Vulcan-Hart VC4G - User Manual

VC4G & VC6G SERIES FULL SIZE
CONVECTION OVENS
VC4GS ML-126610
VC4GD ML-126611
VC4GC ML-136494
VC6GS ML-126612
VC6GD ML-126613
VC6GC ML-136495
- NOTICE -
This Manual is prepared for the use of trained Vulcan Service
Technicians and should not be used by those not properly
qualified.
This manual is not intended to be all encompassing. If you have
not attended a Vulcan Service School for this product, you should
read, in its entirety, the repair procedure you wish to perform to
determine if you have the necessary tools, instruments and skills
required to perform the procedure. Procedures for which you do
not have the necessary tools, instruments and skills should be
performed by a trained Vulcan Service Technician.
The reproduction, transfer, sale or other use of this Manual,
without the express written consent of Vulcan, is prohibited.
This manual has been provided to you by ITW Food Equipment
Group LLC ("ITW FEG") without charge and remains the property
of ITW FEG, and by accepting this manual you agree that you will
return it to ITW FEG promptly upon its request for such return at
any time in the future.
SERVICE MANUAL
A product of Vulcan-Hart 3600 North Point Blvd Baltimore, MD 21222
F24682 Rev. D (1016)

Summary

Important Service Manual Notice

Service Updates Information

General Information and Specifications

Introduction and Specifications

Overview of the manual's scope and key technical specifications.

Part Removal and Replacement Procedures

Covers, Panels, and Control Panel

Steps for removing outer covers, panels, and the main control panel assembly.

Gas Burner and Orifice Replacement

Procedure for removing and reinstalling the gas burner and replacing the gas orifice.

Oven Door Assembly Removal

Procedure for removing the oven door assembly on simultaneous and independent door models.

Service Procedures and Adjustments

Temperature Control Calibration and Testing

Procedures for calibrating and testing temperature controls and probes.

Gas Pressure and Spark Verification

Steps for adjusting gas pressure and verifying ignitor spark.

Door Switch, Blower, and Door Adjustments

Instructions for adjusting door switches, blowers, and door alignment.

Computer Control Operation and Setup

Setup Mode and System Testing

Guide to accessing setup mode, testing probes, relays, and calibrating the control.

Electrical Operation Overview

Component Functions and Locations

Description of component functions and their physical locations within the oven.

Sequence of Operation

Detailed electrical sequences for normal roast, roast & hold, and cool down cycles.

Cool Down Cycle Operation

Electrical sequence for the cool down cycle on different control models.

Computer Control Roast and Hold Cycle

Electrical sequence for roast & hold cycles on computer control models.

Schematics Diagrams

Mechanical and Solid State Controls Schematics

Wiring schematics for mechanical and solid state control models.

Computer Control Schematics

Wiring schematics for computer control models.

Wiring Diagrams

Mechanical and Solid State Wiring Diagrams

Detailed wiring diagrams for mechanical and solid state control models.

Computer Control Wiring Diagrams

Detailed wiring diagrams for computer control models.

Troubleshooting Guide

Ball Model and Computer Control Issues

Troubleshooting common symptoms for ball and computer control models.

Error Codes and Solutions

List of error codes displayed by the control system and their probable causes.

Vulcan-Hart VC4G Specifications

General

Model	VC4G
Category	Convection Oven
Number of Decks	1
Interior Material	Stainless Steel
Exterior Material	Stainless Steel
Type	Convection Oven
Temperature Range	200°F - 500°F
Power Source	Gas