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Induction Cooktop

After SN (16000000)

Technical Service Manual

(With Parts and Exploded Views)

© WOLF APPLIANCE, INC.        •        2008 ALL RIGHTS RESERVED        •         809094          •         Revision C

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Summary of Contents for CT15I

Page 1: ...al Service Manual With Parts and Exploded Views WOLF APPLIANCE INC 2008 ALL RIGHTS RESERVED 809094 Revision C MELT HIG H OFF ON MELT HIG H OFF ON OFF ON SIM HIG H HI P OWE R OFF ON SIM HIG H HI P OWER HI P OWE R HIG H SIM OFF ON CL EA R O FF O 4 ...

Page 2: ......

Page 3: ...Induction Cooktop General Information 1 1 SECTION 1 GENERAL INFORMATION ...

Page 4: ...roduct and or property damage In addition please pay attention to the signal word NOTE which highlights especially important information within each section TECHNICAL ASSISTANCE If you should have any questions regarding a Wolf appliance and or this manual please contact Wolf Appliance Inc ATTN Service Department P O Box 44988 Madison WI 53744 4988 Customer Service Phone 800 332 9513 Technical Ass...

Page 5: ...ayout 3 5 36 Glass Controls Layout 3 6 Universal OFF Key 3 7 Element Operation 3 7 Hi Power Boost 3 7 Lock Mode 3 8 Idle Mode 3 8 Operation Mode 3 9 Timer Mode 3 10 Showroom Mode 3 11 Annunciator Setup 3 12 Diagnostic Mode 3 13 Error Mode 3 13 Section 4 Component Access and Removal Major Serviceable Components 4 2 Warnings and Cautions 4 2 Glass Top 4 3 Control Board 4 3 Inductor Plate 4 4 Pin Sup...

Page 6: ...e time of the unit s initial installation All Warranty and Service information collected by Wolf Appliance Inc is arranged and stored under the unit serial number and or the customer s name Please note that Wolf Appliance Inc requests that you have the model serial number available whenever contacting the factory or parts distributor See Figure 1 1 for serial tag layout See Figure 1 2 for serial t...

Page 7: ...op IS Integrated Steamer Cooktop IF Integrated Fryer Cooktop Size 15 15 inch wide unit 30 30 inch wide unit 36 36 inch wide unit Fuel E Electric I Induction G Natural Gas LP Propane Gas Propane Gas will be indicated by LP at the end of the model number Example CT36G S LP Feature U Unframed Finish S Classic Stainless Steel P Platinum Stainless Steel Not Available for Induction IM IG IS and IF B Car...

Page 8: ...ter to ensure that safe operating temperature of glass ceramic is never exceeded Illuminated touch controls with graduated control lighting and adjustable sound frequency and volume Hot surface indicator light in control panel Lock mode cooktop will be locked so that no elements can be turned on Universal off turns all elements off Countdown timer with one to 99 minute range CSA certified for US a...

Page 9: ...Induction Cooktop Installation Information 2 1 SECTION 2 INSTALLATION INFORMATION ...

Page 10: ...is needed after reviewing this section of the manual please refer to the Installation Guide or contact the Wolf Appliance Customer Service Department Electrical Requirements Induction Nominal Voltage Model CT15I 240 VAC 50 60 Hz 20 amp service 208 VAC 60 Hz 20 amp service Model CT30I CT30IU 240 VAC 50 60 Hz 40 amp service 208 VAC 60 Hz 40 amp service Model CT36I CT36IU 240 VAC 50 60 Hz 50 amp serv...

Page 11: ...mm wide clearance from the cooktop side edge to any combustible surface up to 18 457mm above the cooktop noted by shaded area C Minimum 1 25mm from rear wall Overhead Cabinet Dimensions D Minimum 18 457mm vertical distance from the counter top to the bottom of side cabinets within minimum side clearance E Minimum vertical distance between the counter top and combustible materials above the cooktop...

