Vulcan-Hart SG4C Service Manual page 4

Computer Controller (SG4C/SG6C) ......................................................................................................... 23
Operation ........................................................................................................................................... 23
Setup Mode ....................................................................................................................................... 23
Probe Test .........................................................................................................................................23
Solid State Relay Test ...................................................................................................................... 24
Computer Controller Calibration (SG4C/SG6C) ....................................................................................... 24
Calibration Steps ...............................................................................................................................24
Gas Pressure Adjustment .......................................................................................................................25
Verification of Spark at Igniter ................................................................................................................ 26
Door Switch Adjustment .......................................................................................................................... 26
Flame Current Measurements ................................................................................................................. 27
Blower Adjustment ................................................................................................................................... 27
Door Adjustment ...................................................................................................................................... 28
Door Strike Adjustment ............................................................................................................................ 28
Door Catch Roller Adjustment ................................................................................................................. 29
ELECTRICAL OPERATION ................................................................................................................................. 30
Component Description ........................................................................................................................... 30
Plug, Socket and Components (SG4D/SG6D) ........................................................................................ 31
Plug, Socket and Components (SG4C/SG6C) ........................................................................................ 32
Sequence of Operations ..........................................................................................................................33
SG4D/SG6D with Solid State Temperature Controller ..................................................................... 33
Cook Cycle ........................................................................................................................................ 33
Timer Cycle ....................................................................................................................................... 34
Cool Down Cycle (Solid State Temperature Controller) ................................................................... 34
SG4C/SG6C with Computer Controller ............................................................................................. 35
Normal Cook Cycle ..................................................................................................................... 35
Temperature and Time Cycle (Normal Cooking) ............................................................................... 37
Function Switch (SG4C/SG6C) ......................................................................................................... 37
Roast and Hold Cycle ........................................................................................................................ 37
Wiring Diagrams ....................................................................................................................................... 38
Schematics .............................................................................................................................................. 40
TROUBLESHOOTING .......................................................................................................................................... 42
Error Codes .............................................................................................................................................. 44
TABLE OF CONTENTS (Cont.)
- 4 -