Whirlpool 30" ELECTRIC MODULARDOWNDRAFT COOKTOP Service Manual Download Page 47

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5-5

Cooking Products Service Manual
Original April, 1996

4321972

Page 5-5

STRIP CIRCUITS

RADIANT ELEMENT

COIL ELEMENT

GRILL ELEMENT

INFINITE

SWITCH

INFINITE

SWITCH

RADIANT

ELEMENT

SENSOR

“ON”

INDICATOR

INFINITE

SWITCH

INFINITE

SWITCH

COIL

ELEMENT

“ON”

INDICATOR

INFINITE

SWITCH

INFINITE

SWITCH

GRILL

ELEMENT

FAN MOTOR

“ON”

INDICATOR

GRILL

ELEMENT

SHUNT

Summary of Contents for 30" ELECTRIC MODULARDOWNDRAFT COOKTOP

Page 1: ...Printed in U S A LIT 4321972 February 1996 SERVICE MANUAL for the 30 ELECTRIC MODULAR DOWNDRAFT COOKTOP ...

Page 2: ... IS DESIGNED TO BE USED ONLY BY QUALIFIED SERVICE PERSON NEL THE SERVICE INFORMATION IS OR GANIZED TO HELP YOU EASILY FIND WHAT YOU NEED CHECK YOUR LOCAL BUILDING CODE FOR THE PROPER MODE OF INSTALLATION IN THE ABSENCE OF LOCAL CODES THIS UNIT SHOULD BE INSTALLED IN ACCORDANCE WITH THE NATIONAL ELECTRICAL CODE ANSI NFPA NO 70 1990 OR C22 1 CANA DIAN ELECTRICAL CODE PART 1 ...

Page 3: ...3 1 Removing The Control Panel The Surface Unit Indicator Light 3 2 Removing The Control Switch 3 3 Removing The Maintop 3 4 Removing The Cooktop 3 4 Removing A Terminal Block 3 6 Removing The Fan Motor 3 7 Module Components 3 8 The Ceramic Surface Unit RCM30DB Q Removing The Glass Element Or Limiter 3 8 The Coil Surface Unit RCM10DB Q Removing A Coil Element Connector 3 10 The Grill RCM20DB Remov...

Page 4: ...bove the cooktop install a range hood to the bottom of the cabinet to prevent reaching over the heated cooking surface The range hood should stick out a minimum of 5 inches 12 7 cm from the front of the cabinets Reaching over a heated cooking surface could result in a serious burn or other in jury Copies of the standards listed above may be obtained from WARNING This service manual is intended for...

Page 5: ...op s plenum The location where the cooktop is installed should be away from strong draft areas such as windows doors and strong heating vents or fans The venting duct must terminate outdoors All openings in the wall or floor where the cooktop is to be installed must be sealed This appliance is not approved for use in mo bile homes INSTALLATION HIGHLIGHTS COOKTOP DIMENSIONS 29 7 8 75 9 cm width 21 ...

Page 6: ...minimum when bottom of wood or metal cabinet is protected by not less than 1 4 flame retardant millboard covered with not less than 28 MSG sheet steel 0 015 stainless steel 0 024 aluminum or 0 020 copper 30 76 2 cm minimum clearance between the top of the cooking platform and bottom of unprotected wood or sheet metal CUTOUT DIMENSIONS 27 7 8 73 3 cm cutout width 15 16 2 4 cm minimum distance to ba...

Page 7: ... Safety glasses Measuring tape Duct tape NOT SHOWN Wall or roof cap Metal ductwork 2 sheet metal screws to attach transition duct to venting adapter Two U L listed 1 2 conduit connectors Flexible armored or nonmetallic sheathed copper cable with grounding wire that con forms to existing codes see Electrical Sup ply Requirements on page 1 11 Twist on connectors number and size de pends on installat...

Page 8: ...sition fol lowed by a 6 elbow or a 5 to 3 1 4 x10 elbow transition Do not reduce the duct work back to a 5 system after using 6 or 3 1 4 x10 fit tings Do not form handmade crimps They can restrict airflow Use recommended duct caps If an alter nate wall or roof cap is used be certain that the cap size is not reduced and that it has a backdraft damper Use duct tape to seal all joints in the duct sys...

Page 9: ...ninsula peninsula or island Determine the best type of venting method to use The cooktop can be vented through the rear wall or through the floor Common vent ing methods and the types of material needed are shown below and on the following page Make sure that there is proper clearance within the wall or floor for the exhaust duct before making cutouts 28 7 8 73 3 cm 20 7 8 53 cm opening for ventin...