Page 12: ... Top View WIDTH 64 COOKTOP CUT OUT 13 3 8 340 COOKTOP DEPTH CUT OUT 19 1 4 489 2 1 2 MIN FRONT OF COUNTERTOP E 4 1 2 114 15 381 15 381 2 min 51 13 3 8 340 WIDTH 33 838 RECOMMENDED CABINET WIDTH 18 457 19 1 4 489 2 1 2 min 64 36 914 FLOOR TO HEIGHT 13 max 330 30 762 2 51 STANDARD COUNTER CUT OUT COUNTERTOP TO COMBUSTIBLE MATERIALS ABOVE COOKTOP CUT OUT TO COMBUSTIBLE MATERIALS BOTH SIDES COOKTOP CU...

Page 13: ...er to installation instructions provided with the built in oven for additional specifications See Figure 2 5 2 6 NOTE Locate the junction box within reach of the 48 1219 mm conduit and accessible when the cooktop unit is installed Figure 2 6 CT30I Counter top Cut Out NOTE Minimum clearance from both side edges of cooktop cut out to combustible materials up to 18 457mm above counter top Minimum cle...

Page 14: ...in reach of the 48 1219 mm conduit and accessible when the cooktop unit is installed 2 min 51 18 457 64 13 max 330 30 762 24 min 610 33 4 min 2 51 10 254 31 2 89 E 39 991 RECOMMENDED CABINET WIDTH 36 min 914 COUNTERTOP TO COMBUSTIBLE MATERIALS ABOVE COOKTOP CUT OUT TO COMBUSTIBLE MATERIALS BOTH SIDES 19 1 4 489 COOKTOP CUT OUT DEPTH 2 1 2 min 36 914 FLOOR TO HEIGHT STANDARD COUNTER 36 OVEN OPENING...

Page 15: ...alls of the base cabinet below A Wolf 30 762mm built in single oven may be installed below Model CT30IU For this installation unless the cabinets are deeper than 24 610mm it is recommended that the electrical supply be placed in the base cabinet to the right of the oven See Figure 2 9 2 10 NOTE Locate the junction box within reach of the 48 1219 mm conduit and accessible when the cooktop unit is i...

Page 16: ...t the bottom of the cooktop Minimum 6 1 4 159mm clearance is required between countertop and any combustible surface directly below the cooktop NOTE International units must also take the extra space required for the Terminal Box into consideration Figure 2 11 CT36IU Counter top Cut Out Top View Figure 2 12 CT36IU Counter top Cut Out 18 457 36 INCH OVEN OPENING 13 max 330 24 min 610 4 min 102 E 10...

Page 17: ...ntegrated module support for downdraft ventilation ISUPPORT is also required Contact your Wolf dealer for information on these accessory components Ventilation Options NOTE It is recommended that you operate the Wolf induction cooktop with either a Wolf cooktop ventilation hood downdraft system or Pro ventilation hood Contact your Wolf dealer for details The following is a list of ventilation unit...

Page 18: ...o the front edge of the counter top Check that all required clearances are met Attach the brackets to the bottom of the unit as shown in the illustration below Install the clamping screws into the bracket and tighten until the screws contact the underside of the counter top Do not overtighten the screws See Figure 2 10 NOTE Do not seal the cooktop to the counter top The cooktop must be removable i...

Page 19: ...Induction Cooktop Electronic Control 3 1 SECTION 3 ELECTRONIC CONTROL ...

Page 20: ...boards Generator Board The circuit board attached to the induction plate which provides power to inductors Induction Plate A metal plate that the inductors generator boards and filter boards are attached to Filter Board The circuit board which filters incoming power and passes it on to the generator Glass Keypad Assembly The assembly containing the display s keyboard and glass top Microprocessor A...

Page 21: ...ng by induction is a natural phenomenon discovered in the 19th century by several physicists among them Leön Foucault He discovered the induced currents that are named eddy currents Eddy currents are caused by a conductor such as a pot or pan intersecting a varying magnetic field created by the inductor hob These currents transform electromagnetic energy into heat The glass surface then remains re...

Page 22: ...ic coils whose internal resistance is not zero From the function keys you can control the electrical power supply to the transformer primary winding that generates a magnetic field This field induces currents at the bottom of the container placed on the cooking zone These induced currents immediately heat the container which transmits the produced heat to the food contained inside Cooking is perfo...

