Page 2 - TABLE OF CONTENTS
FULL SIZE ELECTRIC CONVECTION OVENS F25105 (Rev. A, October 2007) Page 2 of 60 TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Introduction . . . . . . . . . . ...
Page 4 - GENERAL
FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL F25105 (Rev. A, October 2007) Page 4 of 60 GENERAL INTRODUCTION Procedures in this manual will apply to all models unless specified. Pictures and illustrations can be of any modelunless the picture or illustration needs to be model specific. Models MODEL ...
Page 5 - SPECIFICATIONS
FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL F25105 (Rev. A, October 2007) Page 5 of 60 SPECIFICATIONS Electrical MODEL TOTAL POWER (KW) AMPERAGE - 3 PHASE/ 60HZ PER LINE 1 RECOMMENDED CIRCUIT PROTECTION 2 208V 240V 480V 208V 240V 480V VC4ES VC4EDVC4EC VC6ES VC6EDVC6EC 12.5 35 33 15 45 40 20 NOTES: ...
Page 6 - REMOVAL AND REPLACEMENT OF PARTS; COVERS AND PANELS
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 6 of 60 REMOVAL AND REPLACEMENT OF PARTS COVERS AND PANELS Top Front Cover 1. The top front cover is secured with four (4)screws, two on each side of cover. Removethese screws then remove the cov...
Page 7 - CONTROL PANEL
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 7 of 60 Left Side Panel 1. Remove the screws which secure the left sideof the top front cover, bottom front cover andcontrol panel. 2. Remove the seven screws securing the left sidepanel. 3. Pull...
Page 8 - TEMPERATURE PROBE
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 8 of 60 COMPONENT PANEL COMPONENTS Removable Components 1. Remove the right side panel as outlined underCOVERS AND PANELS. NOTE: If right side panel is not accessible, this component can be servi...
Page 9 - HEATING ELEMENTS
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 9 of 60 5. Remove probe by pushing it through the ovenwall and into the control panel area. NOTE: The hole in the oven cavity wall does not line up straight with the oven cavity outer shell, ther...
Page 10 - BLOWER AND MOTOR
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 10 of 60 LEFT SIDE ELEMENTS SHOWN NOTE: The mounting bracket is sealed with RTV which may still hold the element after the screws areremoved. Also, in some cases, the ring terminalconnected to th...
Page 11 - DOOR SWITCH
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 11 of 60 1) Reverse procedure to install andadjust blower position as outlinedunder BLOWER ADJUSTMENT inSERVICE PROCEDURES ANDADJUSTMENTS. B. Motor - perform step 3A and continueprocedure. 4. Rem...
Page 12 - DOOR WINDOW; OVEN DOORS AND BEARINGS
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 12 of 60 4. Reverse procedure to install the replacementswitch and check for proper adjustment asoutlined under DOOR SWITCH ADJUSTMENTin SERVICE PROCEDURES ANDADJUSTMENTS. DOOR WINDOW 1. Remove t...
Page 13 - OVEN DOORS
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 13 of 60 3. Remove the lower door seal strip to expose themounting screws of the door assembly. 4. Remove the two (2) lower sill bolts by the lowerdoor shaft and the four (4) counter-sunk screwsf...
Page 14 - ROLLER LATCH ASSEMBLY; DOOR CATCH ROLLER
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 14 of 60 NOTE: The door assembly is heavy and will drop down once the last screw is removed. If removingdoor assembly with-out assistance, use caution. 5. Lift up on the door assembly and swing t...
Page 16 - INTERIOR LIGHTS; COOLING FAN
FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (Rev. A, October 2007) Page 16 of 60 NOTE: Remove the old RTV sealer from the cover and mating surfaces inside the oven cavity and applynew high temperature RTV sealer before installing.4. Reverse procedure to install. INTE...
Page 17 - SERVICE PROCEDURES AND ADJUSTMENTS; SOLID STATE TEMPERATURE
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 17 of 60 SERVICE PROCEDURES AND ADJUSTMENTS Certain procedures in this section require electrical test or measurements while power is applied to the machine. Exercise extreme caution at all ti...