Page 10: ... 5 to 6 round metal transistion 6 round 90 PVC sewer pipe elbow window well Tightly pack gravel or sand completely around pipe wall cap 6 round 90 PVC sewer pipe elbow 6 round PVC coupling 12 30 5 cm minimum Tightly pack gravel or sand completely around pipe 6 round 90 PVC sewer pipe elbow 30 9 1 m maximum Optional Duct Arrangement Through Window Well Under Concrete Slab Optional Duct Arrangement ...

Page 11: ...r must be set to operate at the High range see page 1 9 Do not change the blower to High if the equivalent duct length is under 30 feet This will cause excessive noise and condi tioned air loss To use the following chart list the number of each piece and the length of straight ductwork that you intend to use Multiply the equivalent length by the number of pieces Add the totals to get the total equ...

Page 12: ...0 cm Total equivalent length 23 ft 701 5 cm Blower can be left at low range factory set ting NOTE Flexible metal duct is not recommended If it is used calculate each foot as two feet of straight metal duct Flexible metal elbows count twice as much as standard elbows Example Total equivalent length 43 ft 1311 2 cm Blower must be set at high range by removing the restrictor ring see page 1 9 NOTE Fl...

Page 13: ...e the equivalent length of duct see the chart on page 1 7 If the length is not more than 30 feet 9 1 m leave the blower set at the current low range If the duct length exceeds 30 feet use the fol lowing procedure and remove the restrictor ring from the blower set it to the high range a Remove the air grille and filter from the blower housing b Press in on one of the spring clips that hold the rest...

Page 14: ...er to connect the cooktop power supply wiring before it is installed in the cabinet If so connect the conduit coming from the cooktop to the electrical junction box at this time see pages 1 11 through 1 14 Otherwise install the cooktop first and then connect the electrical wiring 3 Install the cooktop in the countertop cutout and center it Make sure that the front edge of the cooktop is at least 1...

Page 15: ...rdinances Wire sizes and connections must conform with the rating of the appliance Copies of the standards listed above may be obtained from National Fire Protection Association Batterymarch Park Quincy Massachusetts 02269 The appliance should be connected directly to the fused disconnect or circuit breaker through flexible armored or nonmetallic sheathed copper cable with grounding wire The flexi...

Page 16: ...x 2 Remove the junction box cover from the junction box inside the cabinet 3 Remove the cooktop junction box cover located on the right side of the cooktop 4 Use a U L listed conduit connector to con nect the appliance cable to the junction box inside the cabinet 5 Remove the knockout on the side of the cooktop junction box that fits the size of the appliance cable 6 Use a U L listed conduit conne...

Page 17: ...are and white appliance cable wires to the white neutral power supply wire 2 Carefully check each connection and make sure that it is secure and that no bare wires can short together 3 Twist a wire connector over the free ends of the white wires 4 Position the wires inside the junction box and install the cover UNGROUNDED NEUTRAL 1 Connect the white appliance cable wire to the white neutral power ...

Page 18: ...to the green grounding power supply wire 3 Twist wire connectors over the free ends of the white and green wires IMPORTANT Do not connect the bare grounding wire to the white neutral wires in the junc tion box 4 Carefully check each connection and make sure that it is secure and that no bare wires can short together 5 Position the wires inside the junction box and install the cover red wires bare ...

Page 19: ...t was sup plied with the cooktop s printed material 6 Place the flow tester card on top of the cooktop so that the edge of the dotted line labeled cooktop models is aligned with the edge of the blower intake on the left side of the cooktop near the center 7 Turn on the fan switch If the downdraft vent system is operating properly the blower should pull the flow tester card into the air intake of t...

Page 20: ...1 16 NOTES ...

Page 21: ...perature The exhaust vent fan can be activated by the manual fan switch during the operation of the coil module The coil module consists of one 6 and one 8 element The elements are controlled by an infinite switch When a switch is turned to the Low Me dium or High position contacts L1 to H1 and L2 to H2 close and provide 240 volts to the element At the same time contacts L1 to P close and provide ...

Page 22: ...same time contacts L1 to P close and provide 120 volts to the surface unit indicator light A resistor inside the switch also energizes and creates a heat load which opens cycling contacts L2 to H2 This controls the element s on time and therefore its operating temperature The exhaust vent fan can be activated by the manual fan switch during operation of the ceramic glass module L2 L1 P H2 H1 1A 2A...