Page 23: ...OT 888 OFF ON MELT HIGH 1800 Watt with 3000 Watt Boost 1200 Watt 1200 Watt 1800 Watt with 3000 Watt Boost OFF ON SIM HIGH OFF ON HIGH CLEAR OFF 008 OFF ON MELT HIGH OFF ON MELT HIGH SIM HI POWER HI POWER HOT OFF ON SIM HIGH OFF ON HIGH CLEAR OFF 008 OFF ON MELT HIGH OFF ON MELT HIGH SIM HI POWER HI POWER HOT 15 Inductive Glass Controls Layout 30 Inductive Glass Controls Layout ...

Page 24: ...008 OFF ON MELT HIGH SIM HI POWER HI POWER OFF ON HIGH SIM HI POWER OFF ON MELT HIGH 1200 Watt 1800 Watt with 3000 Watt Boost 3000 Watt with 4000 Watt Boost HOT OFF ON SIM HIGH OFF ON HIGH CLEAR OFF 008 OFF ON MELT HIGH SIM HI POWER HI POWER OFF ON HIGH SIM HI POWER OFF ON MELT HIGH HOT 36 Inductive Glass Controls Layout ...

Page 25: ...ft inductor Boost is engaged and the middle back inductor Boost is engaged the 4000 W Boost will not work This power distribution can be seen in Figure 3 6 NOTE If one inductor is not on High these rules do not apply Hi Power Boost 15 and 30 Units Turn on and activate element as described on the previous page Touch HI POWER to boost the rear element wattage output from 1800W maximum to 3000W maxim...

Page 26: ...The unit will beep three times and the light within the Key symbol will illuminate See Figure 3 8 NOTE The unit cannot enter LOCK mode while elements are active An error tone will sound if this is attempted NOTE When the unit is powered up for the first time or if there was a power outage the unit will default to this mode Idle Mode After unlocking the control panel as described in Lock Mode the u...

Page 27: ...LEDs with a power level equivalent to 10 See Figure 3 13 6 Touching HI POWER pad activates the power boost LED in addition to the 16 Power Level Indicator LED s See Figure 3 14 NOTE If any other key not within the respective Control Zone is touched or if no other keypad is activated within 10 seconds the control shall return to the previous state before the last OFF ON keypad was initiated NOTE If...

Page 28: ...ctivation the timer will display 1 one minute The unit will increment decrement with the touch of the pad 1 count every 5 sec See Figure 3 15 If the key is held down for more the 3 intervals continuously and the count is divisible by 5 the display will increment decrement at a rate of 5 count per every 5 seconds Likewise if the key is held down for more then 3 intervals and the count is divisible ...

Page 29: ... minutes the Shr will return While in Showroom Mode all inductors will be disabled and all visual and audible feedback will function as normal To exit Showroom Mode From LOCK MODE Press and hold the front element MELT keypad for 5 seconds The controls will exit the showroom mode See Figure 3 17 The Controls will go through the start up sequence to indicate that the showroom mode has been exited NO...

Page 30: ... will show the current status of the volume frequency and change with the user s input 1 LED Low 8 LEDs Med and 16 LEDs High See Figure 3 20 As the volume frequency is adjusted the annunciator will beep with each change The beep will represent the volume frequency level that is currently displayed by the Power Level Indicator LEDs 4 The change will be aceepted if you touch the clear key for 3 seco...

Page 31: ...ror The error can be canceled but will re generate if the condition which caused the error still exists These errors will be displayed as a stationary LOCK KEY LED and an error code in the 3 digit display indicating a permanent error and will not allow the control to return to Stand By Mode Priority 2 Priority 2 errors will be displayed to the user only during an active operational mode or upon an...

Page 32: ...Induction Cooktop Electronic Control 3 14 NOTES ...

Page 33: ...Induction Cooktop Access and Removal 4 1 SECTION 4 COMPONENT ACCESS AND REMOVAL ...

Page 34: ... metal parts There may be sharp edges present COMPONENT ACCESS AND REMOVAL This section explains how to access and remove components from a Wolf Induction cooktop Depending on which component you are going to access or remove in the following sections you may have to remove some components first Refer to the appropriate section in this manual that explains how to access and remove those various co...

