426574 Rev. C | Vulcan-Hart SG4D guide

– 39 –
WIRING DIAGRAM
734 COMPUTER CONTROL
DUAL BURNER CONVECTION
OVENS 120 & 200 V.
426574	Rev. C

Image 39

Vulcan-Hart SG4D service manual 426574 Rev. C

Contents

SG4 & SG6 Series Full Size GAS Convection Ovens VULCAN-HART Table of Contents Table of Contents General Component Location Removal and Replacement of Parts Right Side Panel Covers and PanelsTop Front Cover Bottom Front Cover SG4D/SG6D SG4C/SG6C Control Panel Components Component Panel Components SG4C/SG6C Temperature Probe Shown Temperature Probe GAS Burners GAS Solenoid Valve GAS Orifice Spark Igniter and Flame Sense Ignition Control Module Blower and Motor Oven Doors and Bearings Roller Latch Assembly Independent Doors Door Catch Roller Assembly Independent DoorsDoor Window Door Switch Lamp Assembly High Limit ThermostatInterior Lights Cooling FAN Fan Installation Tips Service Procedures and Adjustments Solid State Temperature Controller Test SG4D/SG6DTest Steps Calibration Steps Solid State Temperature Control Calibration SG4D/SG6D Temp F Ohms Temperature Probe Test SG4D/SG6D Operation Setup Mode Computer Controller SG4C/SG6CProbe Test Solid State Relay Test Computer Control Calibration SG4C/SG6C GAS Pressure Adjustment Verification of Spark AT Ignitor Door Switch Adjustment Flame Current Measurement Blower Adjustment Door Strike Adjustment Independent Doors Door Adjustment Door Catch Roller Adjustment Component Description Electrical Operation Plug, Socket and Components SG4D/SG6D Front View Control Panel Component Panel Front ViewPlug, Socket and Components SG4C/SG6C SG4D/SG6D with Solid State Temperature Controller Sequence of OperationsCook Cycle Cool Down Cycle Solid State Temperature Controller Timer Cycle Normal Cook Cycle SG4C/SG6C with Computer ControllerPage Roast and Hold Cycle Temperature and Time Cycle Normal Cooking Wiring Diagrams 426574 Rev. C Thermostat Schematics GAS Convection Oven SG4 with Watlow 734 Control Symptoms Possible Causes Troubleshooting Symptoms Possible Causes Computer Control Models only Symptom Possible Causes Error Codes Probable Cause Solution Problem