Page 18 - THERMOSTAT CALIBRATION
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 18 of 60 NOTE: Allow the oven to cycle at least two times betweenadjustments before performingthe calculation. a) If the average temperaturestill differs more than 10 °Ffrom the dial setting, ...
Page 21 - BLOWER ADJUSTMENT
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 21 of 60 BLOWER ADJUSTMENT 1. Remove the blower motor and mounting assembly by following steps 1 through 7 as outlined under BLOWERAND MOTOR in REMOVAL AND REPLACEMENT OF PARTS. 2. Loosen the ...
Page 22 - DOOR ADJUSTMENT; DOOR STRIKE ADJUSTMENT
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 22 of 60 DOOR ADJUSTMENT 1. Check the doors to make sure they have anequal gap between them and that the verticaledge of the door is parallel to the vertical doorseal. If the doors are not pos...
Page 24 - DOOR SWITCH ADJUSTMENT; DOOR CHAIN ADJUSTMENT
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 24 of 60 DOOR SWITCH ADJUSTMENT 1. Remove the top front cover as outlined underCOVERS AND PANELS in REMOVAL ANDREPLACEMENT OF PARTS. 2. Door operation: A. Independent doors - The switch actuat...
Page 25 - COMPUTER CONTROL
FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (Rev. A, October 2007) Page 25 of 60 C. Tighten right turnbuckle. D. Tighten locknuts on both turnbuckles. 5. If the right door leads the left door by more than3/8 inch: A. Loosen locknuts on both turnbuckles. B. Loosen ...
Page 29 - ELECTRICAL OPERATION; COMPONENT FUNCTION
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 29 of 60 ELECTRICAL OPERATION COMPONENT FUNCTION Power Switch (S1) . . . . . . . . . . . . . Determines the mode of operation; ON, OFF, or COOL DOWN. Oven Light Switch (S2) . . . . . . . . . Controls the ov...
Page 30 - COMPONENT LOCATION
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 30 of 60 Temperature Probe . . . . . . . . . . . . Senses the oven temperature for the solid state temperature control or thecomputer control. On oven models using the solid state control, convertsthe tempe...
Page 34 - SEQUENCE OF OPERATION
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 34 of 60 SEQUENCE OF OPERATION VC4ES, VC6ES with Mechanical KX Thermostat Schematic diagram 6532 will be used to explain theelectrical sequence of operation. Cook Cycle 1. Conditions. A. Oven connected to c...
Page 37 - SCHEMATICS
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 37 of 60 SCHEMATICS VC4ES, VC6ES with Mechanical (KX) Controls, 208-240V
Page 43 - THIS PAGE PURPOSELY LEFT BLANK
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 43 of 60 THIS PAGE PURPOSELY LEFT BLANK
Page 44 - WIRING DIAGRAMS
FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (Rev. A, October 2007) Page 44 of 60 WIRING DIAGRAMS VC4ES, VC6ES with Mechanical (KX) Control, 208-240V
Page 56 - TROUBLESHOOTING; ALL MODELS; SYMPTOMS
FULL SIZE ELECTRIC CONVECTION OVENS - TROUBLESHOOTING F25105 (Rev. A, October 2007) Page 56 of 60 TROUBLESHOOTING Certain procedures in this section require electrical test or measurements while power is applied to the machine. Exercise extreme caution at all times. If test points are not easily acc...
Page 57 - COMPUTER CONTROL MODELS ONLY; SYMPTOM
FULL SIZE ELECTRIC CONVECTION OVENS - TROUBLESHOOTING SYMPTOMS POSSIBLE CAUSES F25105 (Rev. A, October 2007) Page 57 of 60 No power to oven controls. 1. Main circuit breaker OPEN. 2. Control circuit fuses OPEN. 3. Power switch (S1) inoperative. 4. Transformer (T2) inoperative (480V only). No heat, c...