Vulcan-Hart ML-126612 Wartungshandbuch

A product of VULCAN-HART LOUISVILLE, KY 40201-0696F24682 (Rev. B, October 2007)VC4GD WITH ROAST & HOLD SHOWN SERVICE MANUALVC4G & VC6G

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 10 of 684. Loosen the bolts securing the valve an

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 11 of 683. Reverse the procedure to install the as

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 12 of 686. Remove the nuts that secure the motorm

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 13 of 682. Remove the door switch lever.3. Remove

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 14 of 68NOTE: The door assembly is heavy and will

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 15 of 68DOOR CATCH BALL ASSEMBLY(INDEPENDENT DOORS

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 16 of 685. Reverse procedure to install the repla

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 17 of 683. Disconnect lead wires from high limit t

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 18 of 68COOLING FAN1. Remove the right side panel

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 19 of 68SERVICE PROCEDURES AND ADJUSTMENTS Certa

FULL SIZE GAS CONVECTION OVENSF24682 (Rev. B, October 2007) Page 2 of 68TABLE OF CONTENTSGENERAL ...

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007) Page 20 of 68MECHANICAL THERMOSTATCALIBRATION (VC4GS

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 21 of 684. Check machine data plate for correct

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007) Page 22 of 685. Reverse procedure to install.TEMP (°

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 23 of 68VERIFICATION OF SPARK ATIGNITOR Shut off

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007) Page 24 of 68BLOWER ADJUSTMENT Shut off the gas befo

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 25 of 68DOOR ADJUSTMENT1. Check the doors to mak

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007) Page 26 of 684. Each oven door should open with a fo

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 27 of 68A. Adjust catch ball tension as follows:

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007) Page 28 of 68B. If doors operate properly, continue

FULL SIZE GAS CONVECTION OVENS - SERVICE PROCEDURES AND ADJUSTMENTSF24682 (Rev. B, October 2007)Page 29 of 685. Re-assemble oven and check for proper

FULL SIZE GAS CONVECTION OVENSF24682 (Rev. B, October 2007)Page 3 of 68Computer Control (VC4GC/VC6GC) ...

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 30 of 68ELECTRICAL OPERATIONCOMPONENT FUNCTIONPower Switch (S

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 31 of 68Computer Control(VC4GC/6GC) ... Monitors

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 32 of 68COMPONENT LOCATION

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 33 of 68VC4GS/6GS - Plug, Socket and Components (Standard Cont

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 34 of 68VC4GD/6GD - Plug, Socket and Components (Standard Con

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 35 of 68VC4GS/6GS, VC4GD/6GD - Plug, Socket and Components (Ro

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 36 of 68VC4GC/6GC - Plug, Socket and Components (Roast &

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 37 of 68SEQUENCE OF OPERATIONVC4GS, VC6GS With Roast & Hol

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 38 of 68b. When the convection fan motorreaches operating spe

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 39 of 68J. Roast timer (normal cooking) in the OFFposition.K.

FULL SIZE GAS CONVECTION OVEN - GENERALF24682 (Rev. B, October 2007) Page 4 of 68GENERALINTRODUCTIONProcedures in this manual will apply to all model

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 40 of 681) R3 normally open (N.O.) contactsopen.a. Ignition

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 41 of 68If a flame is not SENSEDafter 7 seconds of sparking,th

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 42 of 681) Transformer (T1) energized.a. Power (24VAC) to one

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 43 of 68Timer Cycle (Normal Roast Cooking)NOTE: The ROAST time

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 44 of 68a) Power is connected throughthe function switch (S3)

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 45 of 68A. Contacts 1 & 3 close, timer motor isenergized a

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 46 of 686. The oven will continue to cycle on the holdthermos

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 47 of 68Roast Cycle (Normal Cooking)1. Conditions.A. Oven conn

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 48 of 68c. Ignition control module isenergized.a) No ignition

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 49 of 68Cool Down Cycle (Computer Control Model)1. Conditions.

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 5 of 68REMOVAL AND REPLACEMENT OF PARTSCOVERS AND

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 50 of 68SCHEMATICSVC4GS, VC6GS Mechanical (KX) Controls

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 51 of 68VC4GS, VC6GS Mechanical (KX) Controls, Roast & Hol

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 52 of 68VC4GD, VC6GD Solid State Temperature Control

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 53 of 68VC4GD, VC6GD Solid State Temperature Control, Roast &a

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 54 of 68VC4GC, VC6GC Computer Control (Roast & Hold Stand

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 55 of 68- N O T E S -

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 56 of 68WIRING DIAGRAMSVC4GS, VC6GS Mechanical (KX) Controls

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 57 of 68

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 58 of 68VC4GS, VC6GS Mechanical (KX) Controls, Roast & Ho

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 59 of 68

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 6 of 68CONTROL PANELCOMPONENTSRemovable Component

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 60 of 68VC4GD, VC6GD Solid State Temperature Control

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 61 of 68

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 62 of 68VC4GD, VC6GD Solid State Temperature Control, Roast &

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 63 of 68

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007) Page 64 of 68VC4GC, VC6GC Computer Control (Roast & Hold Stand

FULL SIZE GAS CONVECTION OVENS - ELECTRICAL OPERATIONF24682 (Rev. B, October 2007)Page 65 of 68

FULL SIZE GAS CONVECTION OVENS - TROUBLESHOOTINGF24682 (Rev. B, October 2007) Page 66 of 68TROUBLESHOOTING Certain procedures in this section require

FULL SIZE GAS CONVECTION OVENS - TROUBLESHOOTINGF24682 (Rev. B, October 2007)Page 67 of 68SYMPTOMS POSSIBLE CAUSESNormal (Roast) mode OK, no Hold mod

FULL SIZE GAS CONVECTION OVENS - CONDENSED SPARE PARTS LISTCODE & PROBLEM PROBABLE CAUSE SOLUTIONF24682 (Rev. B, October 2007) Printed in U.S.A.Er

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 7 of 68COMPONENT PANELCOMPONENTSRemovable Componen

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007) Page 8 of 68TEMPERATURE PROBE(VC4GD/6GD)1. Remove the

FULL SIZE GAS CONVECTION OVENS - REMOVAL AND REPLACEMENT OF PARTSF24682 (Rev. B, October 2007)Page 9 of 686. Reverse procedure to install the replace