Page 23: ... provides 120 volts to the fan motor The voltage is supplied to the fan motor through a metal shunt or jumper that is located on the plug of the grill module A 2800 watt grill module is available for use in this cooktop The grill consists of a front and rear element that are controlled by the infinite switches Both a front and a rear infinite switch must be turned on to obtain full area operation ...

Page 24: ... through a metal shunt or jumper in the plug of the grill element and the fan motor will operate automatically MANUAL OPERATION The fan motor is operated by a fan switch that is located on the control panel of the cooktop When the switch is turned ON contacts BK to BR close and provide 120 volts to the fan motor L1 N FAN SWITCH FAN MOTOR BK BR W ...

Page 25: ...ER OPTIONAL GRIDDLE AIR GRILLE OPTIONAL CERAMIC SURFACE UNIT OPTIONAL COIL SURFACE UNIT MODEL RC8720 USES NON REMOVABLE SURFACE UNITS CONTROL PANEL VENT CHAMBER DRAIN JARS MODEL RC8720 USES ONLY ONE JAR OPTIONAL GRILL ELEMENT GRILL ROCKS GRATES BASINS AIR INTAKE VENT COMPONENT ACCESS FAN CONTROL LF CONTROL LR CONTROL RR CONTROL RF CONTROL SURFACE UNIT INDICATOR ...

Page 26: ... Remove the control panel from the cooktop If you are replacing the panel remove the rubber grommet from the fan shaft hole and install it in the new panel O F F F A N O N RUBBER GROMMET CONTROL PANEL 4 Remove the two torx screws from the fan control SHORT TORX SCREW FAN CONTROL CONTROL COVER SHORT TORX SCREW 5 Remove the four hex head screws from the control cover and lift the cover off the cookt...

Page 27: ...result in electrical shock or other personal injury CAUTION Personal Injury Hazard When you work on the cooktop be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 1 Remove the control cover use the proce dure shown on page 3 2 2 Disconnect the wires from the old control switch and reconnect them to the new one BR Y OR BK R BK B...

Page 28: ...2 Remove the modules accessories and air grille from the cooktop and set them aside NOTE If the fan motor is supported by some thing other than the cooktop remove the six screws from the top of the vent housing see below to release it from the cooktop This will make it easier to remove the cooktop from the cabinet without disturbing the ductwork 3 Raise the cooktop just enough to slide two boards ...

Page 29: ...WS 4 CONTROL COVER 7 Remove the 10 screws shown in the illus tration and lift the top off the burner box REASSEMBLY NOTE When you install the control cover first secure the left mounting hole of each element control to the cover with a short torx screw Make sure that you align the right mounting holes after you tighten the screws so that you can install the longer torx screws later Also use two sh...

Page 30: ... countertop 2 To remove the rear terminal block re move the seven indicated hex head screws To remove the front terminal block remove the two indicated torx screws and the four hex head screws from the burner box then remove the three hex head screws from the front terminal block 3 Lift the end of the cooktop just enough to remove the terminal block you are servic ing REAR MOUNTING BRACKET FRONT M...

Page 31: ...areful 1 Turn off the electrical power to the cooktop 2 Remove the four hex head nuts from the fan motor 3 Unplug the quick disconnects from the fan motor and remove the motor from the vent housing 4 Loosen the setscrew on the fan drum hub and slide the fan drum off the shaft of the old motor 5 Remove the three cover mounting screws and remove the old motor and strain relief from the motor cover t...

Page 32: ...are not careful 3 Remove the seven hex head screws from around the ceran glass frame and lift it off the base 4 If you are replacing the ceran glass re move the eight clips and push the old glass out of the frame then install the new glass and clips Make sure that you install the new glass with the large ele ment outline toward the raised opening in the frame 1 Turn off the electrical power to the...

Page 33: ... element out of the base and install the new one in its place with the terminals positioned the same as the old one 6 One at a time disconnect the wires from the terminals of the old element and re connect them to the same terminal loca tions on the new one 7 Lift the element with the defective limiter so you can access the bottom and re move the screws from the old limiter then pull the sensing t...

Page 34: ...ool 3 To remove a coil element lift the front of the coil element unplug it from the con nector and remove it 4 To replace the coil element connector remove the coil module from the cooktop COIL MODULE 5 Remove both coil elements see step 3 as well as the reflector bowls from the module 6 Remove the seven hex head screws from around the coil module top and lift it off the base 7 Remove the termina...

