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Model VI22 shown
A product of VULCAN-HART
Form 24591 (Rev. A, 12-98) Supercedes (5-97)
This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified. If you have attended a Vulcan Service School for this
product, you may be qualified to perform all the procedures
described in this manual.
This manual is not intended to be all encompassing. If you have
not attended a Vulcan Service School for this product, you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Vulcan Service Technician.
Reproduction or other use of this Manual, without the express
written consent of Vulcan, is prohibited.
SERVICE MANUAL
- NOTICE -
INDUCTION
COOKERS
MODEL
ML
VI2
114713
VI3
114714
VI22
114715
VI33
114716
VI23
114717
LOUISVILLE, KY 40201-0696
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Summary of Contents for Vulcan-Hart VI2
- Page 1 114717 Model VI22 shown - NOTICE - This Manual is prepared for the use of trained Vulcan Service Technicians and should not be used by those not properly qualified. If you have attended a Vulcan Service School for this product, you may be qualified to perform all the procedures described in this manual.
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Page 2: Table Of Contents
TROUBLESHOOTING ..............24 © VULCAN 1997, 1998... -
Page 3: General
INDUCTION COOKERS - GENERAL GENERAL INTRODUCTION Model VI2 is a single 2.2KW cooker. Model VI3 is a single 3KW cooker. Model VI22 is a double 2.2KW cooker. Model VI33 is a double 3KW cooker. Model VI23 is a double cooker with one 2.2KW cooker and one 3KW cooker. -
Page 4: Recommended Pans
INDUCTION COOKERS - GENERAL Recommended Pans Pans made of cast iron, enameled iron, or stainless steel with an iron inner layer are recommended. Stainless steel pans with 18-0, 18-8, 18-10, and 18-Cr material are acceptable if a magnet will attach itself to the pan and if the shape of the pan is acceptable. -
Page 5: Unusable Pans
INDUCTION COOKERS - GENERAL Unusable Pans Pans made of porcelain, earthenware, heat-resistant glass, copper, or aluminum are not recommended because they do not transfer heat from the magnetic induction field. TOOLS LOCATION • Standard set of hand tools Position the cooktop on a suitable level countertop •... -
Page 6: Specifications
INDUCTION COOKERS - GENERAL SPECIFICATIONS MODEL VOLTAGE PLUG MAX. BREAKER TYPE AMPS SIZE 208/60/1 6-20P 10.6 220/240/60/1 9.1/9.1 208/60/1 6-20P 14.6 220/240/60/1 12.3/12.5 VI22 208/60/1 6-30P 21.2 220/240/60/1 18.2/18.2 VI23 208/60/1 6-30P 25.2 220/240/60/1 21.4/21.6 VI33 208/60/1 6-30P 29.2 220/240/60/1 24.6/25.0 CLEANING WARNING: DISCONNECT ELECTRICAL POWER... -
Page 7: Removal And Replacement Of Parts
INDUCTION COOKERS - REMOVAL AND REPLACEMENT OF PARTS REMOVAL AND REPLACEMENT OF PARTS Remove controller board and potentiometer as TOP COVER outlined in “CONTROLLER BOARD, LED AND POTENTIOMETER”. WARNING: UNPLUG UNIT BEFORE SERVICING. Remove six screws securing inverter assembly to the base. Remove the screws securing the top cover to the back of the unit. -
Page 8: Fan Motors
INDUCTION COOKERS - REMOVAL AND REPLACEMENT OF PARTS FAN MOTORS WARNING: UNPLUG UNIT BEFORE SERVICING. Remove the top cover as outlined under “TOP COVER”. Disconnect the lead wire plug for the fan motor being removed. Units Built Before 11/14/97 Intake fan only: Snap off filters located underneath unit. -
Page 9: Controller Board, Led And Potentiometer
INDUCTION COOKERS - REMOVAL AND REPLACEMENT OF PARTS CONTROLLER BOARD, LED KNOB GASKET AND POTENTIOMETER WARNING: UNPLUG UNIT BEFORE SERVICING. Remove the controller board as outlined under WARNING: UNPLUG UNIT BEFORE SERVICING. “CONTROLLER BOARD, LED AND CAUTION: Certain components in this system POTENTIOMETER”. -
Page 10: High Voltage Board
INDUCTION COOKERS - REMOVAL AND REPLACEMENT OF PARTS Position the inverter coil on its side to access Reverse the procedure to install. the lead wires. Adjust power output as outlined under Disconnect the lead wires from the high voltage “POWER OUTPUT ADJUSTMENT”. board. -
Page 11: Emi Board
