Vulcan-Hart A550 - User Manual

Vulcan
®
Furnace
Service Manual
Models:
A- - -PD
A - -A
A- - -A
CERAMCO
®

Summary

SAFETY

SAFETY FIRST

General safety precautions for operating and servicing the furnace.

Section 1 - CIRCUIT DESCRIPTION - A-CONTROL

1.1 INTRODUCTION

Purpose of section: circuit level operation for troubleshooting.

1.2 CIRCUIT DESCRIPTION

Detailed description of circuit functions: meter, controls, muffle, power.

Section 2 - TROUBLESHOOTING - A-CONTROL

2.1 FACTORY REPAIR

Information on returning units for repair to DENTSPLY Ceramco.

2.2 BEFORE YOU START

Guide to troubleshooting methodology and familiarization with the VULCAN.

2.3 TROUBLESHOOTING GUIDES

Guides for troubleshooting specific circuit areas like power supply and analog.

2.4 TROUBLESHOOTING COMPONENTS

Methods for testing common electronic components like diodes and triacs.

Section 2 - TROUBLESHOOTING - A-CONTROL Block Diagram

2.5 BLOCK DIAGRAM

Visual representation of the A-Control circuit components and flow.

Section 2 - TROUBLESHOOTING - A-CONTROL Schematic

2.6 SCHEMATIC

Detailed electrical schematic of the A-Control circuit.

Section 2 - TROUBLESHOOTING - A-CONTROL Circuit Board

2.7 CONTROL CIRCUIT BOARD

Image and labels for the A-Control circuit board components.

Section 2 - TROUBLESHOOTING - A-CONTROL Wiring Diagram

2.8 WIRING DIAGRAM

Visual representation of the electrical connections for the furnace.

Section 3 - ADJUSTMENT;CALIBRATION - A-CONTROL

3.1 SCOPE

Purpose of the section: calibration and specification verification.

3.2 FACTORY REPAIR

Information on returning units for repair to DENTSPLY Ceramco.

3.3 ADJUSTMENTS

Procedures for adjustments like door drag.

3.4 CIRCUIT BOARD CALIBRATION

Calibration of the VULCAN circuit board, including temperature.

Section 4 - CIRCUIT DESCRIPTION - 3-STAGE

4.1 INTRODUCTION

Purpose of section: circuit level operation for troubleshooting.

4.2 CIRCUIT DESCRIPTION 3-STAGE

Detailed description of circuit functions: display, controls, muffle, power, motor, fan.

Section 5 - TROUBLESHOOTING - 3-STAGE

5.1 FACTORY REPAIR

Information on returning units for repair to DENTSPLY Ceramco.

5.2 BEFORE YOU START

Guide to troubleshooting methodology and circuit familiarity for 3-Stage models.

5.3 TROUBLESHOOTING GUIDES

Guides for troubleshooting specific circuit areas like power supply and microprocessor.

5.4 TROUBLESHOOTING COMPONENTS

Methods for testing common electronic components like diodes and capacitors.

Section 5 - TROUBLESHOOTING - 3-STAGE Error Codes

5.5 ERROR CODES

Lists and explains various error codes displayed by the furnace.

Section 5 - TROUBLESHOOTING - 3-STAGE Diagnostic Tables

5.6 DIAGNOSTIC TABLES

Tables for diagnosing common setup errors and power supply voltages.

Section 5 - TROUBLESHOOTING - 3-STAGE Diagnostic Tables (Power & Microprocessor)

5.6 DIAGNOSTIC TABLES (Continued)

Diagnostic tables for power supply and microprocessor issues.

Section 5 - TROUBLESHOOTING - 3-STAGE Diagnostic Tables (Peripheral & Motor)

5.6 DIAGNOSTIC TABLES (Continued)

Diagnostic tables for peripheral drive and motor drive circuits.

Section 5 - TROUBLESHOOTING - 3-STAGE Diagnostic Tables (Analog & Display)

5.6 DIAGNOSTIC TABLES (Continued)

Diagnostic tables for analog circuitry and display board issues.

Section 5 - TROUBLESHOOTING - 3-STAGE Block Diagram

5.7 BLOCK DIAGRAM

Visual representation of the 3-Stage furnace system components and flow.

Section 5 - TROUBLESHOOTING - 3-STAGE Schematics (Power Supply)

5.8 SCHEMATICS

Schematics of various circuits including the power supply.

Section 5 - TROUBLESHOOTING - 3-STAGE Schematics (Temp & LCD)

5.8 SCHEMATICS (Continued)

Schematics for temperature and LCD display circuits.

Section 5 - TROUBLESHOOTING - 3-STAGE Schematics (Microprocessor)

5.8 SCHEMATICS (Continued)

Schematic diagram of the microprocessor control circuit.