Page 35: ...consult removal 1 procedure in this section Disconnect the ribbon cables that connect the control 2 board to the inductor plate generator board Disconnect the J6 connector that provides power to 3 the cooling fan Now depress the tabs which mount the control 4 board to the pan assembly NOTE Applying a small amount of pressure under the board with your finger will help in dislodging the board from t...

Page 36: ...ides filtered power 5 to the control board See Figure 4 7 Now the inductor plate can be lifted out of the unit 6 NOTE If you are replacing ribbon cable to the inductor board the orientation at plate connector will always require the ribbon extend toward the outer edge of the board Pin Support Bracket Removal To gain access to the pin support bracket the inductor 1 plate s must be removed See Induc...

Page 37: ...the cooktop for additional information needed NOTE Care must be taken to protect glass surface from scratches or damage Place on protective surface After the unit has been removed from its installation 1 access to the fan is gained from the bottom of the unit Remove the three mounting screws from the fan 2 bracket using a Phillips Screw Driver See figure 4 11 The fan can now be removed from the in...

Page 38: ...Induction Cooktop Access Removal 4 6 NOTES ...

Page 39: ...Induction Cooktop Troubleshooting Guide 5 1 SECTION 5 TROUBLESHOOTING GUIDE ...

Page 40: ...d the controls exit the diagnostics mode and return to the Lock Mode NOTE While in Diagnostics Mode 1200W will refer to front 1200W coil for all sized cooktops and 3000W will refer to the control that operates the rear 3000W boost coil for all sized cooktops Upon entry to diagnostics the LED Test will automatically start To step through tests users will use the and keys of the 3000W coil The 3000W...

Page 41: ...and 3 to indicate each of the heatsink temperatures 36 has 3 30 has 2 and 15 has 1 5 To access each of the heatsink temperatures the user will touch the and keys of the 1200W control 1 LED Generator Board 1 Center board for 15 Right side of 30 or middle two coils of 36 units 2 LEDs Generator Board 2 Left board 30 36 units 3 LEDs Generator Board 3 Right board 36 units 6 A press of the key on the 30...

Page 42: ...is interpreted as 01 23 45 67 or 1 234 567 minutes as shown in the example to the left POWER CYCLING INFORMATION Sixth Test how many power cycles since unit originally energized 1 To enter Power Cycling Information touch the keypad of the 3000W element controls 2 The 3000W bar lights will show 7 LEDs and flash at a rate of 75 seconds ON and 25 seconds OFF 3 The timer display will show axx where xx...

Page 43: ... control to return to Stand By Mode Priority 2 Priority 2 errors will be displayed to the user only during an active operational mode or upon an attempt by the user to enter an operational mode The criteria for these errors is that they are likely to limit the proper functionality of the system and would normally cause some customer dissatisfaction These errors can be cancelled and will not be dis...

Page 44: ...mit 1 Ambient temp too high causing the generator heatsink sensor to alert control Action Remove Reduce external heat source 2 Induction generator failure Action Verify heatsink temp test 4 2 Bad generator board Action Change generator board 2 E3 Generator 2 Heatsink temperature is too high 2 E4 Generator 3 Heatsink temperature is too high 1 E5 Open ambient thermistor The cooktop will enter the Lo...

Page 45: ...yboard failure Action Verify key operation 2 Faulty cable connection Action Check J4 connection 3 Keyboard failure Action Change Glass Assy 3 E13 Shorted Key Failure A watchdog timer will be reset every key release If a key release is not seen for the determined debounce time the control will record the error and the effected burner will be unavailable until the shorted key error is corrected 1 Ke...

Page 46: ...sensor shorted The effected burner will shutdown Induction generator failure Action Change affected generator board 2 E41 Generator 2 Burner RL sensor shorted 2 E42 Generator 3 Burner RR sensor shorted 2 E43 Generator 1 Burner R RR RC sensor open The effected burner will shutdown Induction generator failure Action Change affected generator board 2 E44 Generator 2 Burner RL sensor open 2 E45 Genera...

Page 47: ...NDUCTION COOKTOP PROBLEM POSSIBLE CAUSE TEST ACTION HOT indicator stays on Glass Surface too warm Verify Glass Temp Below 50 C Check for other heat sources e g Sun warm pans setting on surface Check for Error Codes follow suggested action Electrical Noise spike Turn Breaker off for 5 min reset and try Defective Thermistor Check Resistance of Generator Thermistor see Figure 5 4 Bad Control Board Re...

