Thermal Comfort
3000
manual
Appendix XI CSD Corner Slowdown Circuit Diagram
Troubleshooting
Parts list
Appendix XIV System Schematic
Temp indicator on red
Warranty
Options And Accessories
Test Procedures
Pilot Resistor Adjustment
Remote Control
How to
Page 81
APPENDIX XI: CSD (CORNER SLOWDOWN) CIRCUIT
DIAGRAM
A-01140
Manual
0-2533
77
APPENDIX
Page 80
Page 82
Image 81
Page 80
Page 82
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
Service Responsibilities
General Service Philosophy
Section Introduction
Scope Of Manual
Introduction
Specifications & Design Features
Section Introduction Description
General Description
Theory Of Operation
Input and Output Power
Plasma Arc Cutting and Gouging
Pilot Arc
Options And Accessories
Plasma/Secondary Gas Control
Hour/Counter Meters
Section Service Troubleshooting Diagnostics
Periodic Inspection & Procedures
Introduction
Coolant Level and Conductivity
System Theory
Draining Coolant
Circuit Description
Switching Control PC Board
Switch-Mode Power Supply Operation
Remote Control
Logic PC Board Functions
Troubleshooting and Repair
Troubleshooting Guide
Advanced Troubleshooting
Standoff Control
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
Pressure Sensing Circuit
Thermal Sensing Circuit Check
Gas Solenoid Circuits
Coolant Flow Sensor Circuit Check
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
Tip Drag Circuit
Current Control, Display and CSD checks
Front Panel Current Control
Remote 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
Anti-Static Handling Procedures
Section Repairs & Replacement Procedures
Parts Replacement General Information
Procedure
Handle Replacement
External Parts Replacement
Left/Right Side Panel Replacement
Top Panel Replacement
Front Panel/Chassis Parts Replacement
Access Panel Parts Replacement
Rear Panel Parts Replacement
Voltage Selection PC Board Replacement
Three-Phase Contactor Replacement
Gas Solenoid Assembly Replacement
Secondary Water Solenoid Valve Assembly Replacement
Coolant Tank Replacement
Flow Switch Assembly Replacement
Conductivity Sensor Assembly Replacement
Secondary Water Check Valve Replacement
Base Assembly Parts Replacement
DC Inductor L2 Assembly Replacement
29KVA Transformer T1 Assembly Replacement
Main Contactor W1 or W2 Replacement
Upper Chassis Parts Replacement
Motor M1 Assembly Replacement
Pump Assembly Replacement
Bxbx
Do not damage Heatsink
Auxiliary Transformer T3 Assembly Replacement
Coolant Pressure Gauge Replacement
Pressure Gauge Replacement
Pressure Switch Replacement
Plasma or Secondary Gas Input Fitting Replacement
Plasma or Secondary Regulator Assembly Replacement
Fuse F1 and F2 Replacement
Control Logic PC Board Assembly Replacement
Switching Control PC Board Assembly Replacement
Secondary Gas Check Valve Replacement
Main Heatsink Assembly Parts Replacement
Amp STR. Diode Replacement
Diodes can overheat if not properly installed
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
Parts List Breakdown
Section Parts Lists
Ordering Information
Returns
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
Weekly or Every 30 Arc Hours
Daily Operational Checks or Every Six Arc Hours
Six Months or Every 720 Arc Hours
Twelve Months or Every 1500 Arc Hours
Top
Page
Image
Contents