Page 35: ...al April 1996 4321972 1996 Whirlpool Corporation Page 3 11 OPENING COIL MODULE TOP COIL ELEMENT CONNECTOR COIL ELEMENT CONNECTOR SCREW BASE BASE SCREW 7 TERMINAL BLOCK PRONG WIRE SCREW PRONG INSULATOR PIN MOUNTING BRACKET MOUNTING BRACKET SCREW ...

Page 36: ...personal injury CAUTION Personal Injury Hazard When you work on the cooktop be careful when handling the sheet metal parts Sharp edges may be present and you can cut yourself if you are not careful 1 Turn off the electrical power to the cooktop 2 Make sure that the grill element is cool 3 To remove the grill element remove the grill grates from the cooktop 4 Unplug the grill element and remove it ...

Page 37: ...emove it from the cooktop 3 Remove the seven hex head screws from around the module top and lift it off the base 4 Remove the terminal block mounting bracket screw from the bottom of the base 5 Slide the mounting bracket and the insu lator away from the terminal block 6 Replace the defective part 7 Reassemble the terminal plug connector so that the pin and prongs fit into their terminal block open...

Page 38: ...3 14 NOTES ...

Page 39: ...l Shock Hazard TROUBLESHOOTING CONTROL SWITCH Electrical Shock Hazard Disconnect from electrical supply before ser vicing unit Failure to do so could result in electrical shock or other personal injury WARNING Test Procedure Refer to page 3 3 for the procedure for servic ing a control switch To test a switch perform the following steps 1 Use an ohmmeter and set the range switch to R x 1 2 With no ...

Page 40: ...e element terminals 3 You should obtain the reading for the indicated element Electrical Shock Hazard Disconnect from electrical supply before ser vicing unit Failure to do so could result in electrical shock or other personal injury WARNING Test Procedure Refer to page 3 8 for the procedure for servicing a limiter To test a limiter perform the following steps 1 Use an ohmmeter and set the range t...

Page 41: ...eading for the indicated element Electrical Shock Hazard Disconnect from electrical supply before ser vicing unit Failure to do so could result in electrical shock or other personal injury WARNING Test Procedure Refer to page 3 12 for the location of the elements and the procedure for servicing them To test an element perform the following steps 1 Use an ohmmeter and set the range switch to R x 1 ...

Page 42: ...nnection at element or terminal block Defective cooktop control switch Line voltage should be minimum 240 volts Electrician should re pair cause for low line voltage Test and or replace element Defective cooktop element Low line voltage Element will not heat higher than low medium Customer using improper cookware Defective cooktop control switch Evaluate suitability of cookware Test and or replace...

Page 43: ... BR V Y V Y BK BR W BR OR H1 H2 L2 P L1 BL BL BL W GN GREEN WHITE BLACK RED R R R BK OR OR BR H1 P L1 LR INFINITE SWITCH H2 L2 LF INFINITE SWITCH LR INFINITE SWITCH LF INFINITE SWITCH LF ELEMENT LR ELEMENT BK BR BR BR OR H1 H2 L2 P L1 BK OR BR BR H1 P L1 LR INFINITE SWITCH H2 L2 LF INFINITE SWITCH RR INFINITE SWITCH RF INFINITE SWITCH RF ELEMENT RR ELEMENT SCHEMATIC DIAGRAM Model RC8700ED TECH TIP...

Page 44: ...Y BR V BR Y R OR BK R OR BK R OR BK R W W GN N WHITE L2 RED L1 BLACK GND GREEN LR INF SWITCH RR ELEMENT GRILL ELEMENT SHUNT GRILL ELEMENT SHUNT RIGHT GRILL RECEPTACLE LEFT GRILL RECEPTACLE RF ELEMENT P L1 L2 H2 H1 LF INF SWITCH P L1 L2 H2 H1 RR INF SWITCH P L1 L2 H2 H2 RF INF SWITCH P L1 L2 H2 H1 H1 LR ELEMENT LF ELEMENT ...

Page 45: ...AN MOTOR INDICATOR LIGHT BK BR BR BR V Y V Y Y BK BR W BR OR H1 H2 L2 P L1 BK BL W GN GREEN WHITE BLACK RED R R R BK OR OR BR H1 P L1 LR INFINITE SWITCH H2 L2 LF INFINITE SWITCH LR INFINITE SWITCH LF INFINITE SWITCH LF ELEMENT LR ELEMENT BK V V OR H1 H2 L2 P L1 BK OR Y H1 P L1 LR INFINITE SWITCH H2 L2 LF INFINITE SWITCH RR INFINITE SWITCH RF INFINITE SWITCH RF ELEMENT RR ELEMENT ...

