OPERATION ...................................................................................... 35
SETUP MODE .................................................................................... 35
PROBE TEST ..................................................................................... 35
SOLID STATE RELAY TEST ...................................................................... 35
COMPUTER CONTROL CALIBRATION (VC4GC/VC6GC) ............................................. 35
ELECTRICAL OPERATION ................................................................................ 37
COMPONENT FUNCTION ............................................................................ 37
COMPONENT LOCATION ............................................................................. 38
SEQUENCE OF OPERATION ......................................................................... 43
VC4GS, VC6GS WITH ROAST & HOLD OPTION (MECHANICAL KX THERMOSTAT) .............. 43
VC4GD, VC6GD WITH ROAST & HOLD OPTION (SOLID STATE
TEMPERATURE CONTROL) .................................................................. 47
VC4GC, VC6GC (ROAST & HOLD STANDARD ON COMPUTER MODEL) ......................... 53
COOL DOWN CYCLE (COMPUTER CONTROL MODEL) .......................................... 55
SCHEMATICS ............................................................................................ 56
VC4GS, VC6GS MECHANICAL (KX) CONTROLS ..................................................... 56
VC4GS, VC6GS MECHANICAL (KX) CONTROLS, ROAST & HOLD OPTION ........................... 57
VC4GD, VC6GD SOLID STATE TEMPERATURE CONTROL .......................................... 58
VC4GD, VC6GD SOLID STATE TEMPERATURE CONTROL, ROAST & HOLD OPTION ................ 59
VC4GC, VC6GC COMPUTER CONTROL (ROAST & HOLD STANDARD) .............................. 60
WIRING DIAGRAMS ...................................................................................... 61
VC4GS, VC6GS MECHANICAL (KX) CONTROLS ..................................................... 61
VC4GS, VC6GS MECHANICAL (KX) CONTROLS, ROAST & HOLD OPTION ........................... 63
VC4GD, VC6GD SOLID STATE TEMPERATURE CONTROL .......................................... 65
VC4GD, VC6GD SOLID STATE TEMPERATURE CONTROL, ROAST & HOLD OPTION ................ 67
VC4GC, VC6GC COMPUTER CONTROL (ROAST & HOLD STANDARD) .............................. 69
TROUBLESHOOTING ..................................................................................... 71
ALL MODELS ......................................................................................... 71
COMPUTER CONTROL MODELS ONLY .............................................................. 72
ERROR CODES .................................................................................. 73
VC4G & VC6G SERIES FULL SIZE CONVECTION OVENS
© VULCAN 2015
Page 3 of 74 F24682 Rev. C (0315)
