page 64
IR ELEMENT AND CATALYTIC CONVERTER
51
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.
The catalytic converter scrubs the air to eliminate VOCs and grease particulates that are liberated during the cooking process. It is important to properly care for the catalyst using only TurboChef®Oven Cleaner (P/N 103180 USA, 103380 Intl) and distilled water. For more detailed information, see the catalytic converter section below.
COMPONENTS
IR Element
The IR element - a dual coil type heater - is located in the bottom of the oven cavity. The first coil is the heating coil. The second is the IR thermocouple wire. The heating coil outputs 3000 watts at 208 VAC. The heating coil’s resistance is 14.4 ohms at room temperature.
The thermocouple coil is a Type K thermocouple with a resistance of approximately 20 ohms at the splices located approximately 6 inches from the heater and 40 ohms measured at the extension wires at the I/O control board.
The IR element is controlled via the K5 solid state relay and the IR thermocouple via the I/O control board.
of the airflow, thus the grease burns and breaks
into CO
down
and H2O as it passes through the
2
catalytic converter. The catalyst will operate most efficiently at temperatures above 475ºF (246ºC).
The catalyst material is very sensitive to certain chemical compounds. Irreversible damage can occur if the catalyst is exposed to cleaning chemicals
con­taining phosphates, NaOH, silicates, Na and Potassium Salts. These chemicals are found in most commercial degreasers and cleaners; therefore, only TurboChef®Oven Cleaner should be used.
CAUTION: Clean the catalytic converter
®
with TurboChe
f
Oven Cleaner and rinse thoroughly with distilled water. Let the catalytic converter air dry before reinstalling. If TurboChef Oven Cleaner is not available, do not use a substi
®
-
tute. Use distilled water only.
IR ELEMENT AND CATALYST REMOVAL
Refer to Figure 39 and the instructions below for removing the IR element and catalytic converter.
Removing the IR Element
Unplug the oven.
1.
Disconnect the heater wires going to the EMI
2.
filter and the high-limit thermostat.
Locate where the IR element protrudes through
3.
the cook cavity walls and remove the snap rings (Item 116) using snap ring pliers. Retain snap rings (Item 116) and washers (Item 117). Figure
41.
Catalytic Converter
The catalytic converter,
a VOC type
catalyst, is locat­ed behind the inside cook cavity wall and is responsi­ble for cleaning the recirculating airflow. The catalyst functions by substantially lowering
the combustion temperature of grease entrained in the air path to approximately the same temperature
4. Locate and remove the microwave shield (Item 119) by removing the four (4) #8 x 1/2” sheet metal screws (Item 120).
Some models do not contain item 119.
:
NOTE
Squeeze the IR element together inside the cook
5. cavity and pull the IR element from the oven
.
Page 65
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.
NOTE
: It may be necessary to remove the blower motor assembly (see page 48) to get access to the top of the catalytic converter. This will allow the catalytic converter to be pushed down out of the housing. Figure 39.
4.
Remove the catalytic converter (Item 122).
5. Inspect the condition of the catalytic converter and either clean it or install a new one.
CAUTION
: Clean catalytic converter using only TurboChef cleaner (P/N 103180 USA,
103380 Intl). Use of other chemicals will
irreparably damage catalyst.
Installing a New IR Element
1. Unplug the oven.
2. Gently squeeze the new IR element together in order to get the terminals and lead wires into the cavity and through the mounting holes.
CAUTION: Do not allow the thermocouple
lead wires to kink. They are solid wire and will break.
3.
Once the IR element is installed, expand the IR element in order to reinstall the shim washers (Item 117) and snap rings (Item 116). Figure 39.
NOTE
:
Be sure that the snap rings sit in the
grooves on IR element.
4. Reconnect the IR element lead wires to the EMI filter and the high-limit thermostat.
5. Reconnect the IR thermocouple lead wires to the thermocouple extension wires – Yellow to Yellow and Red to Red.
IR ELEMENT AND CATALYTIC CONVERTER PARTS
Figure 39
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
Catalytic Converter
FIGURE 39: IR Element and Catalytic Converter Assembly
116
x4
117
118
119
120
121
122
119
118
122
IR ELEMENT AND CATALYTIC CONVERTER
52
Page 66
Schematics and Schematic
Components
Page 67
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 Schematic
SCHEMATIC PARTS
Line Voltage Components
Capacitor, High Voltage (C1) Capacitor, High Voltage (C2) Controller, Motor Diode, High Voltage (D1) Diode, High Voltage (D2) EMI Filter (P/N 100542 USA, UK, Ireland, Brazil,
Japan 1Ph)
EMI Filter (P/N 100545 Europe, Asia, Pacific,
Australia, Japan 3Ph) Fan 1, Cooling Fan, Magnetron (Fan 1) Fuse Holders, F1, F2, and F3 Fuse, F1, 12 Amp Fuse, F2, 12 Amp Fuse, F3, 20 Amp Heater, Convection Heater, IR Element Magnetron (M1) Magnetron (M2) Motor, Convection Power Supply, +24VDC (PS) Relay, K1, Filament Relay, K2, Anode Relay, K3, Monitor Relay, K4/K5, Solid State, K4/K5, Heater/IR Relay, K6, Voltage Relay, K7, Magnetron Cooling Fan Thermostat, OT2, Cooling Fan Thermostat, OT1, Heater Transformer, Filament (FT1) Transformer, Filament (FT2) Transformer, High Voltage (T1) Transformer, High Voltage (T2) Voltage Sensor Module (US ovens only)
Low Voltage Components
Display, VFD I/O Control Board
Keypad, NGC Oven Switch, Primary Interlock Switch, Secondary Interlock Switch, Monitor Safety Thermocouple, CC Thermocouple, EC Thermostat, Magnetron
Wire Harness Replacement P/Ns
Low Voltage Harness
123. 100185 Old Switch Setup
NGC-1418
New Switch Setup
Line Voltage Harness
124.
NGC-1150-1 North America NGC-1150-2 UK, Ireland, Brazil NGC-1150-3
Eu, Asia, Pacific, Au, Japan
Magnetron Wire
125.
100186 All NGC Ovens
Power Cord
126.