Section 5 - TROUBLESHOOTING - 3-STAGE, PD, A Wiring Diagram

5.9 WIRING DIAGRAM

Visual representation of the wiring for the 3-550 PD, A models.

Section 6 - ADJUSTMENT;CALIBRATION - 3-STAGE

6.1 SCOPE

Purpose of the section: calibration and specification verification.

6.2 FACTORY REPAIR

Information on returning units for repair to DENTSPLY Ceramco.

6.3 ADJUSTMENT;CALIBRATION

Procedures for temperature and door drag adjustments.

6.4 CIRCUIT BOARD CALIBRATION

Calibration of the VULCAN circuit board.

Section 7 - SERVICE PARTS - A-CONTROL & 3-STAGE

7.1 ORDERING INSTRUCTIONS

Information required when ordering replacement parts.

7.2 MUFFLE AND THERMOCOUPLE

Exploded view and part numbers for muffle and thermocouple assemblies.

Section 7 - SERVICE PARTS - 3-550 A & 3-550 PD

7.3 MUFFLE (3-550 PD & AIR EXCH)

Exploded view and part numbers for muffle assembly components.

Section 7 - SERVICE PARTS - A-CONTROL, 3-STAGE, 3-550 PD

7.4 CABINET PARTS

Exploded view and part numbers for cabinet components like cords and sockets.

Section 7 - SERVICE PARTS - A-CONTROL, 3-STAGE (Continued)

7.4 CABINET PARTS (Continued)

Exploded view and part numbers for cabinet components.

7.5 DOOR PARTS

Exploded view and part numbers for door assembly components.

Section 7 - SERVICE PARTS - A-CONTROL (Continued)

7.6 A- CONTROLLER PARTS

Exploded view and part numbers for A-Control board components.

Section 7 - SERVICE PARTS - 3-STAGE, 3-550 PD (Continued)

7.7 3-STAGE CONTROLLER PARTS

Exploded view and part numbers for 3-Stage controller board components.

Section 7 - SERVICE PARTS - 3-550 PD (Continued)

7.8 LIFT MECHANISM PARTS

Exploded view and part numbers for the lift mechanism components.

Section 8 - DISASSEMBLY;REASSEMBLY - 3-STAGE

8.1 CONTROL DRAWER REMOVAL

Step-by-step instructions for removing the control drawer.

8.2 TRIAC

Instructions for removing and replacing the Triac component.

Section 8 - DISASSEMBLY;REASSEMBLY - 3-STAGE (Continued)

8.3 MEMBRANE SWITCH

Step-by-step instructions for removing and replacing the membrane switch.

Section 8 - DISASSEMBLY;REASSEMBLY - 3-STAGE (Continued)

8.4 DISPLAY PCB

Step-by-step instructions for removing and replacing the Display PCB.

Section 8 - DISASSEMBLY;REASSEMBLY - A-CONTROL (Continued)

8.5 A-CONTROL PCB

Step-by-step instructions for removing and replacing the A-Control PCB.

Section 8 - DISASSEMBLY;REASSEMBLY - 3-STAGE (Continued)

8.6 A 3 STAGE CONTROL PCB - 9493980

Step-by-step instructions for removing and replacing the 3-Stage control PCB.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.6 B 3 STAGE CONTROL PCB - 9495232

Step-by-step instructions for removing and replacing a different 3-Stage control PCB.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.7 DOOR ASSEMBLY; ADJUSTMENT

Instructions for door assembly and adjusting door tension.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.8 HEATING PLATES

Instructions for removing and replacing heating plates.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.9 COMPLETE MUFFLE REPLACEMENT

Step-by-step instructions for replacing the complete muffle assembly.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.11 THERMOCOUPLE (3 STAGE CONTROL)

Instructions for removing and replacing the thermocouple for 3-Stage control.

8.10 THERMOCOUPLE (A-CONTROL)

Instructions for removing and replacing the thermocouple for A-Control.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.12 COMPLETE MUFFLE REPLACEMENT

Step-by-step instructions for replacing the complete muffle assembly.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.13 THERMOCOUPLE (3-550 PD)

Instructions for removing and replacing the thermocouple for 3-550 PD.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.14 POWER SWITCH

Step-by-step instructions for removing and replacing the power switch.

Section 8 - DISASSEMBLY;REASSEMBLY (Continued)

8.15 POWER DOOR MOTOR REPLACEMENT

Instructions for removing and replacing the power door motor.

PRODUCT SERVICE

PRODUCT SERVICE

Information on available product service methods and return procedures.

Vulcan-Hart A550 Specifications

General

Brand	Vulcan-Hart
Model	A550
Category	Furnace
Language	English