Vulcan VC4ES - Manuals - manualsarea.com

Page 2 - TABLE OF CONTENTS

FULL SIZE ELECTRIC CONVECTION OVENS F25105 (December 2001) Page 2 of 60 TABLE OF CONTENTS GENERAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4 Introduction . . . . . . . . . . . . . . . . ....

Page 4 - GENERAL

FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL F25105 (December 2001) 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 FEATURE...

Page 5 - SPECIFICATIONS

FULL SIZE ELECTRIC CONVECTION OVEN - GENERAL F25105 (December 2001) 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 VC4ED VC4EC VC6ES VC6ED VC6EC 12.5 35 33 15 45 40 20 NOTES: 1. Am...

Page 6 - REMOVAL AND REPLACEMENT OF PARTS; COVERS AND PANELS; Top Front Cover; Bottom Front Cover; Control Panel; Right Side Panel

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 6 of 60 REMOVAL AND REPLACEMENT OF PARTS COVERS AND PANELS WARNING: DISCONNECT THE ELECTRICALPOW ER TO THE MACHINE AT THE MAINCIRCUIT BOX. PLACE A TAG ON THE CIRCUITBOX INDICATING THE CIRCUIT IS BEINGSE...

Page 7 - Left Side Panel; CONTROL PANEL; Removable Components

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 7 of 60 Left Side Panel 1. Remov e the screws which secure the left sideof the top front cov er, bottom front cov er andcontrol panel. 2. Remov e the sev en screws securing the leftside panel. 3. Pull t...

Page 8 - TEMPERATURE PROBE

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 8 of 60 COMPONENT PANEL COMPONENTS WARNING: DISCONNECT THE ELECTRICALPOW ER TO THE MACHINE AT THE MAINCIRCUIT BOX. PLACE A TAG ON THE CIRCUITBOX INDICATING THE CIRCUIT IS BEINGSERVICED. Removable Compon...

Page 9 - HEATING ELEMENTS; Front Access

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 9 of 60 5. Remov e probe by pushing it through the ov enwall and into the control panel area. NOTE: The hole in the ov en cav ity wall does notline up straight with the ov en cav ity outer shell,therefo...

Page 10 - BLOWER AND MOTOR

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 10 of 60 LEFT SIDE ELEMENTS SHOWN NOTE: The mounting bracket is sealed with RTVwhich may still hold the element after the screws areremov ed. Also, in some cases, the ring terminalconnected to the eleme...

Page 11 - DOOR SWITCH

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 11 of 60 1) Rev erse procedure to install andadjust blower position as outlinedunder "BLOW ER ADJUSTMENT" in"SERVICE PROCEDURES ANDADJUSTMENTS". B. Motor - perform step 3A and continuepr...

Page 13 - OVEN DOORS; Assembly Removal

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 13 of 60 3. Remov e the lower door seal strip to expose themounting screws of the door assembly. 4. Remov e the two (2) lower sill bolts by the lowerdoor shaft and the four (4) counter-sunk screwsfrom t...

Page 14 - Disassembly; DOOR CATCH ROLLER; THERMOSTAT

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 14 of 60 5. Lift up on the door assembly and swing theright side out then mov e the assembly to theleft to clear the slots in the upper door sill. 6. Lay the door assembly on a flat cushionedsurface for...

Page 15 - HIGH LIMIT THERMOSTAT; INTERIOR LIGHTS; Lamp

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 15 of 60 NOTE: W hen installing probe guard, the probeshould not extend beyond the guard. 4. Remov e the thermostat bulb from the ov encav ity by pushing it through the ov en wall andinto the control pa...

Page 16 - COOLING FAN

FULL SIZE ELECTRIC CONVECTION OVEN - REMOVAL AND REPLACEMENT OF PARTS F25105 (December 2001) Page 16 of 60 3. Depress the retaining tabs and pull the socketout from the ov en, far enough to disconnect thelead wires. 4. Remov e the socket from the ov en. 5. Attach the lead wires to the replacementsoc...

Page 17 - SERVICE PROCEDURES AND ADJUSTMENTS; SOLID STATE TEMPERATURE

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 17 of 60 Differential Heat lamp OFF Heat lamp ON Example: 360 ( (lamp off) 340 ( (lamp on) 20 ( [Temp. (lamp off) Temp. (lamp on)] ÷ 2 Average Temp. Example: 360 ( 340 ( ÷ 2 350 ( SERVICE PROCEDURES ...

Page 18 - THERMOSTAT CALIBRATION

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 18 of 60 Differential Heat lamp OFF Heat lamp ON Example: 360 ( (lamp off) 340 ( (lamp on) 20 ( [Temp. (lamp off) Temp. (lamp on)] ÷ 2 Average Temp. Example: 360 ( 340 ( ÷ 2 350 ( d. Rotate the knob ...

Page 19 - NOTE: Ov en temperature must be below 450°.

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 19 of 60 A. After the final adjustment is made and theav erage temperature is within tolerance,remov e the knob and apply a non-permanent type sealer around the head ofthe set screw. 10. If the abov ...

Page 20 - TEMPERATURE PROBE TEST; HEATING ELEMENT TEST

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 20 of 60 TEMPERATURE PROBE TEST (SOLID STATE CONTROL) WARNING: DISCONNECT THE ELECTRICALPOW ER TO THE MACHINE AT THE MAINCIRCUIT BOX. PLACE A TAG ON THE CIRCUITBOX INDICATING THE CIRCUIT IS BEINGSERV...