100187 USA 100194 NGC ED - Europe, Asia, Pacific 100195
UK, Ireland, Brazil
103187 NGC EW- Europe, Asia, Pacific 103195 Australia NGC-1383 Japan 3Ph NGC-1390 Japan 1Ph
I/O CONTROL BOARD ITEM IDENTIFICATION AND TEST POINT LOCATIONS
Figure 40 C9
Capacitor
D6
Diode
J2
40 Pin Connector for LV Harness J3 3 Pin Connector for VFD Display J4 14 Pin Connector for Keypad J5
26 Pin Connector for Display Data J6
RS-232 Connector (Unused) P1
Voltage Reference 0-5 VDC RJ11 Connector
for Smart Card Cable P3 Blower Controller Pin Configuration U15
EPROM Socket R42 Voltage Reference Adjustment (not available
on some ovens) R51
Beeper Volume Adjustment SKP1 Beeper U19
Erasable EPROM Socket T1 Magnetron Current Transformer
SCHEMATIC COMPONENTS
53
Page 68
54
FIGURE 40: I/O Control Board and Test Point Locations
I/O BOARD SCHEMATIC
Page 69
K6-B (VOLTS MOD OUT) 29 29
P4
P6
J6
J4
IR
CC
40
39
THERMOCOUPLES EC
37
36
38
BMSC (4) (C OM RTN) 32
34
33
35
BMSC (3) (ENABLE OUT) 31
K4 (B-) (CONV OUT) 30
C(+)
IR
A(-)
C(+)
CC
40
39
A(-)
C(+)
EC
37
36
38
32
A(-)
34
33
35
31
30
17
1-9
23
26 27 28
K5 (-B) BOTTOM IR OUT
K1-B (MAG FIL OUT)
CT
BMSC 0-10V OUT
BMSC COMM (2)
24 25
20
-24V PS IN
MAG
-24V S&M RTN
-24 V P I NTER RTN
22
21
J6
19
18
11
14
16
15
+24V PS IN
ASPEN
MAG THERMO SW IN
13
12
VOL T MO DUAL IN
8
BMSC SEL
P5
9BMSC (9) (STATUS OK)
SECONDARY (NO) INTER IN
HX STATUS IN 10
5
MONITOR (NO) INTER IN 6
PRIMARY (NO) INTER IN 7
17
23
26 27 28
24 25
20
22
21
19
18
F
11
14
16
15
13
12
8 9
10
5 6 7
2K2-B (MAG OUT) 3 4
1
2 3 4
1
F
FA
FAN
MAG
1
3
4
5
2
5
4
2
3
1
A
B
B
A
B
A
B
A
L
L2 G
EMI
FILTER
INPUT
L
L2
7
1
4
-V SUPPLY
+V
POWER
24VDC
L
N
K1 FILAMENT
K2 ANODE
K3 MONITOR
K6 VOLTS
6
3
9
8
FA N1 (COOL ING)
NO
C
OT2
120°F
1
3 2 VAC IN
I/O COMMON
I/O COM
200-240
STATUS OK
6
4 5
SPD CMD
ENABLE
I/O COMMON
0-10V
3
2
1
2 1
GREEN
4 3
OUT
240 VAC 3 PHASE
BMSC
MTR
BLWR
NO
C
212°F
NO
212°F
C
2
5
6
3
4
1
9
7
MAG THERMO
SWI TCHES
MAG
CT
C2
0.91 uF 0.91 uF
(-) D2 (+) (+) D 1 (-)
MAG 1 MAG 2
FT 1
FT 2
FA
SPLICE 1
-2 4V M AG THEMO SW RTN
F1 F2 F3
HV TRANSFORMERS
1-2 = 208VAC 1-3 = 240VAC
T2 T1
TAPS
RD-19
1
2
121
2
BL100
BR200
BL300
BL110
BL120
BL120
BL130
BL140
BR240
BR210
BR220
BR230
BR240
BR250
BL330
BL335
BR400 BR410
BR400
BR420
BR420
BR430
BL150
BL150
BL155
BL160
BR290
BL150
BR260
BR260
OR270
OR270
BR280
BL155
BR285
OR275
BR280
BL340
OR440
BR450
OR360
BL370
BL355
BL350
M2HV M1HV
M2FC
M1FC
M2CD
M2FA
M1FA
M2F
M1F
VOLTAGE MODULE
BL000
BR000
OR-13
BK-33
OR-13
BK-33
1-3 = 240VAC
1-2 = 208VAC
RD-191 RD-192 RD-193
-24 V ( VOLT MODULE RTN)
OR-6
3300 WATTS
13.1 OHMS
HX E LEMENT
BOTTOM IR
14.4 OHMS
3000 WATTS
B2
A2
BL500
BL530
B1 A1
K5 K4
HT600
2
22
BL510
12
OR540
32
1
HT520
21
11
31
MANUAL RESET
OT1
-B+
RD-19
PIN1
PIN2
PIN3
PIN5
PIN4
PIN6
RD-19
WH-2
WH-1
WH-27
PIN1
PIN3
PIN4
PIN5
PIN2
PIN6
9
7
1
4
3
6
1
7
9
6
3
4
OR-11
BK-23
RD-16
RD-20
RD-24
BK-25
WH-31
BK-32
OR-9
RD-24
RD-25
WH-31
BK-32
OR-9
BK-20
A
-+
WH-301
WH-28
WH-301
WH-28
OR-61
WH-29
WH-2
WH-27
BK-22
BK-21
OR-61
OR-8
OR-7
OR-11
BK-23
QC1 QC2
M3 WHITE M2 RED M1 BLACK
SAFETY INTERLOCKS
BK-16
QC3
ABA B A B A
741
6
3
B
9
528
REL AY ASSY
PINOUT
BL345
BR500
G
K1
K2
K3
K6
1479
6
33
6
97
4
1
7413
6
9
MAG_FAN _RELAY
NC
24V +
WH-1
B
C
A
NO
J
NOT
USED
M1CD
C1
NC
NO
NC
NO
PRIMARY
INTERLOCK
OR-7
C
NO
NC
OR-8
BK-21
BK-22
SWITCH
MONITOR
C
SECONDARY
INTERLOCK
C
OR-61
OR-6
OR-62
CABLE, SMART CARD
SM ART CAR D CONNECTOR
RJ11
RJ11
DRAWING OF 40-PIN CONNECTOR
EVENS ODDS
DRAWING OF HV TRANSFORMERS
OR
BL
BR
T2
BL
BR
OR
T1
ALL BLUE WIRES
F3: 20 A MP S CLASS CC
F2: 12 A MP S CLASS CC F1: 12 A MP S CLASS CC
ALL OTHER WIRES
LINE-OUT VIEW
DRAWING OF 6-PIN
CONNECTOR
124
5
36
SSR
1. S CHEMAT IC S HOWS OVEN WITH D OOR OPEN A ND WITHOUT POWER APPLIED
NOTES:
MAG FAN RELAY
K7
FIGURE
40: NGC (Tornado
®
) Schematic
NGC (US) SCHEMATIC
55
Page 70
D2 D1
MAG 1 MAG 2
FT2
FT1
BL 14
BL 15
RED 6
RED 5
DO NOT USE
WH-29
NC
C
C
OR-62
SAFET Y INTERLOCKS - NEW SETUP
NC
INTERLOCK
PRIMARY
MONITOR
SWITCH
C
NC
NO
SECONDARY
BK-22
BK-21
NO
OR-7
OR-8
OR-61
INTERLOCK
NO
OR-6
CAB LE, S MAR T CARD
SMART CARD CONNECTOR
RJ11
RJ11
F3: 20 AMPS CLASS CC
F1: 12 AMPS CLASS CC
F2: 12 AMPS CLASS CC
SSR
14
CONNECTOR
DRAWING OF 6-PIN
3
25
6
DRAWING OF 40-PIN CONNECTOR
ODDSEVENS
1. SCHEMAT IC SHOWS OVEN WI TH DOOR OP EN AND WIT HOUT POWER APPLI ED
NOTES:
K7
PRIMARY
S AFE TY I NTE RLOCK S - OL D SETUP
BK-21
SECONDARY
NO
NC
C
SWITCH
NO
MONITOR
BK-21
OR-8
OR-7
NC
C
NO
BK-22
NC
C
OR-61
WH-29
24V +
MAG_FAN_RELAY
NONCC
A
B
QC1
OR-11
BK-23
QC2
NO
NC
MAG THERMO
SW ITCHES
C
212°F
NC
C
212°F
NO
K7 MAG FAN RELAY 29 29
P4
P6 J6
J4
IR
CC
40
39
THERMOCOUPLES EC
37
36
38
BMS C (4) (COM RTN) 32
