Thermal Comfort
3000
manual
Appendix V CNC Interface
Troubleshooting
Parts list
Appendix XIV System Schematic
Temp indicator on red
Warranty
Options And Accessories
Test Procedures
Pilot Resistor Adjustment
Remote Control
How to
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APPENDIX V: CNC INTERFACE
A-00982
Manual
0-2533
71
APPENDIX
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Contents
October 6
Merlin
Page
Table of Contents
Table of Contents
Section General Information
Important Safety Precautions
Fire and Explosion
Publications
Avertissement
Precautions De Securite Importantes
Choc Electrique
Bruit
Documents De Reference
General Information
Declaration of Conformity
National Standard and Technical Specifications
Labor
Statement of Warranty
Scope Of Manual
General Service Philosophy
Service Responsibilities
Section Introduction
Introduction
Specifications & Design Features
Section Introduction Description
General Description
Pilot Arc
Input and Output Power
Theory Of Operation
Plasma Arc Cutting and Gouging
Options And Accessories
Plasma/Secondary Gas Control
Hour/Counter Meters
Section Service Troubleshooting Diagnostics
Periodic Inspection & Procedures
Introduction
Circuit Description
System Theory
Coolant Level and Conductivity
Draining Coolant
Logic PC Board Functions
Switch-Mode Power Supply Operation
Switching Control PC Board
Remote Control
Standoff Control
Troubleshooting Guide
Troubleshooting and Repair
Advanced Troubleshooting
How to use this Guide
Temp indicator on red
Fuse blown at disconnect when primary power is connected
Coolant conductivity indicator off
Coolant indicator off
Weak or sputtering pilot
No pilot arc Pilot indicator on PCR energized
Test Procedures
Enable Circuit Tests
Voltage Selection PC Board Check
Blown Fuse F1 or F2
Motor Control Contactor Check MC1 or MC2
Diode Check
Coolant Flow Sensor Circuit Check
Thermal Sensing Circuit Check
Pressure Sensing Circuit
Gas Solenoid Circuits
Power Supply Start Circuit
Remote Control Start Circuit
Refer to Appendix IX for Start Circuit Diagram
Q1 Location
Switching Control Check Q1
High Voltage is present
Pilot Circuit Check
Remote Current Control
Current Control, Display and CSD checks
Tip Drag Circuit
Front Panel Current Control
Corner Slowdown CSD
Volt Bias Test
Pilot Resistor Adjustment
Refer to Appendix XII for OK-To-Move Circuit Diagram
OK-To-Move Tests
Service Troubleshooting
Procedure
Section Repairs & Replacement Procedures
Anti-Static Handling Procedures
Parts Replacement General Information
Top Panel Replacement
External Parts Replacement
Handle Replacement
Left/Right Side Panel Replacement
Front Panel/Chassis Parts Replacement
Access Panel Parts Replacement
Rear Panel Parts Replacement
Secondary Water Solenoid Valve Assembly Replacement
Three-Phase Contactor Replacement
Voltage Selection PC Board Replacement
Gas Solenoid Assembly Replacement
Coolant Tank Replacement
Flow Switch Assembly Replacement
Conductivity Sensor Assembly Replacement
29KVA Transformer T1 Assembly Replacement
Base Assembly Parts Replacement
Secondary Water Check Valve Replacement
DC Inductor L2 Assembly Replacement
Pump Assembly Replacement
Upper Chassis Parts Replacement
Main Contactor W1 or W2 Replacement
Motor M1 Assembly Replacement
Bxbx
Do not damage Heatsink
Auxiliary Transformer T3 Assembly Replacement
Plasma or Secondary Gas Input Fitting Replacement
Pressure Gauge Replacement
Coolant Pressure Gauge Replacement
Pressure Switch Replacement
Switching Control PC Board Assembly Replacement
Fuse F1 and F2 Replacement
Plasma or Secondary Regulator Assembly Replacement
Control Logic PC Board Assembly Replacement
Diodes can overheat if not properly installed
Main Heatsink Assembly Parts Replacement
Secondary Gas Check Valve Replacement
Amp STR. Diode Replacement
Relay Replacement
Amp REV Diode Replacement
Amp STR Diode Replacement
Hose Assembly Replacements
Drain the coolant from the Coolant Tank per Sec- tion 4.02-F
Replacement Procedures
Replacement Procedures
Returns
Section Parts Lists
Parts List Breakdown
Ordering Information
Item # Qty Description Catalog #
External Power Supply Replacement Parts List
Access Panel Replacement Parts
Front Panel/Chassis Replacement Parts
01217
Rear Panel Replacement Parts
1323
Base Assembly Replacement Parts
00894
Upper Chassis Replacement Parts
01226
Main Heatsink Assembly Replacement Parts
00971
Power Supply Options And Accessories
01218
Parts Lists
Lts
Appendix I Input Wiring Requirements
Action
Appendix II Sequence of Operation Block Diagram
System With Standoff Control SC11 And Gas Control GC3000
Appendix III Typical Mechanized System Cable Connections
Remote Cables
Appendix V CNC Interface
Appendix VI 120 VAC Circuit Diagram
Appendix VII Ladder Diagram 15 VDC
Appendix Viii Signal Flow Block Diagram
Appendix IX Start Circuit Diargram
Appendix X Current Control / Display Circuit Diagram
Appendix XI CSD Corner Slowdown Circuit Diagram
OK OUT
Appendix XII OK-TO-MOVE Circuit Diagram
Block
Xiii Hose
Appendix XIV System Schematic
Appendix
Twelve Months or Every 1500 Arc Hours
Daily Operational Checks or Every Six Arc Hours
Weekly or Every 30 Arc Hours
Six Months or Every 720 Arc Hours
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