Page 46: ... BR V Y Y Y BK BR V BR Y V V Y Y R OR BK R OR BK R OR BK R W W GN N WHITE L2 RED L1 BLACK GND GREEN LR INF SWITCH RR ELEMENT GRILL ELEMENT SHUNT LEFT GRILL RECEPTACLE RF ELEMENT P L1 L2 H2 H1 LF INF SWITCH P L1 L2 H2 H1 RR INF SWITCH P L1 L2 H2 RF INF SWITCH P L1 L2 H2 H1 H1 LR ELEMENT LF ELEMENT ...

Page 47: ...RILL ELEMENT L1 N L2 P H1 BK BR O W Y R L1 H2 2A 1A L2 INFINITE SWITCH INFINITE SWITCH RADIANT ELEMENT SENSOR ON INDICATOR L1 N L2 P H1 L1 BK BR O W Y R H2 L2 INFINITE SWITCH INFINITE SWITCH COIL ELEMENT ON INDICATOR L1 N L2 P H1 L1 H2 L2 INFINITE SWITCH INFINITE SWITCH GRILL ELEMENT FAN MOTOR ON INDICATOR GRILL ELEMENT SHUNT BK BR O W W Y R BL ...

Page 48: ...w Countertop 16 7 16 16 7 16 Cooktop Features Right Bay Open Open Left Bay Open Open Number of Bays Convertible Double Convertible Double Convertible Control Location Right Side Right Side Indicator Light On Off On Off Control Type Standard Mechanical Standard Mechanical Blower 300 CFM 300 CFM Blower Switch On Off Dial On Off Dial Other Specifications Total Connected Load 7 7 kW 7 7 kW Electrical ...

Page 49: ...DB Grill Grate Black Black Grill Grate Finish Whitford Whitford Dual Circuit Grill Element Yes 2800 Watts Yes 2800 Watts Automatic Blower w Grill Yes Yes Approximate Weight 12 Lbs 12 Lbs Accessory Grill Cover RCM50DB RCM50DQ Accessory Griddle RCM40DB RCM40DB Approved Modules 2 Element Radiant Ceran RCM30DB RCM30DQ Quick Start Series 7 Elements Yes Yes Front 8 Element 1800 Watts 8 Element 1800 Watt...

Page 50: ... Coil with 5 Turns 6 Coil with 4 Turns 8 Coil with 5 Turns 6 Coil with 4 Turns Right Front 8 Element 2100 Watts 8 Element 2100 Watts Right Rear 6 Element 1250 Watts 6 Element 1250 Watts Number of Bays Convertible Single Convertible Single Convertible Control Location Right Side Right Side Indicator Light On Off On Off Removable Coils Bowls Yes Yes Control Type Standard Mechanical Standard Mechanic...

Page 51: ...Grill Grate Black Black Grill Grate Finish Whitford Whitford Dual Circuit Grill Element Yes 2800 Watts Yes 2800 Watts Automatic Blower w Grill Yes Yes Approximate Weight 12 Lbs 12 Lbs Accessory Grill Cover RCM50DB RCM50DQ Accessory Griddle RCM40DB RCM40DQ Approved Modules 2 Element Radiant Ceran RCM30DB RCM30DQ Quick Start Series 7 Elements Yes Yes Front 8 Element 1800 Watts 8 Element 1800 Watts R...

Page 52: ...Y TO COOKTOPS 0 THRU 1 STANDARD PORCELAIN 2 THRU 5 CONTINUOUS CLEAN 6 THRU 9 PYROLYTIC SELF CLEAN FEATURE VARIATIONS 3 SEALED BURNER GLASS TOP 4 BUILDER CERAMIC COOKING SURFACE 5 HIGH SPEED COIL ELEMENT 6 RETAIL CERAMIC COOKING SURFACE 7 SOLID ELEMENT WITHOUT TOUCH CONTROL 8 OPEN COIL ELEMENTS WITH TOUCH CONTROL 9 SOLID ELEMENTS WITH TOUCH CONTROL DOOR TYPE DOES NOT APPLY TO COOKTOPS B SOLID BLACK...

Page 53: ...isuse fire flood acts of God or use of products not approved by Whirlpool E Repairs to the ceramic cooktop if it has not been cared for as recommended in the Use And Care Guide F Repairs to parts or systems caused by unauthorized modifications made to the appliance WHIRLPOOL CORPORATION SHALL NOT BE LIABLE FOR INCIDENTAL OR CONSEQUENTIAL DAMAGES Some states do not allow the exclusion or limitation...

Page 54: ...5 12 NOTES ...

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