34
33
35
B MSC (3) (E NAB LE OU T) 31
K4 (B -) (CONV OUT) 30
C(+)
IR
A(-)
C(+)
CC
40
39
A(-) C(+)
EC
37
36
38
32
A(-)
34
33
35
31
30
17
1-9
23
26 27 28K5 (-B) BOT TOM IR OUT
K1-B (MAG FIL OUT)
CT
BMSC 0-10V OUT
B MS C CO MM (2)
24
25
20
-24V PS IN
MAG
-24V S&M RTN
-24V P INTE R RTN
22
21
J6
19
18
11
14
16
15
+24V PS IN
ASPEN
MAG THERMO SW IN
13
12
VOL T MODUAL IN
8
BMSC SEL
P5
9B MSC (9) (S TA TUS OK)
SECONDARY (NO) INTER IN
HX S TATUS IN 10
5
MONITOR (NO) INTER IN 6
PRIMARY (NO) INTER IN 7
17
23
26 27 28
24
25
20
22
21
19
18
F
11
14
16
15
13
12
8 9
10
5 6 7
2K2-B (MAG OUT) 3 4
1
2 3 4
1
F
FA
FAN
MAG
1
3
4
2
4
3
2
1
A
B
BA
B
A
EMI
FILTER 1-PHASE
-V
SUPPLY
+V
POWER
24VDC
L
N
K1 FILAMENT
K2 ANODE
K3 MONITOR
EC FAN
NO
C
OT2
120°F
1
3 2
VAC IN
I/O COMMON
I/O COM
200-240
STATUS OK
6
4
5
SPD CMD
ENABLE
I/O COMMON
0-10V
3
2
1
2 1
M1 BLK
4 3
OUT
240 VAC 3 PHASE
BMSC
MTR
BLWR
4
2
3
1
6
5
MAG
CT
1.13 uF
(-) (+) (+ ) (-)
FA
OR-62
SPLICE 1
-24V MAG THEMO SW RTN
F1
F2 F3
HV TRANSFORMERS
1-2 = 230VAC
T2
T1
TAPS
RD-19
1
2
1
2
1
2
BLK 15
BLK 22
BL 35
BLK 19
BLK 39
M 2HV M 1HV
M2FC
M1FC
M1CD
M2CD
M2FA
M1FA
M2F
M1F
1-2 = 230VAC
RD-191 RD-192
-24 V (V OLT MODULE RTN)
OR-6
3300 WATTS
13.1 OHMS
HX ELEMENT
BOTTOM IR
14.4 OHMS
3000 WATTS
B2
A2
BR 27
B1 A1
K5 K4
2
22
BR 30
12
RED 29
32
1
HT 38
21
11
31
MANUAL RESET
OT1
-B+
RD-19
PIN1
PIN2
PIN3
PIN5
PIN4
PIN6
RD-19
WH-2
WH-27
PIN1
PIN3
PIN4
PIN5
PIN2
PIN6
6
5
1
3
2
4
1
5
6
4
2
3
OR-11
BK-23
RD-16
RD-16
RD-24
BK-25
WH-31
BK-32
OR-9
RD-24
RD-25
WH-31
BK-32
OR-9
BK-20
A
-+
WH- 301
WH-28
WH-301
WH-28
OR-61
WH-2
WH-27
BK-22
BK-21
OR-61
OR-8
OR-7
M2 RED
M3 W HITE
OR-6
OR-10
GREEN
BK-20
QC3
135
AB
642
A53
1
42B
6
A53
1
4
2B6
RE LAY ASSY
PINOUT
BLK 20
G
K1
K2
K3
L1 N
L1 N
BL 36
BL 37
BL 33 BL 34
BLK 40
RED 7
BL 9
RED 2
RED 1
BL 8
RED 3
BL 10
BLK 23
BL 26
BL 11
RED 4
BL 20
RED 24
RED 28
HT 43
BLK 25
BL 42
BL 16
BROWN BLUE
230V AC, 1Ø
3 WIRE INPUT
GRN/YEL
L1N
40VSK6
MAG CT
IR ELE
AUX CT
HX CT
L1 N
LOAD DIAGRAM
C2 C1
1.15 uF
1.13 uF
1.15 uF
FIGURE
41: NGCUK (Tornado) Schematic
NGC (UK) SCHEMATIC
57
Page 71
K7 M AG FA N RELAY 29 29
P4
P6 J6
J4
IR
CC
40
39
THERMOCOUPLES
EC
37
36
38
BMSC (4 ) (COM RTN) 32
34
33
35
BMSC (3 ) (ENABLE OUT ) 31
K4 (B-) (CONV OUT) 30
C(+)
IR
A(-)
C(+)
CC
40
39
A(-)
C(+)
EC
37
36
38
32
A(-)
34
33
35
31
30
17
1-9
23
26 27 28
K5 (-B) BOTTOM IR OUT
K1-B (MAG FIL OUT)
CT
BMSC 0-10V OUT
BMSC COMM (2)
24 25
20
-24V PS IN
MAG
-24V S&M RTN
-24V P INTER RT N
22
21
J6
19
18
11
14
16
15
+24V PS IN
ASPEN
MA G T H ER MO SW IN
13
12
VOL T MODUAL IN
8
BMSC SEL
P5
9BMSC (9) (STATUS OK)
SECONDARY (NO) INTER IN
HX ST AT US IN 10
5
MONITOR (NO) INTER IN 6
PRIMARY (NO) INTER IN 7
17
23
26 27 28
24 25
20
22
21
19
18
F
11
14
16
15
13
12
8 9
10
5 6 7
2K2-B (MAG OUT) 3 4
1
2 3 4
1
FFA
FAN
MAG
1
3
4
2
4
3
2
1
A
B
BA
B
A
EMI FILTER
3-PHASE 5 WIRE WYE
-V
SUPPLY
+V POWER
24VDC
L
N
K1 FILAMENT
K2 ANODE
K3 MONITOR
EC FAN
NO
C
OT2
120°F
1
3 2
VAC IN
I/O COMMON
I/O COM
200-240
STATUS OK
6
4 5
SP D CMD
ENABLE
I/O COMMON
0-10V
3
2
1
2 1
M1 BLK
4 3
OUT
240 VAC 3 P HASE
BMSC
MTR
BLWR
6
3
4
1
9
7
MAG
CT
1.15 uF
(-) (+) (+) (-)
FT 1
FT 2
FA
OR-62
SPLICE 1
-2 4V MA G THEM O SW RT N
F1 F2 F3
HV TRANSFORMERS
1-2 = 230VAC
T2
T1
TAPS
RD-19
1
2
1
2
1
BLK 15
BLK 22
BL 35
BLK 19
BLK 39
M2HV M1HV
M2FC M1FC
M1CD
M2CD
M2FA
M1FA
M2F
M1F
1-2 = 230VAC
RD-191 RD-192
-24V (VOLT MO DULE RTN)
OR-6
3300 WATTS
13.1 OHMS
HX ELEMENT
BOTTOM IR
14.4 OHMS
3000 WATTS
B2
A2
BR 27
B1 A1
K5 K4
2
22
BR 30
12
RED 29
32
1
HT 38
21
11
31
MAN UAL R ESET
OT1
-B+
RD-19
PIN1
PIN2
PIN3
PIN5
PIN4
PIN6
RD-19
WH-2
WH-27
PIN1
PIN3
PIN4
PIN5
PIN2
PIN6
9
7
1
4
3
6
1
7
9
6
3
4
OR-11
BK-23
RD-16
RD-16
RD-24
BK-25
WH-31
BK-32
OR-9
RD-24
RD-25
WH-31
BK-32
OR-9
BK-20
A
-+
WH - 301
WH-28
WH -301
WH-28
OR-61
WH-2
WH-27
BK-22
BK-21
OR-61
OR-8
OR-7
M2 RED
M3 WHITE
OR-6
OR-10
GREEN
BK-20
QC3
147
AB
963
A74
1
6
3
B
9
A74
1
63B
9
RELAY ASSY
PINOUT
BLK 20
G
K1
K2
K3
L1 L3 NL2
N
L1 L2
L3
BL 36
BL 37
BL 33 BL 34
BLK 40
RED 7
BL 9
RED 2
RED 1
BL 8
RED 3
BL 10
BLK 23
BL 26
BL 11
RED 4
BL 20
RED 24
RED 28
HT 43
BLK 25
BL 42
BL 16
BLK BLK BRN BLU
380- 415, 3Ø
5 W IRE INPUT
GRN
N
L3
L2
L1
L1
L2
DIAGRAM
LOAD
N
AUX CT
IR ELE
MAG CT
HX CT
L3
D2 D1
1.13 uF
1.15 uF
1.13 uF
C2 C1
MAG 1 MAG 2
2
BL 14
RED 5
DO NOT USE
BL 15
RED 6
WH-29
C
PRIMARY
SECONDARY
BK-22
OR-7
BK-21
INTERLOCK
NC
C
NO
OR-6
OR-8
OR-61
C
INTERLOCK
OR-62
NO
NO
NC
SAFETY INTERLO CKS - NEW SETUP
MONITOR SWIT CH
NC
CABLE, SMART CARD
SMART CARD CONNECTOR
RJ11
RJ11
SSR
DRAWING OF 40-PIN CONNECTOR
ODDSEVENS
F2: 12 AMPS CLASS CC F1: 12 AMPS CLASS CC
F3: 20 AMPS CLASS CC
14
3256
CONNECTOR
DRAWING OF 6-PIN
