Vulcan-Hart 3-130, Service Manual

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SECTION 1
CIRCUIT DESCRIPTION A-CONTROL
1.1 INTRODUCTION ..........................................1-1
1.2 CIRCUIT DESCRIPTION ..............................1-1
1.2.1 Analog Meter Readout ...............................1-1
1.2.2 Front Panel Controls ..................................1-1
1.2.3 Muffle Control ...........................................1-1
1.2.4 Power Supply ............................................1-1
SECTION 2
TROUBLESHOOTING A-CONTROL
2.1 FACTORY REPAIR........................................2-1
2.2 BEFORE YOU START ...................................2-1
2.3 TROUBLESHOOTING GUIDES ......................2-1
2.3.1 Power Supply ............................................2-1
2.3.2 Analog Circuitry.........................................2-1
2.3.3 Triac Drive.................................................2-1
2.4 TROUBLESHOOTING COMPONENTS ............2-1
2.5 BLOCK DIAGRAM.......................................2-3
2.6 SCHEMATIC ..............................................2-4
2.7 CONTROL CIRCUIT BOARD..........................2-5
2.8 WIRING DIAGRAM .....................................2-6
SECTION 3
CALIBRATION A-CONTROL
3.1 SCOPE ......................................................3-1
3.2 FACTORY REPAIR........................................3-1
3.3 ADJUSTMENTS ...........................................3-1
3.3.1 Door, Lift Drag Adjustment ........................3-1
3.4 CIRCUIT BOARD CALIBRATION ...................3-1
3.4.1 Required Test Equipment ..........................3-1
3.4.2 Temperature .............................................3-1
SECTION 4
CIRCUIT DESCRIPTION 3-STAGE
4.1 INTRODUCTION
4.2 CIRCUIT DESCRIPTION .............................4-1
4.2.1 LCD Display Readout .................................4-1
4.2.2 Front Panel Control ...................................4-1
4.2.3 Muffle Control ...........................................4-1
4.2.4 Power Supply............................................4-1
4.2.5 Motor Drive Control ...................................4-1
4.2.6 Fan Drive Control ......................................4-1
SECTION 5
TROUBLESHOOTING 3-STAGE
5.1 FACTORY REPAIR........................................5-1
5.2 BEFORE YOU START ...................................5-1
5.2.1 Isolating a Problem ...................................5-1
5.3 TROUBLESHOOTING GUIDES .....................5-1
5.3.1 Power Supply ............................................5-1
5.3.2 Microprocessor ........................................5-1
5.3.3 Peripheral Drive ........................................5-1
5.3.4 Motor Drive ...............................................5-1
5.3.5 Analog Circuitry.........................................5-1
5.3.6 Display Board ...........................................5-1
5.3.7 Fan Drive Control ......................................5-2
5.4 TROUBLESHOOTING COMPONENTS............5-2
5.5 ERROR CODES...........................................5-3
5.6 DIAGNOSTIC TABLES .................................5-4
5.7 BLOCK DIAGRAM.......................................5-8
5.8 SCHEMATICS ............................................5-9
5.9 WIRING DIAGRAM ....................................5-12
SECTION 6
ADJUSTMENT/CALIBRATION3-STAGE
6.1 SCOPE .....................................................6-1
6.2 FACTORY REPAIR .......................................6-1
6.3 ADJUSTMENT/CALIBRATION .......................6-1
6.3.1 Temperature ............................................6-1
6.3.2 Door, Lift Drag Adjustment ........................6-1
6.4 CIRCUIT BOARD CALIBRATION ...................6-1
6.4.1 Required Test Equipment ..........................6-1
6.4.2 Temperature .............................................6-1
SECTION 7
SERVICE PARTS
7.1 ORDERING INSTRUCTIONS.........................7-1
7.2 MUFFLE AND THERMOCOUPLE ...................7-1
7.3 MUFFLE (3-550 PD / AIR EXCH)...................7-2
7.4 CABINET PARTS.........................................7-3
7.5 DOOR PARTS ............................................7-4
7.6 A-CONTROLLER PARTS ..............................7-5
7.7 3-STAGE & 3-550 CONTROLLER PARTS........7-6
7.8 LIFT MECHANISM PARTS (3-550PD) ............7-7
SECTION 8
DISASSEMBLY/REASSEMBLY
8.1 CONTROL DRAWER REMOVAL.....................8-1
8.2 TRIAC ........................................................8-1
8.3 MEMBRANE SWITCH..................................8-2
8.4 DISPLAY PCB ............................................8-3
8.5 A-CONTROL PCB .......................................8-4
8.6 3 STAGE CONTROL PCB .............................8-5
8.7 DOOR ASSEMBLY/ADJUSTMENT ................8-6
8.8 HEATING PLATES.......................................8-7
8.9 MUFFLE REPLACEMENT........................ .....8-8
8.10 THERMOCOUPLE (A-Control) .....................8-9
8.11 THERMOCOUPLE (3 STAGE) .......................8-9
8.12 MUFFLE REPLACEMENT(3-550 PD)........ ....8-10
8.13 THERMOCOUPLE (3-550PD) ......................8-11
8.14 POWER SWITCH .......................................8-12
8.15 POWER DOOR REPLACEMENT ...................8-13
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