Page 48: ...Induction Cooktop Troubleshooting Guide 5 10 NOTES ...

Page 49: ...Induction Cooktop Technical Data 6 1 SECTION 6 TECHNICAL DATA ...

Page 50: ...cabinet storage is to be provided the risk can be reduced by installing a range hood that protects horizontally a minimum of 5 127 mm beyond the bottom of the cabinets 1200 W Split 1800 W Quad 4000 W Quad Power level of LEDs Watts Watts Watts 0 Off 0 0 0 1 1 33 36 50 83 2 2 66 72 100 167 3 4 133 32 250 333 4 6 200 04 375 500 5 8 266 64 500 667 6 10 316 68 600 792 7 12 399 96 800 1000 8 14 600 1000...

Page 51: ...Induction Cooktop Wiring Diagrams 7 1 SECTION 7 WIRING DIAGRAMS ...

Page 52: ...agrams 7 2 Induction Plate Induction Plate Generator Board Filter Board Control Board TERMINAL BOX Keyboard Display Board Plug into each other J1 J3 J2 J6 J1 J4 L1 L2 L2 L1 L2 L1 GND L1 L2 GND 15 Induction Cooktop Wiring Diagram ...

Page 53: ...ring Diagrams 7 3 Terminal Box L1 L2 J1 Plug into each other J3 J2 J1 J4 J6 Control Board Generator Board Induction Plate Generator Board C3 5 C3 4 C3 3 C3 2 C3 1 Keyboard Display Board 30 Induction Cooktop Wiring Diagram ...

Page 54: ... Plate Terminal Box L1 L2 Filter Board Induction Plate Generator Board Generator Board Control Board J4 J6 J3 J2 J1 Generator Board Induction Plate Plug into each other Keyboard Display Board J1 Filter Board L1 L2 36 Induction Cooktop Wiring Diagram ...

Page 55: ...Induction Cooktop 8 1 Parts List w Exploded Views SECTION 8 PARTS LIST WITH EXPLODED VIEWS ...

Page 56: ...l PCB Assy Induction Com Board 4 811109 Spring Support 5 811110 Pin Mounting 6 811108 Pin Holder Bracket 7 811103 Fan Assembly 8 811104 Terminal Box and Grnd Wire International Only Not Shown Part Description 811105 Main Wiring Harness Control Board to Generator Fan 811107 14 Pin Harness Control Board to Keypad 811111 CT15I Terminal Block Wiring Harness 811746 Cooktop Fastener Hardware Kit ...

Page 57: ...Induction Cooktop 8 3 Parts List w Exploded Views 7 1 4 5 6 2 3 8 CT15I EXPLODED VIEW ...

Page 58: ...uction 30 3 811102 Control PCB Assy Induction Com Board 4 811109 Spring Support 5 811110 Pin Mounting 6 811108 Pin Holder Bracket 7 811103 Fan Assembly 8 811104 Terminal Box and Grnd Wire International Only Not Shown Part Description 811514 Main Wiring Harness Control Board to Generator Fan 811107 14 Pin Harness Control Board to Keypad 811112 CT30I Terminal Block Wiring Harness Box 2 required 8117...

Page 59: ...Induction Cooktop 8 5 Parts List w Exploded Views 7 8 1 4 5 6 2 3 CT30I CT30IU EXPLODED VIEW ...

Page 60: ...on 36 4 811102 Control PCB Assy Induction Com Board 5 811109 Spring Support 6 811110 Pin Mounting 7 811108 Pin Holder Bracket 8 811103 Fan Assembly 9 811104 Terminal Box and Grnd Wire International Only Not Shown Part Description 811106 Main Wiring Harness Control Board to Generator Fan 811107 14 Pin Harness Control Board to Keypad 811516 CT36I 2 Wire Terminal Block Wiring Harness Box 811515 CT36I...

Page 61: ...Induction Cooktop 8 7 Parts List w Exploded Views CT36I CT36IU EXPLODED VIEW 5 6 7 1 2 3 4 8 9 ...

Page 62: ...Induction Cooktop Parts List w Exploded Views 8 8 NOTES ...

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