1. SCH EM AT IC S HOW S O VEN WIT H D OOR OPEN AND WITHOUT POWER APPLIED
NOTES:
K7
PRIMARY
SAFETY INTERLO CKS - OLD SETUP
BK-21
SECONDARY
NO
NC
C
SWITCH
NO
MONITOR
BK-21
OR-8
OR-7
NC
C
NO
BK-22
NC
C
OR-61
WH-29
24V +
A
B
QC1
OR-11
BK-23
QC2
NO
NC
MAG THE RMO
S WITCHE S
C
212°F
NC
C
212°F
NO
FIGURE
42: NGCEW (Tornado) Schematic
NGC (EW) SCHEMATIC
59
Page 72
K7 M AG FA N RELAY 29 29
P4
P6
J6
J4
IR
CC
40
39
THERMOCOUPLES EC
37
36
38
BMSC (4 ) (COM RTN) 32
34
33
35
BMSC (3 ) (ENABLE OUT ) 31
K4 (B -) ( CONV OUT) 30
C(+)
IR
A(-)
C(+)
CC
40
39
A(-) C(+)
EC
37
36
38
32
A(-)
34
33
35
31
30
17
1-9
23
26 27 28
K5 (-B) BOTTOM IR OUT
K1-B (MAG FIL OUT)
CT
BMSC 0-10V OUT
BMSC COMM (2)
24 25
20
-24V PS IN
MAG
-24V S&M RTN
-24V P INTER RT N
22
21
J6
19
18
11
14
16
15
+24V PS IN
ASPEN
MA G T HE RMO SW IN
13
12
VOL T MODUAL IN
8
BMSC SEL
P5
9BMSC (9) (STATUS OK)
SECONDARY (NO) INTER IN
HX ST AT US IN 10
5
MONITOR (NO) INTER IN 6
PRIMARY (NO) INTER IN 7
17
23
26 27 28
24 25
20
22
21
19
18
F
11
14
16
15
13
12
8 9
10
5 6 7
2K2-B (MAG OUT) 3 4
1
2 3 4
1
FFA
FAN
MAG
1
3
4
2
4
3
2
1
A
B
B
A
B
A
EMI
FILTE R 3-PH ASE 5 WIRE WYE
-V
SUPPLY
+V
POWER
24VDC
L
N
K1 FILAMENT
K2 ANODE
K3 MONITOR
EC FAN
NO
C
OT2
120°F
1
3 2 VAC IN
I/O COMMON
I/O COM
200-240
STATUS OK
6
4 5
SP D CMD
ENABLE
I/O COMMON
0-10V
3
2
1
2 1
M1 BLK
4 3
OUT
240 VAC 3 P HASE
BMSC
MTR
BLWR
6
3
4
1
9
7
MAG
CT
1.13 uF
(-) (+) (+) (-)
FA
OR-62
SPLICE 1
-2 4V MA G THEM O SW RT N
F1
F2
F3
HV TRANSFORMERS
1-2 = 230VAC
T2
T1
TAPS
RD-19
11
2
1
BLK 15
BLK 22
BL 35
BLK 19
BLK 39
M2HV M1HV
M2FC M1FC
M1CD
M2CD
M2FA
M1FA
M2F
M1F
1-2 = 230VAC
RD-191 RD-192
-24 V (VOLT MODULE RTN)
OR-6
3300 WATTS
13.1 OHMS
HX EL EMENT
BOTTOM IR
14.4 OHMS
3000 WATTS
B2
A2
BR 27
B1 A1
K5 K4
2
22
BR 30
12
RED 29
32
1
HT 38
21
11
31
MAN UAL R ESET
OT1
-B+
RD-19
PIN1
PIN2
PIN3
PIN5
PIN4
PIN6
RD-19
WH-2
WH-27
PIN1
PIN3
PIN4
PIN5
PIN2
PIN6
9
7
1
4
3
6
1
7
9
6
3
4
OR-11
BK-23
RD-16
RD-16
RD-24
BK-25
WH-31
BK-32
OR-9
RD-24
RD-25
WH-31
BK-32
OR-9
BK-20
A
-+
WH - 301
WH-28
WH -301
WH-28
OR-61
WH-2
WH-27
BK-22
BK-21
OR-61
OR-8
OR-7
M2 RED
M3 WHITE
OR-6
OR-10
GREEN
BK-20
QC3
147
AB
963
A B A B
RELAY ASSY
PINOUT
BLK 20
G
K1
K2
K3
L1
L3
NL2
NL1 L2 L3
BL 36
BL 37
BL 33 BL 34
BLK 40
RED 7
BL 9
RED 2
RED 1
BL 8
RED 3
BL 10
BLK 23
BL 26
BL 11
RED 4
BL 20
RED 24
RED 28
HT 43
BLK 25
BL 42
BL 16
BLK BLK BRN
230V AC, 3Ø
4 W IRE INPUT
GRN
L3
L2
L1
741
963
741
963
L1
L3
L2
MW CT
AUX CT
IR ELE
HX CT
LOAD
DIAGRAM
C2 C1
1.15 uF
1.15 uF
1.13 uF
MAG 1 MAG 2
D1D2
FT2
FT1
BL 14
RED 5
DO NOT USE
BL 15
RED 6
2
2
WH-29
NC
C
NC
SAFETY INTERLO CKS - NEW SETUP
PRIMARY
INTERLOCK
MONITOR
SWIT CH
C
NC
NO
SECONDARY
BK-22
NO
C
OR-7
BK-21
INTERLOCK
NO
OR-62
OR-6
OR-8
OR-61
CABLE, SMART CARD
SMART CARD CONNECTOR
RJ11
RJ11
SSR
DRAWING OF 40-PIN CONNECTOR
ODDS
EVENS
DRAWING OF 6-PIN CONNECTOR
41
2 5
36
F3: 20 AMPS CLASS CC
F1: 12 AMPS CLASS CC
F2: 12 AMPS CLASS CC
1. SCH EM AT IC S HOW S O VEN WIT H D OOR OPEN AND WITHOUT POWER APPLIED
NOTES:
K7
PRIMARY
SAFETY INTERLO CKS - OLD SETUP
BK-21
SECONDARY
NO
NC
C
SWITCH
NO
MONITOR
BK-21
OR-8
OR-7
NC
C
NO
BK-22
NC
C
OR-61
WH-29
24V +
A
B
QC1
OR-11
BK-23
QC2
NO
NC
MAG THE RMO
S WITCHE S
C
212°F
NC
C
212°F
NO
FIGURE
43: NGCED (Tornado) Schematic
NGC (ED) SCHEMATIC
61
Page 73
FIGURE
44: NGC Brazil (Tornado) Schematic
NGC (BRAZIL) SCHEMATIC
63
Page 74
Service Parts and
Illustrations
Page 75
FIGURE 7: NGC (TORNADO) CONTROL SYSTEM
G
R
O
U
N
D
S
TATUS OK
I/O COM
1
2
O
UT
240 VAC 3 PHASE
3
4
4
6
5
2
1
3
I/O COM E
N
ABLE
2
0
0-240
V
AC IN
S
P
D
2 3
0
-
1
0
V
1
BMSC
K1
MECH R
ELAY
+ 24 VDC -
R
ELAY
MECH
K2
R
ELAY
MECH
K3
S
S
R
DUAL
BOARD
CONTROL
I
/
O
K
E
Y
P
A
D
V
F
D
D
I
S
P
L
A
Y
I
R
T
H
E
R
M
OCOUPLE
EC THERMOCOUPLE
C
C
T
HERMOCOUPLE
S
U
P
P
LY
POWER
2
4
V
DC
I
R ELEMENT COMMAND
C
O
NVECTION HEATER COMMAND
MAG HV
COMMAND
COMMAND
M AG FILAMENT
MONITOR
INTERLOCK
I
N
T
E
R
LOCK
I
N
T
E
R
L
O
CK
+
24VDC
+24VDC
+
2
4
V
DC
C
OMMON
C
M
D
COMMON
+
24VDC
P
R
I
M
A
R
Y SWITCH
SECONDARY SWITCH
K6
MECH R
ELAY
+ 24 VDC - + 24 VDC - + 24 VDC -
VOLTAGE
COMMAND
C
O
M
M
O
N
V
O
L
T
AGE INPUT
V
O
L
TAGE
K
7
RELAY
-
24 VDC +
MAGNETRON COOLING FAN COMMAND
PRIMARY SWITCH
NC N
O
C
N
C
C
N
O
SECONDARY SWITCH
MONITOR SWITCH
N
C
C
N
O
3
(+) 4(-)
3
(
+
) 4(-)
+
V
-
V
L
N
A
(
-
)
C
(
+
)
C (+)
A (-)
C
(
+)
A
(
-
)
1 2
14 1
4
2
1
14
21
14
2
1
1 2
25 26
2
1
25 26
2
1
1 2
2 5 26
2 5
26
+24VDC
K
5
K
4
(U.S. ONLY)
FOR MORE DETAIL, SEE FIGURE 37
S
E
N
S
O
R
Chapter 4: The Control System - Page 13
SERVICE PARTS AND ILLUSTRATIONS
65
Page 76
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. 100508 Smart Card, Blank (Varies)* Smart Card, Programmed*
4.