Page 21 - BLOWER ADJUSTMENT

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 21 of 60 BLOWER ADJUSTMENT WARNING: DISCONNECT THE ELECTRICAL POW ER TO THE MACHINE AT THE MAIN CIRCUIT BOX.PLACE A TAG ON THE CIRCUIT BOX INDICATING THE CIRCUIT IS BEING SERVICED. 1. Remov e the blo...

Page 22 - DOOR ADJUSTMENT

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 22 of 60 DOOR ADJUSTMENT 1. Check the doors to make sure they hav e anequal gap between them and that the v erticaledge of the door is parallel to the v ertical doorseal. If the doors are not positio...

Page 23 - DOOR SWITCH ADJUSTMENT; DOOR CHAIN ADJUSTMENT; Introduction

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 23 of 60 6. W ith the doors closed, observ e the position ofthe catch roller "ball" in relation to the doorstrike. A. Ensure the catch roller "ball" is centered(left to right) to the ...

Page 24 - COMPUTER CONTROL; Operation

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 24 of 60 A. Turnbuckles should be 5 to 5 ½ inchesapart. B. Short eye bolt should be connected to theend of the chain that goes to the front ofthe sprocket. C. 2 links of the chain should not be engag...

Page 28 - Restore Factory Settings

FULL SIZE ELECTRIC CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTS F25105 (December 2001) Page 28 of 60 B. If the code displayed is not correct for thekey pressed, then the keyboard ismalfunctioning. 1) Turn the power switch OFF. WARNING: DISCONNECT THE ELECTRICALPOW ER TO THE MACHINE AT THE M...

Page 29 - ELECTRICAL OPERATION; COMPONENT FUNCTION

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 29 of 60 ELECTRICAL OPERATION COMPONENT FUNCTION Power Switch (S1) . . . . . . . . . . . . Determines the mode of operation; ON, OFF, or COOL DOW N. Oven Light Switch (S2) . . . . . . . . Controls the ov en cav it...

Page 30 - COMPONENT LOCATION

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 30 of 60 Temperature Probe . . . . . . . . . . . Senses the ov en temperature for the solid state temperature control or thecomputer control. On ov en models using the solid state control, conv ertsthe temperature...

Page 32 - VC4ED/6ED with Solid State Control - Plug, Socket and Components

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 32 of 60 VC4ED/6ED with Solid State Control - Plug, Socket and Components

Page 34 - SEQUENCE OF OPERATION; VC4ES, VC6ES with Mechanical KX Thermostat

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) 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. Ov en connected to correct...

Page 35 - Cook Cycle

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 35 of 60 Timer Cycle, Cooking (KX Thermostat or Solid State Control) NOTE: The "Cook" timer operates independently ofthe heating cycle. Additional time can be set or thetimer can be turned OFF throughout t...

Page 36 - Cook and Hold Cycle

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 36 of 60 1) Heating elements powered andheating starts. C. The controls 5VDC output from pins C2-2 (-) and C2-8 (+) is activ ated andSSR1 relay is energized. 1) Conv ection fan motor is energized (High speed). 4. ...

Page 37 - SCHEMATICS

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 37 of 60 SCHEMATICS VC4ES, VC6ES with Mechanical (KX) Controls, 208-240V

Page 40 - VC4ED, VC6ED with Solid State Temperature Control, 480V

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 40 of 60 VC4ED, VC6ED with Solid State Temperature Control, 480V

Page 43 - THIS PAGE PURPOSELY LEFT BLANK

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) Page 43 of 60 THIS PAGE PURPOSELY LEFT BLANK

Page 44 - WIRING DIAGRAMS

FULL SIZE ELECTRIC CONVECTION OVENS - ELECTRICAL OPERATION F25105 (December 2001) 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 (December 2001) Page 56 of 60 TROUBLESHOOTING WARNING: CERTAIN PROCEDURES IN THIS SECTION REQUIRE ELECTRICAL TESTS ORMEASUREMENTS W HILE POW ER IS APPLIED TO THE MACHINE. EXERCISE EXTREME CAUTION AT ALLTIMES. IF TEST POINTS ARE NOT EASILY ...

Page 57 - COMPUTER CONTROL MODELS ONLY; SYMPTOM

FULL SIZE ELECTRIC CONVECTION OVENS - TROUBLESHOOTING SYMPTOMS POSSIBLE CAUSES F25105 (December 2001) Page 57 of 60 No power to ov en controls. 1. Main circuit breaker OPEN. 2. Control circuit fuses OPEN. 3. Power switch (S1) inoperativ e. 4. Transformer (T2) inoperativ e (480V only). No heat, conv ...

Page 60 - CONDENSED SPARE PARTS LIST; VC4E & VC6E SERIES OVENS

FULL SIZE ELECTRIC CONVECTION OVENS - CONDENSED SPARE PARTS LIST F25105 (December 2001) Printed in U.S.A. CONDENSED SPARE PARTS LIST VC4E & VC6E SERIES OVENS PART NUMBER DESCRIPTION VC4ES* VC6ES* VC4ED VC6ED VC4EC VC6EC 358516-2 Blower Motor 2sp, 1/3hp X X X 424846-1 Computer Controller X 411497...