Vulcan-Hart
SG4D
service manual
426574 Rev. C
Troubleshooting
Install
Wiring Diagrams
Timer Cycle
Symptoms Possible Causes
Operation Setup Mode
Lamp Assembly
GAS Pressure Adjustment
Temperature Probe
Door Switch
Page 39
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WIRING DIAGRAM
734 COMPUTER CONTROL
DUAL BURNER CONVECTION
OVENS 120 & 200 V.
426574
Rev. C
Page 38
Page 40
Image 39
Page 38
Page 40
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 Panels
Top 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 Doors
Door Window
Door Switch
Lamp Assembly
High Limit Thermostat
Interior Lights
Cooling FAN
Fan Installation Tips
Service Procedures and Adjustments
Solid State Temperature Controller Test SG4D/SG6D
Test Steps
Calibration Steps
Solid State Temperature Control Calibration SG4D/SG6D
Temp F Ohms
Temperature Probe Test SG4D/SG6D
Operation Setup Mode
Computer Controller SG4C/SG6C
Probe 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 View
Plug, Socket and Components SG4C/SG6C
SG4D/SG6D with Solid State Temperature Controller
Sequence of Operations
Cook Cycle
Cool Down Cycle Solid State Temperature Controller
Timer Cycle
Normal Cook Cycle
SG4C/SG6C with Computer Controller
Page
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
Related pages
Wiring Diagrams for York YCAL0080SC
Parts List for Hitachi 240353
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