NGC-3023
Display Svc Kit (includes Items 5, 6, and 7)
5. 101954 Spacer, 1/2” Lg, Aluminum
6.
100193 3-Pin Power Cable
7.
100184
26-Pin Ribbon Cable
8. NGC-1110-1 Keypad, NGC, Standard
NGC-1110-2 Keypad, NGC, SWY NGC-1110-3
Keypad, NGC, SBK
NGC-1110-4
Keypad, NGC, OUT
9.
100506 Smart Card Reader
10. 100182 Smart Card Reader Cable
* Contact TurboChef (800.90TURBO or
+1 214.379.6000) for more info/part numbers.
1
2
3
4
5
6
7
10
9
8
Page 77
FIGURE 18: MONITOR CIRCUIT - SHOWN IN FAILSAFE STATE
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 AMP
(BLOWN)
+24 VDC
LINE VOLTAGE
(L1)
LINE VOLTAGE
(L2)
K2 HV RELAY
T1
HV TRANSFORMER
3
3
T2
HV TRANSFORMER
MONITOR SWITCH
(OPEN)
K3 MONITOR
RELAY
CONTROL
CDM
CONTROL
CDS
CONTROL
C
NC
NO
C
NC
NO
C
PRIMARY AND SECONDARY
INTERLOCKS (CLOSED)
11
12
13
15
15
16
14
17
18
19
20212223
15. NGC-3061-1 Filament Transformer (2 per oven, 1 per kit) - USA, S. Korea
NGC-3061-2 Filament Transformer (2 per
oven, 1 per kit) - Europe, Asia­Pacific, Latin America
NGC-3061-3 Filament Transformer (2 per
oven, 1 per kit) - Japan
16. 100083 Mag Cooling Fan
17.
101273 K3 Monitor Relay
18.
101273 K2 High Voltage Relay
19.
101273 K1 Filament Relay
20.
100599 F3 Fuse - 20 Amp
21. NGC-3015 Magnetron (2 per oven, 1 per kit)
22.
NGC-3017 Wave Guide (Rear)
23.
NGC-3016 Wave Guide (Front)
* See Comprehensive Part List, page 79.
11.
NGC-3062-1 HV Transformer (2 per oven, 1 per kit)
USA, Latin America, Korea
NGC-3062-2 HV Transformer (2 per oven, 1 per kit)
Europe, Asia-Pacific
NGC-3062-3 HV Transformer (2 per oven, 1 per kit)
Japan
12.
NGC-3020 High Voltage Capacitor (2 per oven,
1 per kit) - USA, Latin America, Korea
NGC-3020-2
High Voltage Capacitor (2 per oven, 1 per kit) - Europe, Asia-Pacific, Japan 50 Hz
100207
High Voltage Capacitor (2 per oven, 1 per kit) - Japan 60 Hz
13.
100481 High Voltage Diode (x2)
14.
Mag Fan Relay, Generic
NGC-3030-1 North America NGC-3030-4 Europe, Asia-Pacific MPh NGC-3030-7 Europe Single Phase NGC-3030-12
Brazil Single Phase
Mag Fan Relay, SWY
NGC-3030-2 North America NGC-3030-6 Europe, Brazil Single Phase NGC-3030-9 Europe, Asia-Pacific MPh
Mag Fan Relay, SBK
NGC-3030-3
North America
NGC-3030-13
Europe, Brazil Single Phase
NGC-3030-14 Indiana/North Carolina NGC-3030-15 Europe, Asia-Pacific MPh
Mag Fan Relay, Additional*
FIGURE 20: MICROWAVE SYSTEM PARTS
Chapter 5: The Microwave System - Page 27
Chapter 5: The Microwave System - Page 25
SERVICE PARTS AND ILLUSTRATIONS
67
Page 78
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.
100684 Screw #6 Sheet Metal
Wave Guide/Wave Guide Cover Parts
29.
NGC-3036 Kit, Wave Guide Cover (Includes
Item 31 and sealant)
30. 101666
Screws, #8-32 x 1/2, Cap
31. 101701 Screws, #8, SST
32. NGC-1047 Support, Frame
33.
102809 Screws, #8-32 x 3/8” CSK (100
º
)
34.
NGC-3017 Assy, Wave Guide, Rear
35. NGC-3015 Magnetron, Rear
36. NGC-3015 Magnetron, Front
37. NGC-3016 Assy, Wave Guide, Front
FIGURE 22: WAVE GUIDE COVER/WAVE GUIDE REMOVAL AND REPLACEMENT
Chapter 5: The Microwave System - Page 29
F
F
A
FILAMENT AND HIGH VOLTAGE TERMINALS
COOLING FINS
(ORG)
(BLK)
ANTENNA
25
26
27
28
24
Page 79
SERVICE PARTS AND ILLUSTRATIONS
FIGURE 24 & 25: HIGH VOLTAGE DIODE AND MAGNETRON
Chapter 5: The Microwave System - Page 32
69
ANTENNA
FFA
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.
NGC-1061 Hinge Block
41.
102804 Right Hinge
42.
102805 Left Hinge
43. 101381 #10-32 x 1/2” Hex SS
44. 102140 #10 Flat
45. 102350 #10 Split Lock
46.
101191 Cap, Hole
38
39
40
41
42
43
44
45
46
FIGURE 26: OVEN DOOR REMOVAL AND PARTS
Chapter 6: The Oven Door - Page 37
Page 80
70
SWITCH
GAP
= 0.020”
4950
51
52
TOGGLE
TO
BE LEVEL
OR NEARLY LEVEL
APPLY HI-TEMP GREASE
TO
AREA
48
47
58
61
57
53
63
59
54
60
55
62
56
x2
FIGURE 30: DOOR SWITCH ASSEMBLY AND PARTS
Chapter 6: The Oven Door - Page 41
SERVICE PARTS AND ILLUSTRATIONS
FIGURE 29: PRIMARY AND SECONDARY INTERLOCKS ADJUSTMENT AND PARTS - OLD SWITCH SETUP
Chapter 6: The Oven Door - Page 40
Door Switch Parts
53.
NGC-1072 Bracket Latch
54.
102012 Switch, Micro, 0.1A/125VAC
55. NGC-1087 Spring Door Latch
56.
NGC-1073 Toggle, Latch
57. 101119 Pin, Clevis, ø3/16 x 1” Lg
58. 100059 Bearings, Bronze, 3/16ID x 5/16OD x 1/4” Lg
59.
101557
Screw, #4-40 x 1.25” Lg, PPHD, CRES
60. 102921 Screw, #8-32 x 3/8”, Internal Tooth Sems, PPHD, SS
61.
NGC-1126 Plate, Door Switch
62.
NGC-3006
Grease, USDA H-1, Food Grade
63. 101296 Ring, E-clip
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”
101557 Screw, #4-40 x 1 1/4”
50.
51. 102012 Interlock Switches
NGC-3033
52.
Assy, Door Switch*
*See Figure 32 for Assy Detail.
Page 81
SERVICE PARTS AND ILLUSTRATIONS
68
67
68
64
66
68
67
69
65
REF
x2
75
71
72
73
74
APPLY
HI-TEMP
GREASE
TO AREA
70
FIGURE 32: PRIMARY INTERLOCK ADJUSTMENT AND PARTS - NEW SWITCH SETUP
Chapter 6: The Oven Door - Page 42
Primary Safety Switch Parts
70.
102809 Screw, #8-32 x 3/8” 100Þ CSK
71. 102921 Screw, #8-32 x 3/8”
72. 101555 Screw, #4-40 x 3/4”
73. 102012 Interlock Switch
74. NGC-3033 Assy, Door Switch*
75. Adjustment Tools (included with Item 74) NGC-1215 Door Switch Gauge NGC-1340 Shim Tool, 0.060” NGC-1344
Shim Tool, 0.030”
76.