INDUCTION COOKERS - REMOVAL AND REPLACEMENT OF PARTS EMI BOARD THERMISTOR, TENSION SPRING AND SUPPORT WARNING: UNPLUG UNIT BEFORE SERVICING. CAUTION: Certain components in this system WARNING: UNPLUG UNIT BEFORE SERVICING. are subject to damage due to electro-static Remove the top cover as outlined under “TOP discharge during field repairs. -
Page 12: Service Procedures And Adjustments
INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS SERVICE PROCEDURES AND ADJUSTMENTS WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TEST OR MEASUREMENTS WHILE THE POWER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALL TIMES. IF TEST POINTS ARE NOT EASILY ACCESSIBLE, DISCONNECT POWER, ATTACH TEST EQUIPMENT AND REAPPLY POWER TO TEST. -
Page 13: Inverter Coil Test
INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS A reading greater than 2 meg ohms should Unplug power cord. be observed. It may take 10 to 15 seconds Remove the top cover as outlined under “TOP to reach this value. COVER”. To check collector/base of TR1 and TR2, Loosen the power cord strain relief connector keep VOM positive lead on the heatsink... - Page 14 INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS AMPERE DRAW AT SPECIFIC VOLTAGES FOR 208/60/1 UNITS @ #9 SETTING. NOTE: Chart is for single coil. UNITS WITH 208V/60HZ DATA PLATES SUPPLY VOLTAGE KW RATING OF COOKTOP ZONE DEMEYERE APOLLO SERIES 14.7 10.7 14.8 10.6...
- Page 15 INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS AMPERE DRAW AT SPECIFIC VOLTAGES FOR 220/240/60/1 UNITS AT @9 SETTING. NOTE: Chart is for single coil. UNITS WITH 220/240/60HZ DATA PLATES SUPPLY VOLTAGE KW RATING OF COOKTOP ZONE DEMEYERE APOLLO SERIES 12.8 12.5 12.4 12.3...
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Page 16: Access Hole Modification
INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS 10. Turn the potentiometer on the low voltage ACCESS HOLE board to obtain the correct current for the MODIFICATION applied voltage measured in Step 2. NOTE: Do not exceed current for applied voltage for specific test pan. - Page 17 INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS...
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Page 18: Transformer Test
INDUCTION COOKERS - SERVICE PROCEDURES AND ADJUSTMENTS Apply power to unit and check voltage at TRANSFORMER TEST transformer secondary plug as shown in diagram. WARNING: UNPLUG UNIT BEFORE SERVICING. Remove inverter coil as outlined in “INVERTER COIL”. Remove high voltage board as outlined in “HIGH VOLTAGE BOARD”. -
Page 19: Component Location
INDUCTION COOKERS - ELECTRICAL OPERATION COMPONENT LOCATION Units built before 11/14/97 have fans mounted inside the fan housing as illustrated below. Current production units have fans mounted directly to the base and a fan air deflector which directs air flow across the inverter assembly as shown in pictures. -
Page 20: Sequence Of Operation
INDUCTION COOKERS - ELECTRICAL OPERATION SEQUENCE OF OPERATION Cooktop has power applied. Circuit boards have power applied to them all the time the unit is plugged in and the receptacle is live. Low voltage board is monitoring input from controller board. Turn control knob clockwise to desired cooking level. -
Page 21: Plug Layout
INDUCTION COOKERS - ELECTRICAL OPERATION PLUG LAYOUT... -
Page 22: Wiring Diagram
INDUCTION COOKERS - ELECTRICAL OPERATION NOTE: To avoid EMI interference all wire leads WIRING DIAGRAM should be routed as far away as possible from the Double Heater inverter. Do not run power leads parallel to the control leads. - Page 23 INDUCTION COOKERS - ELECTRICAL OPERATION Single Heater NOTE: To avoid EMI interference all wire leads should be routed as far away as possible from the inverter. Do not run power leads parallel to the control leads.
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Page 24: Troubleshooting
INDUCTION COOKER - TROUBLESHOOTING TROUBLESHOOTING NOTE: Visually check boards for arcing or burn marks that could indicate a problem. SYMPTOM CAUSES Indicator light blinks and then goes Cooker needs to be reset. Reset cooktop by turning control knob off after 2-3 minutes. OFF, then ON to desired cooking level.
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