NGC-1169-1
Shim, 0.030”
NGC-1169-2 Shim, 0.045”
76
71
FIGURE 31: MONITOR SWITCH ADJUSTMENT AND ASSEMBLY - OLD SWITCH SETUP
Chapter 6: The Oven Door - Page 41
Monitor Safety Switch Parts
101912 Standoff, #8-32F/Fx1 in S
102804 Hinge, Right
64.
102012 Switch, Limit, Micro
65.
NGC-1126 Plate, Door Switch
66.
67.
68. 102921 Screw, #8-32 x 3/8” 102902 Screw, 4-40 x 5/8”
69.
Page 82
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.
102012 Switch, Limit, Micro (x2)
79.
NGC-1126 Plate, Door Switch
80. 101914 Standoff, #8-32 F/F x 1”, 5/16” DIA
81. 101915 Standoff, #8-32 M/F x 5/16”, 1/4” DIA (attached to outside of Item 80.)
82. 102921 Screw, #8-32 x 3/8”
83.
101558 Screw, 4-40 x 1.125”
Page 83
FIGURE 35: OVEN DOOR ASSEMBLY
PRECAUTIONS FOR SAFE USE TO AVOID POSS
IBLE
PRECAUTIONS A AFIN D'EVITER UNE EXPOSITION
EXPOSURE TO
EXCESSIVE MICROWAVE ENERGY
1. S'il y a
un objet qui obstru
e la porte.
2. Door that does not close
properly.
d'etanche
ite sont brises.
DANGEREUSE AUX MICRO-ONDES.
Ne tentez pas de f
air fonctionner ce
t four:
2. Si la porte ne se ferme pas correctement.
3. Damaged Door, Hinge, Latch, or Sea
ling Surface.
3. Si la porte, le go
nd, la clenche ou la surface
'
1. Object caught in D
oor.
DO NOT attempt to operate this oven with: DO NOT attempt to operate this oven with:
3. Si la porte,
le gond, la clen
che ou la surface
3. Damaged Door, Hinge, Latch, or Sealing Surface.
2. Si la porte ne se ferme pa
s correctement.
Ne tentez pas de fair fonctionne
r cet four:
DANGEREUSE AUX MICRO-ONDES.
2. Door that does not close properly.
1. S'il y a un
objet qui obstrue la porte.
EXPOSURE TO EXCES
SIVE MICROWAV
E ENERGY
PRECAUTIONS A A
FIN D'EVITER
UNE EXPOSITION
PRECAUTIONS FO
R SAFE USE TO AVOID POSSIBLE
1. Object caught in Door.
d'etancheite sont
brises.
800-908-8726
CUSTOMER SERVICE TOLL FR
EE NUMBER
85
84
86
x2
88
89 96
x2
87
95
x2
93
91
x6
94
98
90
92
AR
97
x17
99
101
x2
100
Chapter 6: The Oven Door - Page 44
SERVICE PARTS AND ILLUSTRATIONS
73
Oven Door Parts
84. NGC-3067* Door, NGC, Generic*
NGC-3067-2* Door, NGC, SBK* NGC-3021
85.
NGC-1061
86.
Kit, Shunt Plate Hinge Block
87. 102750 Handle, Door, Generic
NGC-1216 Handle, Door, SBK NGC-1076-2 Actuator, Door
88. NGC-1132 Shim, Door Latch
89.
90. 102945 Bolt, 1/4”-20 x 1.00
91. NGC-1138 Label, Precaution
92. 102809 #8-32 x 3/8” CSK 100°
93. NGC-1165 Label, Caution Empty NGC-1125-1 Door Insulation 1
94. NGC-1125-2
Door Insulation 2
NGC-1127 Channel, Door Handle
95.
96.
102748
Screw, #8-32 x 3/8”, Torx Security
97. 101688 Screw, #8 x 1/2” PTH
98. 102698 Tape, Aluminum NGC-1155 Name Plate, TurboChef
99.
100.
101293
Nut, Push, 1/8”
101. NGC-1170 Label, Service
* Includes items 85 - 101.
Page 84
FIGURE 37: CONVECTION CIRCUIT BLOCK DIAGRAM
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
BL500
OR540
BL510
K5 K4
B1B2A1
A2
SSR
HT520
WH-28
WH-30
RD-19
BR600
1
2
HX ELEMENT 3300 WATTS
13.1 OHMS
BOTTOM IR 3000 WATTS
14.4 OHMS
BOTT OM IR CONTROL
MAIN HX CONTROL
+24
C
NC
32
31
C
NC
22
21
C
NC
12
11
OT1 - HI-LIMIT
MANUAL RESET
MOTOR SPINS COUNTER-CLOCKWISE FROM BACK
RD-24
BK-25
WH-31
BK-32
GROUND (GREEN) L2
L1
74
SERVICE PARTS AND ILLUSTRATIONS
Page 85
FIGURE 38: CONVECTION CIRCUIT ASSEMBLY AND PARTS
NOTICE:
This devic
e complies with P
art 18 of the FC
C Rules
.
Oper
ation is subject to the follo
wing conditions:
1. Thi s devic
e may not cause harmful in
ter
fer
ence.
WARNING:
DHHS Feder
al Per
for
mance Standard 21 CFR 1030.
10.
To
provide continued protection against electrical
Pour assur
er pr
otec
tion con
tinue con
tre le cho
c
shock,
connect to properly gr
ounded outlets only.
AVE
RTI
SSEMENT:
correc
tem
ent mise a terre.
electr
ique branchez seulement a un
e prise
undesired opera
tion.
2.
This devic
e must acc
ept any in
ter
fer ence
received
, i ncluding in
terfer
ence tha
t may c
ause
Thi
s Ov
en complies with applic
able sections of
111
x6
113
112
102
103
104
105
109
110
114
x8
x10
108
107
* *
*
**
106
SERVICE PARTS AND ILLUSTRATIONS
75
Chapter 7: Convection
Circuit - Page 48
Convection Circuit Parts
102. 101688 Screw, #8 x 1/2” PTH
103. NGC-1081 Cover, Motor
100906 Nut, 1/4”-20, Flange
104.
NGC-1025 Assy, Blower Motor
105.
NGC-3007 Kit, Fan Blade
106.
107. NGC-1024 Sealing Block, Blower
108. NGC-1023 Clamp, Blower Seal
109. 101688 Screw, #8 x 1/2” PTH
NGC-3011 Heater, Convection
110.
111.
100443
Controller, Motor
NGC-3005 Relay, K4/K5 SSR
112.
100592 Fuses, F1 and F2 (12 Amp)
113.
102075 High-Limit Thermostat
114.
115. NGC-1043 Gasket, Convection Heater
* If entire motor is needed, order NGC-1025.
If only hardware (screws, nuts) or seal is needed, contact 800.90
Not shown for clarity.
**
TURBO or +1 214-379-6000.
Page 86
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 Catalytic Converter
FIGURE 39: IR ELEMENT AND CATALYTIC CONVERTER PARTS AND ASSEMBLY
Chapter 8: IR Element and Catalytic Converter - Page 52
116
x4
117
118
119
120
121
122
119
118
122
76
SERVICE PARTS AND ILLUSTRATIONS
Wire Harness Replacement P/N
Low Voltage Harness
123.
100185 Old Switch Setup NGC-1418 New Switch Setup
Line Voltage Harness
124. NGC-1150-1 North America
NGC-1150-2 UK, Ireland, Brazil NGC-1150-3 Eu, Asia, Pacific, Au, Japan
Magnetron Wire
125. 100186 All NGC Ovens
Power Cord
126. 100187 USA
100194
NGC ED - Europe, Asia, Pacific
100195
UK, Ireland, Brazil
103187
NGC EW- Europe, Asia, Pacific
103195 Australia NGC-1383 Japan 3Ph NGC-1390 Japan 1Ph
Page 87
-HOT-
CAU
TION
shock,
connect to properly gr
ounded outlets only.
electr
ique branche
z seulement a un
e prise
Pour assurer pr
otec tion con
tinue con
tre le cho
c
correc tem ent mise a t
err
e.
AVERTI
SSEMENT:
To
provide con
tinued prot
ection against electrical
DHHS Feder
al Per
for mance S
tandard 21 CFR 1030.1
0.
Thi
s Ov en complies with applic
able sections of
recei ved , i ncluding in
terfer
ence tha
t may c
ause
2. Thi
s devic e must acc
ept any in
ter fer ence
1. Thi s devic
e may not c
ause harmful in
terfer
ence
.
Operation is subject t
o the following conditions:
Thi s devic
e complies with Part 18 of the FC
C Rules
.
undesired op
era
tion.
WAR NING:
NOTICE:
Covers and Miscellaneous Parts - Non-SBK
127. NGC-1069-1 Cover, Left Side
128. NGC-1069-2 Cover, Right Side
129. NGC-1068 Cover, Top
130.
102752 Screw, #8-16 TORX HD
Security
131.
101688 Screw, #8 Serrated Phillips
TRHD, CRES
132. 102921 Screw, #8-32 x 3/8”, PPHD, SEM, Int Tooth, SS
133.
NGC-1071-2 Cover, Bottom Front
134.
100785
Leg, NGC, Black Plastic
100781
Leg, NGC, Stainless Steel
135. 101191 Hole Plug, 1/2” Dia, Black
136. NGC-1054-1 Assy, Keypad/Display, Cover, Standard
NGC-1054-2
Assy, Keypad/Display, Cover, Subway
137. NGC-1064-1 Rack, Standard (USA)
NGC-1274 Rack, Recessed (International) NGC-3064
Rack, Raised
138.
NGC-3037 Stone, Unglazed NGC-3038
Stone, Clear Glazed
NGC-3063 Stone, Fiber-Reinforced
139. NGC-1176-1 Label, Schematic (N. America) NGC-1176-2 Label, Schematic (UK/Ireland) NGC-1176-3
Label, Schematic (Eu/Asia/Pac 400VAC)
NGC-1176-4
Label, Schematic (Eu/Asia/Pac 230 VAC)
NGC-2020 Label, Schematic (Gen. Brazil)
140.
NGC-1177 Label, Service Assistance
141.
NGC-1148 Label, Caution Hot
142. 102962 Nut, KEPS HEX, #8-32, Ext
Tooth, CRES
143. NGC-1187 Pad, Abrasive Non-slip
144.
NGC-1082 Cover, Cooling Fan
FIGURE 46: COVERS AND MISCELLANEOUS PARTS - NON-SBK OVENS
x2
128
127
129
130
x3 per panel
131
x2
132
133
134
x4
x4
143
x4
135
136
137
138
140
139
141
142
x2
144
SERVICE PARTS AND ILLUSTRATIONS
77
Page 88
78
SERVICE PARTS AND ILLUSTRATIONS
-HOT-
CAU
TION
shock,
connect to properly gr
ounded outlets only.
electr
ique branche
z seulement a un
e prise
Pour assurer pr
otec tion con
tinue con
tre le cho
c
correc
tem
ent mise a t
err
e.
AVERTI
SSEMENT:
To provide con
tinued prot
ection against electrical
DHHS Feder
al Per for mance S
tandard 21 CFR 1030.1
0.
Thi s Ov
en complies with applic
able sections of
recei
ved , i ncluding in
terfer
ence tha
t may c
ause
2. Thi s devic e must acc
ept any in
ter fer ence
1. Thi s devic e may not c
ause harmful in
terfer
ence
.
Operation is subject t
o the following conditions:
Thi s devic
e complies with Part 18 of the FC
C Rules
.
undesired op
era tion.
WAR
NING:
NOTICE:
Covers and Miscellaneous Parts - SBK
145. NGC-1213-1 Cover, Left Side
146. NGC-1213-2 Cover, Right Side
147.
NGC-1211 Cover, Top
148.
102756 Screw, #8 x 1/2 Lg
TORX HD Security
149. 101691 Screw, #8 Serrated Phillips TRHD, CRES
150. 102922 Screw, #8-32 x 3/8”, PPHD, SEM, Int Tooth, SS
151.
NGC-1212 Cover, Bottom Front
152.
100784
Leg, NGC, SBK, 4” (qty 1)
153. 101191 Hole Plug, 1/2” Dia, Black
154. NGC-1054-3 Assy, Keypad/Display, Cover
155. NGC-3064 Rack, Raised
156. NGC-3038 Stone, Clear Glazed
157.
NGC-1176-1 Label, Schematic (USA) NGC-1176-2
Label, Schematic (UK/Ireland)
NGC-1176-3 Label, Schematic (Eu/Asia/Pac
400VAC)
NGC-1176-4 Label, Schematic (Eu/Asia/Pac
230 VAC)
NGC-2011-8
Label, Schematic (Latin America)
158.
NGC-1177
Label, Service Assistance
159. NGC-1148 Label, Caution Hot
160. 102962 Nut, KEPS HEX, #8-32, Ext Tooth, CRES
161.
NGC-1187
Pad, Abrasive Non-slip
162.
NGC-1082
Cover, Cooling Fan
FIGURE 47: COVERS AND MISCELLANEOUS PARTS - SBK OVENS
x2
146
145
147
148
x3 per panel
149
x2
150
151
152
x4
x4
161
x4
153
154
155
158
157
159
160
x2
162
156
Page 89
Comprehensive Part List
Page 90
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 Assembly, Keypad/Housing, Cover, SBK NGC-1054-3 47 Bearings, Bronze, 3/16 ID x 5/16 OD x 1/4 100059 30 Block, Hinge NGC-1061 26, 35 Block, Sealing, Blower Motor NGC-1024 38 Blower Motor NGC-1025 38 Bolt, 1/4-20 x 1.00 102945 35 Bracket, Stacking TC3-0323 None Cable, Ribbon, 26-Pin 100184 17 Cable, Smart Card Reader 100182 17 Cable, VF Display, 3-Pin 100193 17 Cap, Hole, Door 101191 26 Capacitor, HV (Europe, Asia-Pacific) NGC-3020-2 20 Capacitor, HV (Japan) 100207 20 Capacitor, HV (USA, Latin America, S. Korea) NGC-3020 20 Cart, TurboChef Oven, 18” NGC-1217-2 4 (Page 4) Cart, TurboChef Oven, 24” NGC-1217-1 4 (Page 4) Catalytic Converter NGC-1012 39 Channel, Door Handle NGC-1127 35 Clamp, Blower Seal NGC-1023 38 Cleaner, TurboChef Oven, Domestic 103180 None Cleaner, TurboChef Oven, International 103380 None Cleaner, Wave Guide Cover, Domestic 103183 None Cleaner, Wave Guide Cover, International 103383 None Clip, Catalytic Converter, Standard NGC-1030 39 Clip, Catalytic Converter, SBK NGC-1233 39 Cord, Power (Australia) 103195 None Cord, Power (Japan 1Ph) NGC-1390 None Cord, Power (Japan 3Ph) NGC-1383 None Cord, Power (NGC ED - Europe, Asia-Pacific) 100194 None Cord, Power (NGC EW - Europe, Asia-Pacific) 103187 None Cord, Power (UK, Ireland, Brazil) 100195 None Cord, Power (USA) 100187 None Cover, Bottom Front, Standard NGC-1071-2 46 Cover, Bottom Front, SBK NGC-1212 47 Cover, Cooling Fan NGC-1082 46, 47 Cover, Keypad/Display, Standard NGC-1040 17 Cover, Keypad/Display, SBK NGC-1209 17 Cover, Left Side, Standard NGC-1069-1 46 Cover, Left Side, SBK NGC-1213-1 47 Cover, Motor NGC-1081 38 Cover, Right Side, Standard NGC-1069-2 46 Cover, Right Side, SBK NGC-1213-2 47 Cover, Top, Standard NGC-1068 46 Cover, Top, SBK NGC-1211 47 Cover, Wave Guide NGC-3036 22 Diode, HV 100481 20 Display NGC-3023 17 Door, Standard NGC-3067 26, 35 Door, SBK NGC-3067-2 26, 35
79
COMPREHENSIVE PART LIST
Page 91
80
COMPREHENSIVE PART LIST
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) 100543 None Filter, EMI, 3Ph (Europe, Asia-Pacific, Korea, Japan) 100545 None Fuse, F1, 12 Amp 100592 38 Fuse, F2, 12 Amp 100592 38 Fuse, F3, 20 Amp 100599 20 Gasket, Convection Heater NGC-1043 38 Gauge, Door Switch (Adjustment Tool) NGC-1215 32 Grease, Food Grade, USDA H-1 NGC-3006 30 Guard, TurboChef Oven, Domestic 103181 None Guard, TurboChef Oven, International 103381 None Handle, Door, Standard 102750 35 Handle, Door, SBK NGC-1216 None Harness, Line Voltage (Europe, Asia-Pacific, Japan) NGC-1150-3 None Harness, Line Voltage (North America) NGC-1150-1 None Harness, Line Voltage (UK, Ireland, Brazil) NGC-1150-2 None Harness, Low Voltage, Old Switch Setup 100185 None Harness, Low Voltage, New Switch Setup NGC-1418 None Heater Element, IR NGC-3003 39 Heater, Convection NGC-3011 38 Hinge, Left 102805 26 Hinge, Right 102804 26, 31, 33, 34 Insulation, Door, 1 NGC-1125-1 35 Insulation, Door, 2 NGC-1125-2 35 Insulator, Adhesive NGC-1163 21 Keypad, OUT NGC-1110-4 17 Keypad, Standard NGC-1110-1 17 Keypad, SBK NGC-1110-3 17 Keypad, SWY NGC-1110-2 17 Label, Caution, Empty Cavity NGC-1165 35 Label, Caution, Hot NGC-1148 46, 47 Label, Precaution for Safe Use NGC-1138 35 Label, Schematic (Europe, Asia-Pacific, 230 VAC) NGC-1176-4 46, 47 Label, Schematic (Europe, Asia-Pacific, 400 VAC) NGC-1176-3 46, 47 Label, Schematic (USA) NGC-1176-1 46, 47 Label, Schematic (UK, Ireland) NGC-1176-2 46, 47 Label, Schematic, Standard (Latin America) NGC-2020 46 Label, Schematic, SBK (Latin America) NGC-2011-8 47
Service Assistance
Label,
Service Number
Label,
NGC-1177 46, 47
NGC-1170 35 Latch, Bracket NGC-1072 30 Latch, Spring Door NGC-1087 30 Leg, 4”, Black Plastic 100785 46 Leg, 4”, Standard, Stainless Steel 100781 46 Leg, 4”, SBK 100784 47 Leg, 7”, SBK Kit (4 legs) NGC-3068 47 Magnetron NGC-3015 20, 21 Motor Controller 100443 38 Nameplate, TurboChef NGC-1155 35 Nut, Crescent, Keps, Hex, #8-32, External Tooth 102692 46, 47
Page 92
COMPREHENSIVE PART LIST
81
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, #4-40 102960 17 Pad, Abrasive, Non-Slip NGC-1187 46, 47 Pin, Clevis, 3/16 Diameter x 1” Long 101119 30 Plate, Door Switch NGC-1126 30, 31, 33, 34 Plug, Hole, Black, 1/2” Diameter 101191 46, 47 Rack, Raised NGC-3064 46, 47 Rack, Recessed NGC-1274 46
Standard
Rack,
NGC-1064-1 46
Reader, Smart Card 100506 17 Relay, K1, Filament Transformers 101273 20 Relay, K2, HV Transformers 101273 20 Relay, K3, Monitor 101273 20 Relay, K4/K5, Solid State, Convection Heater/IR Element NGC-3005 38 Relay, K6, 208/240 Transformer Taps (USA
only)
101272 None
Relay, K7, Magnetron Fan, DNK NGC-3030-11 None Relay, K7, Magnetron Fan, OXXO NGC-3030-5 None Relay, K7, Magnetron Fan, SBK (USA) NGC-3030-3 20 Relay, K7, Magnetron Fan, SBK (Europe, Asia-Pacific MPh) NGC-3030-15 20 Relay, K7, Magnetron Fan, SBK (Europe SPh) NGC-3030-13 20 Relay, K7, Magnetron Fan, SBK (Indiana/North Carolina) NGC-3030-14 20 Relay, K7, Magnetron Fan, Standard (USA) NGC-3030-1 20 Relay, K7, Magnetron Fan, Standard (Europe, Asia-Pacific MPh) NGC-3030-4 20 Relay, K7, Magnetron Fan, Standard (Europe SPh) NGC-3030-7 20 Relay, K7, Magnetron Fan, Standard (Latin America) NGC-3030-12 20 Relay, K7, Magnetron Fan, SWY (USA) NGC-3030-2 20 Relay, K7, Magnetron Fan, SWY (Europe, Asia-Pacific MPh) NGC-3030-9 20 Relay, K7, Magnetron Fan, SWY (Europe, Latin America SPh) NGC-3030-6 20 Relay, K7, Magnetron Fan, TESCO NGC-3030-10 None Relay, K7, Magnetron Fan, WAWA NGC-3030-8 None Ring, E-clip 101296 30 Ring, Snap 101312 39 Screw, #4-40 x 5/8 102902 31 Screw, #4-40 x 3/4 101555 32 Screw, #4-40 x 1 1/8 101558 33, 34 Screw, #4-40 x 1 1/4 101557 29, 30 Screw, #6, Sheet Metal 100684 21 Screw, #8, Crescent, TRHD, Serrated Phillips 101688 35, 38, 39, 46 Screw, #8, Crescent, TRHD, Serrated Phillips, Black Oxide 101691 47 Screw, #8-16, Torx Security 102752 46 Screw, #8-16 x 1/2, Torx Security, Black Oxide 102756 47 Screw, #8-18, SS 101701 22 Screw, #8-32 x 3/8 102921 29, 30, 31, 32, 33, 34, 46 Screw, #8-32 x 3/8, PFH, CSK 102809 22, 26, 29, 32, 35 Screw, #8-32 x 3/8, PPHD, SEM, SS, Internal Tooth 102922 47 Screw, #8-32 x 3/8, Torx Security 102748 35 Screw, #8-32 x 1/2, Cap 101666 22 Screw, #10-32 x 1/2, SS, Hex 101381 26 Shield, Microwave NGC-1116 39
Page 93
82
COMPREHENSIVE PART LIST
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, 0.030 NGC-1344 32 Shim Tool, 0.060 NGC-1340 32 Shunt Plate, Door NGC-3021 35 Smart Card, Blank 100508 17 Smart Card, Programmed (call TurboChef for Part Numbers) Varied 17 Spacer, Aluminum, 1/2” 101954 17 Standoff, #8-32 F/F x 1” 101912 31 Standoff, #8-32, F/F x 1”, 5/16 Diameter 101914 33, 34 Standoff, #8-32, M/F x 5/16”, 1/4 Diameter 101915 33, 34 Stone, Baking, Fiber-Reinforced NGC-3063 46 Stone, Baking, Glazed, Clear NGC-3038 46, 47 Stone, Baking, Unglazed NGC-3037 46 Support, Frame NGC-1047 22 Switch, Door, Assembly NGC-3033 29, 32 Switch, Door (Component) 102012 29, 30, 31, 32, 33, 34 Tape, Aluminum 102698 35 Thermocouple, Electrical Compartment (EC) 700-1199 None Thermocouple, Cook Cavity (CC) NGC-1140 None Thermostat, High-Limit 102075 38 Thermostat, Magnetron 102070 21 Toggle, Latch NGC-1073 30 Transformer, Filament (USA, Korea) NGC-3061-1 20 Transformer, Filament (Europe, Asia-Pacific, Latin America) NGC-3061-2 20 Transformer, Filament (Japan) NGC-3061-3 20 Transformer, HV (USA, Latin America, Korea) NGC-3062-1 20 Transformer, HV (Europe, Asia-Pacific) NGC-3062-2 20 Transformer, HV (Japan) NGC-3062-3 20 Washer, Flat, #10 102140 26 Washer, Shim 102449 39 Washer, Split Lock, #10 102350 26 Wave Guide, Front NGC-3016 20, 22 Wave Guide, Rear NGC-3017 20, 22 Wire, Magnetron 100186 21
Page 94
For further information call:
800.90
TURBO or
+1 214-379-6000
Global Operations
4240 International Parkway Suite 10 5 Carrollton, Texas 75007
214.379.6000
PHONE
214.379.6085
FAX
turbochef.com
TM
Part Number: NGC-1007 / Revision G / August 2009
© 2009 TurboChef Technologies, Inc
.
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